1. Evaluations of organ system development in juvenile toxicology testing
- Author
-
Keith Robinson
- Subjects
medicine.medical_specialty ,Pathology ,Drug-Related Side Effects and Adverse Reactions ,Drug Evaluation, Preclinical ,Biology ,Toxicology ,Pediatrics ,Toxicology studies ,Mice ,Dogs ,Animals, Laboratory ,Toxicity Tests ,medicine ,Animals ,Humans ,Juvenile ,Potential evaluation ,European Union ,Child ,Intensive care medicine ,Organ system ,Toxicology testing ,Medical screening ,Age Factors ,Animal Structures ,food and beverages ,United States ,Rats ,Functional development ,Investigation methods ,Pharmaceutical Preparations ,Research Design ,Drug and Narcotic Control - Abstract
Juvenile toxicology studies for pharmaceutical and biotechnology products are becoming more commonly conducted. Regulatory guidance indicates a case-by-case approach to program and study design. Routine toxicology assessments can be applied to these studies, in addition the functional development of a series of organ systems, including nervous (behavior/cognition), cardiovascular, gastro-intestinal, pulmonary, renal, immune, skeletal (growth) and reproductive, have been identified for potential evaluation. Typically these tests can be added to both rodent and non-rodent studies, however there are some limitations. Testing of reproductive and behavioral development is routine in rodents but for non-rodents can present some problems. Toxicokinetics are typically incorporated in these studies and metabolic assessments, such as enzyme induction, can also be added to provide information on hepatobiliary development. It is concluded that, whilst the development of various organ systems can be evaluated, care in the use of these evaluations in juvenile toxicology testing programs is needed to ensure appropriate studies.
- Published
- 2008