Generic Equivalence
Definition
The demonstration that a generic drug delivers the same amount of active ingredient to the bloodstream at the same rate as the brand-name product. The FDA requires generic drugs to have an AUC and Cmax within 80-125% of the reference drug to be considered bioequivalent.
Example
Generic omeprazole must demonstrate that its absorption profile is within the 80-125% bioequivalence window of brand Prilosec.
Related Terms
Mentioned in Guides
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Generic vs. Brand Name DrugsGeneric drugs contain the same active ingredient as their brand-name counterparts and must meet rigorous FDA standards. Understanding how generics …
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Generic Drugs: Safety, Savings, and MythsGenerics account for over 90% of US prescriptions yet cost a fraction of brand-name drugs. This guide explains FDA bioequivalence …
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Biosimilar Drugs: Affordable BiologicsBiologics revolutionized treatment for cancer, autoimmune disease, and diabetes, but their cost can be prohibitive. Biosimilars offer comparable effectiveness at …