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NOCDURNA — FDA Complete Response Letter (NDA 022517)

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

Application

NDA 505b1 • 022517

Product

NOCDURNA

Company

Ferring Pharmaceuticals Inc.

Review center

Other

Stage

Final Decision

Response due

November 13, 2026

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What did FDA decide for NOCDURNA?

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, Clinical efficacy and substantial evidence, Safety and adverse events, Statistical analysis. 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: 6 source-text matches.
  • 2Clinical efficacy and substantial evidence: 3 source-text matches.
  • 3Safety and adverse events: 2 source-text matches.
  • 4Statistical analysis: 1 source-text match.
Labeling, packaging, and proprietary nameClinical efficacy and substantial evidenceSafety and adverse eventsStatistical analysis

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 NOCDURNA complete response letter

What does this complete response letter mean for NOCDURNA?

Application reviewed but not approved; deficiencies must be corrected. Requires resubmission addressing deficiencies. FDA issued this letter to Ferring Pharmaceuticals Inc. on January 30, 2013.

What is NDA 022517?

NDA 022517 is the application under which FDA issued this complete response letter for NOCDURNA to Ferring Pharmaceuticals Inc.. It was reviewed by FDA Other. The letter is dated January 30, 2013.

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.