Guide on OTC Maximal Usage Drug Trials
Federal Register notice: FDA has made available a draft guidance for industry entitled “Maximal Usage Trials for Topical Active Ingredients Being Considered for Inclusion in an Over-the-Counter Monograph: Study Elements and Considerations.” The document addresses FDA’s current thinking on the conduct of in vivo absorption trials for topical active ingredients that are under consideration for inclusion in an over- the-counter monograph. To view the notice, click here.