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FDA complete response letters, May 2025

Page updated ·next FDA decision on the calendar ·Data as of Nov 10, 2026 12:55 AM ET

The FDA's public release of complete response letters holds 2 letters dated May 2025 (openFDA, last updated 2026-08-26). Of the 22 FDA decisions on PDUFA goal dates pdufa.bio tracked in May 2025, 4 were Complete Response Letters.

Released by the FDA, dated May 2025 · 2

Letter dateCompanyApplicationopenFDA statusLetter
2025-05-29Chemo Research, S.L.NDA 219029Unapprovedletter (PDF)
2025-05-15Stealth BioTherapeutics Inc.NDA 215244Unapprovedletter (PDF)

Complete Response Letters among decisions pdufa.bio tracked · 4

FDA actionTickerDrugSource
2025-05-27SVRAsource-verifieddecision page
2025-05-23REGNprice-onlydecision page
2025-05-23BMYprice-onlydecision page
2025-05-07PHIOprice-onlydecision page
A Complete Response Letter is the FDA's notice that it will not approve an application in its current form; it is not a permanent rejection, and the sponsor can resubmit. The two counts come from different records and are not added together. ← April 2025 · June 2025 → · all released letters · every CRL decision we tracked