FDA Spells Out Biosimilar Supplement Filing Rules
Published Date: 9/9/2025
Notice
Summary
The FDA just released final guidance to help companies classify and submit supplements for biosimilar drugs under new rules from BsUFA III. This update affects anyone making changes to approved biosimilar products and sets clear deadlines for reviews, helping speed up the process. The new rules started in 2023 and aim to make reviews smoother without extra fees.
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