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ALSUMA — FDA Complete Response Letter (NDA 022377)

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

Application

NDA 505b1 • 022377

Product

ALSUMA

Company

King Pharmaceuticals, Inc.

Stage

Final Decision

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What did FDA decide for ALSUMA?

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. 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: 20 source-text matches.
  • 2Safety and adverse events: 2 source-text matches.
Labeling, packaging, and proprietary nameSafety and adverse events

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 ALSUMA complete response letter

What does this complete response letter mean for ALSUMA?

Application reviewed but not approved; deficiencies must be corrected. Requires resubmission addressing deficiencies. FDA issued this letter to King Pharmaceuticals, Inc. on May 15, 2009.

What is NDA 022377?

NDA 022377 is the application under which FDA issued this complete response letter for ALSUMA to King Pharmaceuticals, Inc.. The letter is dated May 15, 2009.

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.