Could a light cap lift bipolar depression?
NCT ID NCT07510646
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a wearable light device (Vielight RX Gamma) that shines light on the brain to see if it safely eases bipolar depression symptoms. Forty people with bipolar disorder will either get the active device or a sham (inactive) one, using it in the clinic 5 days a week for 6 weeks. Researchers will track changes in mood, thinking, pain, and quality of life.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jul 2026
An estimate. Start dates often move.
- Expected to finish
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Jul 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * • Diagnosis of bipolar depression * Montgomery-Asberg Depression Rating Scale (MADRS) of 24 or higher * Capable of providing consent * Currently inpatient or outpatient * Ability to communicate in spoken and written English fluently enough to complete the required study assessments Exclusion Criteria: * Currently in manic or mixed episode, as measured by Young Mania Rating Scale (YMRS) more than 8-10 * Currently psychotic * Judged to be at serious and imminent suicidal risk * Currently has alcohol or substance use disorder (meeting criteria in the past 1 months) * Unstable medical conditions * Inability to consent or to complete study procedures * Changes in medications or use of augmentative devices and other interventions in the 4 weeks prior to the study * Participation in other clinical research trials that may influence primary outcomes or adherence to the proposed study * Current pregnancy or intention to become pregnant
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Providence Care Hospital
Kingston, Ontario, K7L 4X3, Canada
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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