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TZIELD — FDA Complete Response Letter (BLA 761183)

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

Application

BLA • 761183

Product

TZIELD

Company

Provention Bio, Inc.

Review center

Other

Stage

Final Decision

Response due

January 1, 2024

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What did FDA decide for TZIELD?

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, Chemistry, manufacturing, and controls, Clinical efficacy and substantial evidence, 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

  • 1Labeling, packaging, and proprietary name: 17 source-text matches.
  • 2Chemistry, manufacturing, and controls: 3 source-text matches.
  • 3Clinical efficacy and substantial evidence: 2 source-text matches.
  • 4Facility inspection and CGMP compliance: 1 source-text match.
Labeling, packaging, and proprietary nameChemistry, manufacturing, and controlsClinical efficacy and substantial evidenceFacility inspection and CGMP complianceBioequivalence and pharmacokinetics

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 TZIELD complete response letter

What does this complete response letter mean for TZIELD?

Application reviewed but not approved; deficiencies must be corrected. Requires resubmission addressing deficiencies. FDA issued this letter to Provention Bio, Inc. on July 2, 2021.

What is BLA 761183?

BLA 761183 is the application under which FDA issued this complete response letter for TZIELD to Provention Bio, Inc.. It was reviewed by FDA Other. The letter is dated July 2, 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.