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US FDA source recordAL · Approval Letter

HETLIOZ — FDA Approval Letter (NDA 205677)

Issued to VANDA PHARMS INC. Application is approved as submitted.

Posted by FDA

July 29, 2026

Application

NDA 505b1 • 205677

Product

HETLIOZ

Company

VANDA PHARMS INC

Stage

Final Decision

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What did FDA decide for HETLIOZ?

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Source facts

FDA posted an approval letter for HETLIOZ on 2026-07-29. This is the document posting date; consult the signed letter for the decision date. The source metadata identifies NDA 205677 as a supplement. Review the exact FDA letter for the approved conditions and labeling.

Key details in this letter

  • 1FDA action: approval.
  • 2Application: NDA 205677.
  • 3Submission: supplement.
  • 4Sponsor: VANDA PHARMS INC.

Suggested next step

Review the exact FDA letter for approved conditions, labeling, and postmarketing requirements.

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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 Oct 8, 2026

FDA source document

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Common questions about the HETLIOZ approval letter

Is HETLIOZ FDA approved?

This letter documents an FDA approval action: FDA approved NDA 205677 for HETLIOZ, sponsored by VANDA PHARMS INC,. Product may be marketed. Verify current status and labeling in the source letter, since later FDA actions can change them.

What is NDA 205677?

NDA 205677 is the application under which FDA issued this approval letter for HETLIOZ to VANDA PHARMS INC. FDA posted the letter on July 29, 2026; the posting date is not the decision date.

What happens after an FDA approval letter?

The sponsor may market the product in line with the approved labeling. Approval letters typically set post-approval obligations: submitting final content of labeling, meeting any postmarketing requirements or commitments listed in the letter, updating Orange Book patent information within 30 days for NDAs, and ongoing annual reporting under 21 CFR 314.81.