Overview

Efficacy of Melatonin, Low-dose Quetiapine, or Placebo in Patients With Psychiatric Disorders and Comorbid Insomnia

Status:
Recruiting
Trial end date:
2026-02-28
Target enrollment:
Participant gender:
Summary
The goal of this investigator-initiated, randomized, blinded, 3-armed placebo-controlled, pragmatic, clinical superiority trial is to examine the efficacy of melatonin or low-dose quetiapine versus placebo for treatment of insomnia in patients with psychiatric disorders. The aims of the study are: - To examine the efficacy of melatonin or low-dose quetiapine versus placebo for treatment of insomnia - To examine how melatonin or low-dose quetiapine affects global symptom severity, sleep quality, psychosocial functioning and subjective well-being. Participants will receive six weeks of treatment with either melatonin, quetiapine or placebo followed by a brief taper off.
Phase:
Phase 2/Phase 3
Details
Lead Sponsor:
Lone Baandrup
Collaborators:
Copenhagen Trial Unit, Center for Clinical Intervention Research
Danish Center for Sleep Medicine
Mental Health Services in the Capital Region, Denmark
Region Capital Denmark
Treatments:
Melatonin
Quetiapine Fumarate