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ClinicalTrials.gov public records Last synced Oct 20, 2026, 9:53 AM EDT

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Showing 1–24 of 95 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Marijuana Smoking Clear all
Completed Not applicable Interventional

Short-Term Exposure for PTSD

NCT02874898
View directory record Official record
Conditions
Chronic Post-Traumatic Stress Disorder, Marijuana Abuse
Interventions
Brief Imaginal Exposure
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Oct 20, 2026, 9:53 AM EDT
Recruiting Phase 3 Interventional

Efficacy of PP-01 in Mitigating Cannabis Withdrawal Symptoms in Adults With Cannabis Use Disorder

NCT07644052
View directory record Official record
Conditions
Cannabis Withdrawal
Interventions
PP-01, Nabilone, Placebo
Combination Product · Drug
Lead sponsor
PleoPharma, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
22
States / cities
Little Rock, Arkansas • Rogers, Arkansas • New Haven, Connecticut + 19 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Not applicable Interventional

Influencer E-Cigarette and Cannabis Marketing: a Survey-Based Experiment Among Adolescents

NCT06919263
View directory record Official record
Conditions
Electronic Nicotine Delivery Systems
Interventions
Influencer marketing
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
16 Years to 17 Years
Enrollment
1,462 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 2 Interventional Results available

Cognitive Behavioral Therapy and the Nicotine Transdermal Patch for Cannabis Dependence and Nicotine Dependence

NCT01292642
View directory record Official record
Conditions
Cannabis Dependence, Nicotine Dependence
Interventions
Cognitive Behavioral Therapy, Nicotine Replacement Therapy
Behavioral · Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 14, 2013 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Dronabinol (Oral THC) on Cannabis Use

NCT01394185
View directory record Official record
Conditions
Marijuana Smoking
Interventions
Dronabinol 120mg/day, Placebo, Dronabinol 240mg/day
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 3, 2017 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Not applicable Interventional

Mobile Intervention for Simultaneous Alcohol and Marijuana Use in Young Adults

NCT05991882
View directory record Official record
Conditions
Alcohol Drinking, Cannabis Use
Interventions
Condition 1: Craving daily+PBS daily, Condition 2: Craving daily+PBS trigger, Condition 3: Craving trigger+PBS daily, Condition 4: Craving trigger+PBS trigger, Condition 5: PBS daily+ PBS trigger, Condition 6: Craving daily+Craving trigger, Condition 7: Craving daily+Craving trigger+PBS daily+PBS trigger, Condition 8: No daily or trigger craving or PBS
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 30 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 20, 2026, 9:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Perceptual Influences From Smoking Cannabis: an Experimental Study

NCT06588582
View directory record Official record
Conditions
Cannabis Use, Stress
Interventions
Water Temperature Variation - WW, Water Temperature Variation - CW
Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
21 Years to 65 Years
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 13, 2025 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Motivation and Skills for Delta-9-tetrahydrocannabinol/Ethanol (THC/ETOH+) Teens in Jail

NCT00506753
View directory record Official record
Conditions
Alcohol Drinking, Marijuana Smoking
Interventions
MI/CBT, RT/SU
Behavioral
Lead sponsor
University of Rhode Island
Other
Eligibility
14 Years to 19 Years
Enrollment
205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2011
U.S. locations
1
States / cities
Cranston, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Not applicable Interventional Results available

Mobile Contingency Management for Marijuana and Tobacco Cessation

NCT02869451
View directory record Official record
Conditions
Cigarette Smoking, Marijuana Abuse
Interventions
bupropion, transdermal nicotine patch, Nicotine polacrilex, nicotine lozenge, counseling for marijuana and smoking cessation, mobile contingency management
Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 7, 2020 · Synced Oct 20, 2026, 9:53 AM EDT
Not listed Not applicable Interventional

Examining Effects of Domain Specific Episodic Future Thinking on Cannabis Use

NCT05324813
View directory record Official record
Conditions
Marijuana Use, Marijuana Dependence, Tobacco Use, Alcohol Use, Unspecified
Interventions
Domain-Specific Episodic Future Thinking
Behavioral
Lead sponsor
Michael Sofis
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Sudbury, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 12, 2022 · Synced Oct 20, 2026, 9:53 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Cannabis Consumption and Driving Impairment Assessment on a Closed Course

NCT06059677
View directory record Official record
Conditions
Cannabis Smoking, Driving Impaired
Interventions
Active smoked cannabis, Placebo smoked cannabis
Drug
Lead sponsor
Bayliss J. Camp, PhD
Government
Eligibility
21 Years to 55 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2023 · Synced Oct 20, 2026, 9:53 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 20, 2026, 9:53 AM EDT
Recruiting Not applicable Interventional

Brief Interventions to Reduce Comorbid Alcohol and Cannabis Misuse and Sleep Impairment in Young Adults (Rest-Up RCT)

NCT06736444
View directory record Official record
Conditions
Insomnia, Alcohol Use, Marijuana Use
Interventions
Brief Behavioral Therapy for Insomnia (BBTI), Brief Alcohol Screening and Intervention for College Students (BASICS), Attention Control
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 29 Years
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 20, 2026, 9:53 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Carcinogen and Toxicant Exposure Among Young Adults Who Co-Use Cigarettes, E-cigarettes and Cannabis (Co-Tox Study)

NCT07167225
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma, E-Cig Use
Interventions
Effectiveness of different recruitment approaches, Choice of study completion locations, Cannabis Engagement Assessment, E-cigarette dependence Scale, Nicotine dependence Scale, Co use practices QUestionnaire
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 25 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 20, 2026, 9:53 AM EDT
Recruiting Not applicable Interventional

Neuroimaging of Adolescent Cannabis Use Treatment

NCT07340554
View directory record Official record
Conditions
Cannabis Use, Cannabis Dependence, Cannabis Use Disorder, Cannabis Abuse, Cannabis Intoxication, Cannabis Smoking, Cannabis Withdrawal, Cannabis-Related Disorder, Cannabis Abuse, in Remission, Cannabis Abuse, Episodic Use, Marijuana, Marijuana Abuse, Marijuana Use, Marijuana Smoking, Marijuana Dependence, Marijuana User, Marijuana-Related Disorder, Marijuana Use Disorder, Addiction, Addiction, Substance, Substance Use, Substance Use Disorders, Substance Dependence, Substance Abuse, Substance Related Problem, Substance Abuse Drug Chronic
Interventions
Contingency Management, Elastic Net Regression
Behavioral · Device
Lead sponsor
Indiana University
Other
Eligibility
14 Years to 17 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Laboratory Smoking of Marijuana "Blunts"

NCT03546790
View directory record Official record
Conditions
Cannabis
Interventions
Marijuana
Drug
Lead sponsor
Battelle Memorial Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Marijuana Use, Strength Training, and Alcohol Consumption (MUSTAC) Study

NCT04791917
View directory record Official record
Conditions
Chronic Pain
Interventions
Eccentric Biceps Flexion, Concentric Biceps Flexion
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Not applicable Interventional

Development and Testing of a Smartphone Application to Reduce Substance Use and Sexual Risk Among Homeless Young Adults

NCT02530645
View directory record Official record
Conditions
Alcohol Use, Marijuana Use, Sexual Behavior
Interventions
OnTrack, Treatment as Usual, Brief Motivational Interviewing
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 12, 2016 · Synced Oct 20, 2026, 9:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Correlation of Women's Sexual Health and Marijuana Use

NCT02865096
View directory record Official record
Conditions
Women's Sexual Health
Interventions
Not listed
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
373 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 7, 2017 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Development of a Videogame Prototype Targeting Cigarette and Marijuana Smoking, and Tobacco Product Prevention Among Young Adolescents (smokeScreen)

NCT03722888
View directory record Official record
Conditions
Smoking
Interventions
smokeSCREEN video game
Device
Lead sponsor
Yale University
Other
Eligibility
11 Years to 14 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
3
States / cities
Hamden, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 29, 2018 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Reinforcing Effects of Marijuana and Opioids

NCT05485012
View directory record Official record
Conditions
Marijuana Use, Opioid Use
Interventions
Marijuana, Opioid
Drug
Lead sponsor
Shanna Babalonis, PhD
Other
Eligibility
18 Years to 50 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 20, 2026, 9:53 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Cannabis THC Potency, Metabolism, and Cognitive Impairment in Young Adults

NCT06077292
View directory record Official record
Conditions
Cannabis Use, THC, Marijuana Use, Cognitive Impairment, THC Vaping
Interventions
15% THC Potency Reduction, 35% THC Potency Reduction
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 25 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 20, 2026, 9:53 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 20, 2026, 9:53 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Medical Marijuana and Open Road Driving Task

NCT06995937
View directory record Official record
Conditions
Medical Cannabis
Interventions
Not listed
Lead sponsor
Florida State University
Other
Eligibility
50 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
2
States / cities
Gainesville, Florida • Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 20, 2026, 9:53 AM EDT