Mexico Updates NOM-177: What’s Changing and How It Impacts the Pharmaceutical Industry

COFEPRIS

On December 16,2025, COFEPRIS published the Draft Mexican Official Standard PROY-NOM-177-SSA1-2025, a major update to the regulatory framework governing bioequivalence, comparative bioavailability, BCS-based biowaivers, and comparative dissolution studies. The draft, currently under public consultation, will replace NOM-177-SSA1-2013 and further align Mexico with FDA and EMA standards.