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EYDENZELT — FDA Complete Response Letter (BLA 761377)

Issued to CELLTRION, Inc.. Application reviewed but not approved; deficiencies must be corrected.

Application

BLA • 761377

Product

EYDENZELT

Company

CELLTRION, Inc.

Review center

CBER

Stage

Final Decision

Response due

June 27, 2025

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What did FDA decide for EYDENZELT?

Source facts and Assyro context are separated so you can scan the action quickly without treating analysis as an FDA conclusion.

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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.

Key details in this letter

  • 1Facility inspection and CGMP compliance: 11 source-text matches.
Facility inspection and CGMP compliance

Suggested next step

Review the exact redacted FDA letter and address each stated deficiency before resubmission.

Open the document workspace

Built from structured FDA metadata and deterministic source-text signals. Topic matches are navigation aids, not legal or regulatory conclusions. Verify material decisions against the original FDA document.

FDAPDFUpdated Jul 30, 2026

FDA source document

Read the full FDA complete response letter (PDF)

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Common questions about the EYDENZELT complete response letter

What does this complete response letter mean for EYDENZELT?

Application reviewed but not approved; deficiencies must be corrected. Requires resubmission addressing deficiencies. FDA issued this letter to CELLTRION, Inc. on June 27, 2024.

What is BLA 761377?

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 June 27, 2024.

What happens after an FDA complete response letter?

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.