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Unknown — FDA Complete Response Letter (NDA 218506)

Issued to Bayer HealthCare LLC. Application reviewed but not approved; deficiencies must be corrected.

Application

NDA 505b1 • 218506

Product

Unknown

Company

Bayer HealthCare LLC

Review center

CDER

Stage

Final Decision

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What did FDA decide for Unknown?

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

Verify in source

Source facts

FDA's complete response letter contains source-text evidence related to Facility inspection and CGMP compliance, Labeling, packaging, and proprietary name, Nonclinical evidence. 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: 6 source-text matches.
  • 2Labeling, packaging, and proprietary name: 6 source-text matches.
  • 3Nonclinical evidence: 3 source-text matches.
Facility inspection and CGMP complianceLabeling, packaging, and proprietary nameNonclinical evidence

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 Unknown complete response letter

What does this complete response letter mean for Unknown?

Application reviewed but not approved; deficiencies must be corrected. Requires resubmission addressing deficiencies. FDA issued this letter to Bayer HealthCare LLC on June 13, 2024.

What is NDA 218506?

NDA 218506 is the application under which FDA issued this complete response letter for Unknown to Bayer HealthCare LLC. It was reviewed by FDA CDER. The letter is dated June 13, 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.