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ClinicalTrials.gov 25 recruiting now early-phase tilt

Cannabis Use Disorder: early-phase trial registry

25 of 35 indexed Cannabis Use Disorder trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #435 of 28,707 conditions by registered trial count.

35 US clinical trials · 25 currently recruiting · #435 of 28,707 conditions by registered trial count

Cannabis Use Disorder: 35 US clinical trials tracked, 25 recruiting.

Cannabis Use Disorder is the subject of 35 registered US clinical trials on ClinicalTrials.gov, 25 of them currently open to new participants. 4 are in Phase 3-4 (later-stage) and 17 in Phase 1-2 (earlier-stage). The most active sponsor is Medical University of South Carolina, running 6 of these trials.

Enrollment posture brief

Registry condition cannabis-use-disorder

OPEN 25 | RECR 71% | LATE 4 | EARLY 17 | RANK #435 | SPON 6

Nearest open-share peer: ACL Tear (71% recruiting · 7 trials)

Cannabis Use Disorder (this)71%Cirrhosis, Liver60%Communication34.3%Carcinoma, Renal Cell17.1%Advanced Lymphoma8.6%
Open-enrollment share among volume-matched conditions near Cannabis Use Disorder

Cannabis Use Disorder lists 25 open slots (71% of 35 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 Cannabis Use Disorder 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. Cannabis Use Disorder is recruiting above its size-band peers.

    25 of 35 indexed trials (71.4%) 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.

  2. One sponsor concentrates Cannabis Use Disorder research.

    Medical University of South Carolina accounts for 6 of 35 trials (17.1%). 20 distinct sponsors appear on at least one study for this condition label.

  3. Typical Cannabis Use Disorder enrolment sits around 80 participants.

    Median target enrolment is 80 among the 35 trials that report a genuine target (sentinel values excluded). 20 of those (57.1%) plan for fewer than 100 participants.

  4. Cannabis Use Disorder research is mostly interventional.

    33 interventional and 2 observational studies make up this index (94.3% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 19Phase 28Phase 31Phase 43

Open and recent trials

35 total, page 1 of 1

RECRUITING NA 294 participants

Integrated Treatment for Enhancing Growth in Recovery During Adolescence

Massachusetts General Hospital

NCT06395467

RECRUITING NA 280 participants

The Neural Underpinnings of Depression and Cannabis Use in Young People Living With HIV

University of Miami

NCT05453513

RECRUITING 250 participants

SV2 PET Imaging With [11C]APP311

Yale University

NCT03995121

RECRUITING Phase 1 215 participants

Genetics of Cannabis Use Disorder and Cannabinoid Response in Humans

Yale University

NCT06058702

RECRUITING Phase 3 200 participants

Cannabis-Tobacco Co-Use Treatment Study

Medical University of South Carolina

NCT06883162

RECRUITING Phase 2 200 participants

A Study of Cannabidiol in Young Adult Cannabis Users

University of Colorado, Denver

NCT06569394

RECRUITING 200 participants

Study of Oral Fluid Testing Approach

Boston Children's Hospital

NCT06891235

RECRUITING NA 176 participants

Cannabis Reduction and Functional Outcomes

Medical University of South Carolina

NCT07218471

RECRUITING Phase 2 165 participants

Longitudinal Outpatient Treatment for Cannabis Use Disorder

University of Colorado, Boulder

NCT06107062

RECRUITING Phase 1 148 participants

SCORE Emerging Adult Cannabis Use & Stress

Medical University of South Carolina

NCT05885542

RECRUITING NA 120 participants

Stress and Pain in People Living With HIV

Yale University

NCT06784908

RECRUITING Phase 2 120 participants

Cannabidiol and Cannabis Concentrate Users

University of Colorado, Denver

NCT06575751

RECRUITING NA 80 participants

Evaluation of a Brief Computerized and Smart Phone-based Intervention for Stress in Regular Cannabis Users

Florida State University

NCT06085222

RECRUITING NA 80 participants

Preliminary Efficacy Trial of a Digital Intervention for Depression and Cannabis Use

Massachusetts General Hospital

NCT06878859

RECRUITING NA 80 participants

Neuroimaging of Adolescent Cannabis Use Treatment

Indiana University

NCT07340554

RECRUITING Phase 1 68 participants

Mitigating PTSD-CUD After Sexual Assault

University of Nevada, Las Vegas

NCT05989841

RECRUITING NA 64 participants

Determining the Effect of Six Weeks of Cannabis Abstinence on Fronto- Striatal fMRI Markers in Adolescents With Cannabis Use Disorder (ABSCAN)

University of Minnesota

NCT06124846

RECRUITING NA 62 participants

A Brief Intervention for Cannabis Use

Medical University of South Carolina

NCT06395389

RECRUITING Early Phase 1 51 participants

SV2A Density Cannabis Use Disorder

Yale University

NCT05472818

RECRUITING NA 46 participants

RS-tDCS for Cannabis Use Disorder: The C.A.R.E.S. Initiative

NYU Langone Health

NCT07184983

RECRUITING Early Phase 1 36 participants

Cannabinoids and Biological Reactivity to Stress

Florida State University

NCT06430580

RECRUITING Phase 2 28 participants

Effects of THC on Alcohol Consumption and Neural Correlates of Reward

University of Colorado, Denver

NCT06446479

RECRUITING Phase 4 20 participants

Evaluation of Suvorexant for Reduction of Brain Reactivity in Patients With Cannabis Use Disorder (Pilot Study)

Massachusetts General Hospital

NCT06584942

RECRUITING Phase 1 15 participants

Use of a Generative AI (Gen-AI) Chatbot for Anxiety and Depression Among Persons With Cannabis Use

Trustees of Dartmouth College

NCT06920238

RECRUITING Phase 1 12 participants

Psilocybin-assisted Treatment for Cannabis Use Disorder

Johns Hopkins University

NCT06660381

ACTIVE NOT RECRUITING NA 10 participants

Breathwork-assisted Treatment for Cannabis Use Disorder

Elias Dakwar

NCT05219825

COMPLETED Phase 2 174 participants

UH3 Varenicline for Cannabis Use Disorder

Medical University of South Carolina

NCT03980561

COMPLETED NA 172 participants

Adaptive Treatment for Adolescent Cannabis Use Disorders

UConn Health

NCT01656707

COMPLETED Phase 4 105 participants

Bupropion for ADHD in Adolescents With Substance Use Disorder

University of Colorado, Denver

NCT00936299

COMPLETED Phase 2 72 participants

A Preliminary Investigation of Pre-Frontal Repetitive Transcranial Magnetic Stimulation (rTMS) for the Treatment of Cannabis Use Disorder

Stanford University

NCT03144232

COMPLETED Phase 1 68 participants

Integrated CBT for Cannabis Dependence With Co-occurring Anxiety Disorders

Louisiana State University and A&M College

NCT01875796

COMPLETED Phase 2 52 participants

A Teleheath tDCS Approach to Decrease Cannabis Use

NYU Langone Health

NCT05005013

COMPLETED Phase 2 33 participants

Treatment of Cannabis Use Disorder Among Adults With Comorbid Attention-Deficit/Hyperactivity Disorder

New York State Psychiatric Institute

NCT02803229

COMPLETED Phase 4 11 participants

Reducing Cannabis Overuse With Prazosin

VA Puget Sound Health Care System

NCT04721353

COMPLETED Early Phase 1 8 participants

Progesterone for Cannabis Withdrawal

Medical University of South Carolina

NCT03430050

Phase Distribution

PhaseTrial count
Phase 1 9
Phase 2 8
Phase 3 1
Phase 4 3

Named interventions

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

Placebo Drug
8 trials
Broad Spectrum Cannabidiol (bsCBD) 400 mg Drug
2 trials
[11C]APP311 Drug
2 trials
Contingency Management Behavioral
2 trials
Varenicline Drug
2 trials
ACRA Behavioral
1 trials
False Safety Behavior Elimination Therapy Behavioral
1 trials
Integrated Cannabis and Anxiety Reduction Treatment Behavioral
1 trials

US sites by state

Facility locations filed on Cannabis Use Disorder trials. A trial with sites in several states counts in each.

South Carolina 6 trials
Connecticut 6 trials
Colorado 5 trials
New York 4 trials
Massachusetts 4 trials
Florida 3 trials
Minnesota 2 trials
Washington 1 trials

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

What to do with this Cannabis Use Disorder page

35 registered trials, 25 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 Cannabis Use Disorder condition card totals 35 registered trials; most-linked intervention Placebo; top US site state South Carolina. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.