IntelGenx Resubmits NDA for Migraine Drug

FDA has accepted for review an IntelGenx 505(b)(2) NDA resubmission for Rizaport VersaFilm (rizatriptan ) an oral disintegrating film for treating acute migraine. Rizatriptan is the active ingredient in Merck’s migraine drug Maxalt-MLT. IntelGenx says the selective 5-HT1B/1D receptor agonist demonstrates the highest efficacy and exhibits the shortest Tmax providing quick onset of action for migraine sufferers compared to other triptan-based oral medications. FDA has a set a user fee review action target date of 3/26/2020.

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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,