- Conditions
- Healthy
- Interventions
- Hallucinogens and psychoactive substances
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 21 Years to 50 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2019
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
Search Results
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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.
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Suicide, Alcohol Abuse, Drug Abuse, HIV
- Interventions
- Prevention program
- Behavioral
- Lead sponsor
- George Mason University
- Other
- Eligibility
- 13 Years to 18 Years
- Enrollment
- 81 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2014
- U.S. locations
- 1
- States / cities
- Fairfax, Virginia
- Conditions
- Cannabis, Memory, Electroencephalography
- Interventions
- Cannabis (smoked flower)
- Drug
- Lead sponsor
- L. Cinnamon Bidwell
- Other
- Eligibility
- 21 Years to 40 Years
- Enrollment
- 64 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- Boulder, Colorado
- 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
- Conditions
- Pain, Abuse, Drug, Intoxication; Cannabinoids
- Interventions
- Cannabis, Dronabinol, Smoked Placebo, Oral Placebo
- Drug
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 103 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2029
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Cannabis Use, Risk Perception, Decision Making
- Interventions
- Discrete choice experiment (DCE) survey-experiment
- Behavioral
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 450 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- NMO Spectrum Disorder, Spasticity, Muscle
- Interventions
- Nabiximols, Placebo
- Drug
- Lead sponsor
- Michael, Levy M.D.,Ph.D.
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Behavioral Pharmacology of Cannabis
- Interventions
- Oral Placebo, Oral CBG Cannabis
- Drug
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2025
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Cannabis Use Disorder
- Interventions
- Approach Bias Modification (ABM), Sham ABM, Psychosocial therapy for cannabis use disorder.
- Behavioral
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 104 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2023
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Post-Surgical Pain, Post-Surgical Complication, Cancer, Cannabis Use
- Interventions
- Not listed
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 68 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Denver, Colorado
- Conditions
- Schizophrenia, Mental Disorders, Psychotic Disorders
- Interventions
- THC and Iomazenil, Placebo (control)
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 55 Years · Male only
- Enrollment
- 17 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2013
- U.S. locations
- 1
- States / cities
- West Haven, Connecticut
- 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 Dependence, Cannabis Withdrawal
- Interventions
- rimonabant, placebo
- Drug
- Lead sponsor
- The Scripps Research Institute
- Other
- Eligibility
- 21 Years to 30 Years
- Enrollment
- 66 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- La Jolla, California
- 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
- Conditions
- Cannabis Dependence
- Interventions
- Biospecimen Collection, Cannabis sativa Extract, Nicotine, Placebo Administration, Questionnaire Administration
- Procedure · Drug · Other
- Lead sponsor
- Roswell Park Cancer Institute
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- Buffalo, New York
- Conditions
- Cannabis Use, Psychiatric Disorder
- Interventions
- eToke + TPsy
- Behavioral
- Lead sponsor
- Rhode Island Hospital
- Other
- Eligibility
- 18 Years to 28 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Providence, Rhode Island
- 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
- Pain, Abuse, Drug
- Interventions
- Oxycodone, Cannabis (THC:CBD = ~ 1:0), Cannabis (THC:CBD = ~ 0:1), Cannabis (THC:CBD = ~ 1:1), Placebo
- Drug
- Lead sponsor
- New York State Psychiatric Institute
- Other
- Eligibility
- 21 Years to 53 Years
- Enrollment
- 26 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- New York, New York
- 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
- Conditions
- Cannabis Use, Depression, Suicidal Ideation, Adolescent Behavior
- Interventions
- Contingency management for cannabis abstinence
- Behavioral
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 12 Years to 18 Years
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2029
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Substance-Related Disorders
- Interventions
- webCHAT, Usual Care
- Behavioral
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 15 Years to 17 Years
- Enrollment
- 198 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2025
- U.S. locations
- 2
- States / cities
- Denver, Colorado • Dearborn, Michigan
- Conditions
- Marijuana Abuse, Substance-Related Disorders
- Interventions
- Bupropion
- Drug
- Lead sponsor
- National Institute on Drug Abuse (NIDA)
- NIH
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2006
- U.S. locations
- 1
- States / cities
- Belmont, Massachusetts
- Conditions
- Cannabis Use Disorder, Severe
- Interventions
- TMS - Sham, TMS - Active iTBS, TMS - Active cTBS
- Device
- Lead sponsor
- Auburn University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Auburn, Alabama
- Conditions
- Marijuana Dependence
- Interventions
- Oxytocin, Saline
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina