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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:03 AM EDT

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Showing 25–48 of 269 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cannabis Use Disorders Clear all
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Investigating Cannabis Use Parameters on Anesthesia and Inflammation in Lumbar Spinal Surgeries

NCT07354412
View directory record Official record
Conditions
Cannabis Use
Interventions
Not listed
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Primary Care iSBIRT to Reduce Serious Teen Health Risks

NCT00891631
View directory record Official record
Conditions
Substance-related Disorders, Depression, High-risk Sex
Interventions
iSBIRT, iSBIRT/TE
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 21 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2016 · Synced Oct 21, 2026, 10:03 AM EDT
Completed No phase listed Observational

Medical Marijuana Use in HIV+ Patients Prospective Cohort Study

NCT01536899
View directory record Official record
Conditions
HIV Positive, Marijuana Smoking
Interventions
Not listed
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 70 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 21, 2026, 10:03 AM EDT
Not yet recruiting Not applicable Interventional

Emotional Brain Training for Addiction Medicine Treatment - A Pilot Study

NCT07001371
View directory record Official record
Conditions
Cannabis Use Disorder, Stimulant Use Disorder, Opioid Use Disorder, Tobacco Use Disorder, Alcohol Use Disorder, Sedative, Hypnotic, or Anxiolytic Use Disorders
Interventions
Emotional Brain Training, Standard addiction counseling and medical therapy
Behavioral · Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Bernardino, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional

Improving Brief Marijuana Interventions With a Behavioral Economic Supplement

NCT02837315
View directory record Official record
Conditions
Marijuana Use
Interventions
Brief Motivational Intervention (BMI), Substance-Free Activity Session (SFAS), Relaxation Session
Behavioral
Lead sponsor
University of Memphis
Other
Eligibility
18 Years and older
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 2, 2017 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Cannabidiol Pharmacotherapy for Adults With Cannabis Use Disorder

NCT03102918
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Cannabidiol, Placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 25, 2019 · Synced Oct 21, 2026, 10:03 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

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

NCT06124846
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
CB-Abst, CB-Mon
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
15 Years to 18 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Phase 2 Interventional Results available

A Trial of Guanfacine-er for Cannabis Use Disorder

NCT05273567
View directory record Official record
Conditions
Cannabis Use
Interventions
guanfacine-ER, Placebo
Drug · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional

Adaptive Treatment for Adolescent Cannabis Use Disorders

NCT01656707
View directory record Official record
Conditions
Mental Disorders, Addictive Behaviors, Cannabis Use Disorder
Interventions
ACRA, CBT
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
13 Years to 18 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 11, 2017 · Synced Oct 21, 2026, 10:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cannabis and Aging

NCT05084105
View directory record Official record
Conditions
Cannabis Use
Interventions
Not listed
Lead sponsor
Thorsten Rudroff
Other
Eligibility
50 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 24, 2022 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Project CheckUP: A Brief Behavioral Intervention for Quitline Callers Who Use Marijuana (MJ) and Tobacco

NCT04737772
View directory record Official record
Conditions
Smoking Cessation, Marijuana Use
Interventions
Behavioral: Quitline treatment as usual, QL Marijuana Check-Up intervention (QL-MJCU)
Behavioral
Lead sponsor
Consumer Wellness Solutions
Industry
Eligibility
21 Years and older
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Phase 2 Interventional Results available

Pharmacological Treatment of Comorbid Alcohol and Marijuana Withdrawal and Dependence

NCT02210195
View directory record Official record
Conditions
Cannabis Dependence, Alcohol Dependence, Cannabis Use Disorder, Alcohol Use Disorder
Interventions
aprepitant, Placebo, Manual-guided behavioral counseling
Drug · Behavioral
Lead sponsor
The Scripps Research Institute
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 2, 2017 · Synced Oct 21, 2026, 10:03 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Effect of Cannabis on Cigarette Use Behavior

NCT06609083
View directory record Official record
Conditions
Cannabis Use, Tobacco Use, Cigarette Smoking
Interventions
THC 30mg, THC 5mg, THC 0mg, Cigarette Full Nicotine, Cigarette Reduced Nicotine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 16, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Recruiting Phase 2 Interventional

Cannabidiol and Cannabis Concentrate Users

NCT06575751
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Broad Spectrum Cannabidiol (bsCBD) 400 mg, Broad Spectrum Cannabidiol (bsCBD) 200 mg, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
25 Years to 60 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Active, not recruiting Not applicable Interventional

Cannabis Use Disorder Treatment Study

NCT04567394
View directory record Official record
Conditions
Cannabis Use Disorder, Mild, Cannabis Use Disorder, Moderate, Cannabis Use Disorder, Severe
Interventions
Peer Network Counseling-txt
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 25 Years
Enrollment
1,077 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
2
States / cities
Fort Collins, Colorado • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Recruiting Not applicable Interventional

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

NCT05453513
View directory record Official record
Conditions
Depression, Cannabis Use Disorder, HIV
Interventions
MRI Study
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 59 Years
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

The Effect of Prescription Medications in Marijuana Users

NCT00893074
View directory record Official record
Conditions
Marijuana Abuse
Interventions
Dronabinol 30mg/day, Dronabinol 60mg/day, Dronabinol 120mg/day, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 3, 2017 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gender-Responsive Drug Use Treatment for Juvenile Justice Girls

NCT02293057
View directory record Official record
Conditions
Drug Use
Interventions
VOICES Group, Girl Health Group
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
12 Years to 24 Years · Female only
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 23, 2020 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Emerging Adults Who Use Alcohol and Marijuana

NCT01473719
View directory record Official record
Conditions
Alcohol Use, Marijuana Use, Sexually Transmitted Infections
Interventions
motivational intervention, health education
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 25 Years
Enrollment
566 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 18, 2017 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Alcohol and Cannabis Concentrates Co-Administration

NCT05999344
View directory record Official record
Conditions
Alcohol Use Disorder, Cannabis Use
Interventions
commercially available cannabis administered prior to commercially available alcohol, commercially available alcohol administered prior to commercially available cannabis
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 65 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Oct 21, 2026, 10:03 AM EDT
Not listed No phase listed Observational

Evaluating the Effects of Cannabis Use and Circulating Cannabinoids on Tumor Infiltrating Lymphocytes in Malignant Melanoma

NCT05520294
View directory record Official record
Conditions
Melanoma
Interventions
High-performance liquid chromatography-tandem mass spectrometry assays
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 100 Years
Enrollment
90 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Oct 21, 2026, 10:03 AM EDT
Recruiting Not applicable Interventional

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

NCT07184983
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Active Transcranial Direct Current Stimulation (tDCS), Sham Transcranial Direct Current Stimulation (tDCS), Mindfulness meditation
Device · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
22 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Pregnancy-associated Hormones on THC Metabolism in Women

NCT04374773
View directory record Official record
Conditions
Pregnancy Related, Cannabis Use
Interventions
Dronabinol
Drug
Lead sponsor
University of Washington
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 21, 2026, 10:03 AM EDT
Recruiting No phase listed Observational

Cannabis Use and Outcomes in Black and White Patients With Cancer

NCT06037681
View directory record Official record
Conditions
Cancer
Interventions
Not listed
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
21 Years to 99 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Buffalo, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Oct 21, 2026, 10:03 AM EDT