Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 21, 2026, 11:09 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 324 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Marijuana Usage Clear all
Recruiting Not applicable Interventional

Medical Cannabis and Behavior

NCT06808048
View directory record Official record
Conditions
Chronic Pain Patients, Medical Cannabis Users
Interventions
Cognitive testing, Task-based fMRI measure of face-name and verbal learning
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
30 Years to 75 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Jul 21, 2026, 11:09 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effect of Lorcaserin on Cannabis Withdrawal and Self-administration

NCT03253926
View directory record Official record
Conditions
Cannabis Use
Interventions
Lorcaserin, Placebo, Marijuana
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced Jul 21, 2026, 11:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Young Adult Tobacco/Nicotine and Cannabis Co-use

NCT06239350
View directory record Official record
Conditions
Tobacco Use Disorder, Nicotine Dependence
Interventions
Counseling, Contingency management, Text-based support
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 25 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Jul 21, 2026, 11:09 AM 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 8, 2023 · Synced Jul 21, 2026, 11:09 AM EDT
Recruiting Phase 1Phase 2 Interventional

SCORE Emerging Adult Cannabis Use & Stress

NCT05885542
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Cannabidiol oral solution, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 25 Years
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Jul 21, 2026, 11:09 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Smart Talk: Cannabis Awareness and Prevention Curriculum Evaluation

NCT07357454
View directory record Official record
Conditions
Cannabis Use
Interventions
Behavioral: Smart Talk Cannabis Awareness and Prevention
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
10 Years to 20 Years
Enrollment
10,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jul 21, 2026, 11:09 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 2, 2026 · Synced Jul 21, 2026, 11:09 AM EDT
Completed No phase listed Observational

Gastric Ultrasound Assessment for Patients Taking Cannabis

NCT06567873
View directory record Official record
Conditions
Gastric Ultrasound, Point of Care Ultrasound, Cannabis Use
Interventions
Gastric Ultrasound Exam
Other
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 99 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Jul 21, 2026, 11:09 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effects of ∆-9-THC and Naloxone in Humans

NCT01591629
View directory record Official record
Conditions
Healthy
Interventions
Naloxone, Delta-9-THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Jul 21, 2026, 11:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gender-Responsive Drug Use Treatment for Juvenile Justice Girls

NCT02293057
View directory record Official record
Conditions
Drug Use
Interventions
VOICES Group, Girl Health Group
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
12 Years to 24 Years · Female only
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 22, 2020 · Synced Jul 21, 2026, 11:09 AM EDT
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 May 21, 2026 · Synced Jul 21, 2026, 11:09 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 1, 2023 · Synced Jul 21, 2026, 11:09 AM EDT
Completed Not applicable Interventional

Short-Term Exposure for PTSD

NCT02874898
View directory record Official record
Conditions
Chronic Post-Traumatic Stress Disorder, Marijuana Abuse
Interventions
Brief Imaginal Exposure
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 22, 2022 · Synced Jul 21, 2026, 11:09 AM EDT
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers

Research Investigating Drug Effects-2 (RiDE-2)

NCT06758596
View directory record Official record
Conditions
Cannabis Use, Substance Use Disorder (SUD), Healthy
Interventions
Placebo Oral Capsule, THC
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 21 Years
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2031
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Jul 21, 2026, 11:09 AM EDT
Completed Phase 2 Interventional Results available

A Teleheath tDCS Approach to Decrease Cannabis Use

NCT05005013
View directory record Official record
Conditions
Cannabis Use Disorder, Multiple Sclerosis
Interventions
Transcranial Direct Current Stimulation (tDCS), Sham - Transcranial Direct Current Stimulation (tDCS), Mindfulness
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years to 65 Years · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2025 · Synced Jul 21, 2026, 11:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigating Real-world Stress-related Mechanisms in Heavy Cannabis Users

NCT05833230
View directory record Official record
Conditions
Cannabis Use, Cannabis, Cannabis Abuse
Interventions
Intensive Day Monitoring
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 3, 2025 · Synced Jul 21, 2026, 11:09 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

The Impact of Product Formulation on the Pharmacokinetics and Pharmacodynamics of Cannabis Edibles

NCT05602649
View directory record Official record
Conditions
Cannabis Use
Interventions
Cannabis, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 55 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jul 21, 2026, 11:09 AM EDT
Completed Phase 1 Interventional

Use of a Generative AI (Gen-AI) Chatbot for Anxiety and Depression Among Persons With Cannabis Use

NCT06920238
View directory record Official record
Conditions
Cannabis Use Disorder, Anxiety, Depression, Anxiety, Depression - Major Depressive Disorder
Interventions
Therabot-CALM
Device
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Jul 21, 2026, 11:09 AM EDT
Completed No phase listed Observational

Quiting Marijuana Use: Self-report Study of Quitting Straegies and Withdrawal Symptoms

NCT01603992
View directory record Official record
Conditions
Cannabis Abuse, Cannabis Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
822 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
3
States / cities
Baltimore, Maryland • Catonsville, Maryland • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Jul 21, 2026, 11:09 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 Sep 30, 2024 · Synced Jul 21, 2026, 11:09 AM EDT
Not yet recruiting Not applicable Interventional

Brief Family-Based Cannabis Use Intervention for Youth With Early Juvenile Justice Involvement

NCT07700849
View directory record Official record
Conditions
Cannabis Use, Delinquency
Interventions
Brief Family Based Intervention, Parenting Psychoeducation
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
12 Years to 16 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Jul 21, 2026, 11:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

THC Crossover Study

NCT04429568
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced Jul 21, 2026, 11:09 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 13, 2026 · Synced Jul 21, 2026, 11:09 AM EDT
Completed Phase 1 Interventional

Oral Fluid, Plasma and Whole Pharmacokinetics and Stability Following Smoked Cannabis

NCT01071616
View directory record Official record
Conditions
Cannabis Use, Drug Abuse
Interventions
Cannabis Cigarette
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Jul 21, 2026, 11:09 AM EDT