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ClinicalTrials.gov public records Last synced May 21, 2026, 11:39 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Marijuana Dependence Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available
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 May 21, 2026, 11:39 PM EDT
Completed Phase 4 Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 16, 2018 · Synced May 21, 2026, 11:39 PM EDT
Completed Not applicable Interventional
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 4, 2020 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Schizophrenia, Cannabis Abuse, Cannabis Dependence, Dual Diagnosis
Interventions
Clozapine, Risperidone
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
9
States / cities
Garden Grove, California • Oakland, California • Miami, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated May 4, 2020 · Synced May 21, 2026, 11:39 PM EDT
Not listed Not applicable Interventional
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 May 21, 2026, 11:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Marijuana Abuse
Interventions
citicoline, placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 21, 2014 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 4 Interventional Results available
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 May 21, 2026, 11:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Marijuana Abuse
Interventions
Buspirone, Motivational enhancement therapy
Drug · Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 11, 2012 · Synced May 21, 2026, 11:39 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Reinforcement for homework completion, Reinforcement for Abstinence, Case Management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 80 Years
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 2 Interventional Results available
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 22, 2023 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
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 4, 2013 · Synced May 21, 2026, 11:39 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Vilazodone, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 9, 2016 · Synced May 21, 2026, 11:39 PM EDT
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers
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 Mar 23, 2026 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Baclofen, Psychosocial, Placebo
Drug · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 60 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 1 Interventional Results available
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 May 21, 2026, 11:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 20, 2019 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Depressive Disorder, Major, Cannabis Abuse
Interventions
Fluoxetine, Placebo
Drug · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
14 Years to 25 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 23, 2013 · Synced May 21, 2026, 11:39 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Use Disorder
Interventions
Varenicline Pill, Contingency management, Counseling
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 40 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Charleston, South Carolina • Lancaster, South Carolina • Pickens, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 6, 2025 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Marijuana Abuse
Interventions
Selegiline hydrochloride, Placebo
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 2 Interventional
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 8, 2015 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Cannabis Dependence
Interventions
Quetiapine, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced May 21, 2026, 11:39 PM EDT
Completed Phase 1 Interventional
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 May 21, 2026, 11:39 PM EDT
Completed Phase 1Phase 2 Interventional Results available
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 May 21, 2026, 11:39 PM EDT