Complete Response Letter for AZ COPD Drug

FDA has issued a complete response letter to AstraZeneca for its NDA for PT010 (budesonide/glycopyrronium/formoterol fumerate), an inhaled triple-combination therapy for patients with chronic obstructive pulmonary disease. The company says the NDA included data from the KRONOS Phase 3 trial. It says AstraZeneca will now work closely with FDA on next steps, including submitting for review recent results from ETHOS, a second positive Phase 3 trial that was not completed at the time the NDA was submitted.

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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,