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GENOSYL — FDA Complete Response Letter (NDA 202860)

Issued to Vero Biotech, LLC. Application reviewed but not approved; deficiencies must be corrected.

Application

NDA 505b1 • 202860

Product

GENOSYL

Company

Vero Biotech, LLC

Review center

Other

Stage

Final Decision

Response due

January 1, 2020

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What did FDA decide for GENOSYL?

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, Device constituent and human factors, Safety and adverse events, Chemistry, manufacturing, and controls. 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: 16 source-text matches.
  • 2Device constituent and human factors: 15 source-text matches.
  • 3Safety and adverse events: 10 source-text matches.
  • 4Chemistry, manufacturing, and controls: 3 source-text matches.
Labeling, packaging, and proprietary nameDevice constituent and human factorsSafety and adverse eventsChemistry, manufacturing, and controlsClinical efficacy and substantial 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 GENOSYL complete response letter

What does this complete response letter mean for GENOSYL?

Application reviewed but not approved; deficiencies must be corrected. Requires resubmission addressing deficiencies. FDA issued this letter to Vero Biotech, LLC on January 23, 2019.

What is NDA 202860?

NDA 202860 is the application under which FDA issued this complete response letter for GENOSYL to Vero Biotech, LLC. It was reviewed by FDA Other. The letter is dated January 23, 2019.

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.