Topical Active Ingredients for OTC Monograph Guide

Federal Register notice: FDA has made available a final guidance entitled “Maximal Usage Trials for Topically Applied Active Ingredients Being Considered for Inclusion in an Over-the-Counter Monograph: Study Elements and Considerations.” The document discusses the conduct of in vivo absorption trials for topically applied active ingredients that are under consideration for inclusion in an over-the-counter monograph. To view the notice, click here.

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Guide on Biosimilar Postapproval Manufacturing Changes

FDA has released a final guidance entitled “Postapproval Manufacturing Changes to Biosimilar and Interchangeable Biosimilar Products — Questions and Answers.” The document explains how manufacturers should document and report changes to approved biosimilars, including changes involving manufacturing processes, production facilities, dosage forms and strengths. Regarding information required for postapproval manufacturing changes,