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cefepime for injection and taniborbactam for injection, co-packaged for intravenous use — FDA Complete Response Letter (NDA 217556)

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

Application

NDA 505b1 • 217556

Product

cefepime for injection and taniborbactam for injection, co-packaged for intravenous use

Company

Venatorx Pharmaceuticals, Inc.

Review center

CDER

Stage

Final Decision

Response due

February 21, 2025

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What did FDA decide for cefepime for injection and taniborbactam for injection, co-packaged for intravenous use?

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 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

  • 1Labeling, packaging, and proprietary name: 31 source-text matches.
  • 2Nonclinical evidence: 1 source-text match.
Labeling, packaging, and proprietary nameNonclinical evidence

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 cefepime for injection and taniborbactam for injection, co-packaged for intravenous use complete response letter

What does this complete response letter mean for cefepime for injection and taniborbactam for injection, co-packaged for intravenous use?

Application reviewed but not approved; deficiencies must be corrected. Requires resubmission addressing deficiencies. FDA issued this letter to Venatorx Pharmaceuticals, Inc. on February 22, 2024.

What is NDA 217556?

NDA 217556 is the application under which FDA issued this complete response letter for cefepime for injection and taniborbactam for injection, co-packaged for intravenous use to Venatorx Pharmaceuticals, Inc.. It was reviewed by FDA CDER. The letter is dated February 22, 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.