Bipolar II disorder
MONDO:0000693A bipolar disorder that is characterized by at least one hypomanic episode and at least one major depressive episode; with this disorder, depressive episodes are more frequent and more intense than manic episodes.
Also known as: bipolar II disorder, bipolar 2 disorder, bipolar ll disorder
101 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsSub-types
Broader categories
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Magnetic pulses aim to lift depression in bipolar II
Disease control OngoingThis study tests whether a rapid form of brain stimulation, called accelerated intermittent theta-burst stimulation (aiTBS), can relieve depression in people with bipolar II disorder whose depression has not responded to other treatments. Participants receive either real or sham …
Phase: NA • Sponsor: Stanford University • Aim: Disease control
Last updated Jul 03, 2026 00:00 UTC
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New drug shows promise for Long-Term bipolar depression control
Disease control ENROLLING_BY_INVITATIONThis Phase 3 study tests the long-term safety and effectiveness of azetukalner, a daily pill, in 400 adults with bipolar I or II depression who previously completed a related study. Participants take the drug for 52 weeks, and researchers track side effects, mood changes, and qua…
Phase: PHASE3 • Sponsor: Xenon Pharmaceuticals Inc. • Aim: Disease control
Last updated Jun 27, 2026 13:00 UTC
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Which pill works best for bipolar depression? huge study aims to find out
Disease control OngoingThis large study compares four FDA-approved medications for bipolar depression to see which one helps people feel better. Over 2,700 adults with bipolar I or II disorder and current depression will be randomly assigned to one of the drugs. The goal is to find which treatment lead…
Phase: PHASE4 • Sponsor: Massachusetts General Hospital • Aim: Disease control
Last updated Jun 27, 2026 08:04 UTC
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New electric therapy aims to treat depression without memory loss
Symptom relief OngoingThis small study tests a new treatment called TEST for people with depression that hasn't improved with standard treatments. TEST uses a lower electric current than standard electroconvulsive therapy (ECT), aiming to avoid memory and thinking problems. Eight adults aged 25-64 wil…
Phase: NA • Sponsor: National Institute of Mental Health (NIMH) • Aim: Symptom relief
Last updated Aug 14, 2026 00:00 UTC
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Can a video chat therapy reduce suicide risk? new study hopes to find out
Symptom relief OngoingThis pilot study tests whether a brief cognitive behavioral therapy delivered via video conference can help adults with mood disorders who are at high risk for suicide. Forty participants will either receive the video therapy plus usual care, or usual care alone. The study will m…
Phase: NA • Sponsor: Hyung Keun Park • Aim: Symptom relief
Last updated Jun 27, 2026 13:00 UTC
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Can a ketamine shot stop suicidal thoughts in minutes?
Symptom relief TerminatedThis study tests whether a single injection of ketamine can quickly reduce suicidal thoughts in people with depression who come to the emergency room. About 90 participants will receive either ketamine or a sedative (midazolam) and be monitored for 24 hours. The trial is currentl…
Phase: PHASE4 • Sponsor: New York State Psychiatric Institute • Aim: Symptom relief
Last updated Jun 27, 2026 12:38 UTC
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Sweat away the blues: exercise may speed bipolar depression recovery
Symptom relief TerminatedThis study looks at whether moderate-to-vigorous aerobic exercise, called Braining, can help people with bipolar depression recover faster and prevent future depressive episodes. Fifty-four participants will be split into three groups: one doing supervised aerobic exercise three …
Phase: NA • Sponsor: Region Stockholm • Aim: Symptom relief
Last updated Jun 27, 2026 09:04 UTC
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ER agitation study pulled before it began
Symptom relief TerminatedThis study aimed to see if a dissolvable film placed under the tongue could quickly calm agitation in people with bipolar disorder or schizophrenia who come to the emergency room. The drug, BXCL501, is already approved for this use, but the study wanted to test it in the ER setti…
Phase: PHASE4 • Sponsor: Brigham and Women's Hospital • Aim: Symptom relief
Last updated Jun 27, 2026 09:00 UTC
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Gut health for the mind: postbiotics tested as mood boosters
Symptom relief OngoingThis study tests whether taking postbiotics (a dietary supplement) for 8 weeks can reduce depressive symptoms and improve mood in Korean adults aged 19-39 with mild to moderate mood issues. Fifty-two participants will receive either postbiotics or a placebo, and their mood will b…
Phase: NA • Sponsor: Hanyang University • Aim: Symptom relief
Last updated Jun 27, 2026 08:10 UTC
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Withdrawn study aimed to boost mental health in young south asian women
Knowledge-focused TerminatedThis study aimed to develop and test a 12-week mental health program designed specifically for young South Asian women aged 16-24 with mood or anxiety disorders. The program was meant to address cultural and gender needs. However, the study was withdrawn before any participants w…
Phase: NA • Sponsor: Centre for Addiction and Mental Health • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:07 UTC
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Scientists probe the Mind-Sleep connection with brain and heart scans
Knowledge-focused ENROLLING_BY_INVITATIONThis study looks at how mood disorders and insomnia interact by monitoring heart and brain activity. Researchers will measure signals like heart rate variability and brain waves in 200 people, including healthy volunteers and those with mood or sleep issues. The goal is to unders…
Sponsor: Qilu Hospital of Shandong University • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:01 UTC
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Brain scans reveal how gentle magnets affect bipolar depression in seniors
Knowledge-focused OngoingThis study looks at how low field magnetic stimulation changes brain activity in older adults (age 60+) with bipolar depression. Forty participants receive both real and sham (fake) stimulation on separate days, with brain scans taken before and after each session. The goal is to…
Phase: NA • Sponsor: Mclean Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:00 UTC
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Memory loss study cancelled before it began
Knowledge-focused TerminatedThis study was designed to understand why electroconvulsive therapy (ECT) sometimes causes temporary memory problems. Researchers planned to measure brain waves in people with severe depression or bipolar disorder receiving ECT. The study was withdrawn before any participants wer…
Phase: EARLY_PHASE1 • Sponsor: University of New Mexico • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:12 UTC
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Brain zaps for suicide prevention? study pulled before starting
Knowledge-focused TerminatedThis study aimed to see if a fast-acting form of brain stimulation (called accelerated TMS) could change brain activity linked to suicidal thinking in adults hospitalized for major depression. The researchers planned to measure changes in suicidal thoughts using a standard questi…
Phase: NA • Sponsor: Stanford University • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:52 UTC
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Smartphone data may predict depression relapse before it happens
Knowledge-focused ENROLLING_BY_INVITATIONThis study is testing whether data from smartphones and wearable devices can predict when a person with depression or bipolar disorder might have another episode. Over 12 months, 540 participants will wear a Fitbit, log daily moods, and complete five check-ins. Researchers will u…
Sponsor: Korea University Anam Hospital • Aim: Knowledge-focused
Last updated Jun 26, 2026 12:53 UTC