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ClinicalTrials.gov public records Last synced Sep 6, 2026, 7:24 PM EDT

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Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 1 Interventional Accepts healthy volunteers

Galantamine Effects on Cognitive Function in Marijuana Users

NCT00969696
Conditions
Memory
Interventions
Placebo, Galantamine
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
West Haven, Connecticut
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effects of Smoked Marijuana on Risk Taking and Decision Making Tasks

NCT00373399
Conditions
Marijuana Use Disorder
Interventions
Inactive Marijuana (0% THC), Low THC marijuana (1.8 %THC), High THC marijuana (3.9% THC)
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Conditions
Cannabis Use Disorder
Interventions
Emotional Engagement Distress Tolerance Intervention, Health Education Intervention
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 30 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Tallahassee, Florida
Completed Not applicable Interventional Results available

Effect of Oxytocin on Stress in Marijuana Users

NCT01335789
Conditions
Marijuana Dependence
Interventions
Oxytocin, Saline
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Charleston, South Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Investigating Real-world Stress-related Mechanisms in Heavy Cannabis Users

NCT05833230
Conditions
Cannabis Use, Cannabis, Cannabis Abuse
Interventions
Intensive Day Monitoring
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Cannabis
Interventions
iTBS
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
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
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
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
Not listed No phase listed Observational Accepts healthy volunteers

Colorado Marijuana Users Health Cohort

NCT02735954
Conditions
COPD, Insomnia, Cannabis
Interventions
Marijuana
Other
Lead sponsor
National Jewish Health
Other
Eligibility
21 Years to 80 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Denver, Colorado
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

CB1R in Synthetic Psychoactive Cannabinoids

NCT03539575
Conditions
Drug Dependence
Interventions
[11-C]OMAR
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Not listed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Interactions of Cannabidiol (CBD) With Morphine

NCT05143424
Conditions
Opioid Use Disorder
Interventions
Morphine Sulfate
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Overland Park, Kansas
Conditions
Substance Abuse, Depression
Interventions
SHADE therapy + CONNECT FaceBook support
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
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
Recruiting Not applicable Interventional

Cannabis and Processing Emotions Study

NCT06907979
Conditions
Cannabis Use Disorder, Severe
Interventions
TMS - Sham, TMS - Active iTBS, TMS - Active cTBS
Device
Lead sponsor
Auburn University
Other
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Auburn, Alabama
Completed No phase listed Observational Accepts healthy volunteers

Attempts to Stop/Reduce Marijuana Among Dependent Users

NCT01039415
Conditions
Marijuana Abuse, Marijuana Dependence
Interventions
Not listed
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Burlington, Vermont
Conditions
Cannabis Use Disorder
Interventions
Broad Spectrum Cannabidiol (bsCBD) 400 mg, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 25 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Terminated Phase 1Phase 2 Interventional Results available

Nabilone in Cannabis Users With PTSD

NCT03251326
Conditions
Cannabis, Post Traumatic Stress Disorder
Interventions
Nabilone, Cannabis, Propranolol, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Conditions
Schizophrenia Spectrum Disorders, Cannabis Use
Interventions
Cannabidiol (CBD), Placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 35 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2050
U.S. locations
3
States / cities
Los Angeles, California • Baltimore, Maryland • Catonsville, Maryland
Conditions
Marijuana Abuse
Interventions
N-acetyl cysteine
Drug
Lead sponsor
Wayne State University
Other
Eligibility
21 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Cannabis Use Disorder
Interventions
CUD-AMT, SUD-CBT
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 25 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
2
States / cities
Los Angeles, California
Conditions
Cannabis Dependence
Interventions
Behavioral Intervention
Behavioral
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 65 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Glen Oaks, New York • Manhasset, New York
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Repeated CBD Administration and Cannabis Outcomes

NCT07434895
Conditions
Cannabis, Abuse Liability, Experimental Pain in Healthy Human Participants
Interventions
Cannabidiol, Medium Dose, Cannabidiol, Higher Dose, Active Inhaled Cannabis, Placebo Cannabidiol, Placebo Inhaled Cannabis
Drug
Lead sponsor
Hannah Harris
Other
Eligibility
18 Years to 55 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Lexington, Kentucky
Recruiting Not applicable Interventional

Medical Cannabis and Behavior

NCT06808048
Conditions
Chronic Pain Patients, Medical Cannabis Users
Interventions
Cognitive testing, Task-based fMRI measure of face-name and verbal learning
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
30 Years to 75 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Sleep, Anxiety, Depression, Pain
Interventions
fsCBD Cannabidiol, bsCBD Cannabidiol, Placebo
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
60 Years and older
Enrollment
385 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boulder, Colorado