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A new ToxChats© podcast episode featuring Discussions on Identifying Seizures Liability in Nonclinical Studies is now available to stream online.
Drug-induced seizures are a major concern for central nervous system active pharmaceuticals during development. Currently, there are no guidelines for interrogating and mitigating seizure liability associated with new pharmaceuticals. Because of the risks to patient safety during clinical trials, the understanding of nonclinical characterization that informs the translation of risks to humans is an area of intense interest among drug developers and regulators. A Continuing Education course was held at the 2022 ACT Annual Meeting in Denver, Colorado, where Dr. Delatte presented on identifying seizure liability in nonclinical studies. In this interview with Dr. Delatte, we discuss nonclinical findings that are indicative of seizure liability and appropriate approaches to characterize risks. Many drug classes carry seizure liability which may trigger preliminary studies, such as kindling studies, to understand risks prior to conducting a repeat-dose toxicology study. A description of premonitory signs of seizure in dose-range findings and repeat-dose toxicology studies is also discussed. Finally, this talk briefly discusses when nonclinical EEG studies are warranted and how to leverage the data from general toxicology studies to design an informative EEG study. Learning objectives of this talk are: (1) set up a drug development program for drugs in a class with seizure liability; (2) identify seizure liability in nonclinical studies; and (3) examine the elements from general toxicology studies that inform the pivotal EEG study.
Stream the Episode
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