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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cannabis Dependence Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Hormones and Reduction in Co-users of Marijuana and Nicotine

NCT02579421
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Progesterone, placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 25, 2020 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Phase 4 Interventional Results available

Nicotine Patch for Marijuana Withdrawal

NCT01400243
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Nicotine, Placebo Patch
Drug
Lead sponsor
Southern Illinois University Carbondale
Other
Eligibility
18 Years to 50 Years
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Carbondale, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Phase 2 Interventional Results available

A Trial of N-Acetylcysteine (an Over-the-Counter Medicine) in Adolescents Who Smoke Marijuana

NCT01005810
View directory record Official record
Conditions
Cannabis Dependence
Interventions
N-Acetylcysteine, placebo, Contingency Management
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
13 Years to 21 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 20, 2018 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Phase 1 Interventional

Integrated CBT for Cannabis Dependence With Co-occurring Anxiety Disorders

NCT01875796
View directory record Official record
Conditions
Cannabis Dependence, Anxiety Disorders, Cannabis Use Disorder, Cannabis Abuse
Interventions
Cognitive-Behavioral Therapy, Motivation Enhancement Therapy, Integrated Cannabis and Anxiety Reduction Treatment, False Safety Behavior Elimination Therapy
Behavioral
Lead sponsor
Louisiana State University and A&M College
Other
Eligibility
18 Years to 65 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 24, 2016 · Synced Sep 29, 2026, 12:22 AM EDT
Active, not recruiting Not applicable Interventional

Breathwork-assisted Treatment for Cannabis Use Disorder

NCT05219825
View directory record Official record
Conditions
Addiction, Substance Abuse, Cannabis Use Disorder, Cannabis Use, Cannabis Dependence, Cannabis Abuse
Interventions
Breathwork workshop
Behavioral
Lead sponsor
Elias Dakwar
Other
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 29, 2026, 12:22 AM EDT
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers

Evaluating the Delivery and Effects of THC Vaping Liquids in the Bloodstream

NCT06334016
View directory record Official record
Conditions
Cannabis Dependence
Interventions
Biospecimen Collection, Cannabis sativa Extract, Nicotine, Placebo Administration, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Brain Imaging of Cannabinoid Receptors

NCT03204305
View directory record Official record
Conditions
Cannabis Use Disorder, Cannabis Dependence, Continuous
Interventions
11C-OMAR, Cannabis
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Medications Development for the Treatment of Cannabis Related Disorders

NCT01204723
View directory record Official record
Conditions
Nicotine Withdrawal, Marijuana Dependence, Cannabis Dependence, Nicotine Dependence, Cannabis Abuse
Interventions
Placebo Aprepitant, Active Aprepitant
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 45 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 31, 2012 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Phase 2 Interventional Results available

Atomoxetine Treatment for ADHD and Marijuana Dependence

NCT00360269
View directory record Official record
Conditions
Marijuana Abuse, Attention Deficit Disorder With Hyperactivity
Interventions
Atomoxetine, Motivational enhancement therapy, Placebo
Drug · Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 29, 2014 · Synced Sep 29, 2026, 12:22 AM EDT
Completed No phase listed Observational

Quiting Marijuana Use: Self-report Study of Quitting Straegies and Withdrawal Symptoms

NCT01603992
View directory record Official record
Conditions
Cannabis Abuse, Cannabis Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
822 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
3
States / cities
Baltimore, Maryland • Catonsville, Maryland • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Sep 29, 2026, 12:22 AM EDT
Withdrawn Phase 1 Interventional

Trial of Computerized SBI to Reduce Teen Alcohol Use

NCT01784627
View directory record Official record
Conditions
Alcohol Abuse, Cannabis Abuse, Nicotine Dependence
Interventions
c-ASBI
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
9 Years to 20 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
6
States / cities
Boston, Massachusetts • Cambridge, Massachusetts • Lexington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 6, 2016 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Not applicable Interventional Results available

Effect of Oxytocin on Craving and Therapy Response

NCT01827332
View directory record Official record
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
2013 – 2016
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 1, 2017 · Synced Sep 29, 2026, 12:22 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 11, 2022 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Phase 4 Interventional

Substance Dependent Teens - Impact of Treating Depression Study 1 - 1

NCT00061113
View directory record Official record
Conditions
Alcohol-Related Disorders, Marijuana Abuse, Substance-Related Disorders
Interventions
Fluoxetine + outpatient cognitive behavioral therapy, fluoxetine, placebo + CBT
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
13 Years to 19 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
2
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Vaping THC From Electronic Cigarettes

NCT02955329
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Nicotine, Cannabis, PAX Loose Leaf Vaporizer
Drug · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 28, 2023 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Phase 1 Interventional

Antagonist-Elicited Cannabis Withdrawal

NCT01041170
View directory record Official record
Conditions
Cannabis, Dependence
Interventions
THC, Rimonobant, Rimonabant
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 45 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Phase 1Phase 2 Interventional Results available

An Open-Label Trial of N-Acetylcysteine in Cannabis Dependent Adolescents

NCT00542750
View directory record Official record
Conditions
Cannabis Dependence
Interventions
N-Acetylcysteine
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
12 Years to 20 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 22, 2018 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Not applicable Interventional Results available

Evaluation of Medical Cannabis and Prescription Opioid Taper Support for Reduction of Pain and Opioid Dose in Patients With Chronic Non-Cancer Pain

NCT04827992
View directory record Official record
Conditions
Opioid Use, Pain, Marijuana Use
Interventions
Cannabis, Prescription Opioid Taper Support (POTS)
Drug · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Portland, Maine • Boston, Massachusetts • Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effect of Lofexidine and Oral THC on Marijuana Withdrawal and Relapse

NCT00373503
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Lofexidine, dronabinol, Marijuana
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 4, 2013 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Not applicable Interventional

Cannabis Use and Relapse After One Week of Contingency Management Therapy

NCT04202146
View directory record Official record
Conditions
Cannabis Dependence
Interventions
Contingency Management + Motivational Interviewing
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 10, 2021 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sex Differences in Attentional Bias in Marijuana-dependent Individuals

NCT01179425
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Cognitive stressor
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 13, 2011 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Ph1 Marinol Interaction Study - Part 2 - 1

NCT00490269
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Placebo, Dronabinol
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 29, 2026, 12:22 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 21, 2026 · Synced Sep 29, 2026, 12:22 AM EDT
Completed Phase 1 Interventional Results available

Open-Label Pilot Study of Guanfacine-Extended Release for the Treatment of Cannabis Dependence

NCT01467999
View directory record Official record
Conditions
Cannabis Dependence
Interventions
Guanfacine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Sep 29, 2026, 12:22 AM EDT