- Conditions
- Schizophrenia, Substance Abuse, Cocaine Abuse, Tobacco Use Disorder
- Interventions
- Various Screening psychiatric and medical assessments
- Behavioral
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Eligibility
- 18 Years to 64 Years
- Enrollment
- 523 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2019
- U.S. locations
- 1
- States / cities
- Catonsville, Maryland
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.
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 314
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Pain, Cannabis, Opioid Use, Unspecified
- Interventions
- Within-subject test of blinded study medications
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 29 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2020
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- 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
- Conditions
- Cannabis Use Disorder
- Interventions
- Broad Spectrum Cannabidiol (bsCBD) 400 mg, Placebo
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years to 25 Years
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2028
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- 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
- Conditions
- Cannabis Use
- Interventions
- "All Natural" descriptor, "Gluten-free" descriptor, "Vegan" descriptor, "100% Organic" descriptor, "Handcrafted" descriptor, "Made with live resin" descriptor, "Fast-acting" descriptor, "Relax" descriptor, "Energy Boost" descriptor, No descriptor (control)
- Behavioral
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 2,521 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Addiction, Substance Abuse, Cannabis Use Disorder, Cannabis Use, Cannabis Dependence, Cannabis Abuse
- Interventions
- Breathwork workshop
- Behavioral
- Lead sponsor
- Elias Dakwar
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2025
- U.S. locations
- 1
- States / cities
- New York, New York
- 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
- 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
- Conditions
- Adolescent Drinking, Adolescent Problem Behavior
- Interventions
- Qlarity app users
- Behavioral
- Lead sponsor
- Oregon Research Behavioral Intervention Strategies, Inc.
- Industry
- Eligibility
- 13 Years to 18 Years
- Enrollment
- 257 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- Springfield, Oregon
- Conditions
- Opioid Use Disorder
- Interventions
- Cannabidiol, Placebo
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 126 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2025
- U.S. locations
- 2
- States / cities
- Aurora, Colorado
- Conditions
- Cannabis Use, Healthy
- Interventions
- Placebo oral capsule, THC
- Drug
- Lead sponsor
- University of Illinois at Chicago
- Other
- Eligibility
- 18 Years to 25 Years
- Enrollment
- 141 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- HIV Positive, Marijuana Smoking
- Interventions
- Not listed
- Lead sponsor
- Wayne State University
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 119 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2017
- U.S. locations
- 1
- States / cities
- Detroit, Michigan
- Conditions
- HIV/AIDS
- Interventions
- Family-Based HIV prevention, Adolescent Only Health Promotion
- Behavioral · Other
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 13 Years to 18 Years
- Enrollment
- 120 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2013
- U.S. locations
- 1
- States / cities
- Providence, Rhode Island
- Conditions
- Substance Use Disorders
- Interventions
- Intensive Outpatient Treatment (IOP) + Contingency Management (CM), Working Memory Training
- Behavioral
- Lead sponsor
- Dartmouth-Hitchcock Medical Center
- Other
- Eligibility
- 12 Years to 26 Years
- Enrollment
- 59 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2018
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- 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
- 464
- States / cities
- Fairbanks, Alaska • Kingman, Arizona • Phoenix, Arizona + 360 more
- Conditions
- Cannabis Dependence, Healthy
- Interventions
- [11-C]OMAR
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 162 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2022
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Marijuana Use, Marijuana Dependence, Tobacco Use, Alcohol Use, Unspecified
- Interventions
- Domain-Specific Episodic Future Thinking
- Behavioral
- Lead sponsor
- Michael Sofis
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Sudbury, Massachusetts
- Conditions
- THC, Cannabis, Cannabis Use, Cannabis Smoking, Tobacco Use, Vaping
- Interventions
- Cannabis, Nicotine, Pax Loose Leaf Vaporizer, Placebo Marijuana
- Drug · Device · Other
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 21 Years to 65 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- San Francisco, California
- 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
- Conditions
- Alcohol Use, Marijuana Use, Sexual Behavior
- Interventions
- OnTrack, Treatment as Usual, Brief Motivational Interviewing
- Behavioral
- Lead sponsor
- New York State Psychiatric Institute
- Other
- Eligibility
- 18 Years to 21 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2016
- U.S. locations
- 1
- States / cities
- New York, New York
- 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
- Conditions
- PTSD, Cannabis-Related Disorder
- Interventions
- Contingency Management (CM)
- Behavioral
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 65 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2026
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Gambling, Alcohol Consumption, Cannabis
- Interventions
- Personalized Feedback Intervention
- Behavioral
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 17 Years to 24 Years
- Enrollment
- 361 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2015
- U.S. locations
- 1
- States / cities
- Seattle, Washington