- 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
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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 25–36
of 12
matching trials from the live ClinicalTrials.gov search.
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- 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
- Pain Threshold, Mood
- Interventions
- Placebo capsules, Inactive marijuana (0% THC), Low dose Dronabinol, High dose Dronabinol, Low THC marijuana, High THC marijuana
- Drug
- Lead sponsor
- New York State Psychiatric Institute
- Other
- Eligibility
- 21 Years to 45 Years · Female only
- Enrollment
- 34 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2013
- U.S. locations
- 1
- States / cities
- New York, New York
- 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
- Conditions
- Obstructive Sleep Apnea
- Interventions
- IHL-42X Low Dose, IHL-42X High Dose, Placebo, IHL-42X (Optimal Dose), Dronabinol, Acetazolamide
- Drug
- Lead sponsor
- Incannex Healthcare Ltd
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 121 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 20
- States / cities
- Chula Vista, California • Long Beach, California • Upland, California + 16 more
- 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
- Interventions
- CBD 1mg/Kg, CBD 2mg/Kg, CBD 4mg/Kg, Placebo CBD
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 21 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Marijuana Impairment
- Interventions
- Low Dose THC Marijuana, High Dose THC Marijuana, Placebo Marijuana
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 20 Years to 40 Years
- Enrollment
- 26 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2020
- U.S. locations
- 1
- States / cities
- Hartford, Connecticut
- 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
- 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
- Conditions
- Alcoholism
- Interventions
- THC, Placebo
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 30 Years
- Enrollment
- 29 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2010
- 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