- Conditions
- Marijuana Impairment, Alcohol Impairment
- Interventions
- Low Marijuana, Hash, THC, or Grass, High Marijuana, Hash, THC, or Grass, Placebo, 0.05 BAC Alcohol, 0.08 BAC Alcohol
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 21 Years to 40 Years
- Enrollment
- 41 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Hartford, Connecticut
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 31
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Cannabis Withdrawal
- Interventions
- PP-01 High Dose, PP-01 Low Dose, Placebo, Nabilone, Gabapentin
- Combination Product · Drug
- Lead sponsor
- PleoPharma, Inc.
- Industry
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 234 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 18
- States / cities
- Glendale, California • Lemon Grove, California • Orange, California + 15 more
- Conditions
- Neuropathic Pain, Reflex Sympathetic Dystrophy, Peripheral Neuropathy, Post-herpetic Neuralgia, Spinal Cord Injury, Multiple Sclerosis
- Interventions
- Mild dose cannabis, Low dose cannabis, Cannabis
- Drug
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Sacramento, California
- Conditions
- Cannabis Intoxication
- Interventions
- Cannabis, Pregnenolone 250 mg, Pregnenolone 500 mg, Placebo, Placebo brownie
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2029
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Cannabis, Psychotic Disorders
- Interventions
- THC, Placebo
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 21 Years to 35 Years
- Enrollment
- 57 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- West Haven, Connecticut
- Conditions
- COMT Gene Polymorphism
- Interventions
- delta 9 tetrahydrocannabinol
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 72 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2014
- U.S. locations
- 1
- States / cities
- West Haven, Connecticut
- 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
- Conditions
- Cannabis, Low Back Pain, Neuropathic Pain
- Interventions
- Placebos, dronabinol, Vaporized Cannabis 3.7% THC/5.6% CBD
- Drug
- Lead sponsor
- University of California, San Diego
- Other
- Eligibility
- 19 Years to 70 Years
- Enrollment
- 131 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2020
- U.S. locations
- 1
- States / cities
- San Diego, California
- Conditions
- Neuropathic Pain
- Interventions
- Cannabis
- Drug
- Lead sponsor
- Center for Medicinal Cannabis Research
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 28 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2006
- U.S. locations
- 1
- States / cities
- Sacramento, California
- 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
- Conditions
- New York Medical Marijuana Program Qualifying Conditions
- Interventions
- DNA Genotek Oragene 600
- Other
- Lead sponsor
- Columbia Care Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 157 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Spinal Cord Injuries, Spinal Cord Diseases
- Interventions
- Vaporization of Cannabis
- Drug
- Lead sponsor
- Barth Wilsey
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Mather, California
- 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
- Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
- Interventions
- Active inhaled delta-9-THC, Placebo, Active Oral Ethanol
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 21 Years to 55 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2026
- U.S. locations
- 1
- States / cities
- West Haven, Connecticut
- Conditions
- Cannabis Intoxication, Alcohol Intoxication
- Interventions
- Cannabis, Alcohol
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 21 Years to 55 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2025
- 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
- Palliative Care, Pain, Cancer
- Interventions
- Sativex Low Dose, Sativex Medium Dose, Sativex High Dose
- Drug
- Lead sponsor
- GW Pharmaceuticals Ltd
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 360 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2010
- U.S. locations
- 23
- States / cities
- Tuscaloosa, Alabama • Casa Grande, Arizona • Fountain Valley, California + 19 more
- Conditions
- Behavioral Pharmacology of Cannabis
- Interventions
- cannabis
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Abuse Cannabis, Pain, Pharmacokinetics
- Interventions
- Placebo Comparator: Placebo, Low dose THC, High dose THC
- Drug
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 21 Years to 55 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- 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
- Cannabis, Psychotic Disorders
- Interventions
- THC, Placebo
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 42 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2012
- U.S. locations
- 1
- States / cities
- West Haven, Connecticut
- Conditions
- Marijuana Impairment
- Interventions
- Low dose THC marijuana, High dose THC marijuana, Placebo marijuana
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 62 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2021
- U.S. locations
- 1
- States / cities
- Hartford, Connecticut
- Conditions
- Marijuana Smoking
- Interventions
- Dronabinol 120mg/day, Placebo, Dronabinol 240mg/day
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Alcohol Drinking, Cannabis
- Interventions
- Alcohol(oral) and placebo, Cannabis(THC)(Inhaled) and Placebo
- Drug
- Lead sponsor
- Gary R Gaffney
- Other
- Eligibility
- 21 Years to 55 Years
- Enrollment
- 98 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa