Tag: FDA bioequivalence

Generic Absorption Rates: How They Must Match Brand Drugs to Ensure Safety and Effectiveness

Eldon Vespers 15 March 2026 8

Generic drugs must match brand-name absorption rates within strict FDA limits (80-125%) to be approved. Real-world data shows differences are usually under 5%, making generics just as safe and effective.

Pharmacokinetic Studies: The Real Story Behind Generic Drug Equivalence

Eldon Vespers 7 February 2026 11

Pharmacokinetic studies are the main way regulators prove generic drugs work like brand-name versions, but they aren't perfect. Learn how Cmax and AUC are measured, where the method fails, and what's replacing it for complex drugs.