Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Drug Abuse: early-phase trial registry
3 of 22 indexed Drug Abuse trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #756 of 28,707 conditions by registered trial count.
22 US clinical trials · 3 currently recruiting · #756 of 28,707 conditions by registered trial count
Drug Abuse: 22 US clinical trials tracked, 3 recruiting.
Drug Abuse is the subject of 22 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. 3 are in Phase 3-4 (later-stage) and 7 in Phase 1-2 (earlier-stage). The most active sponsor is T. John Winhusen, PhD, running 3 of these trials.
Enrollment posture brief
Registry condition drug-abuse
OPEN 3 | RECR 14% | LATE 3 | EARLY 7 | RANK #756 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Chronic Myeloproliferative Disorders (14% recruiting · 22 trials)
Drug Abuse lists 3 open slots (14% of 22 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 Drug Abuse 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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Drug Abuse is recruiting below its size-band peers.
3 of 22 indexed trials (13.6%) are open to enrollment, against a 39.7% average across 762 conditions with 20-99 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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Sponsorship of Drug Abuse trials is spread across many organizations.
T. John Winhusen, PhD accounts for 3 of 22 trials (13.6%). 18 distinct sponsors appear on at least one study for this condition label.
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Typical Drug Abuse enrolment sits around 130 participants.
Median target enrolment is 130 among the 22 trials that report a genuine target (sentinel values excluded). 8 of those (36.4%) plan for fewer than 100 participants.
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Drug Abuse research is mostly interventional.
19 interventional and 3 observational studies make up this index (86.4% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
22 total, page 1 of 1
Advanced Functional and Structural MRI Techniques for Neuropharmacological Imaging
National Institute on Drug Abuse (NIDA)
NCT01036581
Wakaya: Rising Up for Choctaw Youth Health
University of Washington
NCT05818384
Suicidal Behavior in Patients Diagnosed With Bipolar Disorder
Emory University
NCT02604277
OUD Smartphone Services
Western Michigan University
NCT06134882
Screening, Motivational Assessment, Referral, and Treatment in Emergency Departments
University of New Mexi
NCT01207791
Adolescent Family-Based Alcohol Prevention
Pacific Institute for Research and Evaluation
NCT00858065
Assessing Screening Plus Brief Intervention's Resulting Efficacy (ASPIRE) to Stop Drug Use
Boston Medical Center
NCT00876941
Indirect Assessment and Intervention for Perinatal Drug Use
Wayne State University
NCT01650675
Acute Intervention to Reduce Distress Following Sexual Assault
Medical University of South Carolina
NCT01622855
Youth Drug Abuse Family and Cognitive-Behavioral Therapy
University of Florida
NCT00198874
Medication Treatment for Opioid Use Disorder in Expectant Mothers
T. John Winhusen, PhD
NCT03918850
Effects of Nicotine on Brain Activity as Measured by fMRI
National Institute on Drug Abuse (NIDA)
NCT01037153
Dental and Medical Office iMET to Reduce Teen Tobacco, Alcohol, and Drug Use
Boston Children's Hospital
NCT00907309
Preventing HIV/STI in Urban Adolescents Via an mHealth Primary Care Intervention
University of Michigan
NCT03368456
Medication Treatment for Opioid Use Disorder in Expectant Mothers: Conceptual Model Assessments Sub-study
T. John Winhusen, PhD
NCT03911466
Computerized Brief Intervention vs. Delayed Computerized Brief Intervention
Friends Research Institute
NCT01936623
Medication Treatment for Opioid Use Disorder in Expectant Mothers: Infant Neurodevelopmental Outcomes Sub-study
T. John Winhusen, PhD
NCT03911739
Integration of Buprenorphine Into HIV Clinical Settings - Primary Care Model (PCM)
Yale University
NCT00798538
Effects of Levetiracetam (Keppra) on Alcohol Consumption
University of California, San Francisco
NCT01168687
A Study to Evaluate Abuse Potential of Istradefylline
Kyowa Kirin Co.
NCT02609477
Disulfiram Interactions With HIV Medications: Clinical Implications
University of California, San Francisco
NCT00878306
Evaluation of Smoked THC and CBD in Men and Women
University of California, Los Angeles
NCT05037487
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 5 |
| Phase 2 | 2 |
| Phase 3 | 2 |
| Phase 4 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Drug Abuse records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Drug Abuse 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 Drug Abuse page
22 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 3 Drug Abuse trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- T. John Winhusen, PhD sponsors the most Drug Abuse trials on record, review their full trial history before evaluating a specific study. See T. John Winhusen, PhD'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 Drug Abuse condition card totals 22 registered trials; most-linked intervention Buprenorphine Sublingual Product; top US site state Massachusetts. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.