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Showing 1–24 of 259 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Pregnancy-associated Hormones on THC Metabolism in Women

NCT04374773
Conditions
Pregnancy Related, Cannabis Use
Interventions
Dronabinol
Drug
Lead sponsor
University of Washington
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Schizophrenia, Cannabis Use Disorder
Interventions
Delta-9-THC Very Low Dose, Placebo, Delta-9-THC Medium Dose
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 60 Years
Enrollment
215 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
West Haven, Connecticut
Conditions
Epilepsy, Unspecified, Refractory (Medically)
Interventions
Medical Cannabis
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Month to 20 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Completed Not applicable Interventional Results available

An App to Reduce Cannabis Use Among Emerging Adults

NCT05824754
Conditions
Cannabis Use
Interventions
Just-In-Time-Adaptive-Intervention (JITAI)
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 25 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Phase 2 Interventional Results available

Varenicline Treatment for Cannabis Use Disorder

NCT02892110
Conditions
Substance Use Disorder
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Psychotic Disorders, Substance Use
Interventions
Peer Approach to Substances in Early Psychosis Programs, Usual Care Peer Services
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
15 Years to 32 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
15
States / cities
Austin, Texas • Beaumont, Texas • Big Spring, Texas + 12 more
Completed No phase listed Observational Results available

Pain Research: Innovative Strategies With Marijuana

NCT03522324
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
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
Recruiting Not applicable Interventional

A Brief Intervention for Cannabis Use

NCT06395389
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Medical Marijuana on Neurocognition and Escalation of Use

NCT03224468
Conditions
Pain, Insomnia, Depression, Anxiety
Interventions
Medical Marijuana
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
269 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers

The Neural Correlates of Cannabis Use

NCT03104257
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
Conditions
Cancer
Interventions
Not listed
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
21 Years to 99 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Buffalo, New York • Philadelphia, Pennsylvania
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Cannabis, Schizophrenia and Reward: Self-Medication and Agonist Treatment?

NCT01964404
Conditions
Schizophrenia, Dual Diagnosis, Psychotic Disorder, Cannabis Use Disorder
Interventions
Marijuana, Dronabinol, Placebo
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
263 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
2
States / cities
Lebanon, New Hampshire • Burlington, Vermont
Conditions
Opioid Use, Marijuana, Chronic Pain
Interventions
Discounted Vouchers for Medical Cannabis Soft-Gel Capsule Products
Other
Lead sponsor
Vireo Health
Other
Eligibility
18 Years to 99 Years
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Queens, New York
Conditions
Type 2 Diabetes, Obesity, Cannabis Use, Insulin Sensitivity
Interventions
Study A: Single use of cannabis flower product, Study B: Ad libitum cannabis use for four weeks or no cannabis use
Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
21 Years to 40 Years
Enrollment
255 participants
Timeline
2019 – 2024
U.S. locations
1
States / cities
Boulder, Colorado
Not yet recruiting Phase 1Phase 2 Interventional

Warrior CARE: Cannabis Behavioral Health

NCT06381180
Conditions
Post Traumatic Stress Disorder, Cannabis Use, Suicide, Veterans, Marijuana
Interventions
Tetrahydrocannabinol, Cannabidiol, Placebo
Drug
Lead sponsor
Wayne State University
Other
Eligibility
19 Years to 69 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Cannabis Use Disorder, PREG1, Drug Use, Fetal Exposure During Pregnancy, Neurodevelopmental Abnormality
Interventions
no intervention, this is a purely observational study
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older · Female only
Enrollment
168 participants
Timeline
2018 – 2020
U.S. locations
2
States / cities
Aurora, Colorado • Denver, Colorado
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
Completed Not applicable Interventional Accepts healthy volunteers

THC Crossover Study

NCT04429568
Conditions
THC, Cannabis, Cannabis Smoking, Cannabis Use, Unspecified, Cigarette Smoking, Tobacco Use, Nicotine Dependence, Nicotine Withdrawal, Cardiovascular Risk Factor
Interventions
Smoked Cannabis, Vaped Cannabis, Tobacco Cigarette
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
San Francisco, California
Conditions
Depression - Major Depressive Disorder, Cannabis Use Disorder, Mental Disorder
Interventions
Amplification of Positivity - Cannabis Use (AMP-C)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting No phase listed Observational

Study of an Oral Fluid Testing Approach

NCT06891235
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 30 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Helping Eliminate Marijuana Use Through Pediatric Practice

NCT02744118
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
Recruiting Phase 2 Interventional Accepts healthy volunteers

Effects of THC on Alcohol Consumption and Neural Correlates of Reward

NCT06446479
Conditions
Cannabis Use Disorder
Interventions
Dronabinol Pill, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 40 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado