Skip to content
Assyro AI

ZOLPIDEM TARTRATE — FDA Complete Response Letter (NDA 215721)

Issued to Almatica Pharma, LLC. Application reviewed but not approved; deficiencies must be corrected.

Application

NDA 505b1 • 215721

Product

ZOLPIDEM TARTRATE

Company

Almatica Pharma, LLC

Review center

Other

Stage

Final Decision

Response due

December 31, 2024

Assyro regulatory brief

Free

What did FDA decide for ZOLPIDEM TARTRATE?

Source facts and Assyro context are separated so you can scan the action quickly without treating analysis as an FDA conclusion.

Verify in source

Source facts

FDA's complete response letter contains source-text evidence related to Labeling, packaging, and proprietary name, 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: 17 source-text matches.
  • 2Chemistry, manufacturing, and controls: 1 source-text match.
Labeling, packaging, and proprietary nameChemistry, manufacturing, and controls

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)

Loading document viewer…

Common questions about the ZOLPIDEM TARTRATE complete response letter

What does this complete response letter mean for ZOLPIDEM TARTRATE?

Application reviewed but not approved; deficiencies must be corrected. Requires resubmission addressing deficiencies. FDA issued this letter to Almatica Pharma, LLC on January 13, 2023.

What is NDA 215721?

NDA 215721 is the application under which FDA issued this complete response letter for ZOLPIDEM TARTRATE to Almatica Pharma, LLC. It was reviewed by FDA Other. The letter is dated January 13, 2023.

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.