Condition
Delayed Sleep-Wake Phase Disorder clinical trials and research
As of November 12, 2026, Find a Trial lists 3 Delayed Sleep-Wake Phase Disorder clinical trials that are recruiting, at sites in 2 countries (most in United States (2), Norway (1)). By phase: Phase 2 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 3Clinical trials
- 2Countries
Newest Delayed Sleep-Wake Phase Disorder clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Pupil light-response testing for delayed sleep-wake phase disorder | — | Chicago, Illinois | Recruiting | Apr 29, 2025 |
| Using melatonin to improve mood and sleep in bipolar disorder | Phase 2 | Ann Arbor, Michigan | Recruiting | Jan 26, 2024 |
| Treatment for Delayed Sleep-Wake Phase Disorder in Psychiatric Patients | — | Bergen, Tertnes and 1 other locations | Recruiting | Jan 4, 2022 |
All recruiting trials (3)
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Pupil light-response testing for delayed sleep-wake phase disorder
This study tests whether people with delayed sleep-wake phase disorder have different pupil responses to light and whether a single dose of citalopram increases light-induced melatonin suppression.
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Using melatonin to improve mood and sleep in bipolar disorder
This study is testing if a low dose of melatonin, along with a sleep program, can help improve mood and sleep for people with bipolar disorder.
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Treatment for Delayed Sleep-Wake Phase Disorder in Psychiatric Patients
This study is testing a group treatment that uses bright light therapy to help people with sleep problems and mental health issues feel better.
Related topics
Quick answers
How many Delayed Sleep-Wake Phase Disorder clinical trials are recruiting right now?
3, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 2 countries. The most sites are in United States (2 trials), Norway (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 2: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.