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Premarket Approval (PMA) Summary Review Memos for 180-Day Design Changes

Published by U.S. Food and Drug Administration | U.S. Department of Health & Human Services | Metadata Last Checked: August 09, 2025 | Last Modified: 2025-07-16
A 180-day supplement is a request for a significant change in components, materials, design, specification, software, color additive, and labeling to an approved premarket application or premarket report. As a pilot program under the CDRH Transparency Initiative, FDA has begun releasing some summary review memos for 180-day PMA supplements relating to design changes.

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