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ClinicalTrials.gov public records Last synced Oct 24, 2026, 6:01 PM EDT

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Showing 49–63 of 63 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: High THC Clear all

Conditions: Cannabis, HIV Neuropathy, Pain Syndrome
Interventions: Cannabis; Drug
Lead sponsor: University of California, San Diego; Other
Eligibility: 18 Years and older
Enrollment: 5 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2022
U.S. locations: 1
States / cities: San Diego, California

Conditions: Pain, Abuse, Drug
Interventions: Active Cannabis, Placebo Cannabis; Drug
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 21 Years to 55 Years
Enrollment: 160 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2027
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Restless Leg Syndrome
Interventions: BRC-002, Placecbo; Drug
Lead sponsor: University of Colorado, Denver; Other
Eligibility: 18 Years to 79 Years
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 1
States / cities: Aurora, Colorado

Conditions: Endometriosis, CBD, Pelvic Pain
Interventions: Cannabidiol (CBD) Extract, Norethindrone Acetate, Placebo; Drug · Other
Lead sponsor: Milton S. Hershey Medical Center; Other
Eligibility: 18 Years to 45 Years · Female only
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2024
U.S. locations: 1
States / cities: Hershey, Pennsylvania

Conditions: Pain, Abuse, Drug
Interventions: Low THC, High THC, Low Myrcene, High Myrcene, Low Beta-Caryophyllene, High Beta-Caryophyllene, Placebo; Drug
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 21 Years to 55 Years
Enrollment: 45 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2026
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Cannabis
Interventions: Cannabis(THC) inhaled; Drug
Lead sponsor: ISBRG Corp; Other
Eligibility: 18 Years and older
Enrollment: 75 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022
U.S. locations: 1
States / cities: Iowa City, Iowa

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: Marijuana Use Disorder
Interventions: Inactive Marijuana (0% THC), Low THC marijuana (1.8 %THC), High THC marijuana (3.9% THC); Drug
Lead sponsor: New York State Psychiatric Institute; Other
Eligibility: 21 Years to 45 Years
Enrollment: 36 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2008
U.S. locations: 1
States / cities: New York, New York

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: 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

Conditions: Cannabis
Interventions: CBD, THC; Drug
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years to 55 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Smoking, Marijuana
Interventions: CBD; Drug
Lead sponsor: National Institute on Drug Abuse (NIDA); NIH
Eligibility: 18 Years to 50 Years
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2014
U.S. locations: 3
States / cities: Lexington, Kentucky • New York, New York • Charleston, South Carolina

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
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: Cannabis Use, THC, Marijuana Use, Cognitive Impairment, THC Vaping
Interventions: 15% THC Potency Reduction, 35% THC Potency Reduction; Behavioral
Lead sponsor: University of California, San Francisco; Other
Eligibility: 21 Years to 25 Years
Enrollment: 110 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: San Francisco, California