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ClinicalTrials.gov public records Last synced Oct 23, 2026, 9:01 AM EDT

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Showing 481–504 of 611 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Marijuana Clear all
Recruiting Phase 1 Interventional Accepts healthy volunteers

Maternal Choline Supplementation and Cannabis Use During Pregnancy: Impact on Early Brain Development

NCT06379971
View directory record Official record
Conditions
Child Development, Cannabis Use
Interventions
Placebo, Choline
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 23, 2026, 9:01 AM EDT
Recruiting No phase listed Observational

Study of an Oral Fluid Testing Approach

NCT06891235
View directory record Official record
Conditions
Cannabis Use, Cannabis Intoxication, Cannabis Use Disorder
Interventions
Biologic testing for THC
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 23, 2026, 9:01 AM EDT
Terminated Phase 2 Interventional Results available

Cannabinoids for Taxane Induced Peripheral Neuropathy

NCT03782402
View directory record Official record
Conditions
Chemotherapy-induced Peripheral Neuropathy
Interventions
Cannabinoids
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 60 Years · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 26, 2023 · Synced Oct 23, 2026, 9:01 AM EDT
Completed Not applicable Interventional

A Real-time, Contextual Intervention Using Mobile Technology to Reduce Marijuana Use in Youth

NCT01762696
View directory record Official record
Conditions
Marijuana Abuse
Interventions
MET, MOMENT
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
15 Years to 24 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts • Jamaica Plain, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 12, 2016 · Synced Oct 23, 2026, 9:01 AM EDT
Completed No phase listed Observational

Brain Neurochemical Profile During Marijuana Abstinence

NCT04320537
View directory record Official record
Conditions
Brain Metabolic Changes During Marijuana Abstinence
Interventions
abstinence from use of marijuana and other abused drugs
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
21 Years to 40 Years
Enrollment
37 participants
Timeline
2017 – 2020
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 25, 2020 · Synced Oct 23, 2026, 9:01 AM 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 23, 2026, 9:01 AM EDT
Recruiting No phase listed Observational

Understanding Tobacco and Cannabis Co-Use Practices: Initiation, Escalation, and Maintenance

NCT07439471
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 30 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 23, 2026, 9:01 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

MiREA-AC for Reducing Problematic Alcohol and Marijuana Use in College Students

NCT07339150
View directory record Official record
Conditions
Alcohol Misuse, Cannabis Misuse
Interventions
Motivational Intervention Reduction through Ecological Application (MiREA-A). MiREA-AC-- the expanded MiREA-A,
Behavioral
Lead sponsor
mHealth Systems Inc.
Industry
Eligibility
18 Years to 26 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Charlotte, North Carolina • Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 23, 2026, 9:01 AM EDT
Completed Not applicable Interventional Results available

Social Media Intervention for Cannabis Use in Emerging Adults

NCT04187989
View directory record Official record
Conditions
Cannabis Use
Interventions
Social Media Intervention
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 25 Years
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 11, 2022 · Synced Oct 23, 2026, 9:01 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition: Sub-Study II

NCT02710097
View directory record Official record
Conditions
Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
Interventions
Active inhaled cannabis, Placebo, Active Oral Ethanol
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 23, 2026, 9:01 AM EDT
Completed No phase listed Observational

Marijuana Drug Discrimination and Self-Administration

NCT00943930
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 28, 2016 · Synced Oct 23, 2026, 9:01 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

CBDV vs Placebo in Children and Adults up to Age 30 With Prader-Willi Syndrome (PWS)

NCT03848481
View directory record Official record
Conditions
Prader-Willi Syndrome
Interventions
CBDV Compound, Placebo
Drug
Lead sponsor
Eric Hollander
Other
Eligibility
5 Years to 30 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 23, 2026, 9:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Alcohol and Cannabis Concentrates Co-Administration

NCT05999344
View directory record Official record
Conditions
Alcohol Use Disorder, Cannabis Use
Interventions
commercially available cannabis administered prior to commercially available alcohol, commercially available alcohol administered prior to commercially available cannabis
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 65 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Oct 23, 2026, 9:01 AM EDT
Not yet recruiting No phase listed Observational

Medical Cannabis Observational Study for Antiemetic Intervention in Chemotherapy

NCT07374939
View directory record Official record
Conditions
Nausea and Vomiting Chemotherapy-Induced
Interventions
Medical Cannabis
Drug
Lead sponsor
University of Rochester
Other
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 23, 2026, 9:01 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Acute Effects of Cannabis on Cognition and Affect

NCT07296874
View directory record Official record
Conditions
Cannabis Use
Interventions
THC 20mg, Placebo
Drug
Lead sponsor
Washington State University
Other
Eligibility
21 Years and older
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Pullman, Washington
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 23, 2026, 9:01 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition

NCT02404688
View directory record Official record
Conditions
Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
Interventions
Active delta-9-THC, Placebo, Active Ethanol
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 23, 2026, 9:01 AM EDT
Completed Phase 2 Interventional

Effect of PP-01 on Cannabis Withdrawal Syndrome

NCT05494437
View directory record Official record
Conditions
Cannabis Withdrawal
Interventions
PP-01 High Dose, PP-01 Low Dose, Placebo, Nabilone, Gabapentin
Combination Product · Drug
Lead sponsor
PleoPharma, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
18
States / cities
Glendale, California • Lemon Grove, California • Orange, California + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 16, 2024 · Synced Oct 23, 2026, 9:01 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Droperidol on Prevention of Cannabis Hyperemesis Syndrome

NCT05244460
View directory record Official record
Conditions
Cannabis Hyperemesis Syndrome
Interventions
Droperidol Injectable Product, Diphenhydramine
Drug
Lead sponsor
Mercy Health Ohio
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
4
States / cities
Austintown, Ohio • Boardman, Ohio • Warren, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2023 · Synced Oct 23, 2026, 9:01 AM EDT
Completed No phase listed Observational

Duration of Marijuana Concentration in Breast Milk- A Pilot Study

NCT02635568
View directory record Official record
Conditions
Cannabis, Pregnancy, Breast Feeding
Interventions
Cannabis Use
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 2, 2019 · Synced Oct 23, 2026, 9:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intervening to Prevent Youth Access to Marijuana Phase II

NCT03073291
View directory record Official record
Conditions
Cannabis
Interventions
Responsible Marijuana Vendor Training
Behavioral
Lead sponsor
Klein Buendel, Inc.
Industry
Eligibility
21 Years and older
Enrollment
448 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
Oakland, California • Golden, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 12, 2019 · Synced Oct 23, 2026, 9:01 AM EDT
Completed No phase listed Observational

Does Medical Cannabis Reduce Opioid Use in Adults With Pain

NCT04308148
View directory record Official record
Conditions
Opioid Use, Marijuana, Chronic Pain
Interventions
Not listed
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years to 99 Years
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced Oct 23, 2026, 9:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Combined Effect of Chronic Cannabis Use and Subconcussive Head Impacts on Brain Health

NCT04641832
View directory record Official record
Conditions
Concussion, Mild
Interventions
Soccer heading
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 26 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 2, 2023 · Synced Oct 23, 2026, 9:01 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Investigating Cannabis Use Parameters on Anesthesia and Inflammation in Lumbar Spinal Surgeries

NCT07354412
View directory record Official record
Conditions
Cannabis Use
Interventions
Not listed
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 23, 2026, 9:01 AM EDT
Withdrawn Phase 2 Interventional

Trial Investigating the Safety and Efficacy of BRC-003 in Refractory Post-Traumatic Epilepsy

NCT06523725
View directory record Official record
Conditions
Post-traumatic Epilepsy
Interventions
PO BRC-003 (High Cannabidiol Cannabis Extract), Placebo
Drug
Lead sponsor
Dr. Paul Lyons
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Winchester, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Oct 23, 2026, 9:01 AM EDT