- Conditions
- Marijuana Smoking
- Interventions
- Smoked marijuana cigarettes: High THC dose (6% THC)
- Drug
- Lead sponsor
- Brown University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 133 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- Providence, Rhode Island
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 1–24
of 325
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Cannabis Use, Alcohol Use, Inflammation
- Interventions
- Not listed
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 21 Years to 60 Years
- Enrollment
- 77 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- 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
- 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
- Conditions
- Cannabis Use Disorder
- Interventions
- Guided Imagery Laboratory Session
- Other
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 39 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Cannabis, Cannabis Use, Marijuana, Marijuana Usage, Alcohol Drinking
- Interventions
- Marijuana, Alcohol, placebo alcohol, Inactive marijuana
- Drug
- Lead sponsor
- Shanna Babalonis, PhD
- Other
- Eligibility
- 21 Years to 50 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2023
- U.S. locations
- 1
- States / cities
- Lexington, Kentucky
- 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
- 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
- Conditions
- Cannabis Dependence
- Interventions
- Contingency Management + Motivational Interviewing
- Behavioral
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 49 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Substance Use, Binge Drinking, Marijuana Use, Alcohol Drinking, Prescription Opioid Misuse, Illicit Drug Use
- Interventions
- iSTART Web-app
- Behavioral
- Lead sponsor
- California State University, Northridge
- Other
- Eligibility
- 18 Years to 30 Years
- Enrollment
- 1,100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Northridge, California
- Conditions
- Marijuana Use, Opioid Use
- Interventions
- Marijuana, Opioid
- Drug
- Lead sponsor
- Shanna Babalonis, PhD
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Lexington, Kentucky
- 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
- 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
- Perinatal, Cannabis Use, Tobacco Use, Smoking Cessation
- Interventions
- Perinatal smoking cessation treatment and maintenance sessions
- Behavioral
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- 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
- Cannabis Use
- Interventions
- Stanford Cannabis Awareness and Prevention curriculum
- Behavioral
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 10 Years to 20 Years
- Enrollment
- 443 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2025
- U.S. locations
- 1
- States / cities
- Palo Alto, California
- Conditions
- Cancer Pain, Quality of Life, Pain, Acute, Cannabis Use
- Interventions
- PPP001, Placebo
- Drug
- Lead sponsor
- Tetra Bio-Pharma
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 78 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Cave Creek, Arizona
- Conditions
- Opioid Use Disorder
- Interventions
- Morphine Sulfate
- Drug
- Lead sponsor
- National Institute on Drug Abuse (NIDA)
- NIH
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Overland Park, Kansas
- Conditions
- Cannabis Use Disorder
- Interventions
- Broad Spectrum Cannabidiol (bsCBD) 400 mg, Broad Spectrum Cannabidiol (bsCBD) 200 mg, Placebo
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 25 Years to 60 Years
- Enrollment
- 120 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2028
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Cannabis Use
- Interventions
- Repetitive Transcranial Magnetic Stimulation
- Device
- Lead sponsor
- National Institute on Drug Abuse (NIDA)
- NIH
- Eligibility
- 18 Years to 65 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Catonsville, Maryland
- 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
- Conditions
- Cannabis Use
- Interventions
- Progesterone, Placebo
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 148 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- 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
- Conditions
- Cannabis Use Disorder, Tobacco Use Disorder
- Interventions
- CUD Treatment, Tobacco Treatment
- Behavioral
- Lead sponsor
- Dartmouth-Hitchcock Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 67 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2017
- U.S. locations
- 3
- States / cities
- Concord, New Hampshire • Lebanon, New Hampshire • Seattle, Washington