Zonegran Not Withdrawn Due to Safety/Efficacy: FDA

Federal Register notice: FDA has determined that Sunovion Pharmaceuticals’ Zonegran (zonisamide) capsules, 50mg, were not withdrawn for safety or effectiveness reasons. The determination means that FDA will continue to approve ANDAs that refer to the product as long as they meet relevant legal and regulatory requirements. The drug is indicated as adjunctive therapy in treating partial seizures in adults with epilepsy. 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,