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Showing 1–24 of 604 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Cannabis Clear all
Completed Phase 1 Interventional

Use of a Mobile Health Sensor in an Open Label Trial of Lorcaserin for the Treatment of Cannabis Use Disorder

NCT02932215
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
lorcaserin, Fitbit Charge HR
Drug · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 10, 2019 · Synced Sep 3, 2026, 11:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Patient Doctor Lies

NCT04803448
View directory record Official record
Conditions
Patient Lying, Privacy Statements, Risk Statements, Benefit Statements, Patient Lie Detection
Interventions
Benefit statement, Risk Statement, Privacy Statement, Benefit + Privacy, Risk + Privacy
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 80 Years
Enrollment
619 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Provo, Utah
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Sep 3, 2026, 11:36 AM EDT
Completed Phase 4 Interventional Results available

Efficacy Study of Quetiapine Plus Topiramate for Reducing Cannabis Consumption and Bipolar Mania

NCT00393978
View directory record Official record
Conditions
Bipolar Disorder, Cannabis-Related Disorder
Interventions
Quetiapine and placebo, Quetiapine and Topiramate
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
12 Years to 21 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Sep 3, 2026, 11:36 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Intergenerational Effects of Paternal Periconceptional Cannabis and Other Drug Use (EPIC)

NCT04436055
View directory record Official record
Conditions
Cannabis Use, Drug Use, Development, Infant
Interventions
No Intervention will be used
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 40 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 2, 2023 · Synced Sep 3, 2026, 11:36 AM EDT
Not yet recruiting Not applicable Interventional

Transcranial Magnetic Stimulation for Adolescents and Young Adults With Cannabis Use Disorder

NCT07634835
View directory record Official record
Conditions
Cannabis Use, Cannabis Use Disorder
Interventions
Magstim SuperRapid2, Sham rTMS
Device
Lead sponsor
University of Minnesota
Other
Eligibility
15 Years to 21 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 3, 2026, 11:36 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

The Effects of Cannabigerol on Attention-Deficit/Hyperactivity Disorder

NCT06115603
View directory record Official record
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
Cannabigerol, Placebo
Drug · Other
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years to 55 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Sep 3, 2026, 11:36 AM EDT
Recruiting Not applicable Interventional

The Neural Underpinnings of Depression and Cannabis Use in Young People Living With HIV

NCT05453513
View directory record Official record
Conditions
Depression, Cannabis Use Disorder, HIV
Interventions
MRI Study
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 59 Years
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Sep 3, 2026, 11:36 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

N-acetylcysteine Effects on Tetrahydrocannabinol

NCT02335060
View directory record Official record
Conditions
Healthy
Interventions
Delta-9-THC, N-acetylcysteine, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 30, 2022 · Synced Sep 3, 2026, 11:36 AM EDT
Terminated Phase 3 Interventional Results available

Safety and Effectiveness of Nabiximols Oromucosal Spray as Add-on Therapy in Participants With Spasticity Due to Multiple Sclerosis

NCT04203498
View directory record Official record
Conditions
Multiple Sclerosis (MS)
Interventions
Nabiximols, Placebo
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
15
States / cities
Birmingham, Alabama • Port Charlotte, Florida • Tampa, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Sep 3, 2026, 11:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Eggs on Postprandial Metabolism

NCT01351207
View directory record Official record
Conditions
Healthy
Interventions
Eggs
Other
Lead sponsor
Tufts University
Other
Eligibility
50 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 18, 2014 · Synced Sep 3, 2026, 11:36 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Biobehavioral Effects of Topiramate on Cannabis-Related Outcomes in Adolescents

NCT01110434
View directory record Official record
Conditions
Cannabis Abuse, Cannabis Dependence
Interventions
Topiramate, Placebo
Drug
Lead sponsor
Brown University
Other
Eligibility
15 Years to 20 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Sep 3, 2026, 11:36 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 14, 2026 · Synced Sep 3, 2026, 11:36 AM EDT
Completed No phase listed Observational

Anxiety Symptoms in Relation to Use of Hemp-derived, Full Spectrum Cannabidiol (CBD)

NCT05023759
View directory record Official record
Conditions
Generalized Anxiety Disorder
Interventions
Formula30A Full Spectrum Hemp Cannabidiol 25mg Capsules
Dietary Supplement
Lead sponsor
Formula30A LLC
Industry
Eligibility
21 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
5
States / cities
Denton, Texas • Edinburg, Texas • Forney, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2021 · Synced Sep 3, 2026, 11:36 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Individual Differences in Drug Response

NCT03809546
View directory record Official record
Conditions
Differential Female Response to Δ9-tetrahydrocannabinol (THC)
Interventions
Dronabinol, dextrose
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Sep 3, 2026, 11:36 AM EDT
Completed Not applicable Interventional

Marijuana Treatment Project - 3

NCT00107588
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 Sep 3, 2026, 11:36 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

SV2A in Older Adults

NCT05465538
View directory record Official record
Conditions
Cannabis Use
Interventions
[11C]UCB-J PET
Drug
Lead sponsor
Yale University
Other
Eligibility
50 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 3, 2026, 11:36 AM EDT
Completed No phase listed Observational

Investigating Stress-related Mechanisms in the Laboratory and Real World in Individuals With Cannabis Use Disorder

NCT04116619
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Guided Imagery Laboratory Session
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 3, 2026, 11:36 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pharmacogenetics of Cannabinoid Response

NCT00678730
View directory record Official record
Conditions
COMT Gene Polymorphism
Interventions
delta 9 tetrahydrocannabinol
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 3, 2026, 11:36 AM EDT
Completed Phase 4 Interventional Results available

Treatment of Schizophrenia and Comorbid Cannabis Use Disorder: Comparing Clozapine to Treatment-as-Usual

NCT00498550
View directory record Official record
Conditions
Schizophrenia, Dual Diagnosis, Schizoaffective Disorder, Psychotic Disorder, Cannabis Abuse
Interventions
Clozapine, Treatment as usual
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
4
States / cities
Los Angeles, California • Kansas City, Missouri • Manchester, New Hampshire + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2019 · Synced Sep 3, 2026, 11:36 AM EDT
Completed No phase listed Observational Results available

Pain Research: Innovative Strategies With Marijuana

NCT03522324
View directory record Official record
Conditions
Chronic Pain, Chronic Low Back Pain, Cannabis Use
Interventions
Cannabis Edible
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
21 Years to 70 Years
Enrollment
268 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Sep 3, 2026, 11:36 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 3, 2026, 11:36 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 3, 2026, 11:36 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Differences in Cannabis Impairment and Its Measurement Due to Route of Administration

NCT03122691
View directory record Official record
Conditions
Behavioral Pharmacology of Cannabis
Interventions
cannabis
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 45 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 3, 2026, 11:36 AM EDT
Completed Phase 2 Interventional Results available

Effect of Cannabis and Endocannabinoids on HIV Neuropathic Pain

NCT03099005
View directory record Official record
Conditions
Cannabis, HIV Neuropathy, Pain Syndrome
Interventions
Cannabis
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 17, 2024 · Synced Sep 3, 2026, 11:36 AM EDT