Clinical Trials Finder
Independent ClinicalTrials.gov directory
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 May 22, 2026, 5:24 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Marijuana Smoking Clear all
Completed No phase listed Observational Accepts healthy volunteers Results available
View directory record Official record
Conditions
Chronic Pain
Interventions
Medical Cannabis
Other
Lead sponsor
Florida State University
Other
Eligibility
50 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 23, 2025 · Synced May 22, 2026, 5:24 AM EDT
Withdrawn No phase listed Observational
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 16, 2021 · Synced May 22, 2026, 5:24 AM EDT
Completed Early Phase 1 Interventional Results available
View directory record Official record
Conditions
Smoking, Cannabis
Interventions
cannabis
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
3
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced May 22, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Alcohol Drinking, Smoking, Marijuana Smoking
Interventions
Project ALERT
Behavioral
Lead sponsor
Pacific Institute for Research and Evaluation
Other
Eligibility
Not listed
Enrollment
8,338 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 12, 2013 · Synced May 22, 2026, 5:24 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cannabis Use, Tobacco Use, Electronic Cigarette Use
Interventions
THC High Dose, THC Low Dose, THC 0mg, E-Cigarette Full Nicotine, E-Cigarette Placebo Nicotine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced May 22, 2026, 5:24 AM EDT
Withdrawn Phase 2 Interventional
View directory record Official record
Conditions
Tobacco Use Disorder, Cannabis Use Disorder
Interventions
Varenicline, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced May 22, 2026, 5:24 AM EDT
Completed No phase listed Observational
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 14, 2017 · Synced May 22, 2026, 5:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cannabis
Interventions
Marijuana
Drug
Lead sponsor
Battelle Memorial Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 1, 2019 · Synced May 22, 2026, 5:24 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Adolescent Substance Use
Interventions
Guiding Good Choices
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
11 Years to 12 Years
Enrollment
3,636 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
3
States / cities
Oakland, California • Aurora, Colorado • Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 2, 2024 · Synced May 22, 2026, 5:24 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Marijuana Smoking
Interventions
Personalized Feedback and Exercise
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 25 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jan 31, 2016 · Synced May 22, 2026, 5:24 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Use Disorder
Interventions
Varenicline Pill, Contingency management, Counseling
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 40 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Charleston, South Carolina • Lancaster, South Carolina • Pickens, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 6, 2025 · Synced May 22, 2026, 5:24 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Marijuana Smoking
Interventions
Inactive Marijuana (0% THC), Active Marijuana (5.5% THC), Active Marijuana (6.2% THC), Naltrexone, Placebo naltrexone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 13, 2018 · Synced May 22, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Psychosis, Substance Use, Substance Use Disorders, Family, Tobacco Use, Nicotine Use Disorder, Cigarette Smoking, Cannabis, Marijuana, Alcohol Use Disorder, Alcohol, Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Mental Disorder
Interventions
CRAFT-FT
Behavioral
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 11, 2022 · Synced May 22, 2026, 5:24 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cannabis Smoking, Driving Impaired
Interventions
Active smoked cannabis, Placebo smoked cannabis
Drug
Lead sponsor
Bayliss J. Camp, PhD
Government
Eligibility
21 Years to 55 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced May 22, 2026, 5:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Women's Sexual Health
Interventions
Not listed
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
373 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 6, 2017 · Synced May 22, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Alcohol Use, Marijuana Use
Interventions
MICUNAY, Community Wellness Gathering
Behavioral · Other
Lead sponsor
RAND
Other
Eligibility
14 Years to 18 Years
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
2
States / cities
Los Angeles, California • Oakland, California
Source: ClinicalTrials.gov public record
Updated Jun 25, 2024 · Synced May 22, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Marijuana Use
Interventions
1) Face-to-face, and 2) Computer-mediated motivational type interviews
Behavioral
Lead sponsor
University of Texas, El Paso
Other
Eligibility
18 Years to 29 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced May 22, 2026, 5:24 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Cannabis Intoxication
Interventions
Cannabis
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 55 Years
Enrollment
199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 3, 2022 · Synced May 22, 2026, 5:24 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cannabis Use, Tobacco Use, Cigarette Smoking
Interventions
THC 30mg, THC 5mg, THC 0mg, Cigarette Full Nicotine, Cigarette Reduced Nicotine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced May 22, 2026, 5:24 AM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Cannabis Use, Tobacco Use Disorder, Drug Use Disorder
Interventions
N-Acetyl cysteine, Placebo comparator, Cognitive behavioral therapy (CBT)
Drug · Other · Behavioral
Lead sponsor
Ellen Herbst
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced May 22, 2026, 5:24 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Medical Cannabis
Interventions
Not listed
Lead sponsor
Florida State University
Other
Eligibility
50 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
2
States / cities
Gainesville, Florida • Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced May 22, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smoking
Interventions
smokeSCREEN game
Behavioral
Lead sponsor
Yale University
Other
Eligibility
10 Years to 16 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
4
States / cities
Hamden, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 18, 2018 · Synced May 22, 2026, 5:24 AM EDT
Completed No phase listed Observational
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 May 22, 2026, 5:24 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cannabis
Interventions
iTBS
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced May 22, 2026, 5:24 AM EDT