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Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Spasticity With Multiple Sclerosis
Interventions
Nabiximols, Placebo
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
6
States / cities
Denver, Colorado • Naples, Florida • Tampa, Florida + 3 more
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
Terminated Early Phase 1 Interventional Accepts healthy volunteers Results available

Understanding Effects of Cannabis Use and Abstinence on Neural Glutamate Homeostasis

NCT05664763
Conditions
Cannabis Use Disorder
Interventions
[18F]FPEB with PET, Cannabis abstinence
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Trial of Contingency Management for Long-Term Cannabis Abstinence

NCT03786224
Conditions
Cannabis Use, Adolescent Behavior
Interventions
Contingency Management
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
13 Years to 19 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Cannabis Dependence
Interventions
N-Acetylcysteine, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 50 Years
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
6
States / cities
Los Angeles, California • New Haven, Connecticut • Lexington, Kentucky + 3 more
Completed No phase listed Observational Accepts healthy volunteers

Cannabis Use and Epigenetic Alterations in Human Male Sperm Cells

NCT03614637
Conditions
Cannabis Use
Interventions
Cannabis use abstinence for 11 weeks
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional

Marijuana Treatment Project - 3

NCT00107588
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cognitive Recovery With Cannabis Abstinence Among High School-Aged Adolescents

NCT03276221
Conditions
Cannabis Use, Cognitive Change, Adolescent Behavior
Interventions
Abstinence
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
10 Years to 19 Years
Enrollment
201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Smoking Cessation
Interventions
contingency management (deposit contract), leaderboard and social feed, smoking cessation resource list
Behavioral
Lead sponsor
WayBetter, Inc.
Industry
Eligibility
21 Years and older
Enrollment
245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Wilmington, Delaware
Conditions
Marijuana, HIV Infections
Interventions
Contingency Management - Cannabis
Behavioral
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Houston, Texas • San Antonio, Texas
Conditions
Cannabis Use, Depression, Suicidal Ideation, Adolescent Behavior
Interventions
Contingency management for cannabis abstinence
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
12 Years to 18 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Results available

Impact of Reduced Cannabis Use on Functional Outcomes

NCT03681353
Conditions
Cannabis, Cannabis Use
Interventions
Mobile Contingency Management, active
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Completed Phase 2 Interventional Results available

Vilazodone Treatment for Marijuana Dependence

NCT01574183
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
Conditions
Cannabis Dependence
Interventions
MET/CBT/CM plus NRT
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Concord, New Hampshire • Lebanon, New Hampshire
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
Recruiting Phase 4 Interventional Accepts healthy volunteers

E-cigarette Cessation in Adults Who Co-use Cannabis

NCT06688539
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 – 2027
U.S. locations
3
States / cities
Charleston, South Carolina • Lancaster, South Carolina • Pickens, South Carolina
Conditions
Cannabis Use
Interventions
Contingency Management
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
14 Years to 25 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Completed Not applicable Interventional Results available

Impact of Reduced Cannabis Use on Functional Outcomes (R33 Phase)

NCT04567238
Conditions
Cannabis, Cannabis Use
Interventions
Mobile contingency management
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Marijuana Abuse
Interventions
THC (delta-9 tetrahydrocannabinol), d-amphetamine, oral THC
Drug
Lead sponsor
Wayne State University
Other
Eligibility
21 Years to 45 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Detroit, Michigan
Completed Phase 4 Interventional Results available

Buspirone Treatment for Marijuana Dependence

NCT00875836
Conditions
Marijuana Dependence
Interventions
Buspirone, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Cannabis Use Disorder
Interventions
CB-Abst, CB-Mon
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
15 Years to 18 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Cannabis Use Disorder
Interventions
CBT4CBT (Computerized Cognitive Behavioral Therapy), Motivational Interviewing, Contingency Management
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Charleston, South Carolina
Completed Not applicable Interventional Results available

Effect of Oxytocin on Craving and Therapy Response

NCT01827332
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
Completed Phase 4 Interventional Results available

Cannabis and Tobacco Co-use Study

NCT04228965
Conditions
Tobacco Use Disorder
Interventions
Varenicline, Contingency Management, Counseling
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 40 Years
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
3
States / cities
Charleston, South Carolina • Florence, South Carolina • Pickens, South Carolina