Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Bipolar Disorder I: early-phase trial registry
2 of 4 indexed Bipolar Disorder I trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #4,115 of 28,707 conditions by registered trial count.
4 US clinical trials · 2 currently recruiting · #4,115 of 28,707 conditions by registered trial count
Bipolar Disorder I: 4 US clinical trials tracked, 2 recruiting.
Bipolar Disorder I is the subject of 4 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is BioXcel Therapeutics, running 1 of these trials.
Enrollment posture brief
Registry condition bipolar-disorder-i
OPEN 2 | RECR 50% | LATE 0 | EARLY 2 | RANK #4115 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Abdominal Aortic Aneurysms (50% recruiting · 6 trials)
Bipolar Disorder I lists 2 open slots (50% of 4 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Bipolar Disorder I on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Bipolar Disorder I is recruiting above its size-band peers.
2 of 4 indexed trials (50%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
Open and recent trials
4 total, page 1 of 1
Determining Efficacy and Safety of BXCL501 in Agitation Associated With Pediatric Schizophrenia and Bipolar Disorder
BioXcel Therapeutics
NCT05025605
Cerebellar Modulation of Cognition in Psychosis
Mclean Hospital
NCT06107764
Unobtrusive Monitoring of Affective Symptoms and Cognition Using Keyboard Dynamics (UnMASCK)
University of Illinois at Chicago
NCT04358900
Treating Smokers With Mental Illness
University of Minnesota
NCT03822416
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Bipolar Disorder I records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Bipolar Disorder I trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Bipolar Disorder I page
4 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Bipolar Disorder I trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- BioXcel Therapeutics sponsors the most Bipolar Disorder I trials on record, review their full trial history before evaluating a specific study. See BioXcel Therapeutics's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Bipolar Disorder I condition card totals 4 registered trials; most-linked intervention Nicotine lozenge; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.