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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:05 AM EDT

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Showing 169–192 of 610 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Marijuana Clear all
Completed Not applicable Interventional Results available

Reducing Cannabis Use for Sleep Among Adults Using Medical Cannabis

NCT03964974
View directory record Official record
Conditions
Insomnia Chronic, Cannabis Use
Interventions
Cognitive Behavioral Therapy for Insomnia in Cannabis Users (CBTi-CB), Sleep Hygiene Education (SHE)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced Oct 21, 2026, 9:05 AM EDT
Completed Not applicable Interventional

Impact of Cannabis Use and Abstinence on Emotion

NCT07746440
View directory record Official record
Conditions
Cannabis Use Disorder, Severe
Interventions
Contingency management for cannabis abstinence and lab visit attendance, Contingency management for lab visit attendance
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 21, 2026, 9:05 AM EDT
Completed Not applicable Interventional

TECH App Marijuana Use Intervention for Court-Involved Adolescents

NCT05979272
View directory record Official record
Conditions
Cannabis Use, Adolescent
Interventions
Treatment as usual, Teen Empowerment through Computerized Health (TECH) app
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
14 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
4
States / cities
Chicago, Illinois • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Oct 21, 2026, 9:05 AM EDT
Active, not recruiting Phase 2 Interventional

Cannabis Effects on Antiretroviral Therapy Pharmacokinetics and Neurotoxicity

NCT04800159
View directory record Official record
Conditions
HIV, Cannabis Use
Interventions
THC Cannabis, CBD Cannabis, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Oct 21, 2026, 9:05 AM EDT
Completed Phase 1Phase 2 Interventional

Comparing the Effects of Smoked and Oral Marijuana in Individuals With HIV/AIDS

NCT00079560
View directory record Official record
Conditions
HIV Infections
Interventions
dronabinol
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Oct 21, 2026, 9:05 AM EDT
Recruiting No phase listed Observational

Assessing Benefits and Harms of Cannabis/Cannabinoid Use Among Cancer Patients Treated in Community Oncology Clinics

NCT06418204
View directory record Official record
Conditions
Breast Carcinoma, Colorectal Carcinoma, Lung Non-Small Cell Carcinoma, Melanoma, Non-Hodgkin Lymphoma
Interventions
Non-interventional Study
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
483
States / cities
Fairbanks, Alaska • Kingman, Arizona • Phoenix, Arizona + 376 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 21, 2026, 9:05 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 21, 2026, 9:05 AM EDT
Completed No phase listed Observational

Can Medical Cannabis Affect Opioid Use?

NCT06206252
View directory record Official record
Conditions
Chronic Pain, Pain
Interventions
Medical Cannabis
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 21, 2026, 9:05 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

CBD Cannabis Extract: Pharmacokinetic Studies

NCT04280289
View directory record Official record
Conditions
Epilepsy
Interventions
cannabidiol extract
Drug
Lead sponsor
University of Mississippi, Oxford
Other
Eligibility
21 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
University, Mississippi
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Oct 21, 2026, 9:05 AM EDT
Completed Phase 2 Interventional Results available

Pilot Study of the Safety and Efficacy of Four Different Potencies of Smoked Marijuana in 76 Veterans With PTSD

NCT02759185
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
High THC cannabis, High CBD cannabis, THC/CBD cannabis, Placebo cannabis
Drug
Lead sponsor
Multidisciplinary Association for Psychedelic Studies
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 12, 2023 · Synced Oct 21, 2026, 9:05 AM EDT
Completed Phase 1 Interventional Results available

Facilitating the Behavioral Treatment of Cannabis Use Disorder

NCT02946489
View directory record Official record
Conditions
Cannabis Dependence
Interventions
CI-581a
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 60 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 11, 2020 · Synced Oct 21, 2026, 9:05 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Addressing Tobacco, E-Cigarette, and Cannabis Waste

NCT05751369
View directory record Official record
Conditions
Knowledge, Attitudes, Practice
Interventions
Education plus Support
Behavioral
Lead sponsor
California State University, San Marcos
Other
Eligibility
18 Years to 25 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Davis, California • San Marcos, California
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 21, 2026, 9:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic and Pharmacodynamic Effects of Smoked and Vaporized Cannabis

NCT03676166
View directory record Official record
Conditions
Cannabis
Interventions
Cannabis
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 13, 2019 · Synced Oct 21, 2026, 9:05 AM EDT
Not yet recruiting Phase 1 Interventional

Cannabis and Opioid Use Disorder, Study 2

NCT07661446
View directory record Official record
Conditions
Opioid Use Disorders, Cannabis Use
Interventions
Inhaled Cannabis, Intranasal Opioid
Drug
Lead sponsor
University of Kentucky
Other
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 21, 2026, 9:05 AM 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 Oct 1, 2024 · Synced Oct 21, 2026, 9:05 AM 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 21, 2026, 9:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Alcohol, Marijuana, and Risky Sex: Group Interventions With Detained Adolescents

NCT01170260
View directory record Official record
Conditions
Risk Reduction Behavior, Health Behavior, Sexual Behavior, Adolescent Behavior, Cannabis
Interventions
INFORMATION-ONLY SEXUAL RISK REDUCTION (INFO-ONLY), SEXUAL PLUS ALCOHOL RISK REDUCTION (SRRI+ETOH), SEXUAL + ALCOHOL + MARIJUANA RISK REDUCTION
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
14 Years to 18 Years
Enrollment
460 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Oct 21, 2026, 9:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cannabis Effects on Brain Morphology in Aging

NCT01874886
View directory record Official record
Conditions
Study Focuses on Brain Morphology and Cognition in Older Subjects
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
60 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced Oct 21, 2026, 9:05 AM EDT
Completed Not applicable Interventional

Peer Approaches to Substances in Early Psychosis Programs: A Pilot Study of a Peer-Led Intervention

NCT04517279
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 19, 2025 · Synced Oct 21, 2026, 9:05 AM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Cannabis-Tobacco Co-Use Treatment Study

NCT06883162
View directory record Official record
Conditions
Tobacco Use Disorder, Tobacco Use Cessation, Cannabis Use, Cannabis Use Disorder, Marijuana Use
Interventions
Varenicline, Counseling, Psychosocial modules
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 21, 2026, 9:05 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 31, 2022 · Synced Oct 21, 2026, 9:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project e-PBI+ - Parent Intervention to Reduce College Student Drinking and Cannabis Use

NCT05345951
View directory record Official record
Conditions
Underage Drinking, Cannabis Use, Drinking, Teen, Drinking, College, College Drinking, Teen Drinking
Interventions
e-PBI
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 19 Years
Enrollment
1,980 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 21, 2026, 9:05 AM EDT
Enrolling by invitation No phase listed Observational

Healthcare Integrity & Anti-Fraud Enforcement

NCT07217730
View directory record Official record
Conditions
Healthcare Fraud Schemes, Kickback Networks, Supply Chain Vulnerabilities, Governance Failures, Whistleblower Activation, Regulatory Escalation Pathways, Validator Oversight & DAO Governance, Public Transparency & Auditability
Interventions
Validator-Governed Reform & Regulatory Escalation Protocol, Coalition-Grade Validator Dashboard Module (CVDM-1), Coalition-Flagged Pharmaceutical Audit Trigger (CFPAT-1)
Other · Device · Drug
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2034
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 21, 2026, 9:05 AM EDT
Completed Not applicable Interventional Results available

Mobile Contingency Management for Marijuana and Tobacco Cessation

NCT02869451
View directory record Official record
Conditions
Cigarette Smoking, Marijuana Abuse
Interventions
bupropion, transdermal nicotine patch, Nicotine polacrilex, nicotine lozenge, counseling for marijuana and smoking cessation, mobile contingency management
Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 7, 2020 · Synced Oct 21, 2026, 9:05 AM EDT