Actively Recruiting

Phase 2
Phase 3
Age: 16Years - 64Years
All Genders
NCT06062953

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

Led by Lone Baandrup · Updated on 2025-04-24

255

Participants Needed

1

Research Sites

284 weeks

Total Duration

On this page

Sponsors

L

Lone Baandrup

Lead Sponsor

D

Danish Center for Sleep Medicine

Collaborating Sponsor

AI-Summary

What this Trial Is About

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.

CONDITIONS

Official Title

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

Who Can Participate

Age: 16Years - 64Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Aged 16 to 64 years
  • ICD-10 diagnosis of a current or previous mental or behavioral disorder (F20-F69, F84, F90-F95)
  • For diagnoses F84 and F90, prior treatment with melatonin is required
  • For ages 16-17, non-drug treatments like sleep hygiene education or weighted blankets have been tried without sufficient effect
  • Self-reported sleep difficulties at least three times per week over the last 3 months
  • Insomnia Severity Index score of 11 or higher
  • Women of childbearing potential must have a negative pregnancy test at baseline and use highly effective contraception
  • Ability to provide informed consent
Not Eligible

You will not qualify if you...

  • Currently treated with melatonin or quetiapine
  • Severe physical illness
  • Body mass index (BMI) of 35 kg/m2 or higher
  • Breastfeeding
  • Alcohol or substance dependency within the last 3 months
  • Insufficient Danish language skills
  • Unable to provide informed consent
  • Increased cardiac risk due to risk factors, symptoms, or prolonged QT interval on baseline ECG

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Mental Health Center Copenhagen

Copenhagen NV, Denmark, 2400

Actively Recruiting

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Research Team

L

Lone Baandrup, MD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

QUADRUPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

3

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