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CLINICAL TRIAL PROFILE · UPDATED 2026-09-29

A Study of Suvorexant (MK-4305) for the Treatment of Insomnia Disorder in Participants With Opioid Use Disorder (MK-4305-098)

NCT06655883 · Phase 3 · Recruiting

PHASEPhase 3
STATUSRecruiting
ENROLLMENT300
EST. COMPLETION2027-06-24

Conditions

Insomnia

Interventions

SuvorexantPlacebo

Study details

SPONSORMerck Sharp & Dohme LLC
START DATE2025-10-09

Related company profiles

Merck

MRK

Primary source

Trial status and dates can change. Confirm enrollment and eligibility against the linked ClinicalTrials.gov record.

Evidence & limits

Source: Open the source record

Record identifier
NCT06655883
Event / action date
Not separately retained
Source update date
Not separately retained
Platform retrieval / processing date
Not separately retained

What it supports. Study information reported by the sponsor or investigator, including status, phase, enrollment, and recorded dates.

Limits. Registration or completion does not establish clinical success or approval. Sponsor-name associations can be ambiguous. Dates may be estimated; verify the live study record.

Connection basis. Company sponsor aliases and normalized lead-sponsor containment; the NCT identifier identifies the study.

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