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ClinicalTrials.gov public records Last synced May 21, 2026, 9:57 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 559 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Marijuana Clear all
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Positron Emission Tomography
Interventions
positron emission tomography scan
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
San Diego, California • West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 6, 2019 · Synced May 21, 2026, 9:57 PM EDT
Recruiting No phase listed Observational
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 29, 2025 · Synced May 21, 2026, 9:57 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Marijuana Abuse
Interventions
MET, MOMENT
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
15 Years to 24 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts • Jamaica Plain, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 11, 2016 · Synced May 21, 2026, 9:57 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy
Interventions
Naloxone, Delta-9-THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced May 21, 2026, 9:57 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Brain Metabolic Changes During Marijuana Abstinence
Interventions
abstinence from use of marijuana and other abused drugs
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
21 Years to 40 Years
Enrollment
37 participants
Timeline
2017 – 2020
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced May 21, 2026, 9:57 PM EDT
Enrolling by invitation No phase listed Observational
View directory record Official record
Conditions
Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced May 21, 2026, 9:57 PM EDT
Completed Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Essential Tremor
Interventions
CBD/THC, Placebo oral capsule
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Oct 12, 2022 · Synced May 21, 2026, 9:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Alcohol Misuse, Cannabis Misuse
Interventions
Motivational Intervention Reduction through Ecological Application (MiREA-A). MiREA-AC-- the expanded MiREA-A,
Behavioral
Lead sponsor
mHealth Systems Inc.
Industry
Eligibility
18 Years to 26 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Charlotte, North Carolina • Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced May 21, 2026, 9:57 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Cannabis Use
Interventions
Social Media Intervention
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 25 Years
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 10, 2022 · Synced May 21, 2026, 9:57 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Marijuana Abuse
Interventions
AEF0117, Placebo oral capsule
Drug
Lead sponsor
Aelis Farma
Industry
Eligibility
18 Years to 65 Years
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
11
States / cities
Phoenix, Arizona • Garden Grove, California • Los Angeles, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced May 21, 2026, 9:57 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Suicide, Alcohol Abuse, Drug Abuse, HIV
Interventions
Prevention program
Behavioral
Lead sponsor
George Mason University
Other
Eligibility
13 Years to 18 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 27, 2014 · Synced May 21, 2026, 9:57 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Cannabis Dependence
Interventions
quetiapine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced May 21, 2026, 9:57 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Cannabis Use
Interventions
Progesterone, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 45 Years
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced May 21, 2026, 9:57 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
Interventions
Active Dronabinol, Placebo, Active Ethanol
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced May 21, 2026, 9:57 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Drug Addiction
Interventions
Zolpidem extended-release, MET/CBT
Drug · Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 21, 2019 · Synced May 21, 2026, 9:57 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Cancer
Interventions
Not listed
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
21 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Portland, Oregon • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced May 21, 2026, 9:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Alcohol Drinking, Marijuana
Interventions
Text Messaging and Brief Negotiation Interview
Behavioral
Lead sponsor
Yale University
Other
Eligibility
13 Years to 18 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced May 21, 2026, 9:57 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Nicotine Dependence, Cannabis Use Disorder
Interventions
Bupropion, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
13 Years to 19 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 22, 2019 · Synced May 21, 2026, 9:57 PM EDT
Completed Not applicable Interventional
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 10, 2017 · Synced May 21, 2026, 9:57 PM EDT
Recruiting Phase 2 Interventional
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 Apr 30, 2026 · Synced May 21, 2026, 9:57 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cannabis Intoxication, Alcohol Intoxication
Interventions
Cannabis, Alcohol
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced May 21, 2026, 9:57 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
Not listed
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced May 21, 2026, 9:57 PM EDT
Not listed Phase 2Phase 3 Interventional
View directory record Official record
Conditions
Alcohol Abuse, Alcohol Dependence, Cannabis Abuse, Cannabis Dependence, Other Substance Abuse
Interventions
Adolescent group therapy, Transitional family therapy
Behavioral
Lead sponsor
The Morton Center, Inc.
Other
Eligibility
13 Years to 17 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2012
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 25, 2011 · Synced May 21, 2026, 9:57 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Cocaine Dependence, Cocaine Use Disorder, Opiate Dependence, Opioid-use Disorder, Cannabis Dependence
Interventions
Four-Session Mind Freedom Plan, Treatment as usual therapy
Behavioral
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 6, 2018 · Synced May 21, 2026, 9:57 PM EDT