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Can a sleep-focused therapy calm bipolar symptoms?

NCT ID NCT04130529

Symptom relief Sponsor: Karolinska Institutet Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jul 10, 2026 · Last updated Jul 10, 2026

Summary

This study tests a specially adapted form of cognitive behavioral therapy for insomnia (CBT-i) in people with bipolar disorder who have sleep problems. The therapy includes sleep scheduling, light exposure, and relaxation techniques. Researchers want to see if it improves sleep quality and reduces bipolar symptoms. About 87 participants from psychiatric clinics in Stockholm take part.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Cognitive Behavioral Therapy for insomnia (CBT-i) adapted for bipolar disorder
What this could lead to
If successful, this could provide an effective, drug-free way to improve sleep and daily functioning for people with bipolar disorder.
What could go wrong
This is a relatively small, early-stage study. The treatment may not work for everyone, and results may not apply to all bipolar patients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

87 people

The number who actually took part.

Started

Oct 2019

Finished

Dec 2024

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Being a patient at the clinics involved in the project * Experiencing sleep problems (subjective report) * Being able to participate in a psychological intervention in group format Exclusion Criteria: * Night shift work

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Conditions

The condition(s) this trial relates to.

bipolar disorder Parasomnias sleep disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Bipolar disorder Sleep problem

Contacts and locations

Locations

  • Department of Affective Disorders, Northern Stockholm Psychiatry

    Stockholm, Stockholm County, 11321, Sweden

  • Department of Affective Disorders, Stockholm Southwest Psychiatry

    Stockholm, Stockholm County, 14186, Sweden

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