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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cannabis Clear all
Completed No phase listed Observational Accepts healthy volunteers

The Neural Correlates of Cannabis Use

NCT03104257
View directory record Official record
Conditions
Cannabis Dependence, Healthy
Interventions
[11-C]OMAR
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Jun 7, 2026, 1:32 PM 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 Jun 7, 2026, 1:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cannabis Observational Study on Mood, Inflammation, and Cognition

NCT03522103
View directory record Official record
Conditions
Inflammation, Inflammatory Response, Mood, Cognitive Change
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 70 Years
Enrollment
421 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 11, 2021 · Synced Jun 7, 2026, 1:32 PM EDT
Completed Phase 3 Interventional Results available

Achieving Cannabis Cessation-Evaluating N-Acetylcysteine Treatment

NCT01675661
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 23, 2018 · Synced Jun 7, 2026, 1:32 PM 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 Jun 7, 2026, 1:32 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Understanding the Clinical Pharmacology of Marijuana-Tobacco Co-administration

NCT05999383
View directory record Official record
Conditions
THC, Cannabis, Cannabis Use, Cannabis Smoking, Tobacco Use, Vaping
Interventions
Cannabis, Nicotine, Pax Loose Leaf Vaporizer, Placebo Marijuana
Drug · Device · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Jun 7, 2026, 1:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Pharmacokinetics and Pharmacodynamics of Hemp-based Topical Cannabinoid Products

NCT04741477
View directory record Official record
Conditions
Cannabis, Drug Effect
Interventions
CBD, THC, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 9, 2023 · Synced Jun 7, 2026, 1:32 PM EDT
Completed Phase 2 Interventional

CBD for the Treatment of Alcohol Use Disorder

NCT04873453
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Cannabidiol, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 60 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 30, 2024 · Synced Jun 7, 2026, 1:32 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Repeated CBD Administration and Cannabis Outcomes

NCT07434895
View directory record Official record
Conditions
Cannabis, Abuse Liability, Experimental Pain in Healthy Human Participants
Interventions
Cannabidiol, Medium Dose, Cannabidiol, Higher Dose, Active Inhaled Cannabis, Placebo Cannabidiol, Placebo Inhaled Cannabis
Drug
Lead sponsor
Hannah Harris
Other
Eligibility
18 Years to 55 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jun 7, 2026, 1:32 PM EDT
Completed Not applicable Interventional

Development and Testing of a Smartphone Application to Reduce Substance Use and Sexual Risk Among Homeless Young Adults

NCT02530645
View directory record Official record
Conditions
Alcohol Use, Marijuana Use, Sexual Behavior
Interventions
OnTrack, Treatment as Usual, Brief Motivational Interviewing
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 11, 2016 · Synced Jun 7, 2026, 1:32 PM EDT
Completed Not applicable Interventional

An Exercise App to Reduce Young Adults' MJ Use

NCT01863095
View directory record Official record
Conditions
Marijuana Smoking
Interventions
Personalized Feedback and Exercise
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 25 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jan 31, 2016 · Synced Jun 7, 2026, 1:32 PM EDT
Recruiting Phase 2 Interventional

Clinical Trial on Agitation in Alzheimer's Dementia

NCT05543681
View directory record Official record
Conditions
Alzheimer Disease, Agitation,Psychomotor, Care Giving Burden, NPS, Aggression
Interventions
IGC-AD1-Active, IGC-AD1-Placebo
Drug
Lead sponsor
IGC Pharma, LLC
Industry
Eligibility
60 Years and older
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
23
States / cities
Maitland, Florida • Melbourne, Florida • Miami, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Jun 7, 2026, 1:32 PM EDT
Active, not recruiting Not applicable Interventional

Functional Outcomes of Cannabis Use (FOCUS) in Veterans With Posttraumatic Stress Disorder

NCT04565028
View directory record Official record
Conditions
PTSD, Cannabis-Related Disorder
Interventions
Contingency Management (CM)
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jun 7, 2026, 1:32 PM EDT
Completed Not applicable Interventional

Web-based vs In-person Personalized Feedback Intervention for Comorbid Substance Use and Disordered Gambling

NCT01529047
View directory record Official record
Conditions
Gambling, Alcohol Consumption, Cannabis
Interventions
Personalized Feedback Intervention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
17 Years to 24 Years
Enrollment
361 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 26, 2023 · Synced Jun 7, 2026, 1:32 PM EDT
Recruiting Not applicable Interventional

A Brief Intervention for Cannabis Use

NCT06395389
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Health Education (HealthEdu), Bloom
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 25 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Jun 7, 2026, 1:32 PM EDT
Completed Phase 1Phase 2 Interventional

Short-Term Effects of Medicinal Cannabis Therapy on Spasticity in Multiple Sclerosis

NCT00248378
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Smoked Cannabis
Drug
Lead sponsor
Center for Medicinal Cannabis Research
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 22, 2006 · Synced Jun 7, 2026, 1:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Marijuana Effects on Simulated Driving Performance

NCT03699540
View directory record Official record
Conditions
Cannabis, Cannabis Use, Marijuana, Marijuana Usage, Alcohol Drinking
Interventions
Marijuana, Alcohol, placebo alcohol, Inactive marijuana
Drug
Lead sponsor
Shanna Babalonis, PhD
Other
Eligibility
21 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Jun 7, 2026, 1:32 PM EDT
Recruiting No phase listed Observational

Impact of Cannabis Use During Third Molar Surgery

NCT07423195
View directory record Official record
Conditions
Cannabis Use, Marijuana Usage, Sedation and Analgesia, Wisdom Tooth
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
16 Years to 99 Years
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Jun 7, 2026, 1:32 PM EDT
Completed Phase 2 Interventional Results available

Therapeutic Substance Abuse Treatment in Pregnancy - 1

NCT00227903
View directory record Official record
Conditions
Alcohol Abuse, Cocaine Abuse, Marijuana Abuse
Interventions
MI-CBT, Brief Advice
Behavioral
Lead sponsor
Yale University
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
2
States / cities
Bridgeport, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Jun 7, 2026, 1:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Test of Parent-Focused Cannabis-Related Actions and Practices Intervention for Adolescent Marijuana Abuse

NCT04923230
View directory record Official record
Conditions
Cannabis Use Disorder, Mild, Cannabis Use Disorder, Moderate
Interventions
Cannabis Actions and Practices Resource for Parents
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
13 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Jun 7, 2026, 1:32 PM EDT
Active, not recruiting Not applicable Interventional

Characterization of Endocannabinoid and Endogenous Opioid Levels in Adolescents With Cannabis Use Disorder

NCT05396638
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Jun 7, 2026, 1:32 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Measuring Environmental Tobacco and Cannabis: Pollutants and Exposures

NCT06030674
View directory record Official record
Conditions
Healthy
Interventions
Secondhand cannabis emissions/smoke exposure
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 50 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 10, 2023 · Synced Jun 7, 2026, 1:32 PM EDT
Recruiting Phase 1 Interventional

Impact of Daily Oral Cannabis Doses in Patients With Cancer

NCT06601218
View directory record Official record
Conditions
Cancer, Cancers, Pain
Interventions
Oral cannabis low THC, Placebo Comparator, Oral cannabis high THC, Oral cannabis THC/CBD
Drug
Lead sponsor
Shanna Babalonis, PhD
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 23, 2025 · Synced Jun 7, 2026, 1:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Helping Eliminate Marijuana Use Through Pediatric Practice

NCT02744118
View directory record Official record
Conditions
Marijuana
Interventions
5A's Model, Healthy Internet Use Model
Other
Lead sponsor
American Academy of Pediatrics
Other
Eligibility
13 Years to 25 Years
Enrollment
620 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Elk Grove Village, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 8, 2020 · Synced Jun 7, 2026, 1:32 PM EDT