Guidance on Cyclosporine Bioequivalence Posted

FDA has released a draft guidance on Cyclosporine Bioequivalence Recommendations for generic cyclosporine 0.05% emulsion/ophthalmic products. The document offers two options — an in vitro or in vivo study for demonstrating bioequivalence. The agency says that in order to qualify for the in vitro option, the test and reference-listed drug (RLD) formulations should be qualitatively and quantitatively the same. Also, the comparative study should be performed on at least three exhibit lots of both test and RLD products.

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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,