Developmental Immunotoxicity (DIT) Testing: Current Recommendations and the Future of DIT Testing.

Immune-based childhood diseases and conditions, including allergic diseases and asthma, recurrent otitis media, pediatric celiac disease, and type 1 diabetes have been on the rise over the past decades. As a result, the use of developmental immunotoxicity (DIT) testing to identify potential environmental risk factors contributing to these and other diseases has become a priority for scientists across sectors. This chapter serves to provide insight into the scientific basis for DIT and determining the necessity of DIT testing and offers recommendations for DIT testing parameters to optimize sensitivity, power, and concordance among DIT assays.