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| Content Provider | OECD iLibrary |
|---|---|
| Organization | OECD |
| Abstract | Cette Ligne directrice révisée a été conçue afin de caractériser pleinement la toxicité par inhalation de la substance d’essai suite à une exposition subchronique (90 jours), et de fournir des données fiables pour l’évaluation quantitative des risques liés à l’inhalation. Des groupes de rongeurs (10 mâles et 10 femelles) sont exposés 6 heures par jour pendant une période de 90 jours a) à la substance d’essai à trois niveaux de concentration ou plus, b) à de l’air filtré (témoin négatif), et/ou c) au véhicule (groupe témoin du véhicule). Les animaux sont exposés en général 5 jours par semaine, mais il est aussi permis de les exposer 7 jours par semaine. Des mâles et des femelles sont toujours utilisés, mais peuvent être exposés à des niveaux de concentration différents si l’un des sexes est connu pour être plus sensible à une substance d’essai donnée. Les résultats de l’étude incluent des mesures et des observations quotidiennes détaillées (hématologie et chimie clinique) ainsi qu’une autopsie générale, de l’ophtalmologie, le poids des organes et de l’histopathologie. Afin de mieux caractériser la toxicité de la substance d’essai, la Ligne directrice laisse la possibilité d’inclure des groupes satellites (étude de réversibilité), des sacrifices en cours d’essai, des lavages broncho-alvéolaires, des tests neurologiques et des évaluations histopathologiques ou de pathologie clinique supplémentaires. |
| Page Count | 17 |
| ISSN | 20745842 |
| e-ISBN | 9789264070813 |
| Language | French |
| Publisher | OECD Publishing |
| Publisher Date | 2009-09-08 |
| Access Restriction | Open |
| Subject Keyword | Environment |
| Content Type | Text |
| Resource Type | Book |
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