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ClinicalTrials.gov public records Last synced Oct 22, 2026, 1:43 PM EDT

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Showing 145–168 of 270 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cannabis Use Disorders Clear all
Completed Phase 2 Interventional

Gabapentin for Restoring GABA/Glutamate Homeostasis in Co-occurring Bipolar and Cannabis Use Disorders

NCT05064319
View directory record Official record
Conditions
Bipolar Disorder, Cannabis Use, Schizoaffective Disorder, Bipolar Type, Bipolar I Disorder, Bipolar II Disorder, Cannabis Use Disorder, Mild, Cannabis Use Disorder, Moderate, Cannabis Use Disorder, Severe
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 22, 2026, 1:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

TACUNA (Traditions and Connections for Urban Native Americans)

NCT04617938
View directory record Official record
Conditions
Opioid Use, Alcohol Drinking, Marijuana Use
Interventions
TACUNA plus Wellness Circle, Opioid Education Workshop
Behavioral
Lead sponsor
RAND
Other
Eligibility
18 Years to 25 Years
Enrollment
541 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
3
States / cities
Los Angeles, California • Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 22, 2026, 1:43 PM EDT
Completed Phase 4 Interventional Results available

Cannabis and Tobacco Co-use Study

NCT04228965
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 15, 2025 · Synced Oct 22, 2026, 1:43 PM EDT
Recruiting Not applicable Interventional

Integrated Treatment for Enhancing Growth in Recovery During Adolescence

NCT06395467
View directory record Official record
Conditions
Alcohol Use Disorder, Cannabis Use Disorder
Interventions
InTEGRA, MET/CBT
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 21 Years
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Farmington, Connecticut • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 6, 2026 · Synced Oct 22, 2026, 1:43 PM EDT
Not yet recruiting Not applicable Interventional

Applying Mixed Methods to Identify Links Between PTSD Symptoms, Cannabis Use, and Functional Behaviors With Personalized Feedback Intervention Development

NCT07721285
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic, Marijuana Abuse
Interventions
Personalized Feedback Session (PFS)
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 22, 2026, 1:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Substance Use Interventions for Truant Adolescents

NCT03655574
View directory record Official record
Conditions
Adolescent Problem Behavior, Truancy; Unsocialized, Marijuana Abuse, Truancy; Socialized, Substance Abuse, Alcohol Abuse
Interventions
Motivational + Family Check-up (MET+FCU), Psychoeducation
Behavioral · Other
Lead sponsor
Brown University
Other
Eligibility
12 Years to 18 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
2
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 3, 2024 · Synced Oct 22, 2026, 1:43 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 9, 2020 · Synced Oct 22, 2026, 1:43 PM EDT
Recruiting Phase 1Phase 2 Interventional

Mitigating PTSD-CUD After Sexual Assault

NCT05989841
View directory record Official record
Conditions
Posttraumatic Stress Disorder, Cannabis Use Disorder
Interventions
RISE Guide, Relaxation Control
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years and older · Female only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
6
States / cities
Minneapolis, Minnesota • Las Vegas, Nevada • Chapel Hill, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2026 · Synced Oct 22, 2026, 1:43 PM EDT
Completed Phase 2 Interventional Results available

A Preliminary Investigation of Pre-Frontal Repetitive Transcranial Magnetic Stimulation (rTMS) for the Treatment of Cannabis Use Disorder

NCT03144232
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Active rTMS, Sham rTMS
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 60 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 9, 2023 · Synced Oct 22, 2026, 1:43 PM EDT
Completed Not applicable Interventional Results available

Screening to Augment Referral to Treatment- Project START

NCT01539525
View directory record Official record
Conditions
Alcohol Abuse, Tobacco Use Disorder, Marijuana Abuse, Substance-Related Disorders
Interventions
Motivational Interview, Treatment as Usual
Behavioral · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
439 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 14, 2017 · Synced Oct 22, 2026, 1:43 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating the Impact of Psychotherapeutic Advertising Claims on Cannabis Purchasing

NCT07216911
View directory record Official record
Conditions
Anxiety, Depression, Cannabis Use
Interventions
CC, PAC, WL
Behavioral
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
21 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 22, 2026, 1:43 PM EDT
Completed Phase 4 Interventional

Improving Substance Use and Clinical Outcomes in Heavy Cannabis Users With Quetiapine

NCT01153490
View directory record Official record
Conditions
Cannabis Dependence
Interventions
Behavioral Intervention
Behavioral
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 65 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Glen Oaks, New York • Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Apr 17, 2018 · Synced Oct 22, 2026, 1:43 PM 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 21, 2023 · Synced Oct 22, 2026, 1:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Project CheckUP: A Brief Behavioral Intervention for Quitline Callers Who Use Marijuana (MJ) and Tobacco

NCT04737772
View directory record Official record
Conditions
Smoking Cessation, Marijuana Use
Interventions
Behavioral: Quitline treatment as usual, QL Marijuana Check-Up intervention (QL-MJCU)
Behavioral
Lead sponsor
Consumer Wellness Solutions
Industry
Eligibility
21 Years and older
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Oct 22, 2026, 1:43 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Hybrid Effectiveness-Implementation Trial of a School-Based Teen Marijuana Checkup

NCT03111667
View directory record Official record
Conditions
Cannabis Use
Interventions
Teen Marijuana Check Up, Treatment as Usual, Gold Standard Coaching, As Needed Coaching
Behavioral · Other
Lead sponsor
University of Washington
Other
Eligibility
14 Years and older
Enrollment
264 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Oct 22, 2026, 1:43 PM EDT
Completed No phase listed Observational

Effects of Marijuana Used on Lung Function in Persons With Chronic Obstructive Pulmonary Disease (COPD)

NCT01096303
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
25 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Oct 22, 2026, 1:43 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Nabilone for Cannabis Dependence: A Pilot Study

NCT01347762
View directory record Official record
Conditions
Cannabis Dependence, Marijuana Dependence
Interventions
Nabilone, Placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 1, 2018 · Synced Oct 22, 2026, 1:43 PM EDT
Withdrawn No phase listed Observational

Maternal Marijuana Use and Fetal and Infant Outcome

NCT04266314
View directory record Official record
Conditions
Cannabis Use Disorder, Pregnancy Related
Interventions
Maternal-fetal monitoring, NICU Network Neurobehavioral Scale
Device · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 44 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 17, 2021 · Synced Oct 22, 2026, 1:43 PM EDT
Completed Phase 2 Interventional Results available

A Trial of Guanfacine-er for Cannabis Use Disorder

NCT05273567
View directory record Official record
Conditions
Cannabis Use
Interventions
guanfacine-ER, Placebo
Drug · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 22, 2026, 1:43 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Neuroscience of Alcohol and Marijuana Impaired Driving

NCT03431987
View directory record Official record
Conditions
Marijuana Usage, Alcohol Drinking
Interventions
One day with a dose of placebo cannabis paired with alcohol, One day with a dose of active THC cannabis paired with alcohol
Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
21 Years to 40 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 5, 2022 · Synced Oct 22, 2026, 1:43 PM EDT
Completed Early Phase 1 Interventional Results available

Behavioral Effects of Pregabalin and Cannabis

NCT01511640
View directory record Official record
Conditions
Cannabis-use Disorders
Interventions
Pregabalin, Placebo
Drug
Lead sponsor
Joshua A. Lile, Ph.D.
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 10, 2021 · Synced Oct 22, 2026, 1:43 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Outcomes Mandate National Integration With Cannabis as Medicine

NCT03944447
View directory record Official record
Conditions
Chronic Pain, Chronic Pain Syndrome, Chronic Pain Due to Injury, Chronic Pain Due to Trauma, Fibromyalgia, Seizures, Hepatitis C, Cancer, Crohn Disease, HIV/AIDS, Multiple Sclerosis, Traumatic Brain Injury, Sickle Cell Disease, Post Traumatic Stress Disorder, Tourette Syndrome, Ulcerative Colitis, Glaucoma, Epilepsy, Inflammatory Bowel Diseases, Parkinson Disease, Amyotrophic Lateral Sclerosis, Chronic Traumatic Encephalopathy, Anxiety, Depression, Insomnia, Autism, Opioid-use Disorder, Bipolar Disorder, Covid19, SARS-CoV Infection, COVID-19, Corona Virus Infection, Coronavirus
Interventions
Cannabis, Medical, RYAH-Medtech Inhaler
Drug · Device
Lead sponsor
OMNI Medical Services, LLC
Network
Eligibility
7 Years and older
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
17
States / cities
Boca Raton, Florida • Bradenton, Florida • Fort Lauderdale, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2022 · Synced Oct 22, 2026, 1:43 PM EDT
Recruiting Phase 3 Interventional

Efficacy of PP-01 in Mitigating Cannabis Withdrawal Symptoms in Adults With Cannabis Use Disorder

NCT07644052
View directory record Official record
Conditions
Cannabis Withdrawal
Interventions
PP-01, Nabilone, Placebo
Combination Product · Drug
Lead sponsor
PleoPharma, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
22
States / cities
Little Rock, Arkansas • Rogers, Arkansas • New Haven, Connecticut + 19 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 22, 2026, 1:43 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Enhancing Medication-based Analgesia in Humans- STUDY 2

NCT04036968
View directory record Official record
Conditions
Pain, Cannabis, Opioid Use
Interventions
Within-subject test of blinded study medications
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 19, 2023 · Synced Oct 22, 2026, 1:43 PM EDT