Clinical trial • Psychiatry

Melatonin for Bipolar disorder

Clinical trial of Melatonin for Bipolar disorder.

Overview

Trial Therapeutic Area
Psychiatry
Trial Disease
Bipolar disorder
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
24-10-2025
First CTIS Authorization Date
16-01-2026

Trial design

Randomised, placebo (placebo oral tablet). test product: orimelan 3 mg tabletter (melatonin) - product presentation indicates 3 mg tablet; maximum daily dose listed as 6 mg; dosing schedule not specified in available documents.-controlled trial across 1 site in Denmark.

Randomised
Yes
Comparator
Placebo (PLACEBO oral tablet). Test product: Orimelan 3 mg tabletter (melatonin) - product presentation indicates 3 mg tablet; maximum daily dose listed as 6 mg; dosing schedule not specified in available documents.
Target Sample Size
200
Trial Duration For Participant
182

Eligibility

Recruits 200 Habile (i.e., able to give informed consent). Vulnerable population not selected..

Pregnancy Exclusion
Women who are pregnant, breastfeeding or planning pregnancy in near future
Vulnerable Population
Habile (i.e., able to give informed consent). Vulnerable population not selected.

Inclusion criteria

  • {"criterion_text":"- Bipolar disorder with diagnosis confirmed by SCAN interview\n- Age 18-70 years\n- Speaks and writes danish or english at a level equal to mothers tongue\n- Habile (i.e., able to give informed consent)"}

Exclusion criteria

  • {"criterion_text":"- Past intolerance to melatonin\n- Impaired renal or hepatic function\n- Women who are pregnant, breastfeeding or planning pregnancy in near future"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Mood stabilization will be measured by a mood instability score reflecting the daily variability in self-monitored mood collected via the Monsenso system","definition_or_measurement_approach":"Mood instability score reflecting the daily variability in self-monitored mood collected via the Monsenso system"}

Secondary endpoints

  • {"endpoint_text":"- Hamilton D6, Pittsburgh Sleep Quality, Young Mania Rating Scale, Functioning Assessment Short Test (FAST), internet-based Cognition Assessment Tool (ICAT) and bloodbased inflammation markers in bloodsamples, hair cortisol and urine oxidative stress markers","definition_or_measurement_approach":"Assessment using Hamilton D6, Pittsburgh Sleep Quality Index, Young Mania Rating Scale (YMRS), FAST, ICAT, and laboratory measures including blood-based inflammation markers, hair cortisol and urine oxidative stress markers"}

Recruitment

Planned Sample Size
200
Recruitment Window Months
36
Consent Approach
Participants must be able to give informed consent ('Habile (i.e., able to give informed consent)'). Participants must speak and write Danish or English at a level equal to mother tongue. Subject information and informed consent form documents are listed in CTIS (L2 documents). No assent process or vulnerable-subject-specific consent procedures are described.

Geography

Total Number Of Sites
1
Total Number Of Participants
200

Denmark

Earliest CTIS Part Ii Submission Date
11-01-2026
Latest Decision Or Authorization Date
16-01-2026
Processing Time Days
5
Number Of Sites
1
Number Of Participants
200

Sites

Site Name
Region Hovedstaden - Esther Ammundsens Vej 36
Department Name
Ambulatorie for Affektive Lidelser
Principal Investigator Name
Lars Kessing
Principal Investigator Email
lars.vedel.kessing@regionh.dk
Contact Person Name
Lars Kessing
Contact Person Email
lars.vedel.kessing@regionh.dk

Sponsor

Primary sponsor

Full Name
Region Hovedstaden
Organisation Type
Hospital/Clinic/Other health care facility
Country Of Registered Address
Denmark

Third parties

  • {"country":"Denmark","full_name":"Region Hovedstaden","duties_or_roles":"1","organisation_type":"Hospital/Clinic/Other health care facility"}

Investigational products

Investigational Product Name
Orimelan 3 mg tabletter
Active Substance
Melatonin
Modality
Small molecule
Routes Of Administration
Oral
Route
Oral
Authorisation Status
Authorised (marketing authorisation number 21-14030)
Maximum Dose
6 mg/day
Investigational Product Name
PLACEBO
Active Substance
PLACEBO
Modality
Other
Routes Of Administration
Oral use
Route
Oral
Authorisation Status
Not applicable (placebo)
Combination Treatment
Yes

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