Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 5, 2026, 8:24 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–19 of 19 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Rheumatoid Arthritis, Psoriatic Arthritis
Interventions
Cannabis: placebo and medium THC/medium CBD
Drug
Lead sponsor
Brown University
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Providence, Rhode Island
Completed Early Phase 1 Interventional Accepts healthy volunteers

Cannabinoids, Neural Synchrony, and Information Processing

NCT00708994
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
Autism Spectrum Disorder, Anxiety
Interventions
MB-IMP, Placebo
Drug · Other
Lead sponsor
Southwest Autism Research & Resource Center
Other
Eligibility
18 Years to 45 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Completed Phase 3 Interventional Accepts healthy volunteers

Cannabis Versus Oxycodone for Pain Relief

NCT02892591
Conditions
Back Pain, Neck Pain
Interventions
Cannabis, Oxycodone, Placebo for Cannabis, Placebo for Oxycodone
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Behavioral and Physiological Effects of THC and CBD

NCT03832816
Conditions
Healthy Volunteers
Interventions
Placebo, Vaporized THC alone, Vaporized CBD alone, Vaporized CBD with THC
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
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
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
Recruiting Phase 1Phase 2 Interventional

CBD for Knee Osteoarthritis

NCT06414473
Conditions
Osteoarthritis, Knee
Interventions
Cannabidiol (CBD) Extract, Placebo
Drug
Lead sponsor
University of Florida
Other
Eligibility
40 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cannabidiol Effects on Blood Alcohol Level and Intoxication

NCT06105138
Conditions
Alcohol Use Disorder
Interventions
200mg Cannabidiol oral solution, 30mg Cannabidiol oral solution, Placebo
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
21 Years to 60 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Fort Collins, Colorado
Conditions
Schizophrenia, Cannabis Use Disorder
Interventions
Delta-9-THC Very Low Dose, Placebo, Delta-9-THC Medium Dose
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 60 Years
Enrollment
215 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
West Haven, Connecticut
Conditions
Major Depression Disorder, Depression
Interventions
DMT-Medium Dose, DMT-Low Dose, THC-Medium Dose, THC-Low Dose
Drug
Lead sponsor
Deepak C. D'Souza
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
West Haven, Connecticut
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
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Effects of CBD Products on Anxiety Among U.S. Women

NCT05108220
Conditions
Anxiety, Generalized Anxiety Disorder
Interventions
Cannabidiol (CBD)- containing consumer products
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
24 Years to 44 Years · Female only
Enrollment
1,350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed Early Phase 1 Interventional Accepts healthy volunteers

Cannabinoids and Cerebellar-Motor Functioning

NCT01853020
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
Agitation, Dementia
Interventions
T2:C100, Placebo
Drug
Lead sponsor
University of Southern California
Other
Eligibility
40 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
10
States / cities
Washington D.C., District of Columbia • Miami, Florida • Tampa, Florida + 6 more
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pharmacogenetics of Cannabinoid Response

NCT00678730
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
Recruiting Phase 1 Interventional Accepts healthy volunteers

Acute Effects of THC in Older Adult

NCT06948136
Conditions
Age-related Cognitive Decline
Interventions
Delta-9-THC Low Dose, Placebo, Delta-9-THC Medium Dose
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
West Haven, Connecticut
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
Completed Phase 1 Interventional Accepts healthy volunteers

Standardized Field Test for Marijuana Impairment II

NCT05115513
Conditions
Marijuana Impairment
Interventions
Medium THC, Placebo THC
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Hartford, Connecticut