Source facts
FDA's complete response letter contains source-text evidence related to Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.
Issued to CELLTRION, Inc.. Application reviewed but not approved; deficiencies must be corrected.
Issued
March 26, 2025Application
BLA • 761377
Product
EYDENZELT
Company
CELLTRION, Inc.
Review center
CBERStage
Final Decision
Response due
March 26, 2026
Assyro regulatory brief
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FDA's complete response letter contains source-text evidence related to Facility inspection and CGMP compliance. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.
Review the exact redacted FDA letter and address each stated deficiency before resubmission.
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Application reviewed but not approved; deficiencies must be corrected. Requires resubmission addressing deficiencies. FDA issued this letter to CELLTRION, Inc. on March 26, 2025.
BLA 761377 is the application under which FDA issued this complete response letter for EYDENZELT to CELLTRION, Inc.. It was reviewed by FDA CBER. The letter is dated March 26, 2025.
FDA will not approve the application in its present form. The sponsor can resubmit after addressing every deficiency listed in the letter — which starts a Class 1 (two-month) or Class 2 (six-month) resubmission review clock — withdraw the application, or request an opportunity for a hearing.