Drugs
CDER Supports PBPK Modeling for Generic Bioequivalence
CDER is embracing industry’s use of physiologically based pharmacokinetic (PBPK) modeling as an alternative bioequivalence (BE) approach after approving a Perrigo Pharma ANDA for generic diclofenac sodium topical gel that does not include a comparative clinical endpoint BE study. In a just-published regulatory research post, FDA researchers say