IndraLab

Statements


| 1585

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"HET-CAM."

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"While both formulations showed good biocompatibility in the hen’s egg test on chorioallantoic membrane (HET-CAM), they substantially affected the three-dimensional U87 xenografts on the CAM, emphasized by PET/CT imaging and histological analysis. xref , xref "

sparser
"The 3Rs principle based on replacement, reduction, and refinement was derived from this directive and set the focus on the use of alternative methods. xref As early as 1985, HET-CAM contributed to the 3Rs principle and is now acknowledged as an alternative test option to the Draize test. xref It can be used to investigate the potential for irritation and the biocompatibility of a formulation."

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"On EDD 9, HET-CAM was performed by applying 300 μL of each formulation (5 mg/mL) and monitoring the CAM over 5 min."

sparser
"The applied concentrations of PS in the HET-CAM were much higher than the phototoxic ones in vitro (see xref )."

sparser
"As expected from the HET-CAM results, visible responses could not be identified directly after application."

sparser
"The HET-CAM assay, which stands for the Hen’s Egg Test on Chorioallantoic Membrane, is a valuable assay for evaluating the effects of hydrogel formulations."

sparser
"The HET-CAM assay is also known for its speed and simplicity, making it a feasible alternative for evaluating potential irritant properties of formulations [ xref ]."

sparser
"HCEC test confers corneal biocompatibility while the HET-CAM relates to conjunctival (and vascular in general) effects."

sparser
"Further, it was observed that the complexation aided in the improved ex vivo retention and permeation, while the complexes were biocompatible as confirmed by the MTT and HET-CAM assay."

sparser
"According to the protocol of The Interagency Coordinating Committee on the Validation of Alternative Methods [ 58 ], the Hen's Egg Test (HET-CAM) was used to evaluate the vaginal irritant potential of[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Moreover, it was performed via an embryotoxicity test, using an in ovo HET-CAM assay (hen’s eggs chorioallantoic membrane test) to understand the possible consequences of the potential use of the prepared hydrogel as well as special aspects of systemic toxicity."

sparser
"To complete the safety profile of carbomer-based hydrogel formulations containing caffeine and phosphorus derivatives, the evaluation of the in ovo anti-irritant effect was performed using the HET-CAM assay."

sparser
"The HET-CAM (Hen’s Egg Test on the Chorioallantoic Membrane) method was utilized to assess any vascular changes induced by the hydrogels, such as hemorrhage, coagulation, or lysis."

sparser
"By utilizing the HET-CAM assay, researchers can efficiently assess the cytocompatibility and potential irritant properties of hydrogel formulations, providing valuable insights into their safety and efficacy for various applications."

sparser
"The HET-CAM test evaluated the irritant effects of the samples on CAM blood vessels."

sparser
"The HET-CAM assay showed that the extracts did not cause any irritation compared to the used positive control."

sparser
"In the HET-CAM assay, an alternative to the Draize test conducted on rabbits' eyes, the formulations did not cause any vascular phenomena indicative of irritancy."

sparser
"Therefore, we studied the angioirritation of the SF scaffolds by the HET-CAM assay."

sparser
"Although the biocompatibility of SF has long been proved, we showed the angiocompatibility of SF scaffolds for the first time using the HET-CAM assay."

sparser
"The same two extracts did not show signs of irritation in the HET-CAM model."

sparser
"The HET-CAM assay revealed no angioirritative effect of the SF scaffolds."

sparser
"In addition, all H. coronarium extracts were safe since they induced no irritation sign in the HET-CAM test."

sparser
"The irritation of the BN-BSog was evaluated by using an in vitro HET-CAM test, which is an alternative to the skin irritation test."

sparser
"Hemolytic and HET-CAM tests confirmed TG RVT LM's safety for use."

sparser
"The use of the HET-CAM test to evaluate the irritability of plant extracts as sources for substances through topical application was been already described [ xref ]."

sparser
"We observed that all tested concentrations in HET-CAM for both yellow and red araçá extracts had no negative effect on the vascularization of the chorioallantoic membrane, with all considered non-irritating ( xref )."

sparser
"In addition to safety for ocular applications, evaluation via HET-CAM is also related to the irritant potential in other epitheliums, which can be correlated to the mucous/substrates, such as the vaginal epithelium, demonstrating that its application through different routes of administration are favored [ xref ]."

sparser
"HET-CAM study illustrates that the NPs are secure, nonirritating, and well tolerated for periodontal disease."

sparser
"After accelerated physical stability and bovine conrneal permeation studies, NE2 was chosen as optimized formulation forantimicrobial efficacy, and hen's egg test-chorioallantoic membrane (HET-CAM) tests."

sparser
"HET-CAM test indicated no irritation, and HL% revealed no damage to the tissue, so the optimum NE is well tolerated by the eye."

sparser
"HET-CAM assay is a good model of choice to study ocular irritation study."

sparser
"In vitro drug release studies were performed in simulated nasal electrolyte solution (SNES) maintaining constant pH of 5.5 at 37°C. Irritation by CNF was evaluated using hen’s egg test chorioallantoic membrane (HET-CAM) assay."

sparser
"Formulation was found to be non-irritant in HET-CAM assay."

sparser
"Evaluation of CNF Irritancy Potential on HET-CAM."

sparser
"The safety and non-irritant potential of CNF as a nasal delivery was confirmed in in vitro HET-CAM analysis."

sparser
"The ICCVAM-recommended hen’s egg test-chorioallantoic membrane (HET-CAM) method protocol 23 was followed, as previously described."

sparser
"Preliminary evaluation of the biocompatibility of polymyxin B-loaded hydrogels was carried out using the HET-CAM assay, which has been proposed as an alternative method of Draize eye irritation test b[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"HET-CAM assay and hemocompatibility confirmed non-irritancy."

sparser
"Furthermore, according to the HET-CAM and reconstructed human epidermis assays, the nanoformulation was well tolerated."

sparser
"No ocular irritancy was detected by the HET-CAM test."

sparser
"The irritation profile of the extracts was evaluated by the hen’s egg test-chorioallantoic membrane (HET-CAM) test."

sparser
"Besides, the extract was safe since it induced no irritation in the HET-CAM test."

sparser
"The HETCAM test, which was suitable in vitro tests widely used in international cosmetics industries during the last decade xref , was used to investigated the irritation effect of M. integrifolia pericarp extracts in the present study."

sparser
"A negative control (0.9% NaCl) and a solvent control (aqueous 0.5% DMSO solution) were run according to the recommendations of the Interagency Coordinating Committee on the Validation of Alternative M[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"HET-CAM assessment is a well-established in-vitro parameter for determination of ocular tolerability of the test sample, xref and scores are depicted in xref ."

sparser
"The score of HET-CAM for GTM-CHNPopt sol-gel (NSG5) confirmed that it is safe for ocular administration."

sparser
"Results similar to those presented were obtained by xref , where the HET-CAM test showed no signs of hemorrhage, coagulation, or lysis for the loaded limonene nanoemulgel (levofloxacin-loaded limonene-based nanoemulsion)."

sparser
"Several studies demonstrate that both limonene and citrus EO, when diluted in low concentrations, present no signs of irritation in HET-CAM."

sparser
"The toxicity profile and cell death mechanism were evaluated in keratinocytes and fibroblasts, the irritability through the hen's egg test on the chorioallantoic membrane (HET-CAM), and the mutagenicity by Salmonella/microsome test."

sparser
"HET-CAM study: the MET-GTE-loaded NPs were tested for the HET-CAM study."

sparser
"NTX-loaded hydrogels were highly cytocompatible with human mesenchymal stem cells (hMSC) and passed the HET-CAM test."

sparser
"In addition, HET-CAM study supported these findings, showing that the optimized MET-GTE-NPs, with optimal drug loading, induced minimal irritation and were well tolerated, as reflected by a low mean IS."

sparser
"The HET-CAM assay confirmed the formulation’s non-irritant nature."

sparser
"The cytotoxicity analysis of EOs and d -limonene was carried out with MRC-5 and HaCaT, and the preliminary safety profile was also evaluated by the HET-CAM assay."

sparser
"Preliminary safety profile results by the HET-CAM assay are shown in xref and representative images of the chorioallantoic membrane are shown in xref ."

sparser
"The low cytotoxicity of d -limonene and citrus OEs was confirmed in vitro by analysis in MRC-5 and HaCaT cells, and the dilution of these presented no signs of irritation in HET-CAM analysis."

sparser
"The HET-CAM assay showed that extracts were non-irritating at concentrations up to 25 μg/mL of coumarins, but the CO 2 supercritical extract was highly irritating at 100 μg/mL."

sparser
"The current study investigated the irritation potency of each cricket oil using hen’s egg-chorioallantoic membrane (HET-CAM) tests."

sparser
"The HET-CAM test serves as a possible model for conjunctival irritation testing, as it responds to irritant substances with an inflammatory reaction similar to that produced by conjunctival tissue ( A[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Although originally being intended as an alternative method for assessing eye irritancy [ xref ], the HET-CAM test has also been equivalent to direct experiments on human skin."

sparser
"Combined isolated enucleated eyes and HET-CAM tests were previously developed."

sparser
"Fig. 2 shows the cumulative HET-CAM scores for the controls, NTX solution (40 mg/ml) in PBS, the test substances used in fabricating the niosomal formulations and the prepared niosomes."

sparser
"Hen’s Egg Test on the Chorioallantoic Membrane (HET-CAM)."

sparser
"Fresh, white, fertile Lohmann eggs (Lohmann selected Leghorn, LSL) were used in the HET-CAM test."

sparser
"Effect of Compounds 4 and 6 on Normal and Tumor Angiogenesis Process by CAM Assay and Irritation Potential Determination Using the HET-CAM Assay."
| PMC

sparser
"The toxicity of the compounds was investigated by means of HET-CAM assay ( xref ), which is a reliable Ex vivo test used to mimic in vivo inflammatory reactions and recognized as a predictive model for the irritant effect on conjunctival tissues [ xref ]."
| PMC

sparser
"Hen’s Egg Test Chorioallantoic Membrane (HET-CAM) ."

sparser
"The HET-CAM assay showed that the emulsions containing FLZ and those without the antifungal did not present an irritability profile (score < 4.9)."

sparser
"Replacing animal testing, the following ex vivo and in vitro assays were carried out: the bovine corneal opacity and permeability (BCOP) assay, the HET-CAM test (hen’s egg test – chorioallantoic membr[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Further analyzed the synthesized hydrogel beads using Fourier transform infrared spectroscopy, sol-gel analysis, scanning electron microscope, thermogravimetric analysis, swelling studies, drug loading assessment, in vitro drug release testing, kinetic modelling, HET-CAM toxicity evolution and in vivo pharmacokinetics study."

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"HET-CAM irritation test."

sparser
"The safety profile of the SA/Aa hydrogel beads was tested by using the (HET-CAM) of Hen's Egg, as illustrated in xref ."

sparser
"The results of the HET-CAM assay demonstrated that the beads are safe, as no signs of irritation or vascular damage were detected, indicating their suitability and safety for the oral administration of ketorolac tromethamine."

sparser
"The safety of the application was evaluated using the HET-CAM assay, a method recommended by the National Institutes of Health."

sparser
"A modified HET-CAM assay approach to the assessment of anti-irritant properties of plant extracts."

sparser
"In conclusion, our study demonstrated that the derivative exhibited no irritant potential, as assessed by the HET-CAM assay, indicating its suitability for therapeutic use in these contexts."

sparser
"The most promising compound was further tested using in ovo tumor model via the HET-CAM (Hen’s Egg Test-Chorioallantoïc Membrane) assay."

sparser
"The predictive value of the HET-CAM assay is similar to the human skin test [ xref ], with results comparable to the rabbit eye test (Draize test) and with a good correlation with potential skin irritation [ xref ]."

sparser
"The HET-CAM assay revealed the biocompatibility of the tested compounds with mucosal tissues, thus making them safe for the purpose of therapeutic applications."
| PMC

sparser
"Finally, it is worth noting that all emulsions showed weak irritant potential in the HET-CAM assay."

sparser
"The one-way ANOVA was used to evaluate the differences between groups in the HET-CAM assay followed by the Tukey test, with a threshold of p < 0.05 for significant results."

sparser
"In addition, the HET-CAM test is a methodology with high specificity allowing the visualization of non-irritating samples in a fast-response in vivo technique [ xref ]."

sparser
"The toxicity of the hydrogel beads was evaluated using the Hen's Egg Test on Chorioallantoic Membrane (HET-CAM), which revealed no signs of irritation or toxicity."

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"Hen’s Egg Test Chorioallantoic Membrane (HET-CAM) Assay Results."

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"Four alternative methods using animal tissues, viz., the bovine corneal opacity and permeability (BCOP) test, the isolated chicken eye (ICE) test, the isolated rabbit eye (IRE) test, and the hen's egg[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"In the present study, we aim to repurpose the HET-CAM and SkinEthic™ models to further classify in vivo nonirritant baby cleansing formulations into mild and less mild categories."

sparser
"For the HET-CAM, the medians of mean irritation scores (IS) were 3.0 for mild formulations (with 0 ≤ mean IS ≤4.5), and 5.0 for less mild formulations (with mean IS values all equaled 5), respectively."

sparser
"Thirty out of 35 formulations were predicted consistently between the HET-CAM and SkinEthic™ model."

sparser
"We conclude that the HET-CAM and SkinEthic™ models are promising in vitro alternatives for screening mild formulations."

sparser
"Histopathological analysis revealed no irritation, while safety tests in HET-CAM and RBC models supported its clinical applicability for retinal degeneration diseases like AMD."

sparser
"27 HET-CAM is an effective method to evaluate ocular safety instead of rabbit eye stimulation."

sparser
"Moreover, another research demonstrated that G. japonica leaves displayed remarkable anti-inflammatory effects in hen's egg test-chorioallantoic membrane (HET-CAM) assay in vivo ( Seow et al., 2014b )[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The HET-CAM assay confirmed the safety, while confocal laser scanning microscopy demonstrated deeper skin permeation of SLZ."

sparser
"SLZ-NS hydrogels were evaluated for irritation behavior in a comparison with SLZ-HG employing the Hen’s Egg Test Chorioallantoic Membrane (HET-CAM) study."

sparser
"Additionally, the HET-CAM assay indicated no evidence of coagulation, hemorrhage, or vascular disintegration."

sparser
"The HET-CAM assay advocated SLZ nanogel safety (IRSc: 0.86 ± 0.15, non-irritant) over pure SLZ gel (IRSc: 5.44 ± 0.56, moderate irritant)."

sparser
"We put in experimental parameters such as the intensity ratio of 1 O 2 and PS phosphorescence at 1270 nm, the triplet decay time of pyropheophorbide-a (pP) in oxygen-free micellar suspensions (around 415 µs), the 1 O 2 kinetics in blood (as determined in a HET-CAM [ xref ] model) and drug concentration both in the tumor and in plasma as well as published parameters for oxygen solubility and diffusion in different types of tissue [ xref , xref ]."

sparser
"HET-CAM test exposed that this nanoformulation is nonirritant and therefore could be well-tolerated when used in the eye."

sparser
"MS Samimi et al, evaluated the irritation possibility and toxicity of fluconazole nanoemulsion in-situ gel formulation on retinal cells using HET-CAM, MTT, and Draize analyzes."

sparser
"Draize and HET-CAM assays exposed that fluconazole optimized formulation caused no irritation and was regarded as well-tolerated and non-irritant for ophthalmic use [ xref ]."

sparser
"The Hen’s Egg Test on the Chorioallantoic Membrane (HET-CAM) assay is a widely accepted in ovo method for assessing irritation potential, particularly for ophthalmic and dermatological formulations, serving as a reliable tool to balance therapeutic efficacy and biocompatibility of active compounds, enhancing the selection of promising compounds for further pharmaceutical development [ xref ]."

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"Irritative Potential in Ovo, Using the HET-CAM Assay."

sparser
"No sign of coagulation, hemorrhage, or vascular disintegration was registered during the evaluation of all derivatives at the highest tested concentration of 75 μM. The irritation score (IS) for each sample was calculated using the standard HET-CAM protocol equation [ xref ]."

sparser
"For evaluating the ocular tolerability of the developed formulation, modified hen’s egg chorioallantoic membrane (HET-CAM) test was carried out."

sparser
"Table 3 summarizes the results of the three ocular tolerance assays performed: the bovine corneal opacity and permeability (BCOP) assay, the HET-CAM test (hen’s egg test – chorioallantoic membrane), a[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Indeed, all three optimal formulations (either blank or SUN-loaded) did not present potential for eye irritation, as per the BCOP, HET-CAM, and HP assays ( Table 3 )."

sparser
"None of the formulations with optimal size, polydispersity index, drug load, and encapsulation efficiency, exhibited toxicity or potential for ocular irritation, as per the results of the BCOP, HET-CA[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"They were also non-irritant according to HET-CAM tests."

sparser
"Thus, the alternative ‘hens egg chorioallantoic membrane test’ (HET-CAM) was used for assessing the novel RD-SOM developed in this study for potential ocular irritation which has been used previously [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"HET-CAM also confirmed that the final formulation has no toxicity and is safe to administer."

sparser
"The in vitro HETCAM toxicity test showed that samples were non-irritant, similar to PDMS produced from D4."

sparser
"The Hen’s Egg Chorioallantoic Membrane (HETCAM) method can be used to evaluate acute and chronic inflammatory responses to biomaterials [ xref , xref ]."

sparser
"HETCAM is a test designed to examine macroscopic changes in the Chorioallantoic Membrane (CAM), such as changes in the blood vessel width, hyperemia, lysis, and coagulation [ xref ]."

sparser
"An in vitro preclinical test of HETCAM toxicity was also carried out on the synthesized PDMS."

sparser
"The micro-image of the blood vessels in the HETCAM test from 0 s and 300 s observations are shown in xref ."

sparser
"Therefore, it can be concluded that the synthesized PDMS samples were non-toxic through the in vitro HETCAM toxicity test."

sparser
"The HETCAM toxicity test method has been reported to have a good correlation (76%) with in vivo test results (Draize test) and has also been accepted as a full replacement for severe irritation tests on animals in several European countries [ xref ]."

sparser
"The non-toxic HETCAM test results indicated that the synthesized PDMS did not contain any harmful materials, the same as PDMS from the D4 monomer [ xref ]."

sparser
"Moreover, both types of medium- and high-viscosity PDMS samples were non-toxic, as determined through in vitro HETCAM toxicity tests."

sparser
"For the superior formulations, a HET-CAM test (chorioallantoic membrane test) was performed to determine the absence of irritant effects."

sparser
"The HET-CAM test utilized served as an alternative to the use of mammalian tissue and application of the highly controversial and harmful Draize-irritancy test performed on live animals to determine t[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Furthermore, taking into account the direct contact of CHX with both the cutaneous surface and the mucosa of the oral cavity during clinical use, the potential in ovo irritant property of CHX was also determined using the Hen’s Egg-Chorioallantoic Membrane (HET-CAM) test due to its wide application in the assessment of the irritant effects on mucous membranes, and its correlation with the results of dermal irritation tests [ xref , xref ]."

sparser
"The potential irritant effect of CHX at two high concentrations (0.02% and 0.2%) was examined in ovo by means of the HET-CAM assay ( xref and xref )."

sparser
"The HET-CAM method serves numerous applications in studies involving angiogenesis, inflammation, tissue engineering, drug delivery, and irritation assessment, addressing the potential mucosal use and local toxic reactions caused by a wide range of formulations [ xref ]."

sparser
"No negative effects were noticed and this served to confirm the results from the HET-CAM test."

sparser
"Ocular toxicity studies via the HET-CAM test and histopathological studies proved to be efficient for evaluation of samples and determined that the RD-SOM was non-toxic and thus considered safe for to[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Blending and irritation time of embryonated eggs were done by HET-CAM assay."

sparser
"In HET-CAM test the extract presented a CC 50  = 34.3 μg/mL, with onset of bleeding in eggs."

sparser
"To assess the skin safety of fabricated lipidic formulation, irritation potential was performed employing the HET-CAM technique."

sparser
"In the future, essential oils can be subjected to the HET-CAM assay to assess the biocompatibility of the compounds, thereby expanding future prospects for the safe and effective use of these products in various applications."

sparser
"Contrarily, CHX loaded disks presented a strong antibacterial action, but were cytotoxic and induced a slight irritation reaction in the HET-CAM test."

sparser
"The PHMB loaded hydrogel presented bacterial growth inhibition capacity for both strains studied, no irritation signs in the HET-CAM test and no toxic effect on the tested cell line."

sparser
"The Hen's egg‐Chorioallantoic Membrane (HETCAM) test was applied to assess the ocular tolerability and irritation potential of the BM/BX SDNs."

sparser
"HETCAM test, a sensitive, rapid, and cost‐effective method using incubated eggs, represents an efficient approach for detection of ocular corrosives and irritants. [ xref ] The HETCAM assay demonstrated that the BM/BX SDNs exhibited no signs of irritation upon applied to the CAM, indicating their non‐irritant properties."

sparser
"Irritation Assessment of SDNs by the HETCAM Assay."

sparser
"The HETCAM assay was a sensitive in vitro assay that uses fertilized hen eggs."

sparser
"The HETCAM irritation score and Irritation category of the SDNs were calculated and classified based on Protocol No."

sparser
"96: ″ Hen's Egg Test on the Chorioallantoic Membrane (HETCAM) provided by EURL ECVAM dataset on alternative methods to animal experimentation (DB‐ALM) guidelines. [ xref ] Accordingly, the time noted in seconds were applied to the predictive model formula to calculated the irritation score (IS) = (301 – H)*5/300 + (301 – L)*7/300 + (301 – C)*9/300."

sparser
"HET-CAM assay revealed non-irritant nature of the developed formulation ( Pereira et al., 2016 )."

sparser
"Ocular irritation assays (HET-CAM and BCOP) were carried out to ensure their safety."

sparser
"Bovine Corneal Opacity and Permeability Assay (BCOP) and Heńs Egg Test Chorioallantoic Membrane (HET-CAM) were selected as alternatives to the Draïze Test ( Wilhelmus, 2001 ), where albino rabbits are[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"BCOP and HET-CAM were used to assess the potential irritation on the ocular surface of the components of all formulations."

sparser
"According to HET-CAM results, VFEND®, VFEND®HAH, VZS, VZHAH and VZISH 0.65, formulations have been classified as non-irritants since no hemorrhage, vascular lysis and/or coagulation phenomena were obs[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Moreover, ocular toxicity studies have proven the safety of these hydrogels on the ocular surface through the BCOP and HET-CAM tests."

sparser
"The HET-CAM test was appropriate in this study to demonstrate the EHMC-pEDGMA microgel’s non-irritating characteristics and safety."

sparser
"Due to the HET-CAM test’s lack of a dissolution limit and the membrane’s obvious reactions, it was possible to determine the material’s direct irritating and hazardous state."

sparser
"Ocular tolerance of MEL by HET-CAM assay."

sparser
"In HET-CAM assay, the potential of ocular irritation of a substance is assessed by detecting signs as hemorrhage, lysis and, coagulation on the CAM."

sparser
"The favorable zero-order kinetics that prolonged capsaicin release and the significantly faster transdermal penetration of the NLC attributed to the reduction in skin irritation of the concentrated capsaicin NLCs, as illustrated by the in vitro EpiDerm TM three-dimensional human skin irritation test and hen’s egg test chorioallantoic membrane assay (HET-CAM)."

sparser
"Irritation tests of the chili extract-loaded lipid-based nanoparticle and the gel formulation containing the chili extract-loaded lipid nanocarrier were performed using the hen’s egg test chorioallantoic membrane (HET-CAM) assay and the in vitro skin irritation EpiDerm TM test model, respectively."

sparser
"HET-CAM study results demonstrated that both the hydrogels were nonirritant and safe for ocular."

sparser
"On the other hand, the HET-CAM assay provided a potential alternative for in vivo ocular irritation studies."

sparser
"The histological findings align with the results of the in ovo HET-CAM assay, which showed that OEO-PbH did not induce any irritation or hemorrhage on the CAM, indicating a high degree of biocompatibility."

sparser
"The results of the HET-CAM assay indicate the non-irritant nature of the developed formulations, thus making them suitable for ocular applications."

sparser
"Irritation Assay (HET-CAM)."

sparser
"Additionally, 2, 2diphenyl-1-picrylhydrazyl (DPPH) and hen's egg-chorioallantoic membrane test (HET-CAM) assays were done to measure the anti-oxidant and ocular irritation potential of the formulated CPZ gel."

sparser
"In a formulation containing 10 mg/mL Soluplus and 25 mg/mL poloxamer 407, the HET-CAM assay showed no signs of irritation [ xref ]."

sparser
"These results were corroborated by the HET-CAM assay, since no hemorrhage, clotting, vascular lysis, or vessel bleeding were observed when VD 3 S-PEG 600 and PTX+VD 3 S-PEG 600 micelles contacted the CAM ( xref ), with similar results to those observed for the negative control (0.9 % NaCl)."

sparser
"O. vulgare oil microemulsions were investigated for the irritation using HET-CAM test which was a potential method to investigate the irritation of compounds by observing the adverse changes that occu[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Since irritation is a big concern of applying essential oils and microemulsions on the skin ( Perry and Perry, 2006 ), microemulsions were investigated for their irritation properties in a comparison [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"These results could be used to confirm that HET-CAM assay was suitable for the prediction of irritation since no irritation was detected in the negative control and on the contrary severe irritation w[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"HET-CAM test has been widely used as an alternative method of the Draize rabbit eye test to determine the eye irritation potential of interested compounds and formulations in order to minimize the use[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The HET-CAM test results showed that all samples did not show signs of irritation indicating that samples were non-toxic."

sparser
"One of them is the chicken egg chorioallantoic membrane (CAM) developed to detect a chemical test called the Hen’s Egg Test Chorioallantoic Membrane (HET-CAM) assay [ xref ]."

sparser
"However, the results from HET-CAM test could cause false-positive responses i.e. the CAM is overly sensitive to the test materials compared to the in vivo eye response and of course the clinical skin [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The existence of the HET-CAM test can be an initial test for eye irritation tests so that the use of animals in toxicological tests can be reduced [ xref ]."

sparser
"HET-CAM assay was performed using fertile broiler chicken eggs, according to ICCVAM (Recommended Test Method Protocol: HET-CAM Test Method) ( ICCVAM, 2010 )."

sparser
"Previous studies have reported a good correlation between in vitro tests with HET-CAM and in vivo tests with the Draize method."

sparser
"Recently, NE loaded P. emarginatus essential oil demonstrated high kinetic stability and was non-irritating, estimated by HET-CAM [ xref ]."

sparser
"The HET-CAM test has advantages over other tests due to its speed, simplicity, convenience, and relatively low cost [ xref ]."

sparser
"We also reported for the first time the in vitro toxicity test of these PDMS samples using the HET-CAM test method to obtain information safety and toxicity level of all PDMS samples."

sparser
"Micro images of a blood vessel in the HET-CAM test are shown in xref ."

sparser
"Irritant effects of G. bimaculatus oil on the vital vascular membrane using the HET-CAM test, an alternative to the Draize eye irritation test, xref are shown in xref ."

sparser
"The results from both positive and negative controls can be used to verify the validity of the HET-CAM method."

sparser
"Based on interlaboratory validity, which was conducted by Hagino in 1999, the HET-CAM method can provide an alternative method to evaluate potential irritation of chemicals to the eye."

sparser
"Previous studies showed that HET-CAM and in vivo eye irritation tests have a good correlation [ xref ]."

sparser
"Compared with other alternative tests, the HET-CAM test has some good points, such as could be carried out for all types of chemical substance (liquid or powder), applied with the similar condition of in vivo test, easy to access for research, not expensive, not need complicated animal room facility, and simple method [ xref , xref ]."

sparser
"The oil demonstrated promising cosmeceutical properties in terms of antioxidant, anti-tyrosinase, and anti-skin ageing activity, while causing no irritation in the in vitro HET-CAM test and cytotoxicity tests in HaCaT and Hs68 cells."

sparser
"However, the HET-CAM test is not suitable for red-pigmented samples."

sparser
"The potential ocular irritancy of βCD, polyCTR-βCD, MCZ/βCD, and MCZ/polyCTR-βCD solutions were evaluated using the HET-CAM assay, an alternative to the Draize test ( McKenzie et al., 2015; Yun et al.[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"To maintain objectivity in the evaluation process of potential eye irritation, the HET-CAM test requires the use of a reference substance."

sparser
"Additionally, the HET-CAM study affirmed the non-irritating and biocompatible nature, indicating their viability for ocular use."

sparser
"In addition, the HET-CAM test also needs an experienced investigator [ xref ]."

sparser
"DRZ-SLNs also showed a 2.87-fold increase in transcorneal permeation compared to DRZ solution, with non-irritant and safe properties confirmed by HET-CAM and histopathology studies."

sparser
"Samples were non-irritant through the HET-CAM test."

sparser
"Based on HET-CAM test evaluation, negative control (NaCl 0.9%) was non-irritant, positive control (1% SDS) was a strong irritant, and all PDMS samples get zero (0) score that indicated as non-irritant substances."

sparser
"The HET-CAM assay is an in vivo semiquantitative test to evaluate the anti-inflammatory potential and anti-irritant properties, as well as the ocular toxicity of compounds/formulations."

sparser
"The HET-CAM assay is sensitive to evaluating agents and is well established for screening their ability to reduce inflammation [ xref , xref ]."

sparser
"These results associated with the result of HET-CAM assay indicate that this compound can be considered safe due to its low toxicity."

sparser
"Further, histopathology and HET-CAM studies revealed that the developed gel was nonirritating and safe for ocular administration."

sparser
"Microencapsulation by spray-drying reduced the volatility, with a prolonged release up to 16 weeks, and decreased the irritation potential of nonencapsulated citronella oil, as evaluated by the nonanimal hen’s egg test-chorioallantoic membrane (HET-CAM) assay [ xref ]."

sparser
"Ocular Irritancy Test (HET-CAM)."

sparser
"The Hen’s Egg Test-Chorioallantoic Membrane (HET-CAM) test is based on the detection of vascular damage in the chorioallantoic membrane, which is an analog for ocular conjunctiva [ xref ]."

sparser
"The biocompatibility of this platform was tested by the HET-CAM assay, and ex vivo studies confirmed its ocular potential."

sparser
"HET-CAM has been described as one of the most suitable alternatives to test eye irritation in vitro since it was found to have good correlation with the Draize test [ xref ]."

sparser
"The HET-CAM assay confirmed that the formulations were not irritants as negative controls (IS = 0) ( xref ); the IS for the positive control was around 17."

sparser
"All suspensions were found to be nonirritating and biocompatible after HET-CAM assay and in vitro cell viability assay in murine fibroblasts."

sparser
"The HET-CAM and mouse eye tolerance test confirmed that 0.5% CYT eye drops demonstrated good safety characteristics."

sparser
"The results from the Hen’s Egg Test Chorioallantoic Membrane (HET-CAM) and Bovine Corneal Opacity and Permeability (BCOP) tests indicated good conjunctival and corneal biocompatibility of the formulated chitosan nanoparticles, respectively."

sparser
"For this purpose, the hen’s egg test chorioallantoic membrane (HET-CAM), bovine corneal opacity, and permeability (BCOP) test were used."

sparser
"As the HET-CAM test responds to irritant compounds with an inflammatory reaction similar to that produced by conjunctival tissue, it can be used as an acceptable model for conjunctival irritation testing [ xref ]."

sparser
"Thus, this study proposed to apply two strategies for the prediction of the eye irritation potential of different concentrations of surfactants and silicones, the first one involving evaluation Hen's Egg Test - Chorioallantoic Membrane (HET-CAM), and the other one using Bovine Corneal Opacity and Permeability (BCOP) followed by histopathological."

sparser
"HET-CAM was considered important in assessing the ocular irritation potential and, despite classifying almost all surfactants as &quot;severe irritants&quot;, it could discriminate moderate and slight irritant SLES concentrations as well as Cocoamidopropyl Betaine as a severe irritant, when the coagulation score was taken into consideration."

sparser
"X-MC and X-MCBCf aerogels were also evaluated through several in vitro (cell compatibility, hemolytic activity), in ovo (Hen’s Egg Test on the Chorioallantoic Membrane (HET-CAM)) and preliminary in vivo ( Artemia salina model) tests to ensure their standards and safety to sustain in vivo performance."

sparser
"The biological evaluation of polyurea-cross-linked 3D-printed cellulose aerogels was carried out following well-stablished protocols for the characterization of aerogels regarding their cytocompatibility, hemolytic activity, HET-CAM, and preliminary safety tests. xref , xref , xref "

sparser
"Hen’s Egg Test on the Chorioallantoic Membrane (HET-CAM) Test."

sparser
"The battery of selected methods comprised regulatory accepted EpiDerm™ skin model (OECD TG 439); EpiOcular™ corneal model (OECD TG 492) and scientifically valid test method HET-CAM (DB-ALM Protocol No."

sparser
"The HET-CAM assay is beneficial for assessing the irritation effect of test substances on ophthalmic tissues such as the conjunctiva [ xref ]."

sparser
"The HET-CAM assay measures the capacity of a test substance to harm blood vessels and provoke adverse effects like hyperemia, hemorrhage, and clotting/coagulation [ xref ]."

sparser
"The findings of the HET-CAM test were well associated with the test substances’ assessments for corneal opacity and fluorescein permeability."

sparser
"The HET-CAM and BCOP results were found to agree with the findings on corneal erosion and stromal thickness."

sparser
"For the irritation assay, the HET-CAM method was used for the safety assessment."

sparser
"To ensure safety, the prepared MN matrix was tested using the HET-CAM method; a fast, sensitive, and cost-effective test."

sparser
"One interesting approach in this respect is using chick embryo and chorioallantoic membrane (CAM) studies, which have been known since the replacement of the Draize test by the HET-CAM model [ xref ]."

sparser
"The discussed data comprise in vivo measurements in tumor-laden HET-CAM and mice."

sparser
"Liposomes elaborated with phosphatidylcholine (LP PC) or phosphatidylcholine and spermine (LP PC: SPM) were stable under storage at 6 ºC for 30 days, showed mucoadhesive characteristics, and were non-irritant, according to HET-CAM tests."

sparser
"Ocular tolerance test (HET-CAM)."

sparser
"Additionally, another method of using chicken hen eggs, called the HET-CAM method, a score of 0 was recorded in one study and suggested that it was appropriate to use chitosan nanoparticles to deliver antibiotics, with the added boon of less frequent dosing and longer exposure to the drug applied in the eye xref ."

sparser
"HET-CAM is a qualitative and low sensitivity evaluation method for moderately irritating products that have been entirely used for evaluating eye irritability, alternatively to the use of animal models, which has currently been questioned xref , xref ."

sparser
"HET-CAM tests showed that none of the liposomes were irritating (Fig.  xref ), which is suitable for the ocular application."

sparser
"The HET-CAM assay (hen’s eggs test–chorioallantoic membrane) revealed a strong anti-inflammatory property of ethanol and aqueous extracts from aerial parts of Dr. rotundifolia and ethanol extract from Dr. madagascariensis at the doses of 500 μg of extracts/pellet; the anti-inflammatory effect was stronger than that exerted by 50 μg of hydrocortisone/pellet (control) [ xref ]."

sparser
"For this purpose, a modified hens egg test (termed Gluc-HET; [ xref , xref ]), which was developed in our lab on the basis of the well-established hens egg test-chorioallantoic membrane (HET-CAM) assay [ xref ], has turned out to be a promising strategy."

sparser
"The HET-CAM evaluation is a widely used technique to ex vivo assess potential eye irritation from tested agents, as the CAM is excessively sensitive to these agents compared to the in vivo eye respons[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The BAI glycymicelle ophthalmic solution exhibited no HET-CAM irritation and strong in vivo eye tolerance in rabbits."

sparser
"HET-CAM Test."

sparser
"HET-CAM (Hen’s Egg Test Chorio-Allantoic-Membrane) assay is an useful approach to evaluate the cytotoxicity and the irritation of chemicals, considering that the test mimics vascular changes in the chorioallantoic membrane, an analog for ocular conjuntiva [ xref , xref ]."

sparser
"Irritation study by HET-CAM assay."

sparser
"The HET-CAM assay has been widely used as an irritant model for ocular studies."

sparser
"The non-irritant effect from the HET-CAM assay strengthens the safety profile of KTZ–EUG–NE as observed using the HaCaT cell cytotoxicity study."

sparser
"Essentially, ITZ-IC-DMN exhibited no signs of irritation in the HET-CAM study, indicating its safety for application."

sparser
"Recently, several studies have been published about tumor imaging in the HET-CAM model, focusing on MRI compounds [ xref ] or therapeutic effects after specific and non-specific accumulation [ xref , xref ], demonstrating the vast potential of these method."

sparser
"The images obtained from the HET-CAM test of the various treatments are presented in xref ."

sparser
"The potential ocular irritation caused by APO-VA64 ophthalmic solution was examined in vitro using the HET-CAM assay ( Lagarto et al., 2006; Vinardell and Garcia, 2000 )."

sparser
"The HET-CAM assay is a reliable, useful, and quick method for assessing the potential irritation caused by agents."

sparser
"APO-VA64 ophthalmic solution showed good ocular tolerance in the HET-CAM assay and Draize eye irritation assay."

sparser
"In this respect, the chick embryo or hen’s egg test–chorioallantoic membrane (HET-CAM) model is of special interest, as it is not considered an animal until day 17."

sparser
"Thus, we evaluated the feasibility of quantitative analysis of target-specific radiotracer accumulation in xenografts using the HET-CAM model and combined positron emission tomography (PET) and magnetic resonance imaging (MRI)."

sparser
"This proof-of-principle study shows the general feasibility of the HET-CAM xenograft model for target-specific imaging with PET and MRI."

sparser
"In this respect, the hen’s egg test-chorioallantoic membrane (HET-CAM) model is a promising alternative for animal experiments, as in many countries, chick embryos are not considered live animals before embryo development day (EDD) 17 or hatching."

sparser
"Thus, in contrast to animal studies, the HET-CAM model does not rise legal authorization issues if the embryos are sacrificed accordingly."

sparser
"In Ovo Irritant Potential via HET-CAM Test."

sparser
"Ocular safety was confirmed via in vitro tests using two different cell lines (L929 and Arpe-19), along with in vivo Draize tests, histological examinations, and Hen's Egg Chario-Allontioc-Membrane (HET-CAM) analysis."

sparser
"As a relatively simple, quick and inexpensive model, HET-CAM has already been used for studies on, e.g., angiogenesis [ xref ], cancer progression [ xref ], pharmacology [ xref ], and radiotherapy [ xref ]."

sparser
"Ex Vivo Ocular Irritation Test (HET-CAM) of the Optimized In Situ Gels."

sparser
"It was the objective of this proof-of-principle study to evaluate the feasibility of the combination of high-resolution MR imaging and highly sensitive PET imaging in ovo in a HET-CAM xenograft model system for evaluation of target-specific radiotracer accumulation."

sparser
"In this feasibility study we demonstrated successful imaging and analysis of target-specific radiotracer accumulation in a HET-CAM xenograft model by combined PET and MRI, using the PSMA-specific PET tracer [ 68 Ga]Ga-PSMA-11 and PSMA-positive and PSMA-negative tumor cell lines."

sparser
"Based on the results obtained from the HET-CAM test, it can be inferred that the optimized NEB-loaded dual-responsive in situ gel is safe and well tolerated by ocular tissues."

sparser
"Based on these promising data, further validation studies of the HET-CAM model compared to standard mice xenograft experiments are justified and warranted."

sparser
"Vaginal Irritation—Hen’s Egg Test-Chorioallantoic Membrane Assay (HET-CAM)."

sparser
"We also successfully performed dynamic scanning in the HET-CAM model for analysis of time–activity curves (TACs), however no quantitative analysis was performed because of the missing perfusion phase as measurements could not be started earlier than 10 min."

sparser
"In vitro drug release and skin permeation were assessed using Franz diffusion cells and murine skin, while the ocular irritation potential was evaluated through the HET-CAM assay."

sparser
"Comparing the absolute values and the ratios of tracer accumulation in PSMA + and PSMA − tumors of all ligands listed, the results of our HET-CAM experiments are very comparable and within the same order of magnitude, which further corroborates our data."

sparser
"To complement the study, the irritation potential of liquid crystalline phases was carried out using Hen’s Egg Test – Chorioallantoic Membrane (HET-CAM)."

sparser
"It is of interest that similar to our results in the HET-CAM model, a minor ligand uptake was also observed for PC-3 tumors in mice."

sparser
"The HET-CAM assay is an alternative method to animal experimentation, based on the similarity between the chorioallantoic membrane of a developing chicken egg and the mucosa of the human or rabbit eye, due to the similar vascularized tissue ( xref ; xref )."

sparser
"It is worth noting that products applied to the facial area may encounter the ocular region, thus expanding the rationale for the HET-CAM test."

sparser
"Interagency Coordinating Committee on Validation of Alternative Methods, 2010, advocates that HET-CAM assay results can be accepted only if the positive control, 1.0% w / v SDS, exhibits an IS that classifies it as strongly irritating."

sparser
"According to the results of the HET-CAM assay, all samples were suitable for further ex vivo and in vivo experiments, specifically, the HPLC-TBARS-EVSC protocol and anti-inflammatory activity assessed by laser Doppler flowmetry."

sparser
"Ocular tolerance was studied in vitro using the HET-CAM test and in vivo using the Draize test ( Fig. 3 A-D)."

sparser
"The HET-CAM test results demonstrated that the positive control (1 M NaOH, 18.75 ± 1.05) induced severe hemorrhage, intensifying over a 5-minute period."

sparser
"As the HET-CAM results show in xref c, the positive control of NaOH 0.1 M effectively generated a severe irritation of CAM (vasoconstriction, coagulation, and haemorrhage were observed); whereas the negative control was non-irritant."

sparser
"The HET-CAM TBS assay results showed significant differences ( p < 0.001) between NaOH 0.1 M and the other groups ( xref )."

sparser
"Our HET-CAM results are in correlation with CAM-TBS, both being classified as non-irritant."

sparser
"The irritation effect of black D. longan seed extracts, investigated by the HET-CAM test, revealed their safety as none of the extracts induced any irritation signs on the CAM."

sparser
"Furthermore, the histopathological assessment and HET-CAM study revealed that the DRZ-CS-PCL-NPs was non-irritant and safe for ocular administration."

sparser
"Regarding the HET-CAM test, RLZ-NLCs did not cause any irritation phenomena [ xref , xref ]."

sparser
"Prior to the experiment, the HET-CAM test was validated using normal saline solution (NSS) as a negative control, whereas sodium lauryl sulfate (SLS) aqueous solution (1% w / v ) was used as a positive control because of its irritating effects on the skin, resulting in increased transepidermal water loss (TEWL) and skin erythema xref ."

sparser
"Considering the results using NSS and SLS, the HET-CAM test was well validated since the negative control induced no irritation, whereas the positive control induced severe irritation."

sparser
"According to the validated HET-CAM assay, black D. longan seed extracts were safe and induced no irritation signs on the CAM after 5 min of exposure, as shown in Figure xref ."

sparser
"Since the HET-CAM test has been proposed as a useful in vitro assay for the irritation assessment of cosmetic formulations and ingredients, especially eye irritation xref , it can be concluded that all black D. longan seed extracts are safe for topical application as an active cosmetic ingredient."

sparser
"In HET-CAM analysis, on the basis of time dependent visual inspection ( Fig. 19 ); there was no haemorrhage, lysis and coagulation observed after the application of tacrolimus nanogel; therefore, irri[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The HET-CAM assay has been widely used to assess the irritancy of topical formulations and avoids the need for testing on live animals with a similar purpose ( xref )."

sparser
"Studies comparing the irritation potential of several test substances have demonstrated a good correlation between the HET-CAM and in vivo Draize test, and as such, it is recommended by the Organisation for Economic Co-operation and Development (OECD) as a well-validated alternative to in vivo testing [ xref , xref ]."

sparser
"Ocular Tolerance Test (HET-CAM Test)."

sparser
"However, it should be noted that the HET-CAM method may also exaggerate the irritation potential due to the absence of a protective tear film, blinking, and nasolacrimal drainage."

sparser
"Since the HET-CAM has previously been shown to have a good correlation with in vivo tests for the screening of surfactants, the ocular irritation potential of Tween 80 is likely to be low despite the cytotoxicity observed on application to HCECs ( xref )."

sparser
"A study developed chitosan and hyaluronic acid nanoparticles to encapsulate clindamycin and improve its transdermal efficiency, and the HET-CAM assay was conducted to evaluate the safety of this formulation ( xref )."

sparser
"According to the HET-CAM scores, strong anti-inflammatory activity was obtained by the F9-HP coded gel at a dose of 20 µg.embryo -1 ( p <0.05 compared with SDS)."

sparser
"Evidently, no sign of toxicity was displayed by the CIP-BLO formulation in a corneal hydration test (76.15%), histology, and the hen’s egg-chorioallantoic membrane (HET-CAM) test (zero scores)."

sparser
"The HET-CAM test was then performed to predict the irritability potential of loaded H3 hydrogels."

sparser
"Moreover, PDMS–RLs surfaces have also been tested for in vitro cytotoxicity (with human fibroblastic cells) and hemocompatibility (regarding platelet adhesion), as well as in vivo irritation potential (hen’s egg-chorioallantoic membrane test, HET-CAM) [ xref ]."

sparser
"In contrast to the Draize test, LVET in living animals and the BCOP or HET-CAM tests our approach aims to a reproducible delivery of corrosives and test substances for evaluation of the ocular toxicity onto a very small and exactly defined area of the cornea, whereas in all other before mentioned systems the substances are delivered by a higher volume onto the totality of the ocular surface."

sparser
"Ocular Irritation (HET-CAM) Test."

sparser
"Hen's Egg Chorioallantoic Membrane Test (HET-CAM) was performed to evaluate the effects on the conjunctiva."

sparser
"The HET-CAM assay classified the hydrogels as nonirritating."

sparser
"The HET-CAM alternative method was validated for eye irritation tests because of its high sensitivity [ xref ]."

sparser
"Effect of Compounds 6 and 7 on the Normal and Tumor Angiogenesis Process by CAM Assay and Irritation Potential Determination Using the HET-CAM Assay."
| PMC

sparser
"HET-CAM assay was used in order to assess the toxicity of compounds 6 and 7 ( xref ); the procedure is a low-cost, unique model in biomedical research [ xref ] that allows the testing of the irritation potency of chemical compounds while simultaneously avoiding in vivo experiments [ xref ]."
| PMC

sparser
"While the nanoparticles exhibited cytotoxicity in vitro, the absence of irritation and angiogenesis inhibition in the in ovo HET-CAM model suggests a more complex biocompatibility profile."

sparser
"The non-irritant character of the two compounds revealed by the HET-CAM assay indicated their biocompatibility with mucosal tissues thus enabling their biomedical use ( xref )."
| PMC

sparser
"Safety evaluations using the HET-CAM test demonstrated that DEX-CMM was non-irritant, supporting its potential for effective ocular drug delivery."

sparser
"In Vitro Ocular Irritation Testing Using HET-CAM."

sparser
"The potential irritancy of substances on the eye was studied in vitro using HET-CAM."

sparser
"Applying HET-CAM offers many advantages, one of which is the well-developed vascularization of the CAM as tissue-containing arteries, veins, and capillaries, which responds well to injury with an inflammatory reaction similar to that observed in rabbit conjunctival tissues."

sparser
"Supramolecular gels showed good cytocompatibility against SAOS-2 cells and in the HET-CAM test [ xref ]."

sparser
"The non-irritation profile of the hybrid nanoparticles before and after dispersion into Carbopol hydrogels was confirmed by HET-CAM test."

sparser
"For topical application, a semi-solid hydrogel formulation has also been developed with a gel forming agent (Carbopol® 971); the irritation profile of particles before and after dispersion into hydrogels has been analysed by HET-CAM test."

sparser
"As the eye is more sensitive than healthy skin, and are commonly in contact with cosmetic and other UV blockers, the HET-CAM test has been run to measure the potential risk of irritation of Parsol-SLN-Si before and after their dispersion into hydrogels."

sparser
"The optimized formulation exhibited a higher % of growth inhibition on A-431 cells and demonstrated good anti-angiogenic activity in the HET-CAM test."

sparser
"Hydrogels exhibited properties for topical administration and did not induce irritation effects on the HET-CAM."

sparser
"To determine the potential irritant effect of the Gv_EtOH extract, the in ovo HET-CAM was chosen."

sparser
"Biological activities were assessed through antimicrobial testing, cytotoxicity assays on human keratinocytes and melanoma cells, and an in ovo screening using the HET-CAM assay. (3) Results : The formation of crystalline Ag 2 O/Ag nanoparticles with sizes below 100 nm was accomplished with Puerarin."

sparser
"Incorporated tea tree oil did not diminish its antimicrobial effect but brought to the formulation vascular effects (bleeding) in Hen’s egg test (HET-CAM), which happened also with the non-encapsulated oil."

sparser
"Despite their high cytotoxicity at all tested concentrations, the nanoparticles showed antioxidant activity with IC 50 981.5 ± 94.2 μg/mL, antibacterial activity against several clinically relevant nosocomial strains ( Streptococcus pyogenes , Staphylococcus aureus , Escherichia coli , Pseudomonas aeruginosa ), and no local irritant effects or inhibition of angiogenesis in the HET-CAM assay. (4) Conclusions : This study provides insights into the synthesis, characterization, and biological profile of PUE@Ag 2 O/Ag nanoparticles for potential biomedical applications."

sparser
"Using the HET-CAM assay, the irritation score was calculated as the outcome of our investigation of the potential local irritant and angio-inhibitory effects of PUE@Ag 2 O/Ag ( xref , xref )."

sparser
"Implants were manufactured by a hot-molding technique, characterized by Fourier Transform Infrared Spectroscopy, X-Ray Diffraction, Differential Scanning Calorimetry, Scanning Electron Microscopy; evaluated in terms of ocular biocompatibility by immunofluorescence, flow cytometry, cell migration, Hen's egg test-chorioallantoic membrane (HET-CAM) irritation test; and investigated in terms of in vitro efficacy against Toxoplasma gondii ."

sparser
"By incorporating the HET-CAM test into a series of tests, we can decrease the reliance on mammalian experimentation and minimize harm to animals."

sparser
"The HET-CAM test indicated that implants did not induce hemorrhage or coagulation, being non-irritant to the CAM."

sparser
"PUE@Ag 2 O/Ag nanoparticles (100 μg/mL) were classified as non-irritating in the HET-CAM assay."

sparser
"Safety studies performed using corneal histopathology and Hen Egg Test- Chorio Allantoic Membrane (HET-CAM) assay showed no physical change in cornea or capillary damage, respectively."

sparser
"Sodium hydroxide (NaOH) at 0.1 mol/L and 0.9% saline solution were selected as the positive and negative controls, respectively, following HET-CAM Protocol No 96 [ xref , xref ]."

sparser
"The HET-CAM model evaluates acute vascular responses, such as hemorrhage, lysis, and coagulation, which are particularly relevant for formulations intended for mucosal application."

sparser
"Furthermore, Gel C was biocompatible with the Hela cell line (MTT assay) and was classified as a non-severe irritant in the HET-CAM assay (irritation score 4 ± 1)."

sparser
"Ketorolac Tromethamine Loaded Nano-Spray Dried Nanoparticles: Preparation, Characterization, Cell Viability, COL1A1 Gene Simulation and Determination of Anti-inflammatory Activity by In Vivo HET-CAM Assay."

sparser
"The CIP@GC(PLA) (NPs) (1:1) realized the highest association with human corneal epithelial cells, which were nonirritant to the hen's egg-chorioallantoic membrane test (HET-CAM test) and demonstrated significant antibacterial response in the in vitro minimum inhibitory, bactericidal, live-dead cells, zone of inhibition, and biofilm inhibition assays against the keratitis-inducing pathogen Pseudomonas aeruginosa ."

sparser
"Safety assessments using Hen's Egg Test-Chorioallantoic Membrane(HET-CAM) and Draize tests established the formulation as nonirritant and isotonic."

sparser
"The 5-fold increased effect of KT-NP formulation on collagen gene expression compared to KT is also related to the enhanced anti-inflammatory effect in line with the in vivo HET-CAM assay results."

sparser
"With the obtained cell viability, gene expression, and HET-CAM results, it has the hope of a successful nano-topical formulation, especially in both wound healing and anti-inflammatory treatment."

sparser
"Tolerance to the AmB-gel was tested in vitro using HaCaT, RAW 264.7, and J774 cell lines and by an irritation test (HET-CAM)."

sparser
"The findings of this study, based on in vitro assays and an irritation test (HET-CAM), suggest that this formulation is safe for dermal application."

sparser
"Irritation Study: Hen’s Egg Test on the Chorioallantoic Membrane (HET-CAM)."

sparser
"The irritant potential of MEL-NPs 10, 50, and 100 µg/mL was evaluated in ovo by applying the HET-CAM test ( xref )."

sparser
"The HET-CAM test, an alternative model to animal experiments, was used to assess the potential for irritation of CFE-NLCs against vascular toxicity."

sparser
"A possible reason is the high %EE of 5CQA and controlled release behavior of NLCs, resulting in less irritation in the HET-CAM assay."

sparser
"Hen’s egg chorioallantoic membrane (HET-CAM) test as described by Luepke was conducted to determine the corrosive and irritant nature of the formulated NPs [24,25] ."

sparser
"Through the HET-CAM test, the formulations were classified as non-irritating."

sparser
"Moreover, in the Hen’s egg test-chorioallantoic membrane (HET-CAM) ( xref c–e), the in ovo ocular nontoxicity of all the samples was determined, which demonstrated the biocompatibility for their use as facial cosmetics or pharmaceutical ingredients."

sparser
"The analysis of HET-CAM results revealed that both NI and AI were biocompatible, which suggested their applicability as ingredients for facial treatment."

sparser
"Several studies have been conducted to evaluate the feasibility of using HET-CAM as a complete replacement for the in vivo rabbit ocular test (Draize test)."

sparser
"The HET-CAM test has been proposed as a model for a living membrane because it has a functional vasculature, in other words, the acute effects induced by a test substance on the small blood vessels an[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"For that reason, HET-CAM cytotoxicity test was intended to evaluate the development of irritation symptoms."

sparser
"The particles were shown to be non-irritating (IS = 0.0) because they did not prompt vasoconstriction, haemorrhage or coagulation in the HET-CAM cells within 5 min of contact."

sparser
"Finally, the biocompatibility of the hydrogels was ascertained via irritability (Hen’s egg test–chorioallantoic membrane, HETCAM test) and cytotoxicity assays."

sparser
"HET-CAM Test."

sparser
"The HET-CAM test is a well-established prediction model for tissue irritation due to chemicals, based on the observation of signs of lysis, haemorrhage, or coagulation in the chorioallantoic membrane (CAM) surrounding the chicken embryo in eggs."

sparser
"The ocular irritation potential of the optimized binary and ternary complex was investigated in ex vivo ( in ovo ) using the HET-CAM assay technique as per our earlier reports ( Suvarna et al., 2021 )[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Although cartilage presents an avascular structure, the surrounding tissues of the joints and bone are vascularized, thereby making the HET-CAM test relevant."

sparser
"HET-CAM tests showed that, after the treatments, the samples remained non-irritant."

sparser
"Nanoemulsion safety in healthy tissues is supported by the lack of vascular toxicity in HET-CAM and absence of histological changes in the mammary tissue of healthy rats after in vivo NE-HA intraducta[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"In the HET-CAM assay, all concentrations of EKGR do not induce irritation responses, which elicits the safety of EKGR."

sparser
"The safety of EKGR was confirmed using the HET-CAM assay, acute dermal irritation test, and single-dose application skin test."

sparser
"The hen's egg-chorioallantoic membranes (HET-CAM) are generally utilized to evaluate the anti-irritant properties of plant extracts [ xref ]."

sparser
"xref depicts the results of the HET-CAM test which reveals the safety of EKGR (0.5 %–2 %) as it does not induce irritation responses on the chorioallantoic membrane (CAM) during the observation period (0–300 s)."

sparser
"The HET-CAM test is used as a test for potential irritation in the development of vaginal or ophthalmic drugs [ xref , xref ], while the oral mucosa also has a similar tissue structure and superficial blood vessels under the thin epithelial layer."

sparser
"We used a lower range of concentrations in the HET-CAM test (0.5 %, 1.0 %, and 2 % EKGR, for the vascular irritation test) and in the rabbits (0.25 %, 0.5 %, and 1.0 %, for acute dermal irritation test), as well as a higher range of doses in rats (0.5 %, 1.0 %, 2.0 %, and 4.0 %) and single-dose in rabbits (pure EKGR 200 mg/kg BW)."

sparser
"To complement the cytotoxicity MTT assay, the HET-CAM assay was carried out to assess the irritation potential of optimized binary and ternary complexes."

sparser
"Institutional Review Board Statement The use of eggs in an HET-CAM assay does not require ethical clearance according to CPCSEA Guidelines in India, especially for hens laying eggs."

sparser
"Both MTT assay and HET-CAM ascertain the non-toxic and non-irritant nature of the optimized complexes and thus making them suitable for ocular applications."

sparser
"The HET-CAM suggested non-irritation potential for the individual component as well as Cyclomune, whereas the MTT assay showed significant cell death for PVA, SBE-β-CD, and Cyclomune."

sparser
"The contradictory results of HET-CAM and MTT might be attributed to the very less exposure in the case of HET-CAM (5 min) whereas 24 h incubation in the case of MTT assay."

sparser
"Before extending the analysis on human volunteers, the safety of Micah was assessed by the usual tests: genotoxicity (Ames test), ocular irritation (HET-CAM), phototoxicity (MTT ex vivo and in vivo on 22 volunteers), and sensitization (human repeated insult patch test on 50 volunteers)."

sparser
"Animal experiments may be reduced by utilizing the HET-CAM model and similar alternatives."

sparser
"The authors thus reported that the concentrations of the released diclofenac and moxifloxacin were higher than the IC50 and the MIC (for S. aureus and S. epidermidis) values, for 9 and 10 days, respec[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Irritation Potential Assessment by the Means of HETCAM Test."

sparser
"In addition, the four ceramic materials were examined in vivo using the HETCAM assay in order to establish their irritative potential upon mucosal highly vascularized tissues."

sparser
"Firstly, used as an alternative to the Draize eye test, the HETCAM protocol is a simple, cheaper and less time-consuming alternative, suitable for assessing irritative and inflammatory potential of various types of chemicals with topical application [ xref , xref ]."

sparser
"Additionally, metal alloys were studied and their bioavailability could be established by using the HETCAM assay, with the possibility of analyzing the impact of certain metals released in the tested media [ xref ]."

sparser
"The HET-CAM (hen’s egg chorioallantoic membrane) method was used to evaluate biocompatibility and to explore the potential irritability induced on irrigated mucosal tissues by hydro-alcoholic basil extracts."

sparser
"One of the alternative methods proposed by the Interagency is the hen’s egg test on the chorioallantoic membrane (HET-CAM) [ xref ]."

sparser
"The HET-CAM assay, an internationally validated method, is based on the evaluation of chorioallantoic membrane of embryonated hen’s egg damage in order to assess the potential irritation to the conjunctiva [ xref ]."

sparser
"Evaluation of Irritation and Vascular Changes (Anti-Angiogenesis) via HET-CAM (Hen’s Egg Test—Chorioallantoic Membrane)."

sparser
"The potential irritancy was detected by observing adverse changes which occur in the CAM of the hen’s egg, after exposure to both hydro-alcoholic extracts obtained by aerial parts and leaves of Ocimum basilicum L. Correlating with the lack of severe cytotoxicity on skin-derived cell lines and on the in vivo skin measurements, the results obtained in the HET-CAM assay ( xref and xref ) confirms the biocompatibility and good tolerance of both basil hydro-alcoholic extracts on the vascular developing plexus."

sparser
"Both basil hydro-alcoholic extracts show a good biocompatibility and tolerance on the vascular developing plexus, as indicated by the HET-CAM assay."

sparser
"The in ovo evaluation of the potential irritative effect was performed using the HETCAM method, by calculating the irritation score (IS) for the control group and extracts."

sparser
"In an ex vivo HET-Cam model of the angiogenic response, Fibro-Gide exhibited reduced blood vessel length and blood flow rate compared to FibroMATRIX and Mucoderm."

sparser
"Vascular Response to Fibro-Gide, FibroMATRIX, and Mucoderm in the HET-CAM Model."

sparser
"The irritation and antiangiogenic activities were evaluated using the hen’s egg chorioallantoic membrane (HET-CAM) assay employing the optimized ME loaded with each drug."

sparser
"Among the three drug-loaded ME, the Sirolimus ME showed a reduction in blood vessel sprouting in the HET-CAM assay, indicating strong antiangiogenic activity."

sparser
"On the HET-CAM assay, the extracts did not cause any irritation compared to the positive control used."

sparser
"The HET-CAM study was conducted to evaluate the irritation potential and anti-angiogenesis activity of blank ME and drug-loaded ME."

sparser
"To assess the irritation potential and vascular changes induced by the developed ME, the HET-CAM (Hen’s Egg Test—Chorioallantoic Membrane) method, which serves as an alternative to animal testing, was employed ( xref )."

sparser
"At the end of 5 min, the results of the HET-CAM test indicate that the developed blank and drug-loaded ME did not cause any damage to the blood vessels and exhibited no sensitizing effects, hence demonstrating their non-irritant properties as compared to the positive control ( xref )."

sparser
"The HET-CAM test (hen's egg-chorioallantoic membrane test) was carried out using fertilized hen eggs (50–60 g each egg donated by Coren, Spain) that were incubated at 37 °C and 60 % relative humidity [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The mean score for 0.9% NaCl ( xref A), Blank ME ( xref C), Axitinib ME ( xref D), Fenofibrate ME ( xref E), and Sirolimus ME ( xref F) was observed 0 after 5 min of HET-CAM treatment with no damage to the blood vessels (normal network of capillary architecture); thus, the developed formulations were categorized as non-irritant."

sparser
"Cytotoxicity and HET-CAM assays were performed as a first screening of the cytocompatibility of the hydrogels without gemcitabine but with papain or nanopapain."

sparser
"The HET-CAM is a simple and effective assay useful to predict the toxicity of formulations in a more in vivo -mimicking environment."

sparser
"Our results of Sirolimus ME also exhibited the reduction in blood vessel sprouting in the HET-CAM test in anti-angiogenesis activity ( xref F) as compared to 0.9% NaCl and Fenofibrate ME."

sparser
"Because the localized damages of HET-CAM blood vessels in the treated region were more pronounced in the case of Sirolimus ME against the normal capillary network with 0.9% NaCl treatment, as shown in xref ( xref A,F)."

sparser
"Additionally, based on HET-CAM results, blank ME, and Sirolimus ME were tested for cytotoxicity test and COX-2 protein expression assay in RAW 264.7 cells ( xref and xref )."

sparser
"Modified HET-CAM was carried out to study the conjunctival irritation potential of the prepared in situ ocular films."

sparser
"We have previously elaborated on the use of the modified HET-CAM test ( Abdelkader et al., 2012a )."

sparser
"In addition, the HET-CAM test was employed to test the irritation potential and anti-angiogenesis activity of the developed drug-loaded ME ( xref )."

sparser
"HET-CAM is an in vitro ocular irritation assay utilising the chorioallantoic membrane of fertile hen's egg, an accepted model for conjunctival membranes."

sparser
"HET-CAM offers an appealing alternative to animal studies because of its affordability and ease of use, as using mammalian models for preclinical toxicity (irritation) evaluation of nanoformulations necessitates ethical clearance and a costly or time-consuming setup [ xref ]."

sparser
"The HET-CAM has been used for predicting the ocular irritation potential of many household agents, pesticides, cosmetic and pharmaceutical formulations ( Alany et al., 2006; Budai et al., 2010; Leight[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"In this study, a modification was carried out to allow the ocular film formulations to be tested on the HET-CAM by saturating 1 cm disks of Whatman filter paper with positive and negative control solu[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Hence, Axitinib significantly inhibited the blood vessels more efficiently in the HET-CAM test and acts as a stronger anti-angiogenesis drug than Sirolimus ( xref D)."

sparser
"The Sirolimus ME exhibited a better anti-angiogenesis effect as compared to the negative control and Fenofibrate ME at 24 h for the HET-CAM anti-angiogenesis test, suggesting its potential application in the prevention or treatment of AMD."

sparser
"Furthermore, ME formulation showed no irritation effect in the HET-CAM test against 0.1 N NaOH solution."

sparser
"The HET-CAM antiangiogenic study demonstrated that Sirolimus ME significantly suppressed angiogenesis relative to the Fenofibrate drug-loaded ME and control (0.9% NaCl)."

sparser
"To ensure the safety of cosmetic products alternative tests are performed, e.g. the Epikutan test, the human patch test, the EPISKIN test, the HET-CAM test and cell culture tests ( Spielmann, 1992; Pr[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"For instance, efforts have been made to correlate the HET-CAM assay, a variation of the CAM assay for the evaluation of ocular irritation, with the Draize eye irritation test, performed in rabbits [96[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Hen’s Egg Test—ChorioAllantoic Membrane (HET-CAM) assay was used to evaluate conjunctival irritation of selected excipients."

sparser
"Conjunctival Irritation of Surfactants, Cosurfactants, and Oils Determined by the HET-CAM Assay."

sparser
"The HET-CAM assay has been used for the evaluation of conjunctival responses to test substances."

sparser
"xref summarizes the conjunctival irritation potential results of all the surfactants, cosurfactants, and oils of interest as determined using the HET-CAM assay."

sparser
"To evaluate the skin irritation potential and the eye irritation potential of SLN and dendritic core-multishell nanoparticles the EPISKIN test and HET-CAM test were performed by Küchler et al. (2008) [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"In the HET-CAM test no eye irritation potential was found for both SLN and dentritic core-multishell nanoparticles."

sparser
"The HET-CAM test was used to assess ocular irritation, and the results revealed that the T4O 2% formulation was both safe and effective at destroying pathogens related to eye disorders."

sparser
"Comparison between HET-CAM protocols and a product use clinical study for eye irritation evaluation of personal care products including cosmetics according to their surfactant composition."

sparser
"In addition, extracts of D. rotundifolia and D. madagascariensis and their flavonoids were potent anti-inflammatory agents in a HET-CAM assay [ xref ], and fractions of D. rotundifolia and D. tokaiensis were reported to suppress the activation of human mast cells [ xref ]."

sparser
"The ocular safety of Gati@FCOL1/2 Ms was evaluated by a qualitative technique, HET-CAM assay ( Grimaudo et al., 2018 )."

sparser
"The Anti-Irritant Effect of OFS and OFG Extracts Using the HET-CAM Assay."

sparser
"The ocular tolerance of the developed formulations was evaluated by the HET-CAM analysis."

sparser
"The investigation has initiated with the evaluation of inhibiting the angiogenesis which is a main activity in metastasis, and it was assessed through Hen’s Egg Test on Chorio Allantoic Membrane (HET-CAM) test; the BSM inhibited the growth of blood vessels in the developing chick embryo."

sparser
"Anti-Angiogenic Study by HET-CAM Analysis."

sparser
"The preliminary assessment of inhibiting the angiogenesis process was successfully carried out through HET-CAM analysis in chick’s embryonated eggs and the DoE inhibited and slowed down the formation of blood vessels in the embryo."

sparser
"After the HET-CAM test, the irritation score (IS) of CSP-loaded formulations was calculated."

sparser
"No irritability and a good tolerability were noted after evaluating the extracts on the in vivo Hen’s Egg Test−Chorioallantoic Membrane (HET-CAM)."

sparser
"MZBSoG2 was found to be a non-irritant because it achieved a score of zero (standard score) in the HET-CAM test."

sparser
"An in vitro irritation study of MZBSoG2 was evaluated using the HET-CAM test."

sparser
"HET-CAM is a quick, sensitive, and economical method used to evaluate irritation."

sparser
"The results of a HET-CAM study revealed no signs of irritation."

sparser
"To contrast the information obtained by HET-CAM, the transparency of the corneas was observed when the formulations were applied."

sparser
"The highest concentration of both extracts was applied in the HET-CAM assay."

sparser
"The safe use of the extracts was also confirmed in the HET-CAM assay, proving the absence of irritability when exposed to mucosal or epidermal tissues."

sparser
"The HET-CAM test is suitable to test for potential eye irritation after application of the formulations."

sparser
"A HET-CAM study should reveal the effect of the keratins on ex vivo eukaryotic cells located in the chorioallantoic membranes (CAM) of hen’s eggs (HET)."

sparser
"The ocular biocompatibility was evaluated by HET-CAM assay, while ex vivo studies on isolated ocular tissues were carried out using diffusion cells and two-photon microscopy to confirm the potential o[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Ocular tolerance was evaluated by HET-CAM test and formulation was non-irritant and well-tolerated."

sparser
"The HET-CAM assay is not considered an animal experiment under Directive 2010/63/EU as no nervous system is developed before embryonal day (ED) 11 ( European Parliament Council, 2010 )."

sparser
"HET-CAM test (the Hen’s Egg Test or Huhner-Embroynen-Test) was performed for the assessment of irritation potential of tobramycin sulphate chitosan nanoparticles based gel."

sparser
"Ocular Irritancy Test (HET-CAM Test)."

sparser
"The unloaded and CYC-loaded polymeric platforms, uncrosslinked and crosslinked, were subjected to the HET-CAM test."

sparser
"The HET-CAM investigations were used to evaluate the mucosal tolerability of the feather keratin particles in powder form and as colloidal dispersion in DI water."

sparser
"Here, for instance, SDS was even used as positive control in the HET-CAM study performed."

sparser
"Furthermore, the HET-CAM model study presented that the substance does not irritate the cell membranes of the egg, indicating that it is safe for mucosa and tissues."

sparser
"Irritation Study by Hen’s Egg Test on Chorioallantoic Membrane (HET-CAM) Assay."

sparser
"Using the HET-CAM test, the potential ocular irritancy of FE/RMβCD-loaded EuNP suspensions (i.e., F6 and F7) was evaluated with their corresponding drug-free formulations (blank)."

sparser
"From the microbiological tests and the application of the keratin particles to ex vivo eukaryotic tissue of the endothelial and epithelial cells of the chorioallantoic membrane in the HET-CAM study, the keratin particles revealed neither irritative potential on sensible membranes nor any safety issues regarding microbiological infestation."

sparser
"In Vitro Irritation Test Using the HET-CAM Assay."

sparser
"To further investigate the effective activities of B. hispida peel extracts in vivo and in a clinical study, an in vitro irritation test using the HET-CAM assay was then employed."

sparser
"Due to this, a non-irritative product was received, as the HET-CAM study revealed."

sparser
"As the irritation test, the HET-CAM assay was used to assess the irritation properties of B. hispida peel extracts."

sparser
"The HET-CAM test was compared with results obtained from the irritation test with human skin, and the results led to the conclusion that significant comparable efficacy patterns were found [ xref ]."

sparser
"Thus, the HET-CAM assay has been used as a preliminary assessment of irritation before clinical trials."

sparser
"Formulation of Chitosan Polymeric Vesicles of Ciprofloxacin for Ocular Delivery: Box-Behnken Optimization, In Vitro Characterization, HET-CAM Irritation, and Antimicrobial Assessment."

sparser
"These results revealed that B. hispida peel extracts are suitable for further developing topical products or skin care products with safety similar to that of other extracts that have been reported to have no irritation potential after being tested using the HET-CAM assay [ xref , xref , xref ]"

sparser
"Toxicity of PnPP-19 using HET-CAM Assay."

sparser
"Irritations at risk of vascular damage, such as bleeding, lysis, and coagulation, can be evaluated by HET-CAM test, which is optimal for the study of compound accuracy and safety for ocular application. xref , xref "

sparser
"The gels were assessed for pH, morphology, FT-IR spectroscopy, rheological properties, spreadability, swelling and degradation, drug release kinetics, skin permeation (cow and human skin), irritation potential (HET-CAM assay), and impact on skin barrier function (TEWL and SCH)."

sparser
"Safety assessment using the Hen’s Egg Test-Chorioallantoic Membrane (HET-CAM) assay classified the developed transfersomes as weak irritants, indicating their dermal safety."

sparser
"Ocular compatibility was evaluated by means of the HET-CAM assay, an alternative to animal testing ( NICEATM-ICCVAM, 2012 )."

sparser
"By varying phospholipid-to-edge activator ratios and incorporating cholesterol, key formulation attributes will be assessed: particle size, zeta potential, morphology, in vitro release, skin permeation, and irritation potential via HET-CAM assay."

sparser
"The Hen's Egg Test-Chorioallantoic Membrane (HET-CAM) assay was carried out using fertilized broiler chicken eggs (Avirojo, Pontevedra, Spain) incubated for 11 days (37 ± 0.3 °C and 60 ± 2% RH) follow[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Based on these promising release characteristics, F3 was selected for subsequent evaluation via permeation studies and HET-CAM irritation assessments."

sparser
"The irritation scores of the blank and trans-resveratrol-loaded transfersomal formulations (F3 and F4), as assessed using the HET-CAM assay, are presented in xref ."

sparser
"The potential ocular irritancy of pristine CDs and MD and their polymers was evaluated according to the HET-CAM test following the NICEATM-ICCVAM protocol, which is as an alternative to the Draize eye[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The HET-CAM assay indicated that none of the PF-Gels were irritating."

sparser
"F3 and F4 were selected for irritation potential assessment using the HET-CAM assay."

sparser
"The HET-CAM test, cytotoxicity, and in vitro and in vivo skin permeation studies, as well as the in vivo anti-inflammatory study, tested the safety and efficacy of the gel approach."

sparser
"While originally developed for ocular irritation testing, the HET-CAM assay has emerged as a widely accepted alternative method for evaluating the safety of dermatological formulations."

sparser
"The HET-CAM assay is a simple, fast and cheap test that provides measurable indices of the biocompatibility of a material ( Cazedey, Carvalho, Fiorentino, Gremião, & Salgado, 2009; Valdes, Kreutzer, &[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Furthermore, irritation assessment via the Hen’s Egg Test–Chorioallantoic Membrane (HET-CAM) assay classified the developed transfersomes as weak irritants, supporting their potential suitability for topical applications."

sparser
"Therefore, the HET-CAM test indicates that the polymers may be well tolerated when used in ocular formulations."

sparser
"The HET-CAM test confirmed the ocular compatibility due to the non-irritating character of these polymers."

sparser
"The present form of the HET-CAM test can be proposed as a pre-screen method of eye irritation tests, therefore the number of test animals can be reduced."

sparser
"Traditional models for evaluating skin and ocular irritation, such as animal testing and the Hen’s Egg Test on the Chorioallantoic Membrane (HET-CAM) assay, face major limitations in physiological relevance, mechanistic insight, and standardization."

sparser
"Their in vivo efficacy was evaluated, along with drug retention in porcine and human skin after 30 min of administration, chemical stability at different temperatures, cytotoxicity, histological changes induced via transdermal application, and irritative potential, assessed using the HET-CAM assay. (3) Results: Both formulations reduced inflammation when applied 30 min before perforation compared to the positive control."

sparser
"The results of the in vivo anti-inflammatory activity tested by the HET-CAM assay showed that the system had good anti-inflammatory potential compared to free dKTP and identical to free dKTP at one-fifth the dose [ xref ]."

sparser
"The HET-CAM assay involves applying test substances to the vascular membrane of a fertilized chicken egg and scoring irritation based on visible effects such as hemorrhage, coagulation, or lysis."

sparser
"In Vitro Tolerance Study: Hen’s Egg Test on the Chorioallantoic Membrane (HET-CAM)."

sparser
"In the HET-CAM experiment, the micelles did not cause irritation and showed good biocompatibility."

sparser
"Similarly, SoC-based ocular models are beginning to emerge as replacements for static systems like RhCE and functional assays like HET-CAM."

sparser
"In this context, we conducted an in vitro HET-CAM assay to evaluate the ocular tolerance of the FB-gel formulation."

sparser
"These advantages make SoC systems highly attractive for replacing legacy tests like HET-CAM in both skin and ocular toxicity evaluation."

sparser
"The T14diLys/DOPE formulations with DNA showed excellent biocompatibility tested with the Hen’s egg test on the Chorioallantonic Membrane test (HET-CAM), and no charge-related toxic effects of the lipoplexes at the nitrogen-to-phosphate ratio (N/P ratio) 4 were observed in vitro."

sparser
"In case of an unwanted evaporation of a volatile solvent the remaining unresorped solid test substance can be found laying on the inner egg membrane so that the examiner is alerted for a possibly wrong negative outcome of the test. • Local irritant effects, which can result in an increased mortality due to local effects can be detected immediately by macroscopic observation in analogy to the established HET-CAM [11]. • The vitality of the embryo can be judged better through the air cell opening than by candling the unopened egg, so that embryos with a reduced vitality can be eliminated from the experiment. • The air cell route is easier in handling than the albumen route."

sparser
"The hen’s egg test-chorioallantoic membrane (HET-CAM) is a reliable alternative method for determining the risk of chemical irritation [ xref , xref ]."

sparser
"Besides, none of the samples induced irritation in the HET-CAM assay."

sparser
"Therefore, the preliminary findings in the HET-CAM test suggested good tolerability of H. coronarium extracts since they induced no irritation."

sparser
"A supramolecular cyclodextrin deep eutectic solvent (DES)-chitosan eutectogel demonstrated enhanced solubility (via DES) and sustained skin retention of RES through electrostatic and hydrogen bonding interactions, significantly improving psoriasis-like symptoms in mice compared with a commercial calcipotriol ointment. xref RES-loaded elastic nanocarriers (spanlastics) incorporated into carbopol gel achieved nano-sized particles (particle size: nanoscale range) with sustained drug release (73.76% ± 2.46% over 8 h) and superior in vivo efficacy in reducing erythema and inflammatory cytokines. xref Polymeric micelles embedded in carbomer gel optimized through QbD showed improved skin deposition and in an vivo anti-psoriatic activity with significant reductions in PASI scores and serum cytokine levels in imiquimod-induced mice. xref A triple bioactive nanoemulsion gel (curcumin-thymoquinone-RES) exhibited synergistic effects, achieving 76.20 ± 1.67 nm droplet size and significant anti-angiogenic activity in HET-CAM assays. xref Lastly, QbD-driven nanoemulgel formulations significantly increased skin deposition (668.65 ± 11.98 µg·cm − ²) compared to conventional gels. xref These innovations collectively address formulation challenges while enhancing the therapeutic outcomes in preclinical models."

sparser
"The formulation was tested for irritation potential using the HET-CAM test score, which revealed it to be nonirritant, similar to the negative control."

sparser
"The nanocarriers irritation potential was evaluated using the Hen's Egg Test - Chorioallantoic Membrane (HET-CAM)."

sparser
"Results from HET-CAM suggested that safety was not compromised, which is consistent with the low irritation scores (<0.9) of other lipid nanoparticles obtained using this model [ 54 , 55 ]."

sparser
"Yet, no irritant effects were observed in the HET-CAM model test for any of these compounds."

sparser
"Hen’s Egg Test—Chorioallantoic Membrane (HET-CAM ( Luepke, 1985 ); ECVAM DB-ALM protocol number 96) was used to study the irritation potential of the blank nanocapsule suspensions, polysorbate 80 solu[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"In vitro ocular tolerance was evaluated using the HET-CAM and HET-CAM TBS tests."

sparser
"OII measured with HET-CAM-TBS were in accordance with the HET-CAM, revealing that free TA can produce severe irritation as well as S8-TA-NE but S9-TA-NE did not show any irritation phenomena."

sparser
"When loaded in nanoformulations (e.g., nanosuspensions, polymeric nanoparticles, nanomicelles), corticosteroids have been described as non-irritant in the HET-CAM study ( Álvarez-Álvarez et al., 2019;[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"This agreement between tests corroborates the suitability of HET-CAM tests for evaluation of the ocular tolerance of formulations ( Sánchez-López et al., 2016; Vega et al., 2012 )."

sparser
"HaCaT assesses direct cellular damage in vitro culture, while HET-CAM evaluates tissue-level responses."

sparser
"The HET-CAM test was performed using 6 eggs per formulation."

sparser
"Tolerance Study by HET-CAM Assay."

sparser
"In order to avoid the major burden to the rabbit when applying irritants, we decided for the HET-CAM test, which is accepted in many European countries for strong and moderate irritants ( Abdelkader e[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Since the formulations are intended for being applied to different body areas, including the human face (for instance, eyebrow), we evaluated any possible irritating effects on the eyes by utilizing the HET-CAM technique that involves using the chorioallantoic membrane (CAM) of fertilized chicken eggs, which is a highly vascularized membrane that reacts to irritants in a way similar to human mucous membranes."

sparser
"Finally, their safety and stability were evaluated by using the red blood cell (RBC) test and hen’s egg test-chorioallantoic membrane (HET-CAM) assay, and changes in pH and content of soluble solids, respectively."

sparser
"Finally, the safety of the four fermentation broths were evaluated through the red blood cell (RBC) test and hen’s egg test on chorioallantoic membrane (HET-CAM), and the storage stability of the fermentation broths was investigated through changes in the pH value and soluble solid content."

sparser
"A HET-CAM irritation assay also confirmed the biocompatibility of gold nanoparticles with mucosal tissues ( xref ) [ xref ]."

sparser
"HET-CAM is a versatile and sensitive in vitro assay based on the response of the denervated and highly vascularized chorioallantoic membrane (CAM) to assess injury in a manner similar to mucosal and subcutaneous tissue."

sparser
"Finally, the RBC test and HET-CAM assay were used to verify that the four fermentation broths were not irritating and that there were no significant changes in pH value and soluble solid content within four weeks, which prove its stability."

sparser
"Hen’s Egg Test-Chorioallantoic Membrane (HET-CAM)."

sparser
"Finally, the selected compounds ( 3 , 8 , 32 , and 35 ) were evaluated for their efficacy in lowering blood glucose levels in chicken embryos using the HET-CAM assay."

sparser
"Finally, another alternative PDX platform is provided in the contribution by Winter et al. [ xref ] using the Hen’s egg test–chorioallantoic membrane (HETCAM) PDX model."

sparser
"While HETCAM has been predominantly used to investigate vasculature and angiogenesis-targeted interventions, Winter et al. describe the feasibility of high-resolution MRI and PET-imaging methods to evaluate novel radiotracers in this CDX-based HETCAM model."

sparser
"The nanomicelle formulations passed the hen's egg-chorioallantoic membrane (HET-CAM) test effectively and significantly improved ALA flow through the cornea and decreased lag time. xref Besides, nanospheres exhibited exceptional levels of physical and chemical stability in order to serve as a therapeutic agent with antioxidant properties and encapsulation of ALA into these particles, offering a promising approach for the prevention and treatment of diseases associated with oxidative stress. xref "

sparser
"Bioactivity of aerogels was tested by immersion in simulated body fluid (SBF), biocompatibility and mineralization by cellular assays, hemocompatibility by Hen's egg test on the chorioallantoic membra[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"3D-printed aerogels were evaluated regarding their irritative potential for being used as medical devices by HET-CAM test ( Coelho et al., 2019 )."

sparser
"In vitro assays in murine fibroblasts, in vivo tests in A. salina model and in ovo HET-CAM tests preliminarily revealed the safety of VAN-loaded aerogels."

sparser
"The HET-CAM experiments take advantage of the use of chicken embryos at day 11 of development."

sparser
"The CNPs showed excellent biocompatibility, with hemolysis <0.75%, non-irritancy in HET-CAM assays, and strong mucoadhesion (55%)."

sparser
"We found no irritation effect in the HET-CAM test ( Table 2 , Fig. 12 )."

sparser
"The HET-CAM is a test used for determining the irritation effect of samples."

sparser
"However, with intravenous administration of polymeric NPs, the HET-CAM test has also been shown to be important for controlling the degree of vascular occlusion depending on the particle size [ 54 ]."

sparser
"The 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide (MTT) and hen's egg-chorioallantoic membrane test (HET-CAM) assays confirmed that the complexes and ocular films were nonirritant and safe for ocular administration."

sparser
"The HET-CAM assay was used to predict the irritability of the produced materials on the eye."

sparser
"None of the hydrogels demonstrated irritancy potential by the HET-CAM test, indicating that they are not harmful to the conjunctiva and the cornea."

sparser
"HET-CAM Tests."

sparser
"Objective: This study aims to investigate the in vitro and in ovo cytotoxic and safety profiles of two natural agents, kojic acid (KA) and ellagic acid (EA), on human submandibular salivary gland carcinoma (A253) cells and human immortalized keratinocytes (HaCaT), as well as to assess their irritant potential via the HET-CAM assay."

sparser
"The HET-CAM assay was applied to evaluate the irritant effects of the compounds in ovo."

sparser
"HET-CAM scores for both KA and EA fell within the non-irritant range (IS=0.07), further confirming their biosafety."

sparser
"HET-CAM proved that the created formulation is secure and non-irritating when applied to the cornea at the recommended dosage."

sparser
"Comparative evaluation of HET-CAM and ICE methods for objective assessment of ocular irritation caused by selected pesticide products."

sparser
"We performed one ex vivo inmunohistochemical study, one organotypic in vitro assay called the Hen’s Egg Test-chorioallantoic membrane (HET-CAM) and two methods developed in KCH, the classical wound he[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The HET-CAM test was used to determine the potential irritancy of the NSAIDs using an alternative to the Draize methodology."

sparser
"The unloaded nanocarrier was considered safe, as indicated by a score <0.1 in HET-CAM models, by the high survival rates of Galleria mellonella larvae exposed to concentrations ≤500 mg/mL, and absence of histological changes when intraductally administered in rats."

sparser
"The finding that the selected nanoemulsion (containing tributyrin) displays some cytotoxicity against normal cells (although less pronounced compared to cancer cells) prompted us to assess the nanoemulsion potential for causing irritation to the administration site using HET-CAM."

sparser
"To ensure safety to healthy areas, we assessed the cytotoxicity of the unloaded nanoemulsion against non-tumor cells, and its irritation potential in HET-CAM models and in vivo ."

sparser
"Consistent with this finding, the selected nanocarrier (without ceramide) caused no irritation at the site of administration, as evidenced by the low irritation score in HET-CAM models and lack of histological changes in the mammary tissue."

sparser
"These results also corroborate previous observations concerning the applicability of HET-CAM as an alternative method to assess irritation to the administration site (Eichenbaum et al., xref )."

sparser
"Nevertheless, its cruelty gave way to several authorized alternative tests, showing potential as screens for ocular irritancy, such as the HET-CAM test ( Luepke, 1985 )."

sparser
"The findings of our study suggest that the ex vivo HET-CAM test is an appropriate method for assessing the irritation potential of NEs, removing the need for further animal testing."

sparser
"Introduction: The hen's egg test on chorioallantoic membrane (HET-CAM) assay is a cost-effective and well-validated, non-animal-based ex vivo method for evaluating the irritant potential and eye toxicity of substances."

sparser
"In the HET-CAM test, three different phenomena are assessed (hemorrhage, lysis, and coagulation)."

sparser
"Draize’s test, Schimer’s test, HET-CAM (method for evaluating the eye irritation properties) test, permeability and bovine opacity test, cell viability research, and histopathology investigations are only a few of the tests that have been used to look into the security of nanoformulations for ocular administration xref , xref ."

sparser
"Results: According to the average cumulative HET-CAM test scores (IS), from excipients, propylene glycol caused moderate irritation by causing slight damage to blood vessels."

sparser
"Ocular toxicity is detected in the HET-CAM test by irritation, haemorrhage, and coagulation in the chorio-allantoic membrane of a fertilised chicken egg xref ."

sparser
"All other NE formulations exhibited non-irritating potential, as confirmed by the HET-CAM test, and were comparable to the marketed BR eye drop formulation."

sparser
"Regulatory bodies in various European countries, such as Germany, Netherlands, UK, and France, have endorsed the hen's egg test on chorioallantoic membrane (HET-CAM) assay as a complete substitute for animal testing when assessing severe irritants."

sparser
"Using HET-CAM, Draize, and MTT (cell viability assay) analyses, fluconazole nanoemulsion in-situ gel formulation was evaluated by Samimi et al . xref for its toxicity and ability to irritate retinal cells."

sparser
"Fluconazole optimised formulation was shown to be well-tolerated and non-irritating for ocular usage according to Draize and HET-CAM testing."

sparser
"The HET-CAM method decreases animal distress, is faster, cheaper, and simpler compared to the Draize test and utilizes a scoring system that is more consistent and less subjective [ xref ]."

sparser
"Nevertheless, the HET-CAM model is not suitable for testing substances that are sticky, pigmented, or water-insoluble."

sparser
"In vivo , irritation studies can be replaced by the HET-CAM."

sparser
"With its complex vascular system and textural characteristics, the HET-CAM is a perfect choice for conducting experiments on tumor growth, drug delivery, chemotherapy, radiotherapy, cancer metastasis, and other biological phenomena [ xref - xref ]."

sparser
"Kim et al. compared in vitro models, such as the HET-CAM assay, with clinical data to investigate the correlation."

sparser
"The HET-CAM test and human patch test for anionic and amphoteric surfactants showed a robust positive association [ xref ]."

sparser
"In the same way, Löffler et al. combined the HET-CAM test with non-invasive imaging techniques (PET or MRI) to pre-select during radiopharmaceutical development, decreasing the need for animal experiments, and achieving comparable results to mouse model studies [ xref ]."

sparser
"Additionally, it examined the eye irritancy of the BR formulations using the HET-CAM assay and compared the results with those of commercially available BR eye drops."

sparser
"The average cumulative HET-CAM test scores for the optimized NE formulations (F1, F2, and F3), BR-loaded formulations (FB1, FB2, and FB3), the marketed BR eye drops, and the individual components (tween 80, propylene glycol, and triacetin) are shown in Table xref ."

sparser
"By examining conjunctiva damage, the HET-CAM test, which is employed internationally, can determine chemical toxicity as it acts as a vascular mucosal tissue in the human eye as shown in Figure xref ."

sparser
"The HET-CAM study showed that BN-BSog was found to be nonirritant as the score was found within the limit."

sparser
"The study successfully developed and evaluated an NE formulation for BR and assessed its irritation potential using the HET-CAM assay."

sparser
"The irritation study of the negative control (0.9%w / vNaCl), positive control (1%w / vsodium lauryl sulphate), and prepared BN-BSog was evaluated using the HET-CAM test."

sparser
"Hen’s Egg Test – Chorioallantoic Membrane (HET-CAM) was originally developed to evaluate ocular irritation potential of substances, but it has been currently also used to evaluate skin irritation pote[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Hen’s Egg Test-Chorioallantoic Membrane (HET-CAM)."

sparser
"The HET-CAM test is an alternative test to the Draize test, which is used to evaluate the potential eye irritancy of ocular formulations [ xref ]."

sparser
"In the mouse model tumor growth could easily be checked by palpation, whereas it is more challenging in the HET-CAM model."

sparser
"This HET-CAM experiment can be considered valid because the positive control exhibited an IS value of 17.0 ± 0.0 ( xref b), indicating severe irritation, while the negative control showed an IS of 0, demonstrating no irritation ( xref a)."

sparser
"With the capability of MRI to provide multiple image contrasts even in the small HET-CAM tumors [ xref ], its potential to provide further important physiological and molecular information (e.g., perfusion, diffusion, and tissue relaxation properties) for a more detailed tumor characterization is of major interest for future studies."

sparser
"Methodological and Logistical Aspects of the HET-CAM Xenograft Model."

sparser
"Despite these methodological challenges, the HET-CAM model still appears very attractive from the cost and administrative burden point of view."

sparser
"Since no approval for animal testing is required in most countries, a study based on HET-CAM can start much faster than a comparable study in mice."

sparser
"The HET-CAM model allows the easy introduction of various tumor models, not only based on human cell lines but also on rodent cell lines or patient-derived material [ xref , xref , xref , xref , xref , xref , xref , xref ]."

sparser
"This facilitates the transfer from an established mouse model to the HET-CAM model for at least initial evaluation."

sparser
"Unfortunately, blocking experiments could not yet be done, as double injection in the HET-CAM model is quite challenging and single injection with samples separated by air bubbles might kill the embryo."

sparser
"Consequently, the PET-based activity concentration was underestimated and for a PV correction the system-specific properties of the respective PET system must therefore be considered in future HET-CAM studies."

sparser
"Our feasibility study suggests that the HET-CAM xenograft model using PET and MR imaging is promising for the initial assessment of specific radiotracer accumulation under in vivo conditions and the results of our study are in line with the reported data in mice xenografts."

sparser
"If successfully established, combined PET-MR imaging using the HET-CAM xenograft model would allow for a substantial reduction of animal experiments in line with the 3Rs principles."

sparser
"The HET-CAM results are summarised in Table 3 , and representative images are shown in Fig. 2 for each sample."

sparser
"Several studies have been conducted to evaluate the feasibility of using HET-CAM as a complete replacement for the in vivo rabbit ocular test, and HET-CAM has several advantages, namely simplicity, ra[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The non-irritant behavior of the Soluplus and Pluronic F68 micelle dispersions is in good agreement with previous reports on HET-CAM assay results recorded for 23% w / v Soluplus dispersions [ xref ] and in situ gel formulations prepared with 23% w / v Pluronic F127 and 15% w / v Pluronic F68 [ xref ]."

sparser
"Initially, ketamine toxicity was evaluated by cytotoxicity assay and Hen's egg chorioallantoic membrane (HET-CAM) method."

sparser
"HET-CAM assay showed that concentrations above 0.237 mmol."

sparser
"In Germany and France, HET-CAM has been officially accepted as a valid in vitro assay for the prediction of the irritation potential of several irritating substances [8] ."

sparser
"HET-CAM tests were performed according to the methodology described by Steiling et al. [8] ."

sparser
"To the best of our knowledge, there are no reports in the literature dealing with HET-CAM tests for metallic nanoparticles."

sparser
"In this study, HET-CAM tests were performed for formulations containing AgNPs with different sizes and shapes and chitosan for the first time."

sparser
"No mutagenic, genotoxic [ xref ], or long-term side effects were observed in animal experiments [ xref ], and irritation assays using the in ovo HET-CAM egg model revealed no significantly higher irritative potential compared to conventional therapeutic agents, e.g., cisplatin, but instead a notably better reversibility of induced irritative pattern [ xref ]."

sparser
"The non-irritant formulation, Mox-mPH NPs (1:150) (proven by HET-CAM test) exhibited intense antimicrobial activity against P. aeruginosa, S. pneumoniae, and S. aureus in vitro analyzed by live-dead cells assay, zone of inhibition studies, and by determining the minimum inhibitory and bactericidal concentrations."

sparser
"The irritant potential of the samples was monitored by the in ovo HET-CAM method, which involves a direct application to the chorioallantoic membrane of the samples of interest."

sparser
"Additionally, the in vitro hen's egg test on the chorioallantoic membrane (HET-CAM) assay was used to evaluate the irritating potential of these particles."

sparser
"Lastly, the irritant potential of Blank-O and BA-O was investigated in ovo, by applying the HET-CAM test, a sensitive, rapid, and inexpensive toxicity technique recommended by the Interagency Coordinating Committee for the Validation of Alternative Methods (ICCVAM) for non-regulatory validation or optimization of preclinical studies [ xref ]."

sparser
"Imidazolium IL–based emulsions ([C 12 MIm]­[Br], [C 16 MIm]­[Br]; xref , entry 33) strengthened drug–IL interactions and organized micellar structures, yielding IC 50 values against Candida spp. up to 1000× lower than fluconazole alone while remaining nonirritant in HET-CAM assays. xref Ternary [Cho]­[Gly]/EtOH/IPM systems ( xref , entry 34) achieved acyclovir delivery of ≈58 μg cm –2 in 24 hsubstantially higher than controlsthrough reversible disruption of stratum-corneum lipid packing confirmed by FTIR, yet retained good epidermal tolerability. xref These examples underscore how ILs can be engineered to balance strong antimicrobial performance with acceptable local safety."

sparser
"The HET-CAM assay is frequently applied in the assessment of irritant effects and is recognized due to its correlation with the results of dermal irritation tests [ xref ]."

sparser
"HET-CAM studies, histopathological evaluation, and Draize test confirmed the safety of the formulation for ocular use."

sparser
"Moreover, ocular kinetic, ex vivo antimicrobial, in vivo antifungal, and chorioallantoic membrane (HET-CAM) assays were conducted to assess the overall performance of the formulation."

sparser
"The HET-CAM assay showed that DMN-FNL-IC (F2) did not show any vascular damage."

sparser
"The biocompatibility of the antioxidant–CNT conjugate was also assessed with hen's egg test-chorioallantoic membrane (HET-CAM)."

sparser
"Moreover, 21 did no cytotoxicity and irritation potential in the Hen's egg test-chorioallantoic membrane (HET-CAM) assay."

sparser
"Hen’s egg test–chorioallantoic membrane (HET-CAM) study was conducted to assess the irritability and tolerability of NPs."

sparser
"The irritation potential of the PRM17 membrane was evaluated by employing an assay that is out of the scope of the ISO 10993-23:2021 standard, dedicated to the evaluation of irritation effects of substances [ xref ], which was the hen’s egg chorioallantoic membrane test (HET-CAM test) [ xref ]."

sparser
"The in-situ nanoemulgel ocular irritation was studied by HET-CAM test."

sparser
"HET-CAM test showed no signs of hemorrhage, coagulation, or lysis for the loaded nanoemulgel same as sodium chloride solution (negative control) where its irritation score was zero compared to 9.87 for the positive irritant group (1%w/v sodium lauryl sulfate)."

sparser
"Mitochondrial toxicity test (MTT) and Hen's egg chorioallantois membrane (HET-CAM) assay are the most often utilized tests based on this dilemma."

sparser
"Their toxicities were evaluated by using two different toxicity tests (MTT and HET-CAM)."

sparser
"The results suggest that there are no significant differences between the HET-CAM and MTT assays."

sparser
"It is noteworthy that the HET-CAM assay offers a more cost-effective and environmentally friendly alternative to the MTT assay, as it does not require cell culture and generates less toxic waste."

sparser
"In this regard, the authors performed in vitro (characterization of the hydrogels, drug release and cell toxicity) and ex vivo (transcorneal permeation and Hen´s Egg Chorioallantoic membrane (HET-CAM)) assays."

sparser
"The ex vivo ocular irritation studies were carried out using the Hen's Egg Test-Chorion Allantoic Membrane (HET-CAM) method [39] ."

sparser
"The irritation potential of nanostructure aqueous dispersions and films was evaluated by the Hen’s Egg Test on the Chorioallantoic Membrane (HET-CAM)."

sparser
"The HET-CAM assay is an alternative to Draize test of ocular toxicity that can be used to assess a formulation irritation potential and therefore, its safety ( Batista-Duharte et al., 2016 )."

sparser
"Cell viability assays, Hen’s egg test-chorioallantoic membrane (HET-CAM) test, and Draize tests confirmed the low cytotoxicity, non-irritating nature, and anti-inflammatory properties of dexibuprofen-loaded PEGylated PLGA nanospheres [ xref ]."

sparser
"The HET-CAM test was employed to assess the safety and drug toxicity of this formulation, demonstrating its non-toxicity and suitability for ocular drug delivery, with scores consistent with those of the saline group (negative control)."

sparser
"A sensitive, quick, and inexpensive substitute for the Draize eye test is the ocular irritation test using the HET-CAM method."

sparser
"The study revealed that OA/UA-loaded nanomaterials (NM OA/UA NPs) exhibited excellent permeability and safety in corneal tissue during in vitro rabbit corneal tissue penetration experiments and HET-CAM studies."

sparser
"After having carried out toxicity studies as bovine corneal opacity and permeability (BCOP) and Heńs Egg Test - Chorioallantoic Membrane Test (HET-CAM) it was verified that both, the active ingredients and the excipients of the different formulations were not harmful without generating irritation, loss of transparency or corneal permeability alterations."

sparser
"Fig. 8 presents a comparison of the images obtained from the HET-CAM test of the treatments used in the study."

sparser
"A Hen’s Egg Test-Chorioallantoic membrane (HET-CAM) test revealed that the gel was slightly irritative [ xref ]."

sparser
"For this, we used an irritability test in the chorioallantoic membrane (HET-CAM) [ xref ]."

sparser
"As shown in the results of the HET-CAM test, no irritation occurred up to 2 h (mean score 0)."

sparser
"The HET-CAM test results were similar to the test results of Gupta et al. This indicated that the chitosan/gellan gum based in situ gel was a non-irritant to mild irritant."

sparser
"This study explored the in vitro safety, by HET-CAM (hen’s egg test on chorioallantoic membrane), and protective effects of polyphenols (chlorogenic acid, apigenin, kaempferol, and naringenin) against stratum corneum UV-induced lipid peroxidation using an innovative method, the HPLC-TBARS-EVSC (high-performance liquid chromatography–thiobarbituric acid reactive substances– ex vivo stratum corneum), and a stress test using methyl nicotinate and laser Doppler flowmetry to establish in vivo the samples’ topical anti-inflammatory ability."

sparser
"Through the utilization of the HET-CAM assay for in vitro safety assessment, chlorogenic acid, apigenin, kaempferol, and naringenin were classified as non-irritating active ingredients."

sparser
"2.2 In vitro safety establishment by the HET-CAM methods."

sparser
"The HET-CAM (hen’s egg test on chorioallantoic membrane) assay involved the use of fertilized white Leghorn chicken eggs, which were incubated for 10 days at 37°C and 65% relative humidity in a Chocmaster incubator."

sparser
"Moreover, TBS quantitative results supported the results of the HET-CAM test, where APG-NLC were non-irritant while free APG resulted irritant (0.06 ± 0.04 and 0.18 ± 0.01 respectively)."

sparser
"To evaluate the ocular safety of the formulation, an in vitro HET-CAM test was conducted."

sparser
"The HET-CAM test allows observation of vascular responses due to the acute effects of the test substance on the small blood vessels and soft tissue proteins of the CAM."

sparser
"These results were also confirmed by the HET-CAM TBS, a quantitative assay based on the ability of trypan blue to stain damaged or dead cells ( Vinardell and García, 2000 )."

sparser
"The HET-CAM test, while useful for assessing conjunctival damage due to its similarity to human ocular tissue, may not fully capture corneal irritation, which is a key focus of the in vivo tolerance t[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Eye irritation potency of pesticides (fungicides, herbicides, insecticides) was comparatively tested by HET-CAM and ICE method."

sparser
"Statistical analysis of agreement between classification revealed significant correlation between results of in vivo and in HET-CAM assays (76%)."

sparser
"Weakest correlation was found between the data from in vitro HET-CAM and ICE tests."

sparser
"The HET-CAM test is a useful tool for studying in vivo the potential conjunctival irritation, while the ICE test can be used to study corneal irritant effects in detail."

sparser
"The microemulsion was investigated for the irritation properties in comparison with nonencapsulated OEO using HET-CAM (hen egg test-chorioallantoic membrane) assay."

sparser
"More precisely, the hen egg test—chorioallantoic membrane assay (HET-CAM), which provides evidence on how a sample can affect the vascular functionality of epithelial tissues, can be used to assess the biocompatibility and irritation potential for different types of samples, including vegetal oils [ xref ]."

sparser
"Irritative Potential In Ovo Using HET-CAM Assay."

sparser
"Firstly, the irritability evaluation was performed using the HET-CAM method, which allows for the estimation of the degree of negative impact upon vascularized epithelial tissues."

sparser
"HET-CAM study is established alternative technique to the Draize rabbit eye test to check potential irritation effects in the eye [21] ."

sparser
"HET-CAM study demonstrates that the formulation prepared is non irritant to the highly vascular tissues and hence can be used for the immunological sensitive tissues like inflamed intestine in IBD."

sparser
"The nanosystem presented a zeta potential equal to - 30.1 ± 1.8 mV and was stable for at least 90 days when stored at 6°C. The colloidal aqueous dispersion was non-irritating, according to the in vitro HET-CAM test."

sparser
"All hydrogels showed physical properties adequate for CLs and successfully passed the hen's egg-chorioallantoic membrane (HET-CAM) test."

sparser
"Additionally, the irritation potential was evaluated using the hen’s egg test on chorioallantoic membrane (HET-CAM)."

sparser
"All samples were non-irritating in the HET-CAM test."

sparser
"The HET-CAM assay was performed to assess the irritation potential of the G. max oligopeptide–monosaccharide conjugates."

sparser
"Considering the results (Table  xref ), we can say that the ME formulation demonstrated a clear reduction in the potential ocular toxicity of rosemary essential oil, as evidenced in the HETCAM assay."

sparser
"The findings confirmed the reliability of the HET-CAM assay in predicting irritation and its suitability for assessing the safety of cosmetic ingredients."

sparser
"All hydrogels showed physical properties adequate for CLs and successfully passed the hen’s egg-chorioallantoic membrane (HET-CAM) test."
| PMC

sparser
"HET-CAM Test."
| PMC

sparser
"The Hen’s Egg Test on the Chorioallantoic Membrane (HET-CAM) assay was used to gain an insight into the compatibility of the developed hydrogels with the ocular surface."
| PMC

sparser
"In order to evaluate the safety of the ME for the use as eyedrops, we realized the Hen's Egg Test‐Chorioallantoic Membrane (HETCAM) test, which is an alternative assay to the use of animals formerly used by regulatory agencies and that may predict the potential of ocular irritation of the applied formulation through the determination of the parameters of hemorrhage, vascular lysis and coagulation [ xref , xref ]."

sparser
"The MER and blank formulation were evaluated in the HETCAM assay, as well as the essential oil alone."

sparser
"Although some of the MIC values obtained in the antifungal susceptibility assays were higher than those reported in the literature [ xref ], the concentration range with antifungal activity is significantly below the concentration capable of causing ophthalmic irritation, according to analysis in HETCAM (22.43 mg/mL)."

sparser
"The therapeutic index of the ME was evidenced by irritant concentration determined in the HETCAM assay compared with the MIC values obtained against fungal strains, being two times less toxic for C. albicans , F. graminearum , and A. parasiticus , four times less toxic for C. krusei , and remarkably 68 times less toxic for C. parapsilosis ."

sparser
"No sign of irritancy or hemorrhage was observed with the Mox-Ms ( Fig. 5 A ), as tested in the HET-CAM study."

sparser
"Irritative Eye Potential by HETCAM."

sparser
"We have also carried out the hen’s egg-chlorioallantoic membrane test (HET-CAM) to evaluate the ocular irritancy of the different antioxidant solutions."

sparser
"The hen’s egg test on the chorioallantoic membrane (HET-CAM) (an alternative to the in vivo Draize rabbit eye test) was carried out to assess the potential irritancy of GSH and Vit C solutions."

sparser
"The HET-CAM test revealed that GSH solutions (10 mg/mL, 5 mg/mL) and the solution of 5 mg/mL GSH with 3 mg/mL of Vit C, did not produce hemorrhages, lysis, or coagulation ( xref )."

sparser
"These results are consistent with similar studies which evaluated the irritancy of antibiotics or hormones using the HET-CAM test [ xref , xref ]."

sparser
"In this review, we highlight relevant studies in the field and spotlight the applicability of alternative models, including C. elegans , D. rerio , Drosophila , HET-CAM and Lab-on-a-chip."

sparser
"Aiming to verify potential ocular use of PnPP-19, the irritant potential of this peptide was evaluated in the eye by using the Hen’s egg test in the chorioallantoic membrane (HET-CAM), and the ocular irritation index was calculated ( xref )."

sparser
"Considering the absence of toxicity in the HET-CAM test, the safety for topical use of this drug in vivo was investigated using electroretinography (ERG) test."

sparser
"Thirdly, the skin compatibility/irritability of the microemulsion-based hydrogel was determined by the HET-CAM assay, which showed non-irritation level."

sparser
"The HET-CAM assay is a predictive model for in-vitro irritation test by observing the CAM vascular damage and calculating/evaluating the product irritation scores."

sparser
"HET-CAM has been confirmed as suitable for conducting eye irritation assessments due to its remarkable sensitivity [ xref ]."

sparser
"In order to evaluate the safety of Cliptox™, toxicity was assessed by the HET-CAM test at the Centro de Toxicología y Biomedicina (TOXIMED), Santiago de Cuba, Cuba."

sparser
"Despite the chemical modification, the HET-CAM (hen's egg-chorioallantoic membrane test) showed no toxicity, allowing this material to be used safely for the treatment of ocular diseases (dry eye)."

sparser
"The chick embryo chorionic allantoic membrane test (HET-CAM) is a classical in vitro assessment of eye irritation and is suitable for the evaluation of cosmetic products or raw materials (Lin xref )."

sparser
"Nanoformulation was evaluated and characterized for cytotoxicity, stability, adhesion, skin penetration and permeation, irritability (HET-CAM), skin toxicity, in vitro photoprotective effects, SPF values, and pilot clinical study in volunteers."

sparser
"Likewise, it did not cause irritability and reveal skin toxicity in the HET-CAM model and in Tenebrio molitor larvae, respectively."

sparser
"Based on this finding, the micro bioreactors (MBR) design, first made of PDMS and that also passed with cell tests on the HET-CAM, was finally printed in PEGDA, and applied in vivo."

sparser
"For this purpose, we employed a reliable 3R-compliant test, the hen’s egg test chorioallantoic membrane (HET-CAM) assay."

sparser
"Features of the HET-CAM bioassay are its simple accessibility, high sensitivity, resourcefulness, low cost, and above that, the fact that growing blood vessels are directly contacted."

sparser
"Therefore, the HET-CAM assay is an effective monitoring tool for assessing in vivo biocompatibility [ xref ] and observing complex biological interactions [ xref ]."

sparser
"PDMS Micro Bioreactor for HET-CAM."

sparser
"HET-CAM Assay."
| PMC

sparser
"For a detailed description see xref —PDMS HET-CAM Reactor Prototyping."

sparser
"To determine the irritant potential of the three volatile oils (Hr_EO, Cc_EO, and Ob_EO), the HET-CAM method was applied considering that the safety profile is important for further in vivo evaluations."
| PMC

sparser
"Material Testing on HET-CAM."

sparser
"With a design to determine the potential irritating effect of the three volatile oils evaluated in the present study, the HET-CAM method was chosen, which uses a biological model including the chorioallantoic membrane of the chicken egg."
| PMC

sparser
"As far as we know, these two volatile oils ( H. rhamoides and C. citratus ) have not been tested for the irritating effect by employing the HET-CAM method."
| PMC

sparser
"Petadolex® inhibited the laurine sulfate-induced vascularization in the chicken embryo HET-CAM assay, again supporting an anti-inflammatory activity ( xref )."

sparser
"Results from HET-CAM assay indicated that F2 was well tolerated."

sparser
"Due to these facts, the HET-CAM assay was performed ex ovo, in sterilized (70% EtOH; multiple hours of UV light) weighing dishes covered with provided lids or glass ( xref A)."

sparser
"Compatibility testing with respect to HET-CAM assays has been conducted beyond EDD10 by many research groups to date."

sparser
"Biocompatibility was further assessed on a living organism in vivo with the aid of HET-CAM assays."

sparser
"The immortalized corneal epithelial cell lines can be used to create an in vitro eye irritation testing protocol as a substitute for techniques using live animals (Draize test) such as the bovine corn[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Safety of acyl myricetins were compared by evaluating cytotoxicity and in ovo toxicity using PC-12 cells and hen egg chorioallantoic membrane test (HET-CAM), respectively."

sparser
"In order to further evaluate safety and biocompatibility for acyl myricetins, HET-CAM test was performed, which is an excellent in vivo alternative approach to animal testing."

sparser
"The irritative potential of F1, F2, F4, and F5 was evaluated using the HET-CAM assay."

sparser
"For eye irritation and toxicity, the hen’s egg test on chorioallantoic membrane (HET-CAM) has been used, which is performed by exposing the CAM of the fertilized chicken egg, as shown in xref ."

sparser
"The validity of the HET-CAM test in the present study has been confirmed."

sparser
"For the HET-CAM results, all the acyl myricetins exhibit no ocular toxicity, which demonstrated the biocompatibility as safe as it can be applied to some commercial fields, including facial cosmetic industry."

sparser
"Although in vitro techniques are not yet able to fully replace in vivo techniques, for some assays, however, such as the Draize test, there is already a correlation with in vitro methods, such as the HET-CAM assay."

sparser
"The Hen's Egg Test - Chorioallantoic Membrane (HET-CAM) is a valid alternative method used to assess the potential for eye irritation from chemicals."

sparser
"In addition, the potential irritating effect on the vascular plexus were highlighted by applying the in ovo method, chick chorioallantoic membrane (HET-CAM)."

sparser
"Conclusions : Summarizing, Cet presents a safer toxicological profile, compared to Met, based on the results obtained from both in vitro (cell viability, wound healing, RT-PCR assays), and in ovo (HET-CAM assay) techniques."

sparser
"In addition, the potential irritant effect of the two cytostatics on the vascular plexus was also examined in ovo, by employing the chick chorioallantoic membrane (HET-CAM) assay."

sparser
"It did not cause toxicity on fibroblast cell line and irritancy in HET-CAM test (hen's egg test on chorioallantoic membrane test)."

sparser
"HET-CAM Test."

sparser
"The potential irritant effect of the vascular plexus of Methotrexate and Cetuximab was analyzed using the HET-CAM method."

sparser
"Wohlrab et al. [ xref ] conducted a study on the biosafety of Methotrexate using the HET-CAM method, the results suggesting that when it was used in concentrations of 0.25% and 0.5%, it does not cause significant changes in the vascular plexus."

sparser
"Furthermore, HET-CAM test was used for the first time to analyze irritancy property of melanins."

sparser
"It did not show any toxicity to the tested tissue, confirmed by corneal hydration (77.3%), cornea histopathology (no internal changes), and a HET-CAM test (zero score)."

sparser
"HET-CAM Study."

sparser
"xref represents the HET-CAM images of samples treated with 0.9% NaCl (A), MX-BSop-Ig4 (B), and 0.1N NaOH (C)."

sparser
"The results supported the findings of the HET-CAM test."

sparser
"It did not show any irritation potential to the cornea, confirmed by an in vitro HET-CAM test."

sparser
"The HET-CAM study is an alternative method to the Draize test for the analysis of ocular irritation [ xref ]."

sparser
"SQ-loaded PLP1 (PLP1-SQ) was characterized for the presence of sedimented or non-dissolved SQ, rheological and thermal behavior, and irritation potential with hen's egg test on the chorioallantoic membrane (HET-CAM)."

sparser
"No sign of vascular toxicity in the HET-CAM model was observed after cutaneous treatment with PLP1."

sparser
"This study employs a combination of in-vitro and in-vivo methods, including the hen’s egg test on chorioallantoic membrane (HET-CAM) for irritation potential, high-performance liquid chromatography–thiobarbituric acid reactive substances– ex vivo stratum corneum (HPLC-TBARS-EVSC) for assessing antioxidant activity, and laser Doppler flowmetry to measure anti-inflammatory effects."

sparser
"Adequate concentration-dependent in vitro safety in keratinocytes and fibroblasts (up to 12.5 or 25 μg/mL) was demonstrated as well, with some niosomal formulations also showing a low irritative potential in a HET-CAM test, and relevant in vitro anti-inflammatory potential (IC 50 from 14.90 to 17.89 ng/mL)."

sparser
"The purpose of this study was to compare the different protocols of the HET-CAM, the French and German protocols, by evaluating the eye irritation potential of surfactants."

sparser
"HET-CAM is known to overestimate the results and to be able to accurately identify non-irritant products and it is a great candidate to be part of a Bottom-up test strategy."

sparser
"First screening of the ocular compatibility of the inserts with ocular tissues was assessed by HET-CAM assays."

sparser
"Overall, HET-CAM results indicated that the designed inserts can be considered as non-irritant."

sparser
"Tang et al. evaluated the eye and skin irritation potentials of four plant hair dyes (henna, Chinese gallnuts, sappanwood, and walnut husks) by using several OECD validated in vitro methods, including bovine corneal opacity and permeability (BCOP) assay in combination with histopathological analysis, Hen’s egg test on chick chorioallantoic membrane (HET-CAM), and a test on reconstructed human epidermis models [ xref ]."

sparser
"The irritant potential of araçá extracts was assessed by the HET-CAM test."

sparser
"Wilson and Steck (2000) have confirmed consistent results for a particular substance (15% lactic acid) in both HET-CAM and direct skin tests [ xref ]."

sparser
"In this report, the HET-CAM test, BCOP assay and histological examination of excised bovine corneas were jointly used to investigate the ocular irritation potential of niosomes and their ingredients."

sparser
"When applied to the cornea at the prescribed dosage, HET-CAM was tested and showed that the developed formulation was safe and non-irritating."

sparser
"Table 4 shows the interpretation of the cumulative test scores for the HET-CAM and bovine eye tests."

sparser
"The robust irritation response exhibited by the positive control, scoring 19.9 ± 0.0, in contrast to the absence of irritation from the negative control (normal saline solution), serves as validation for the findings derived from the HET-CAM test."

sparser
"The irritation potential for all the prepared niosomes and the excipients used was equally interpreted by the HET-CAM (the conjunctival model) and bovine eye assay (the corneal model)."

sparser
"Based on the HET-CAM test, acetone was graded as a strong irritant, whereas the BCOP results suggested that is a moderate irritant."

sparser
"Therefore, histological examination of the corneal layers could be helpful to compliment and further explain the findings from the HET-CAM and BCOP tests."

sparser
"Four niosomal formulations, their components and NTX were evaluated for corneal and conjunctival toxicity using the HET-CAM test and BCOP assay along with histological corneal examination."

sparser
"Extensive investigations have been conducted over the past years to develop the hen’s egg test on the chorioallantoic membrane (HET-CAM) as an alternative to the rabbit eye irritation test by measurin[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"3.3 HET-CAM assay."

sparser
"Moreover, the comparable HET-CAM assay is widely used detecting the ocular irritation potential of substances ( Tavaszi and Budai, 2007 )."

sparser
"Moreover, the completely accessible vascular network of the CAV ex ovo after transfer in a shell-less system, the possibility to observe the heart-action macroscopically as well as shorter incubation [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"In addition, uninfected and infected eggs were treated with 10 µL of an aqueous solution 1% (m/V) of sodium dodecyl sulfate (SDS) as a control for irritative reactions according to the recommendations[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Compared to the HET-CAM, the HET-CAV has several advantages: (I) easier to handle and a high throughput testing, (II) space saving storage, (III) a complete vascular system with an accessible developi[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Saline was selected as control as recommended by the ICCVAM test protocol ( ICCVAM, 2010 ) for the HET-CAM assay."

sparser
"These findings are in accordance with a study using the PA infected HET-CAM assay ( Härtl et al., 1997 )."

sparser
"Based on the recommendations for the testing of the irritation potential by the ICCVAM for the HET-CAM assay ( ICCVAM, 2010 ), 1% SDS was included in the test setup to investigate the possibility to i[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"In the HET-CAM assay the local application of benzalkonium chloride caused severe irritative reactions at concentrations of 0.5% ( Spielmann et al., 1991 ), by far exceeding the concentrations typical[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"In the HET-CAM the testing of 0.1% tyloxapol containing ophthalmic formulations showed no toxic reactions after local application ( Lorenzo-Veiga et al., 2020 ) which is in accordance with our finding[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The HET-CAM assay, however, revealed a higher biocompatibility range, also indicating Ce6/NE’s potential for cancer treatment through antiangiogenic studies."

sparser
"Ex Vivo Evaluation of the Biocompatibility and Antiangiogenic Activity of Ce6/NE Using the Hen’s Egg Chorioallantoic Membrane Assay (HET-CAM)."

sparser
"The HET-CAM score for NaOH was (+++), while all other groups scored (−)."

sparser
"To test the impact of the selected extracts on the blood glucose level in a living organism, the recently established HET-CAM model was used ( xref ; xref )."

sparser
"Preliminary study of anti-inflammatory effects of the leaf extracts of G. segetum was carried out by using a modified version of the chicken chorioallantoic membrane (HET-CAM) assay and the methanol e[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The HET-CAM model, widely used due to its rapid vascular development and methodological simplicity, has proven to be an effective and accessible tool for evaluating compounds with the potential to modulate angiogenesis, acting as either inhibitors or stimulators [ xref , xref ]."

sparser
"Biocompatibility and antiangiogenic studies were conducted using the HET-CAM assay, determining the irritation score and the tendency to reduce the vascular growth, respectively."

sparser
"While the 2D model indicated compatibility up to 1.0 µg·mL −1 for the Ce6/NE, the HET-CAM model demonstrated biocompatibility up to 5.0 µg·mL −1 , showing the advantages in the use of ex vivo models in drug development [ xref ]."

sparser
"In vitro 2D models showed biocompatibility and increased cell internalization, while ex vivo HET-CAM models revealed greater biocompatibility and antiangiogenic potential, highlighting differences in model responses and the applicable concentrations for anticancer studies."

sparser
"The same parameters as for the HET-CAM assay were registered (H, L and S time in seconds), both with and without pre-treatment of test samples."

sparser
"Hen’s Egg Test on the Chorioallantoic Membrane (HET-CAM)."

sparser
"Thus, the HET-CAM assay was used to assess the cytotoxicity and biocompatibility of the prepared nanoparticles."

sparser
"The two most potent α-glucosidase inhibitors, aqueous extracts from Geum urbanum L. (avens root) and Rhodiola rosea L. (roseroot) were further examined by in-vitro enzyme and cell culture-based assays as well as by in-ovo (hen’s egg test-chorioallantoic membrane; HET-CAM) and in-vivo models ( D. melanogaster ) to pinpoint potential antidiabetic activities."

sparser
"Preliminary screening of ocular biocompatibility was carried out using the Hens Egg Test on the Chorio-Allantoic Membrane (HET-CAM) assay as previously described ( Alvarez-Rivera et al., 2016 )."

sparser
"According to the HET-CAM test, all formulations can be considered as non-irritant for the eyes because none hemorrhage, vascular lyses or coagulation of CAM vessels was observed along the 5 min of the[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"HET-CAM assay is an alternative test used for evaluation of cytotoxicity and anti-inflammatory activities of tested compounds or plant extracts against sensitivity of Chorio Allantoic Membrane (CAM) in order to observe irritation, hemorrhage, blood clotting and vascular lysis in case of damages [ xref ]."

sparser
"The cytotoxicity of O. compressa was tested via HET-CAM assay and the activity is seen in following order; MtOH = non irritant; Aq, EtOAc, n -Hex = weak irritant, and DCM = moderate irritant."

sparser
"The cytotoxicity of Green coffee nanoemulsions was also investigated via HET-CAM assay [ xref ]."

sparser
"Hen’s Egg Test—Chorioallantoic Membrane (HET-CAM)."

sparser
"Various oxidative stress-related parameters (DPPH, ABTS + , CUPRAC, FRAP, MMP, and DCF-DA) and the cytotoxicity (hemolysis and HET-CAM) of PHF were evaluated."

sparser
"Comparison of the different protocols of the Hen's Egg Test-Chorioallantoic Membrane (HET-CAM) by evaluating the eye irritation potential of surfactants."

sparser
"HET-CAM and hemolysis assays revealed no harmful effects of PHF."

sparser
"In 1991, the German Federal Health Office coordinated a study to validate alternative methods to the Draize rabbit's eye test used to classify the substances included in cosmetic and pharmaceutical fo[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The histopathology and HET-CAM results revealed that the prepared formulation is safe for ocular use."

sparser
"HET-CAM Irritation Study."

sparser
"HET-CAM (hen’s egg chorioallantoic membrane) is an in vitro evaluation method."

sparser
"The results of the study are supported by the findings of the HET-CAM results."

sparser
"The in vitro irritation AM-NLopIG, negative control (0.9% NaCl), and positive control (sodium lauryl sulphate, 1% w/v ) were evaluated by using hen egg chorioallantoic membrane (HET-CAM)."

sparser
"The ocular safety of the formulations was determined by BCOP and HET-CAM."

sparser
"Ocular safety was evaluated by two different organotypic cytotoxicity models, Bovine Corneal Opacity and Permeability (BCOP) assay and Hen’s Egg Test—Chorioallantoic Membrane (HET-CAM)."

sparser
"Hen’s Egg Test—Chorioallantoic Membrane (HET-CAM)."

sparser
"In addition, the ocular toxicity studies performed (BCOP and HET-CAM) showed that the formulations are safe."

sparser
"The cytotoxicity study of PHF was conducted by evaluating HET-CAM irritation, TM3 cell morphological changes, and hemolysis."

sparser
"All emulsions showed weak irritant potential in HET-CAM assay."

sparser
"The cytotoxicity study of PHF was also determined by a hemolysis assay using human red blood cells, an ex vivo HET-CAM irritation toxicity assay using fertilized eggs, and cellular morphological changes detected microscopically."

sparser
"Unlabelled Table ADMET absorption, distribution, metabolism, excretion, and toxicity BAY 41–2272 NO-independent heme-dependent sGC stimulator BAY 58–2667 NO-independent heme-dependent sGC activator BB[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"In addition, HET-CAM provides data related to vascular events, including hyperemia, hemorrhage, and coagulation, and it imitates the eye membrane, the conjunctiva [ 75 ]."

sparser
"The result of the HET-CAM assay is shown in xref A and xref ."

sparser
"The HET-CAM is a rapid, simple, and easily executable methodology with relative low-cost that does not cause suffering to animals."

sparser
"The cytotoxicity study of PHF through HET-CAM and hemolysis assays revealed no harmful effect after treatment."

sparser
"Toxicological assessment followed HET-CAM (ICH-endorsed) and ICCVAM guidelines."

sparser
"The HET-CAM assay was developed to investigate the efficacy of our most active arylboronate doxorubicin prodrug 8a using the MiaPaCa-2 pancreatic cancer cell line for tumor production on the CAM as it[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"HET-CAM tests confirmed biocompatibility."

sparser
"Indeed, in the HET-CAM assay, the dose escalation is difficult to study as it can lead to the death of the embryo resulting in a false positive result."

sparser
"In this research, the in vivo toxicity of all tested substances was evaluated using the HET-CAM assay with a sample size of n = 6 eggs per treatment group."

sparser
"A summary of the HET-CAM assay results is presented in xref and xref ."

sparser
"HPLC analysis was used to estimate the doxorubicin release within the tumor collected for the HET-CAM assay using a gradient method composed of acetonitrile as the phase A and water containing 0.1% of[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The HETCAM test indicated no signs of irritation, suggesting the biocompatibility of the developed AgNPs."

sparser
"HETCAM."

sparser
"All HET-CAM toxicity tests were performed on n = 6 samples."

sparser
"The HETCAM provides crucial insights into the irritancy and safety profiles of AgNPs synthesized from GPE."

sparser
"The findings of this study, which employed the HET-CAM test—a recent addition to the field of toxicology—demonstrated that both the HPM and NE-HPM-10 dispersions exhibited signs of irritation."

sparser
"In our work, the HETCAM assay was employed to evaluate the risk of irritation of AgNP‐PRO at the vascular level of the chorioallantoic membrane."

sparser
"The HETCAM assay results confirmed that AgNP‐PRO does not induce any signs of irritation (Figure  xref ), supporting their safety profile and reinforcing their potential as effective leishmanicidal and antimicrobial agents for topical use."

sparser
"Finally, the in vitro ocular tolerance studies showed no signs of irritancy, which was further confirmed by HET-CAM testing."

sparser
"The tolerability of the NPs was assessed via the HET-CAM test, corneal transparency, and histological analysis."

sparser
"On the other hand, the HET-CAM test provided preliminary information about ocular irritancy due to the similarity of the chorioallantoic membrane of an embryonated hen’s egg to the vascular conjunctiv[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"In vitro assays revealed significant antioxidant and antimicrobial activities, particularly against methicillin-resistant Staphylococcus aureus (MRSA), underscoring the potential of nanoemulsification in amplifying the therapeutic efficacy of bioactive compounds derived from H. perforatum L. The non-irritant profile of the formulation, validated through HET-CAM testing, attests to its biocompatibility and clinical safety for topical use."

sparser
"No irritation was observed using the HET-CAM test in the egg treated with both extracts."

sparser
"The HETCAM treated with particles bearing green propolis (Figure  xref ) were comparable to that of negative control (a) and did not show the hemorrhage seen when HETCAM was treated with the particles synthesized with sodium borohydride (c)."

sparser
"In the study by Xie et al. [ xref ], AgNPs were evaluated for their anti‐angiogenic efficacy using the HETCAM assay."

sparser
"Hen’s Egg Test on the Chorioallantoic Membrane (HET-CAM)."

sparser
"To determine if the nanoparticle formulations were well tolerated for ocular use, we conducted a HET-CAM in vitro test."

sparser
"The results obtained with the HETCAM assay underscore the potential of AgNPs for a safe topical administration."

sparser
"The chorion allantois membrane of incubated hen's eggs (HET-CAM) is used as a model to assess antiinflammatory effects, inhibition of the permeability of capillary systems and capillary stabilizing ac[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The biocompatibility of irrigant solutions, including 8.25% sodium hypochlorite (NaOCl), was analyzed in samples (n = 25) of chorioallantoic membranes (CAM) from embryos of the Gallus gallus, using the hen's egg test on chorioallantoic membrane (HET-CAM)."

sparser
"Running further HET-CAM screens with aqueous extracts that closely mirror the traditional preparation methods would provide a more comprehensive insight into the antiinflammatory properties of Hyptis [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Although in the case of B-PLGA-95, a slight loosening of the substantia propria could be observed, the results of the HET-CAM study indicate that the NPs made from B-PLGA-95, B-PLGA-75, and B-PCL are well tolerated and do not have irritation potential in regard to the eye."

sparser
"HETCAM."

sparser
"The HETCAM assay was used to assess the cytotoxic effects of adalimumab‐loaded PLGA NPs on the CAM of fertilized chicken eggs."

sparser
"Cytocompatibility with fibroblasts and HET-CAM tests were performed to assess biocompatibility of blank inserts."

sparser
"Fertilized hen’s eggs (50–60 g; Coren, Spain) were used to perform an irritation test on the chorioallantoic membrane (HET-CAM) ( Steiling, Bracher, Courtellemont et al., 1999 )."

sparser
"The extracts were subjected to toxicity testing using the hen’s egg test on chorioallantoic membrane (HET-CAM) and bovine corneal histology test."

sparser
"Additional methods are potentially valuable but have not been widely used; these include the hen's egg chorioallantoic membrane (HET-CAM) test, which is used for the early detection of irritant effect[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"HET-CAM Test."

sparser
"The HET-CAM irritation test showed that there was little to no irritation with the n-hexane and gently heated QEYO extract in comparison to the negative control."

sparser
"In this research, both the HET-CAM and bovine histology evaluation of the toxicity level were used due to their rapid and accurate significance for measuring toxicity levels."

sparser
"Only two out of four types of in vitro irritation toxicity tests were used in this study: HET-CAM and bovine corneal histology test [ xref , xref ]."

sparser
"Both BCOP and HET-CAM methods are valid and can be reliably applied in research on potential toxic substances."

sparser
"The hen's egg chorioallantoic membrane (HET-CAM) study showed 0 scores (no irritation), and it was further confirmed by corneal hydration and histopathology study."

sparser
"The classic toxicological hen egg test-chorioallantoic membrane assay (HET-CAM) in fertilized eggs to investigate effects on the membrane and its vascular system was originally developed as a replacem[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"A HET-CAM based vascularized intestine tumor model as a screening platform for nano-formulated photosensitizers."

sparser
"The safety profile of the licorice extract was assessed using the in vivo hen egg test-chorioallantoic membrane (HET-CAM protocol), indicating no irritability, good tolerability, and biocompatibility."

sparser
"More specifically, to estimate the biocompatibility and the irritation potential of natural products, the hen egg test chorioallantoic membrane assay (HET-CAM) can be employed, offering characteristics regarding the effect of plant extracts upon the vascular functionality of epithelial tissues [ xref ]."

sparser
"Subsequently, to provide a biological characterization of the licorice root extract, the antioxidant and the antibacterial activity were evaluated in vitro, followed by the irritative potential investigation of the LR extract using the in vivo HET-CAM assay."

sparser
"Irritative Potential Evaluation Using the HET-CAM Assay."

sparser
"The HET-CAM assay was carried out for the evaluated licorice root extract in order to estimate, in a semi-quantitative manner, the potential irritation upon topical application on epithelial tissues."

sparser
"The HET-CAM assessment showed the absence of any impairment towards vascular functionality of the chorioallantoic membrane in terms of hemorrhage, vascular lysis, and coagulability."

sparser
"HET-CAM Irritation."

sparser
"Finally, the HET-CAM assessment showed no irritability of the extract, rendering it safe for topical applications."

sparser
"Lastly, the HET-CAM investigation showed that the methanolic licorice extract possesses no irritability on the chorioallantoic membrane."

sparser
"The Hen's egg test on chorioallantoic membrane (HET-CAM) model provides the generation of vascularized tumor spheroids and therefore, is an ideal test platform which can be used as an intermediate step between in vitro analysis and preclinical evaluation in vivo."

sparser
"We developed a HET-CAM based intestine tumor model to investigate the accumulation and efficacy of nano-formulated photosensitizers."

sparser
"Vasoactive effects were visualized using the Hen's Egg Test - Chorioallantoic membrane (HET-CAM) test."

sparser
"Biocompatibility assays, including hemolysis (<1 %), platelet aggregation, and HET-CAM tests, confirmed the safety profiling of the prepared nanoparticles."

sparser
"The nanocomposites were characterized by morphological analysis, FTIR, Raman Spectroscopy, thermal analysis and cytotoxicity assays (MTT and HET-CAM)."

sparser
"More precisely, the HET-CAM biocompatibility test was performed in the chorioallantoic membrane."

sparser
"Four niosomal drug carriers were assessed in another study by Abdelkader et al. for corneal toxicity by the hen’s egg test chorioallantoic membrane (HET-CAM), bovine cornea opacity and permeability (BCOP), and cornea histological test."
| PMC

sparser
"The irritation of skin caused by microemulsions is a critical issue, and the irritation potential of microemulsions were determined using the HET-CAM assay [ xref ]."

sparser
"Although a majority of the aromatic extracts from H. coronarium induced signs of irritation in the HET-CAM test, the level of irritation was not significantly different from that of the vehicle control."

sparser
"The anti-inflammatory impact was determined using the HET-CAM test."

sparser
"Moreover, the researcher employed the HET-CAM method to evaluate ocular irritation for optimized formulation, as shown in xref [ xref ]."

sparser
"A similar result was replicated in the HET-CAM test where hyperemia was observed in one out of three chorioallantoic membranes, and the irritation mean scores revealed that the optimized formulation was practically non-irritant [ xref ]."

sparser
"The HET-CAM test was used to evaluate the irritation potential of these oils as topical products, showing that these oils can be used as auxiliary medication in cases of cutaneous leishmaniasis, with less side effects and lower costs."

sparser
"Secondly, the biocompatibility was tested on HET-CAM, and rabbit models under modified Draize eye protocol revealed that the in situ gel with T. arjuna was non-irritant for ocular application."

sparser
"HET-CAM was carried out to test ocular irritation and revealed no signs of membrane discoloration or hemorrhage."

sparser
"The Hen’s Egg Test Chorioallantoic Membrane (HET-CAM) assay has been used to assess the irritation potential of substances [ xref ] and plant extracts, and has proven useful in screening natural products [ xref ]."

sparser
"Eye irritation assay was carried out using the HET-CAM test by comparing innovative timolol maleate in situ ocular gel formulation with normal saline."

sparser
"In addition, ocular irritation of the sparfloxacin in situ ophthalmic formulation was assessed by the HET-CAM test."

sparser
"HET-CAM testing was performed, wherein formulated micellar in situ gel showed faintly visible membrane discoloration in one tested egg at 480 min and another egg at 720 min."

sparser
"Thus, the mean score at the end of 720 min of the HET-CAM test was 0.67, which suggested it was a mild irritant."

sparser
"In the present study, 1% w/v SLS, 0.9% w/v NSS, and DI water were used as positive, negative, and vehicle control to ensure the accuracy of the HET-CAM test."

sparser
"Therefore, the HET-CAM test was well validated in the present study."

sparser
"At this concentration, CW was safe for topical applications since it induced no irritation signs on the CAM in HET-CAM test."

sparser
"The techniques used to examine the safety profile of those polymers include the HET-CAM test, gamma scintigraphy study, handheld infra-red (IR) assay, histopathology study, and in vivo eye irritation assay."

sparser
"An ocular irritation study of innovative besifloxacin in situ gel in comparison with sodium hydroxide (NaOH) and normal saline was performed using the HET-CAM test."

sparser
"A chitosan nanoparticulate in situ gelling system formulated by Upadhayay et al. also revealed that the 12th h of the HET-CAM test showed visible membrane discoloration but without hemorrhage, suggesting mild irritation [ xref ]."

sparser
"The HET-CAM assay was used to show the irritation potential of these essential oils because it is rapid and inexpensive."

sparser
"HET-CAM Test ( Hen’s Egg Test—Chorioallantoic Membrane ) ."

sparser
"In order to assess the local LNs toxicity and irritancy, an in vitro test (HET-CAM test) and an in vivo test (Draize test) have been carried out."

sparser
"The cationic lipids seleted for the study (CTAB and DDAB) may raise toxicological concerns therefore HET-CAM and Draize tests were carried out."

sparser
"Stability, rheology, spreadability, in vitro release, ex vivo permeation, and skin retention were evaluated, along with the safety and efficacy in HET-CAM and imiquimod-induced psoriasis murine models."

sparser
"The HET-CAM can provide information about the conjunctiva ocular effects that formulations may develop."

sparser
"Despite the non-irritancy of EGCG-LNs in HET-CAM test, the Draize test was also performed to complement the full understanding of ocular tolerance."

sparser
"The in vitro HET-CAM and in vivo Draize test studies classified both formulations as safe and non-irritant."

sparser
"The alternative for the Draize rabbit eye test is the hen’s egg test using the chorioallantoic membrane (HET-CAM test), an inexpensive and sensitive assay which uses fertilised hen’s eggs [14–16] ."

sparser
"The HET-CAM test is an established test for ophthalmic irritancy, and has shown good correlation to ophthalmic irritation in the vivo situation [14,17–19] ."

sparser
"The HET-CAM test sits between in vivo and in vitro techniques, and is not a licensed procedure."

sparser
"As part of ongoing tests within our laboratories, the ocular irritation potential of the gel was determined using a modified HET-CAM test."

sparser
"The HET-CAM tests demonstrate that the ophthalmic solution is also hypotonic, and causes discomfort from tissue swelling."

sparser
"The HET-CAM test uses the functional vasculature of the chicken’s placenta to represent the ophthalmic situation in vivo."

sparser
"The HET-CAM test is useful as a model for ophthalmic tissue (such as the conjunctiva), since it is a functional membrane complete with vasculature and inflammatory responses, and can be evaluated for [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The endpoints evaluated in the HET-CAM test method are different to those evaluated in the in vivo test method (discharge from the conjunctiva, redness and chemosis), but are thought to correlate well[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The modified HET-CAM test demonstrated that the new formulation is safe for in vivo use."

sparser
"The HET-CAM test evaluates the ability of a test substance to damage blood vessels, and cause haemorrhage, coagulation, hyperaemia or lysis."

sparser
"The biocompatibility of SA-NLPs was further validated through the HET-CAM irritation assay."

sparser
"This study assessed the ocular irritation potential of various ion-activated in situ gelling systems using a HET-CAM, before evaluating their precorneal retention and in vivo performance in rabbits."

sparser
"The NCs were shown to be well tolerated, and no signs of irritancy or alterations of the eye properties were detected by the in vitro HET-CAM test and in vivo Draize test."

sparser
"In Vitro HET-CAM Test."

sparser
"In order to evaluate the ocular tolerability of the developed formulation, the hen’s egg test with a chorioallantoic membrane (HET-CAM) was carried out."

sparser
"The HET-CAM test is based on the direct application of the sample into the chorioallantoic membrane and the observation of reactions such as hemorrhage, intravasal coagulation, or lysis of blood vessels."

sparser
"The in vivo Draize test [ xref ] was performed to confirm the results obtained by the HET-CAM assay."

sparser
"Moreover, these results agree with previous studies developed using PLGA-NCs [ xref , xref ] and also are in concordance with the HET-CAM test confirming the nonirritant potential of PZ-loaded polymeric nanoparticles [ xref , xref ]."

sparser
"All chosen polymer formulations were found to be non-irritant according to the HET-CAM and were therefore classified as safe for in vivo use."

sparser
"To assess the potential irritant effect of the formulations, the HET-CAM test was performed."

sparser
"Adsorption of two of the main proteins of lacrimal fluid (albumin and lysozyme) onto the materials was studied, and biocompatibility was evaluated through cytotoxicity and HET-CAM irritability assays."

sparser
"Furthermore, the HET-CAM test confirmed that non-loaded and loaded HEMA/i-CD HHP hydrogels did not trigger any irritation signs, namely hemorrhage, vascular lysis, or coagulation of CAM vessels ( i.e.[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"HET-CAM assays did not reveal any macroscopic alterations in the chorioallantoic membrane after exposure to formulations containing BCT ( xref )."

sparser
"The aims of this work were (1) to design and characterize physically an ocular insert to administrate PG, (2) to perform HET-CAM studies to examine ocular irritancy of the PG formulation, (3) to study[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The Hen's Egg Test on the Chorio-Allantoic Membrane (HET-CAM) with PG solution and PG insert was carried out to assess the potential ocular irritancy."

sparser
"No formulation induced irritation in the HET-CAM assay or in vivo models, consistent with the non-irritating profile of excipients such as MCT and petrolatum."

sparser
"The HET-CAM, alternative to the Draize eye irritation test, is a test based in the response to injury of the highly vascularized but not innervated foetal membrane which is similar to that elicited by[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"HET-CAM test is used to assess the irritation that can be caused by ocular drug solutions and formulations ( Kalweit et al., 1990 )."

sparser
"Ocular tolerability of PFD-LCNPs was evaluated by the Hen’s Egg Test-Chorioallantoic Membrane test (HET-CAM test) described by Silva et al. (2019) ."

sparser
"The formulation of PFD-LCNPs was found to be nano-sized, uniformly dispersed, spherical form and exhibited low ocular irritating properties as evaluated by the HET-CAM."

sparser
"The study also examined the irritation potential of the NPs using the HET-CAM test, which confirmed the safety of all the nano-formulations for topical therapy."

sparser
"The optimal formulation was further assessed for characterization study, release study, permeation study, HET-CAM test, and in vivo study."

sparser
"The fertilized hen's egg test on the chorioallantoic membrane (HET-CAM) xref , xref was used to determine the irritation effect of black D. longan seed extracts."

sparser
"Therefore, HET-CAM (Hen’s Egg Chorioallantoic membrane test) qualitative test and HET-CAM quantitative test (HET-CAM TBS) were performed."

sparser
"The hen’s egg test on chorioallantoic membrane (HET-CAM) assay is a simple and versatile alternative to animal testing [ xref ]."

sparser
"HET-CAM is an inexpensive, short-term in vivo method for predicting the ocular irritant effect of chemicals as an alternative to the classic Draize test in rabbits [ xref , xref ]."

sparser
"The designed mini-implant alloy, exposed to the perfused chorioallantoic membrane, showed no sign of irritation and no alteration of vascular parameters in the HET-CAM assay ( xref )."

sparser
"Regarding the biosafety properties of the mini-implant, current in vitro and in vivo evaluations have shown that the sample extraction medium did not induce impairment of the HGF cell viable population or irritative potential when using the HET-CAM protocol, supporting thus the use of the custom-made mini-implant alloy in further experimental clinical applications."

sparser
"In Ovo Evaluation of Antitumour Efficacy in the HET-CAM Model Using U-87 MG and U-373 MG Glioblastoma Xenografts."

sparser
"Given the additive/synergistic antiproliferative effect of the combination of CBD and PTX observed in vitro, along with their compatibility for co-delivery demonstrated by DSC analysis, their antitumour effects were subsequently assessed in the in ovo HET-CAM model."

sparser
"The HET-CAM model has emerged as a compelling alternative to conventional in vivo assays for cancer research, providing a biologically relevant and ethically sound platform for evaluating growth and metastatic potential of tumours, angiogenesis, and the antitumour efficacy of novel therapies, circumventing the need for animal experimentation [ xref , xref ]."

sparser
"The HET-CAM test and the BCOP assay results showed that they are neither irritating nor produces any alteration or change in the transparency and permeability of the cornea."

sparser
"In this study, HET-CAM model has been used to verify the synergistic effect of the CBD + PTX combination therapy following topical administration as an intermediate model between in vitro and in vivo models."

sparser
"HET-CAM Assay."

sparser
"The Hen’s Egg Test - Chorioallantoic Membrane (HET-CAM) assay was used as an alternative toxicological method to assess potential inflammatory or irritant properties."

sparser
"The Draize test was interchanged with the HET-CAM method for reducing the usage of experimental animals for safety assessment."

sparser
"In addition to the in vitro skin irritation test, the in ovo HET-CAM method was employed."

sparser
"The HET-CAM method has become widely embraced as a substituent of the in vivo Draize test, being extensively applied to evaluate the irritation potential of various substances ( xref )."

sparser
"The HETCAM test was applied herein for the evaluation of the local irritant potential of the ASA 2.5 mM + FIS 20 µM combination, considering its specific application in the assessment of the potential mucosal irritation and local toxicity of various formulations [ xref ]."

sparser
"In vitro toxicities of CeO 2 NPs and Glu-CeO 2 NPs were investigated by using WST-1 (2-(4-iodophenyl)-3-(4-nitrophenyl)-5-(2,4-disulfophenyl)-2H-tetrazolium, monosodium salt), hemolysis and HET-CAM (Hen's egg-chorioallantoic membrane) tests."

sparser
"Before preparing the ophthalmic formulations, a preliminary biocompatibility test of the nanogels was carried out following the ICCVAM-recommended HET-CAM protocol ( NICEATM-ICCVAM, 2012 )."

sparser
"HET-CAM Assay."

sparser
"HET-CAM assay results show that the new formulation of indomethacin-loaded Dex-St-GTMAC did not cause any ocular toxicity, including hyperemia, hemorrhage, or clotting/coagulation in egg embryos."

sparser
"Given the high accuracy of the HET-CAM assay, our new formulation is considered safe and nonirritant for ophthalmic administration. xref shows the calculated average cumulative score of stimulations that occurred with each formulation."

sparser
"CMGG was comparatively evaluated with GG for ex vivo ocular tolerance by Hen's egg test-chorioallantoic membrane (HET-CAM) and for cytotoxicity by resazurin assay."

sparser
"Hemocompatibility of the implants was evaluated by hemolytic activity measurements and Hen's egg test on the chorioallantoic membrane (HET-CAM)."

sparser
"Furthermore, HET-CAM and the modified Draize test confirmed that F1 and F2 were safe for ocular administration."

sparser
"Moreover, in ovo HET-CAM assays are a suitable method to predict tissue toxicity [ xref ]."

sparser
"The authors also performed the HET-CAM (Hen’s egg test chorioallantoic membrane) bioassay, as an alternative test to the Draize in vivo rabbit eye test, for the detection of ocular irritants."

sparser
"In addition, the in vitro ocular tolerance test carried out on the fertilized chicken eggs (HET-CAM study) indicated the non-irritant nature of fabricated NPs."

sparser
"Finally, the formulations presented no irritant effect in the HET-CAM assay."

sparser
"Ex vivo ocular tolerance of gellan gum with CMGG and control solutions of irritant (NaOH) and non-irritant (NaCl) was assessed employing hen's egg test on chorioallantoic membrane (HET-CAM) assay [17][MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Thus to check whether carboxymethylation affects the irritation potential of gellan gum, CMGG was comparatively evaluated with gellan gum for ex vivo ocular tolerance employing HET-CAM assay."

sparser
"HET-CAM method can be used as an alternative to Draize rabbit eye test for evaluating the potential eye irritation of formulated compounds that are to be instilled in eye [18] ."

sparser
"The test by the HET-CAM confirmed no skin irritation of the complex extract."

sparser
"In order to confirm the safety of antler-type fruiting body G. lucidum BG for further cosmeceutical application, the irritation and toxicity tests were performed in vitro through the HET-CAM assay and MTT assay, respectively."

sparser
"The HET-CAM test confirmed that the G. lucidum BG did not cause skin irritation."

sparser
"The biocompatibility and bioactivity of the developed system are evaluated using human keratinocytes (HaCaT), fibroblasts (HFF-1), rat pheochromocytoma (PC12), and the hen’s egg test on chorioallantoic membrane (HET-CAM)."

sparser
"Additionally, no eye or skin irritation was observed in the HET-CAM and enclosed skin patch tests, and the mice’s gradual weight gain in the animal experiments demonstrated the high biosafety of GLH."

sparser
"The HET-CAM test is a suitable method for providing insights into the irritant effects of substances and formulations on the human conjunctiva."

sparser
"The results of the HET-CAM and in vivo ocular tolerance studies indicated that the developed MeltSerts were non-irritant and safe for ocular use."

sparser
"HET-CAM method for assessing skin irritation."

sparser
"Similarly, an HET-CAM test was used to evaluate the safety of the prepared nanogels, which showed that the prepared nanogels have no toxic effect on the chorioallantoic membrane of fertilized chicken eggs."

sparser
"The irritation potential was determined by using the HET-CAM assay evaluating strength of reactions according to the ICCVAM test protocol xref ."

sparser
"HET-CAM Test."

sparser
"Similarly, safety of the prepared nanogels was investigated by the HET-CAM test, which proved the safe use of nanogels for oral administration of CFN."

sparser
"HET-CAM studies confirmed the gel’s nonirritant nature, while anti-inflammatory assays revealed a significant reduction in pro-inflammatory markers (e.g. IL-6, TNF-α, PGE2) and an increase in IL-10 in LPS-treated RAW 264.7 cells."

sparser
"NC-FA and NC-B were able to interact with mucin, which is an indicative of mucoadhesive properties and the association of FA with nanocapsules showed decreased irritation by HET-CAM method."

sparser
"Cho et al. xref evaluated the ocular irritation potential of five C 6 –C 16 APGs products using the Hen's Egg Test-Chorioallantoic Membrane (HET-CAM) and Bovine Corneal Opacity and Permeability (BCOP) assays."

sparser
"Average particle size of the micelle ranged from 10 to 20 nm, 43.5 mPas dynamic viscosity, osmolality of 319 mOsm/Kg, pH 7.4 and cloud point of 59.7 °C. The optimized formulation demonstrated in-vitro safety as confirmed by MTT cell viability and HET-CAM ocular irritation assays, and exhibited physicochemical stability for up to 6 months under real-time storage conditions."

sparser
"Additionally, ASX significantly attenuated CPF-induced anti-angiogenic effects in the in ovo Hen’s Egg Test Chorioallantoic Membrane (HET-CAM) assay."

sparser
"The potential of the selected nanoemulsion (NE-C-OA) for causing irritation to the administration site was studied using the HET-CAM method, in which the time-dependent occurrence of endpoints of vasc[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Its treatment for 48 h with the unloaded NE-C-OA ( Fig. 7 B) did not induce pronounced changes in the tissue, corroborating results from HET-CAM that point to the overall safety of the nanoemulsion fo[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The mask demonstrates strong antioxidant properties, with a DPPH radical scavenging rate of approximately 90 %, and excellent biocompatibility, as shown by its mild pH, high cell viability in fibroblast cultures, and non-irritating nature in HET-CAM assays."

sparser
"In Ovo HET-CAM Assay."

sparser
"The ocular irritancy test of fabricated DFB-NPs and DFB-LPHNPs is carried out by the HETCAM method, which is a qualitative assessment of the potential irritancy caused by a formulation that may be du[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The in vitro irritancy potential of each selected formulation (nNE, aNE, cNE and ME, the exact same batches that were used on MucilAir™), was also assessed by the HET-CAM assay (Fig.  xref )."

sparser
"Considering the safety results obtained on MucilAir™ and HET-CAM tests, the acute cytotoxicity potential in brain tissue of the ME and one representative NE (the nNE) was further evaluated in mixed primary cultures of neurons and glial cells."

sparser
"The HET-CAM test was performed for DFB-NPs, DFB-LPHNPs, negative control (0.9% NaCl), and positive control (1% NaOH) simultaneously to compare the effects in CAM."

sparser
"This feature also dictated that the nNE and the ME developed in the present work required a high proportion of aqueous phase, which resulted in them having low irritancy profiles, even in the HET-CAM model that is a surrogate of ophthalmic irritation potential."

sparser
"On the other hand, the formulations with the lowest irritancy scores in the HET-CAM model (the ME and the reference formulation Vicks) had no measurable effects on the in vitro nasal respiratory mucosa model."

sparser
"This means that it might be worth investing in validating the simple HET-CAM model as an in vitro screening test of the safety of intranasal formulations, even though other tests with more specific outputs might be complementary used, such as the effects of formulations on nasal ciliary function [ xref , xref ], which we have not addressed in our work."

sparser
"The images of HET-CAM studies are shown in Fig. 9 ."

sparser
"Replacing animal testing, their ocular tolerance was assessed via the bovine corneal opacity and permeability (BCOP) assay, the HET-CAM (hen’s egg test – chorioallantoic membrane), and hemolytic poten[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Samples were classified according to the standard HET-CAM irritation scale (non-irritant, slight, moderate, strong irritant)."

sparser
"Ocular irritation of the developed formulation was checked by HET-CAM test ( Fig. 10 )."

sparser
"HET-CAM is a rapid, sensitive and inexpensive method for assessing the irritation potential of ophthalmic formulation [48] ."

sparser
"Additionally, the irritation test by HET-CAM was mild and safe."

sparser
"The HET-CAM assay was used to evaluate the irritation potential of BA, UA, OA, and their derivatives against a biological model (the chick embryo chorioallantoic membrane—CAM)."

sparser
"Irritation study by hen's egg chorioallantoic membrane (HET-CAM) assay."

sparser
"The HET-CAM test is a method using the chorioallantoic membrane (CAM) of fertilized eggs to assess the irritant effects of substances."

sparser
"The irritation of RM and MNPs were investigated using the HET-CAM assay according to Steiling et al. xref and Somwongin et al. xref with some modifications."

sparser
"The results of the HET-CAM test indicated an IS of 0 for both derivatives, placing them in the category of non-irritating compounds [ xref ]."

sparser
"The HET-CAM test is analogous to the Draize rabbit-eye test. xref In this study, RM and MNPs were dispersed in 20% (v/v) polysorbate."

sparser
"The results showed that the HET-CAM test was reliable in predicting irritation."

sparser
"The HET-CAM assay serves as a reliable and ethical alternative to traditional Draize rabbit eye and skin irritation tests, aligning with the 3Rs principles (Interagency Coordinating Committee on the Validation of Alternative Methods (ICCVAM), ICCVAM-Recommended Test Method Protocol: Hen’s Egg Test-Chorioallantoic Membrane (HET-CAM) Test Method."

sparser
"Chicken eggs in their 10th day of fecundation to be used in HET-CAM assay were kindly donated by Avifran (Planaltina, Brazil)."

sparser
"The HET-CAM assay is widely used to assess the irritating potential of topical formulations, avoiding tests on living animals with the same purpose ( Vinardell & Macián, 1994 )."

sparser
"Biological activities indicate that MNPs had significantly higher radical scavenging activity and anti-collagenase activity than l -ascorbic acid as a positive control, as well as no irritation in the HET-CAM test."

sparser
"The HET-CAM test is widely used to assess in vitro toxicity."

sparser
"The HET-CAM test is a fast and sensitive procedure that provides useful preliminary information about irritation."

sparser
"The CAR pro-phytomicelle formulation, as well as each of its constituents, did not cause irritation in the HET-CAM test."

sparser
"Irritation Study by Hen’s Egg Test–Chorioallantoic Membrane (HET-CAM)."

sparser
"The HET-CAM test is an alternative method to the Draize test to evaluate ocular irritation [ xref , xref ]."

sparser
"Finally, the tolerance of the formulations on the ocular tissues was evaluated by the HET-CAM technique, as well as through the histological analysis of the cornea and sclera and the cornea transparency."

sparser
"We also investigated the tolerability of the developed formulations on the eye by alternative in vitro methods, such as the HET-CAM technique and the evaluation of the cornea transparency."

sparser
"The potential irritant effect of the formulations on the eyes was evaluated by the HET-CAM method, which consisted of applying the liposomes on the chorioallantoic membrane of 10-day embryonated eggs."

sparser
"The values of the IS obtained after the HET-CAM test are reported in xref ."

sparser
"The HET-CAM technique is an ideal model for testing ocular irritation since the chorioallantoic membrane is a highly vascularized structure and it is sensitive to chemicals such as the conjunctiva [ xref ]."

sparser
"Both liposomes are supposed to be well-tolerated since no irritant potential was detected by the HET-CAM technique nor was any change observed in the histological analysis after the application of the liposomes on the corneal and scleral tissues."

sparser
"The HET-CAM assay is used to predict the toxicity of different excipients or formulation compositions during research and formulation development."

sparser
"Ex-vivo permeation studies from bovine cornea showed a 1.8fold increase in corneal permeation of LD while ocular irritancy by hen egg chorioallantoic membrane (HET-CAM) test and histopathological analysis confirmed nonirritant and nontoxic nature of THT-960."

sparser
"HET-CAM assay is a useful test for reducing the number of experimental animals."

sparser
"The HET-CAM Test of TA and TA Microcapsules."

sparser
"The safety of NEs was investigated by the modified Draize test and hen's egg test-chorioallantoic membrane (HET-CAM)."

sparser
"Furthermore, HET-CAM and modified Draize test confirmed that F1 and F2 were safe for ocular administration."

sparser
"The HET-CAM test was used to detect possible irritation that may occur to ocular tissue upon application of the optimized systems (Epl-loadedEpl-loaded COSL-MNLCs and Epl-loaded HA-MNLCs), predicting their potential safety."

sparser
"The HET-CAM test indicated that when the effective concentration of TA was ≥2%, TA microcapsules eliminated the protein flocculation caused by TA."

sparser
"Because of the protein modifying properties of quinones, a substantial bioactivity in the HET-CAM and 5-LOX assay was to be expected."

sparser
"The nanoformulation exhibited a good safety profile and negligible irritative potential, as evidenced by the low irritation score (IrS) value obtained during the HET-CAM irritation assay."

sparser
"NaOH solution is commonly considered a standard for irritation and inflammation in the HET-CAM assay ( xref ; xref ; xref )."

sparser
"The study also assessed the irritation potential of these agents using the HET-CAM model, classifying them as moderate irritants."

sparser
"Finally, SPdS, SPoS, and CBX were classified as moderate irritants when combined in the HET-CAM assay, indicating that the future application of these products in food protection could be feasible and relatively safe."

sparser
"The Hen's Egg Test on the Chorioallantoic Membrane (HET-CAM) assay is a cheap and easy to perform in vivo test for screening of the anti-inflammatory potentials, anti-irritant properties as well as oc[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"This Hen’s Egg Test (HET-CAM test) was first reported by Luepke [ xref ]."

sparser
"The HET-CAM assay does not only provide data on the efficacy of test compounds in vivo but also on their toxicity, membrane irritation-vascular hemorrhaging, membrane lysis and membrane coagulation in[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"CAM's potential to stimulate especially the absorption step of pharmacokinetic profile of the test material which cannot be achieved by an in vitro assay should make us accept HET-CAM test as a crosso[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Following the selection of the optimum formulation, the optimum DS loaded PLGA NP has been investigated for its anti-inflammatory and irritancy potentials using in vivo HET-CAM assay."

sparser
"To the best of our knowledge this is the first report on the in vivo anti-inflammatory evaluation of DS loaded PLGA NP using in vivo HET-CAM assay."

sparser
"The fertilized eggs used in the HET-CAM test were obtained from Has Tavuk Company (Bursa and Sivrihisar, Turkey)."

sparser
"However, the most important innovative aspect is the evaluation of anti-inflammatory activity of the prepared NP system by HET-CAM assay."

sparser
"The anti-inflammatory activity of NP-blank, NP-1 and DS were examined using the in vivo HET-CAM assay."

sparser
"Previously, Gupta et al. reported the ocular tolerance of biodegradable levofloxacin loaded PLGA NPs was evaluated by using in vivo HET-CAM test ( Gupta et al., 2011 )."

sparser
"We also reported the anti-inflammatory activity of dexketoprofen trometamol loaded different molecular weight chitosan NPs by using in vivo HET-CAM assay in our latest study ( Öztürk and Kıyan, 2020 )[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The anti-inflammatory activity of NP-1 was examined using the in vivo HET-CAM assay."

sparser
"Furthermore, SPoS and SPdS, combined with CBX, were moderate irritants in the HET-CAM model."

sparser
"The HET-CAM represents a suitable model to investigate the irritation potential and toxicity of substances and formulations. xref Some studies have used HET-CAM to evaluate the toxicity of products, focusing on foods such as a biosurfactant produced by Saccharomyces cerevisiae URM6670 for cookies and muffins, xref Dorema ammoniacum gum resin for the food industry, xref and β-glucan from the mushroom Ganoderma lucidum . xref "

sparser
"The HET-CAM VT assay is an internally developed in vitro assay in which different vascular toxicity endpoints (hemorrhage, lysis and coagulation; Table 1 ) are evaluated during 60 min following admini[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"The HET-CAM VT is based on the standard HET-CAM VT assay that is used to predict eye irritation potential of compounds ( Luepke et al., 1985; Spielmann et al., 1991, 1993 )."

sparser
"Although the maximum numerical score in the HET-CAM VT is 300 (100 for each endpoint), formulations with known irritants (e.g., positive control 10% DMF) that cause severe irritation in vitro and in v[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Since any compounds with a score between 175 and 300 cause severe irritation and in practice very few compounds exceed a score of 175, 175 was used as an upper limit to normalize the HET-CAM VT irrita[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Therefore, to calculate the HET-CAM VT irritation index at 60 min, the Irritation Score for a given formulation was divided by 175 and then the resultant value was multiplied by 5."

sparser
"All mentioned effects were connected with minimal negative effect, as shown by the HET-CAM irritation test."