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BESREMI — FDA Complete Response Letter (BLA 761166)

Issued to PharmaEssentia Corporation. Application reviewed but not approved; deficiencies must be corrected.

Application

BLA • 761166

Product

BESREMI

Company

PharmaEssentia Corporation

Review center

Other

Stage

Final Decision

Response due

January 1, 2022

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What did FDA decide for BESREMI?

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 Labeling, packaging, and proprietary name, Facility inspection and CGMP compliance, Device constituent and human factors. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

Key details in this letter

  • 1Labeling, packaging, and proprietary name: 12 source-text matches.
  • 2Facility inspection and CGMP compliance: 2 source-text matches.
  • 3Device constituent and human factors: 2 source-text matches.
Labeling, packaging, and proprietary nameFacility inspection and CGMP complianceDevice constituent and human factors

Suggested next step

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

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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 BESREMI complete response letter

What does this complete response letter mean for BESREMI?

Application reviewed but not approved; deficiencies must be corrected. Requires resubmission addressing deficiencies. FDA issued this letter to PharmaEssentia Corporation on March 12, 2021.

What is BLA 761166?

BLA 761166 is the application under which FDA issued this complete response letter for BESREMI to PharmaEssentia Corporation. It was reviewed by FDA Other. The letter is dated March 12, 2021.

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.