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ClinicalTrials.gov public records Last synced Oct 16, 2026, 2:41 PM EDT

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Showing 1–24 of 51 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Marijuana Abuse and Dependence Clear all
Completed Not applicable Interventional

Treatment for Teens With Alcohol Abuse and Depression

NCT02227589
View directory record Official record
Conditions
AOD Use, Abuse, and Dependence, Depression
Interventions
MET/CBT-12, CBT-D, D-TAU
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
13 Years to 263 Months
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
2
States / cities
Farmington, Connecticut • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Oct 16, 2026, 2:41 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Combination of Dronabinol and Clonidine for Cannabis Dependence in Patients With Schizophrenia

NCT01598896
View directory record Official record
Conditions
Cannabis Dependence, Marijuana Dependence
Interventions
Dronabinol, Clonidine, Placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 29, 2018 · Synced Oct 16, 2026, 2:41 PM EDT
Completed No phase listed Observational

Risk Perception in Drug-Dependent Adults With and Without Schizophrenia

NCT01031563
View directory record Official record
Conditions
Cocaine Dependence, Cannabis Dependence, Schizophrenia
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 64 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 16, 2026, 2:41 PM 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 5, 2018 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

THC Crossover Study

NCT04429568
View directory record Official record
Conditions
THC, Cannabis, Cannabis Smoking, Cannabis Use, Unspecified, Cigarette Smoking, Tobacco Use, Nicotine Dependence, Nicotine Withdrawal, Cardiovascular Risk Factor
Interventions
Smoked Cannabis, Vaped Cannabis, Tobacco Cigarette
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 1, 2024 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Marijuana and Prescription Medications in Mood, Performance and Sleep

NCT00893269
View directory record Official record
Conditions
Marijuana Dependence
Interventions
eszopiclone, Placebo, ramelteon, zolpidem
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 5, 2013 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Marijuana Treatment Project 4

NCT02030665
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Contingency Management, Individualized Assessment & Treatment, Cognitive-Behavioral Treatment
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 99 Years
Enrollment
198 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 21, 2019 · Synced Oct 16, 2026, 2:41 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

QAIAx (AIhealth4U) - AI Smart Health Cities: Microcity Enclave Program (Quantum AI/AGI Agency a/k/a AI City Hall Project - UPSTO App Nos. 64/074,526, 64/063,557, 64/105,164, 63/903,181, 63/729,428, 64/125,360)

NCT07661823
View directory record Official record
Conditions
Asperger's Disorder, Asperger Disorder, Autism Disorder, Autism, ADHD - Attention Deficit Disorder With Hyperactivity, ADHD, ASD, Alcohol Abuse/Dependence, Alcohol Addiction, Alcohol and Other Drug Use Disorders, Alcohol and Other Substance Use Prevention, Gambling Addiction, Gambling Disorder, Sex Abuse, Sex Behavior, Sex Crimes, Sex Disorder, Sex Disorders, Gender Dysphoria, Adult, Eating Behavior Disorders, Narcotic-Related Disorders, Narcotic Addiction, Narcissism, Psychiatric Disorder, Psychedelic Effects in Healthy Volunteers, Psychedelic Experiences, Psychedelic Drug Dependence, Marijuana Use Disorder, Marijuana Abuse and Dependence, Smoking (Tobacco) Addiction, Smoking Among Youth, Smoking Abstinence, Abstinence, Sex, Opiate Substitution Treatment, Opioid Abuse (Disorder), Opioid Abuse and Addiction, Cocaine Abuse, MDMA ('Ecstasy'), Addiction Disorders, Homeless and Low Incomes People, Refugees, Homelessness, Reliability and Validity, Anger Problems, Child Abuse, Sexual
Interventions
AI City Hall Project (AIhealth4u - Public Health Central), AI City Hall Project (QAIAx Microcity A - AI Public Health Central)
Behavioral
Lead sponsor
Veterans Recovery Network Inc.
Other
Eligibility
17 Years to 99 Years
Enrollment
1,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2045
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 16, 2026, 2:41 PM 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 11, 2021 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interactions Between Physical Activity and Cannabis Use in Adults

NCT00838448
View directory record Official record
Conditions
Cannabis Dependence
Interventions
Exercise
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 35 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 12, 2013 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 2 Interventional Results available

Free Venlafaxine Treatment for Marijuana Addiction and Depression - 1

NCT00131456
View directory record Official record
Conditions
Depression, Marijuana Abuse
Interventions
Venlafaxine, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Oct 16, 2026, 2:41 PM 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 25, 2026 · Synced Oct 16, 2026, 2:41 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Imaging Cannabinoid Receptors Using Positron Emission Tomography (PET) Scanning

NCT01730781
View directory record Official record
Conditions
Schizophrenia, Cannabis Dependence, Prodromal for Psychotic Illness, Family History of Alcoholism, Healthy Control, Opioid-use Disorder, Post Traumatic Stress Disorder
Interventions
[11-C]OMAR
Radiation
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 16, 2026, 2:41 PM 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 2, 2017 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Not applicable Interventional

Study Comparing Two Types of Psychotherapy for Treating Depression and Substance Abuse

NCT00108407
View directory record Official record
Conditions
Alcohol Abuse, Cannabis Abuse, Major Depressive Disorder, Substance-Related Disorders
Interventions
Integrated Cognitive Behavioral Therapy, Twelve Step Facilitation Therapy
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 6, 2009 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 2 Interventional Results available

Effectiveness Study of Dronabinol and BRENDA for the Treatment of Cannabis Withdrawal

NCT00480441
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Dronabinol, BRENDA therapy, Placebo
Drug · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 2 Interventional

Effectiveness of Nefazodone and Bupropion in Treating Marijuana Dependent Individuals

NCT00249509
View directory record Official record
Conditions
Marijuana Abuse
Interventions
Nefazodone, Bupropion
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 16, 2017 · Synced Oct 16, 2026, 2:41 PM EDT
Not listed Phase 2Phase 3 Interventional

A Comparison of Adolescent Group Therapy and Transitional Family Therapy for Adolescent Alcohol and Drug Abusers

NCT00484367
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 26, 2011 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of a FAAH-Inhibitor to Treat Cannabis Withdrawal

NCT01618656
View directory record Official record
Conditions
Cannabis Dependence
Interventions
PF-04457845, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 23, 2023 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 2 Interventional

Effectiveness of Buspirone and Motivational Enhancement Therapy for the Treatment of Marijuana Dependence - 1

NCT00149617
View directory record Official record
Conditions
Marijuana Abuse, Mood Disorders
Interventions
Buspirone
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 9, 2015 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Combined Pharmacotherapy for Cannabis Dependency

NCT01020019
View directory record Official record
Conditions
Cannabis Dependence, Marijuana Dependence
Interventions
Dronabinol, Placebo, Lofexidine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effect of Baclofen on Marijuana Withdrawal and Relapse

NCT00373295
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Baclofen, Marijuana, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Oct 16, 2026, 2:41 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Comparison Between Marijuana Smoked in Cigarette Paper Versus Cigar Paper

NCT00374127
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Marijuana blunt, marijuana cigarette
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 1, 2017 · Synced Oct 16, 2026, 2:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Young Adult Tobacco/Nicotine and Cannabis Co-use

NCT06239350
View directory record Official record
Conditions
Tobacco Use Disorder, Nicotine Dependence
Interventions
Counseling, Contingency management, Text-based support
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 25 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 16, 2026, 2:41 PM EDT