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| Content Provider | Springer Nature Link |
|---|---|
| Author | Barroso, João Pfannenbecker, Uwe Adriaens, Els Alépée, Nathalie Cluzel, Magalie Smedt, Ann Hibatallah, Jalila Klaric, Martina Mewes, Karsten R. Millet, Marion Templier, Marie Mce, Pauline |
| Copyright Year | 2016 |
| Abstract | A thorough understanding of which of the effects assessed in the in vivo Draize eye test are responsible for driving UN GHS/EU CLP classification is critical for an adequate selection of chemicals to be used in the development and/or evaluation of alternative methods/strategies and for properly assessing their predictive capacity and limitations. For this reason, Cosmetics Europe has compiled a database of Draize data (Draize eye test Reference Database, DRD) from external lists that were created to support past validation activities. This database contains 681 independent in vivo studies on 634 individual chemicals representing a wide range of chemical classes. A description of all the ocular effects observed in vivo, i.e. degree of severity and persistence of corneal opacity (CO), iritis, and/or conjunctiva effects, was added for each individual study in the database, and the studies were categorised according to their UN GHS/EU CLP classification and the main effect driving the classification. An evaluation of the various in vivo drivers of classification compiled in the database was performed to establish which of these are most important from a regulatory point of view. These analyses established that the most important drivers for Cat 1 Classification are (1) CO mean ≥ 3 (days 1–3) (severity) and (2) CO persistence on day 21 in the absence of severity, and those for Cat 2 classification are (3) CO mean ≥ 1 and (4) conjunctival redness mean ≥ 2. Moreover, it is shown that all classifiable effects (including persistence and CO = 4) should be present in ≥60 % of the animals to drive a classification. As a consequence, our analyses suggest the need for a critical revision of the UN GHS/EU CLP decision criteria for the Cat 1 classification of chemicals. Finally, a number of key criteria are identified that should be taken into consideration when selecting reference chemicals for the development, evaluation and/or validation of alternative methods and/or strategies for serious eye damage/eye irritation testing. Most important, the DRD is an invaluable tool for any future activity involving the selection of reference chemicals. |
| Starting Page | 521 |
| Ending Page | 547 |
| Page Count | 27 |
| File Format | |
| ISSN | 03405761 |
| Journal | Archives of Toxicology |
| Volume Number | 91 |
| Issue Number | 2 |
| e-ISSN | 14320738 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-03-21 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | UN GHS/EU CLP Drivers of classification Eye irritation/serious damage to the eye Draize eye test Reference Database Validation of alternative methods Chemicals selection Pharmacology/Toxicology Occupational Medicine/Industrial Medicine Environmental Health Biomedicine |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Medicine Toxicology |
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