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A Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy and Safety of Suvorexant for the Treatment of Insomnia in Participants With Opioid Use Disorder

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Trial Profile

A Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy and Safety of Suvorexant for the Treatment of Insomnia in Participants With Opioid Use Disorder

Status: Recruiting
Phase of Trial: Phase III

Latest Information Update: 22 Feb 2026

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At a glance

  • Drugs Suvorexant (Primary)
  • Indications Insomnia
  • Focus Adverse reactions; Registrational; Therapeutic Use
  • Sponsors Merck Sharp & Dohme

Most Recent Events

  • 04 Dec 2025 Planned primary completion date changed from 15 Apr 2027 to 24 Jun 2027.
  • 27 Oct 2025 Status changed from not yet recruiting to recruiting.
  • 15 Jun 2025 Planned End Date changed from 6 Oct 2026 to 24 Jun 2027.

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