Title: International regulatory and scientific effort for improved developmental neurotoxicity testing
Citation: TOXICOLOGICAL SCIENCES vol. 167 no. 1
Publication Year: 2018
JRC N°: JRC112717
ISSN: 1096-6080 (online)
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC112717
DOI: 10.1093/toxsci/kfy211
Type: Articles in periodicals and books
Abstract: The Organisation for Economic Co-operation and Development (OECD) coordinates international efforts to enhance developmental neurotoxicity (DNT) testing. In most regulatory sectors, including the ones dealing with pesticides and industrial chemicals registration, historical use of the in vivo DNT test guideline has been limited. Current challenges include a lack of DNT data for a number of chemicals, lack of mechanistic information, and difficulty in interpreting results. A series of workshops in the last decade has paved the way for a consensus among stakeholders that there is need for a DNT testing battery that relies on in vitro methods and is complemented by alternative species assays. Preferably, a battery of in vitro and alternative assays should be anchored towards mechanistic relevance for applying an integrated approach for testing and assessment (IATA) framework. Specific activities have been initiated to facilitate this OECD project: the collation of available DNT in vitro methods and their scoring for readiness; the selection of these methods to form a DNT testing battery; the generation of a reference set of chemicals that will be tested using the battery; the case studies exemplifying how DNT in vitro data can be interpreted; and the development of an OECD guidance document. This manuscript highlights these international efforts and activities.
JRC Directorate:Health, Consumers and Reference Materials

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