Condition
Bipolar II Disorder clinical trials and research
As of November 12, 2026, Find a Trial lists 8 Bipolar II Disorder clinical trials that are recruiting, at sites in 4 countries (most in United States (5), Hong Kong (1), Canada (1)). By phase: Phase 2 (2), Phase 4 (2). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 8Clinical trials
- 4Countries
Newest Bipolar II Disorder clinical trials
All recruiting trials (8)
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Personalized weight-loss medication plan for adults with bipolar disorder
This pilot tests whether matching FDA-approved weight-loss medicines to specific obesity types helps adults aged 18–65 with bipolar disorder lose weight.
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Personalized closed-loop deep brain stimulation for treatment-resistant Bipolar II depression
This study will test a personalized closed-loop deep brain stimulation system to try to reduce depressive symptoms in adults with treatment-resistant Bipolar II disorder.
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Assessing mental health disorders in Hong Kong using a new recall method
This study is testing a new way to help people in Hong Kong remember important life events to see how many have experienced major depression and thoughts of suicide.
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Assessing the safety and acceptability of psilocybin for Bipolar II depression
This study is testing if giving two doses of psilocybin along with therapy can be a safe and helpful treatment for people with Bipolar II Disorder who are feeling depressed and suicidal.
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Oral icalcaprant for adults with bipolar I or II: safety and symptom change
This trial will test whether taking oral icalcaprant once daily for six weeks is safe and helps reduce depressive symptoms in adults with bipolar I or II disorder.
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Synchronized eating for bipolar depression
This trial will test whether limiting eating to a 10-hour daily window plus usual care helps adults aged 18–55 with bipolar depression compared with nutritional counselling plus usual care.
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Comparing lithium and lamotrigine for treating Bipolar II Disorder
This study is testing whether lithium or lamotrigine works better to stabilize mood in people with Bipolar II Disorder.
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Naturalistic treatment and follow-up for youth with bipolar spectrum disorders
This study looks at young people aged 9 to 19 with bipolar spectrum disorders to see how well they do over a year while receiving standard treatments and tracking their progress.
Related topics
Quick answers
How many Bipolar II Disorder clinical trials are recruiting right now?
8, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 4 countries. The most sites are in United States (5 trials), Hong Kong (1 trial), Canada (1 trial), Denmark (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 2: 2, Phase 4: 2. 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.