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ClinicalTrials.gov 2 recruiting now later-stage tilt small index

Drug Addiction: later-stage trial registry

2 of 15 indexed Drug Addiction trials are currently recruiting, with more weight in Phase 3-4.

Corpus placement: #1,140 of 28,707 conditions by registered trial count.

15 US clinical trials · 2 currently recruiting · #1,140 of 28,707 conditions by registered trial count

Drug Addiction: 15 US clinical trials tracked, 2 recruiting.

Drug Addiction is the subject of 15 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 3 are in Phase 3-4 (later-stage) and 1 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-addiction

OPEN 2 | RECR 13% | LATE 3 | EARLY 1 | RANK #1140 | SPON 3

Nearest open-share peer: Hereditary Angioedema (13% recruiting · 15 trials)

Advanced Lung Non-Small Cell53.3%AIDS26.7%Drug Addiction (this)13%Adult Acute Myeloid Leukemia0%Adult Glioblastoma0%
Open-enrollment share among volume-matched conditions near Drug Addiction

Drug Addiction lists 2 open slots (13% of 15 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 Addiction 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.

  1. Drug Addiction is recruiting below its size-band peers.

    2 of 15 indexed trials (13.3%) 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.

  2. One sponsor concentrates Drug Addiction research.

    T. John Winhusen, PhD accounts for 3 of 15 trials (20%). 10 distinct sponsors appear on at least one study for this condition label.

  3. Most Drug Addiction trials plan to enrol fewer than 100 people.

    Median target enrolment is 89 among the 14 trials that report a genuine target (sentinel values excluded). 9 of those (64.3%) plan for fewer than 100 participants.

  4. Drug Addiction splits between interventional and observational designs.

    10 interventional and 5 observational studies make up this index (66.7% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 21Phase 31Phase 42

Open and recent trials

15 total, page 1 of 1

RECRUITING NA 225 participants

Long-Term Treatment of Opioid Use Disorder

Northern Michigan University

NCT05534815

RECRUITING 150 participants

Outcome Inference in the Sensory Preconditioning Task in Opioid-Use Disorder

National Institute on Drug Abuse (NIDA)

NCT03745339

COMPLETED NA 158 participants

Innovative Digital Therapeutic for Smoking Cessation

My Digital Study

NCT03694327

COMPLETED Phase 2 158 participants

Treating the Partners of Drug Using Pregnant Women: Stage II

Johns Hopkins University

NCT00496990

COMPLETED Phase 3 140 participants

Medication Treatment for Opioid Use Disorder in Expectant Mothers

T. John Winhusen, PhD

NCT03918850

COMPLETED 97 participants

Medication Treatment for Opioid Use Disorder in Expectant Mothers: Conceptual Model Assessments Sub-study

T. John Winhusen, PhD

NCT03911466

COMPLETED 89 participants

Individual Differences in Reward and Impulse Control

National Institute on Drug Abuse (NIDA)

NCT01621607

COMPLETED NA 80 participants

Examining the Effect of the Nicotine Patch in Male and Female Smokers - 3

Virginia Commonwealth University

NCT00390559

COMPLETED 71 participants

Medication Treatment for Opioid Use Disorder in Expectant Mothers: Infant Neurodevelopmental Outcomes Sub-study

T. John Winhusen, PhD

NCT03911739

COMPLETED NA 65 participants

Effects of MDMA on Social and Emotional Processing

University of Chicago

NCT01849419

COMPLETED Phase 4 60 participants

Integration of Buprenorphine Into HIV Clinical Settings - Primary Care Model (PCM)

Yale University

NCT00798538

COMPLETED Phase 4 52 participants

Buprenorphine and Integrated HIV Care

Yale University

NCT00317460

COMPLETED NA 38 participants

Cannabidiol and Emotional Stimuli

University of Chicago

NCT02902081

COMPLETED NA 24 participants

AWAITS: A Web-based E-health Application for Active Illicit Opioid Users

University of Cincinnati

NCT03402672

COMPLETED

HIV Infection and Tobacco Use Among Injection Drug Users in Baltimore, Maryland: A Pilot Study of Biomarkers

National Cancer Institute (NCI)

NCT00491335

Phase Distribution

PhaseTrial count
Phase 2 1
Phase 3 1
Phase 4 2

Named interventions

Most-linked intervention names on Drug Addiction records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Buprenorphine Sublingual Product Drug
3 trials
Buprenorphine Injection Drug
3 trials
Services remain dispersed; i.e., not centralized to one-location or provider. Other
1 trials
Services will be provided at one site Other
1 trials
Placebo cigarette Other
1 trials
Nicotine containing cigarette Other
1 trials
Nicotine transdermal system Drug
1 trials
Within-subjects (placebo) Drug
1 trials

US sites by state

Facility locations filed on Drug Addiction trials. A trial with sites in several states counts in each.

Maryland 4 trials
West Virginia 3 trials
Washington 3 trials
Utah 3 trials
Tennessee 3 trials
South Carolina 3 trials
Pennsylvania 3 trials
Oregon 3 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Drug Addiction page

15 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

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 Addiction condition card totals 15 registered trials; most-linked intervention Buprenorphine Sublingual Product; top US site state Maryland. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.