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DSUVIA — FDA Complete Response Letter (NDA 209128)

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

Application

NDA 505b1 • 209128

Product

DSUVIA

Company

AcelRx Pharmaceuticals, Inc.

Review center

Other

Stage

Final Decision

Response due

November 13, 2026

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What did FDA decide for DSUVIA?

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, Safety and adverse events, Device constituent and human factors, Clinical efficacy and substantial 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: 17 source-text matches.
  • 2Safety and adverse events: 4 source-text matches.
  • 3Device constituent and human factors: 3 source-text matches.
  • 4Clinical efficacy and substantial evidence: 1 source-text match.
Labeling, packaging, and proprietary nameSafety and adverse eventsDevice constituent and human factorsClinical efficacy and substantial evidence

Suggested next step

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

Open the document workspace

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 DSUVIA complete response letter

What does this complete response letter mean for DSUVIA?

Application reviewed but not approved; deficiencies must be corrected. Requires resubmission addressing deficiencies. FDA issued this letter to AcelRx Pharmaceuticals, Inc. on October 11, 2017.

What is NDA 209128?

NDA 209128 is the application under which FDA issued this complete response letter for DSUVIA to AcelRx Pharmaceuticals, Inc.. It was reviewed by FDA Other. The letter is dated October 11, 2017.

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.