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RegulatoryNeurologySleep DisordersRegulatory Approval

FDA Approves Supplement for HETLIOZ (Tasimelteon) by Vanda Pharmaceuticals

The FDA has approved a supplemental application for HETLIOZ, a drug containing tasimelteon.

Published: August 1, 2026
Updated: August 1, 2026
Author: Humanexa Intelligence
Therapeutic area: Neurology / Sleep Disorders
Company: Vanda Pharmaceuticals
Asset: HETLIOZ
Regulatory TimelineREG
Fast Track
Breakthrough
Priority Review
PDUFA
Approval

Company

Vanda Pharmaceuticals

Asset

HETLIOZ

Indication

Neurology / Sleep Disorders

Status

Approved

Signal Score

8.2

Signal assessment

Signal strength

high

Confidence level

moderate

Signalhigh
Confidencemoderate

Why it matters

The FDA's approval of the supplemental application for HETLIOZ strengthens Vanda Pharmaceuticals' market position in the sleep disorder therapeutic area. This development necessitates a strategic assessment of competitive responses and potential shifts in market dynamics.

Recommended action

Humanexa recommends Monitor.

Analysis

Monitor for additional data on the approved indications and any subsequent market responses from competitors.

Related companies & assets

Companies

  • Vanda Pharmaceuticals →

Assets

  • HETLIOZ →

Sources & Humanexa intelligence

Source links

  • FDA Approves Supplement for HETLIOZ (Tasimelteon) by Vanda Pharmaceuticals ↗

Related Humanexa pages

  • FDA Approves Supplement for HETLIOZ (Tasimelteon) by Vanda Pharmaceuticals →

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