Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Opioid Use Disorders: early-phase trial registry
1 of 3 indexed Opioid Use Disorders trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #5,209 of 28,707 conditions by registered trial count.
3 US clinical trials · 1 currently recruiting · #5,209 of 28,707 conditions by registered trial count
Opioid Use Disorders: 3 US clinical trials tracked, 1 recruiting.
Opioid Use Disorders is the subject of 3 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Washington University School of Medicine, running 1 of these trials.
Enrollment posture brief
Registry condition opioid-use-disorders
OPEN 1 | RECR 33% | LATE 0 | EARLY 1 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Adherence, Treatment (33% recruiting · 6 trials)
Opioid Use Disorders lists 1 open slots (33% of 3 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 Opioid Use Disorders 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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Opioid Use Disorders is recruiting below its size-band peers.
1 of 3 indexed trials (33.3%) 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
3 total, page 1 of 1
Systems Analysis and Improvement to Optimize Opioid Use Disorder Care Quality and Continuity for Patients Exiting Jail
University of Washington
NCT06593353
Primary Care Intervention to Reduce Prescription Opioid Overdoses
VA Office of Research and Development
NCT02464410
mHealth to Help Pregnant and Postpartum Women in Recovery for Opioid Use Disorder
Washington University School of Medicine
NCT06701123
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Opioid Use Disorders records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Opioid Use Disorders 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 Opioid Use Disorders page
3 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Opioid Use Disorders trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Washington University School of Medicine sponsors the most Opioid Use Disorders trials on record, review their full trial history before evaluating a specific study. See Washington University School of Medicine'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 Opioid Use Disorders condition card totals 3 registered trials; most-linked intervention uMAT-R mobile app with coaching component; top US site state Washington. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.