Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Nov 11, 2026, 2:32 PM EST

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Showing 217–240 of 434 matching trials from the live ClinicalTrials.gov search.
Conditions
Healthy
Interventions
Active Dronabinol, Active Pregnenolone, Placebo Dronabinol, Placebo Pregnenolone
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
West Haven, Connecticut
Completed Phase 4 Interventional Results available

Cannabinoids for Pain Control During Medical Abortion

NCT03604341
Conditions
Medical Abortion, Pain
Interventions
Dronabinol 5mg Cap, Placebo
Drug · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
21 Years to 89 Years · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Rett Syndrome, RTT
Interventions
GWP42003-P, Placebo
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
2 Years to 18 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
14
States / cities
Birmingham, Alabama • San Diego, California • Aurora, Colorado + 11 more
Recruiting Phase 1Phase 2 Interventional

Cannabidiol in Sickle Cell Disease

NCT06930703
Conditions
Sickle Cell Disease
Interventions
Cannabidiol, Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Manhattan, New York
Conditions
Autism Spectrum Disorder
Interventions
Oral cannabidiol 100mg/mL, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
5 Years to 17 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Migraine, Cannabis, THC
Interventions
THC ~2.5%, THC ~5%, THC ~10%, Sham Cannabis
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
La Jolla, California
Conditions
Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
Interventions
Active Dronabinol, Placebo, Active 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
Terminated Phase 4 Interventional Results available

Dronabinol On the Pain Experience

NCT05820685
Conditions
Trauma Injury
Interventions
Standard of Care (acetaminophen +naproxen +gabapentin + as needed oxycodone or Tramadol), Dronabinol
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
16 Years to 80 Years
Enrollment
484 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Houston, Texas
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of THC on Emotional Memory Retrieval

NCT03471585
Conditions
Healthy
Interventions
THC, Placebo oral capsule
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Chicago, Illinois
Completed No phase listed Observational Results available

Pain Research: Innovative Strategies With Marijuana

NCT03522324
Conditions
Chronic Pain, Chronic Low Back Pain, Cannabis Use
Interventions
Cannabis Edible
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
21 Years to 70 Years
Enrollment
268 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Boulder, Colorado
Conditions
TMJ Disorder, Myofacial Pain, TMD
Interventions
CBD Oil, Hemp Oil
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 70 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Conditions
Nausea, Vomiting, Familial Dysautonomia
Interventions
Dronabinol, Placebo
Drug · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Conditions
Healthy, Safety Issues
Interventions
Cannabinol, Placebo
Dietary Supplement · Other
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 55 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Columbia, South Carolina
Recruiting Phase 2 Interventional Accepts healthy volunteers

Cannabis' Impact on Alcohol Consumption

NCT05389930
Conditions
Alcohol Drinking, Cannabis Use, Cannabis, Alcohol Use Disorder
Interventions
THC-dominant cannabis, CBD-dominant cannabis, Cannabis placebo, Alcohol, Alcohol placebo
Drug
Lead sponsor
Brown University
Other
Eligibility
21 Years to 50 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Sickle Cell Disease
Interventions
Cannabis
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
San Francisco, California
Conditions
Pain, Tolerance, Oral vs Vaporized THC, Abuse Liability
Interventions
Dronabinol 5 MG, Dronabinol 10 MG, 2mg Purified THC in an ethanolic solution, 4mg Purified THC in an ethanolic solution, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
65 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Conditions
Alzheimer's Disease
Interventions
Dronabinol (Marinol®), Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
60 Years to 95 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
5
States / cities
Miami, Florida • Baltimore, Maryland • Belmont, Massachusetts + 2 more
Withdrawn Phase 1 Interventional Accepts healthy volunteers

The Effects of Cannabis on Male Reproductive Functions

NCT06755346
Conditions
Male Reproductive Problem
Interventions
Cannabis plant (THC 20mg), Cannabis (0%/ THC / 0% CBD), Cannabis plant (THC 40mg)
Drug
Lead sponsor
Kanako Hayashi
Other
Eligibility
21 Years to 64 Years · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Pullman, Washington
Conditions
Anxiety and Fear
Interventions
Interoceptive Aversive Memory Reactivation, Cannabidiol (CBD)-Rich Broad Spectrum Hemp Extract Oil, Placebo Oil
Behavioral · Dietary Supplement
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 65 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Austin, Texas
Completed Phase 2Phase 3 Interventional Results available

Combined Pharmacotherapy for Cannabis Dependency

NCT01020019
Conditions
Cannabis Dependence, Marijuana Dependence
Interventions
Dronabinol, Placebo, Lofexidine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
New York, New York
Conditions
Diabetic Peripheral Neuropathic Pain (DPN), Diabetic Neuropathies
Interventions
Cannabidiol (CBD) oral solution, Full-Spectrum CBD hemp extract oral solution, Placebo in MCT oil oral solution
Drug
Lead sponsor
Florida A&M University
Other
Eligibility
40 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Tallahassee, Florida
Conditions
Cannabis Use
Interventions
Placebo + Placebo, Oral Cannabis + Placebo, Placebo + Inhaled Cannabis, Placebo + Smoked Cannabis, 6.9% cannabis oral
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Cannabis
Interventions
Placebo, Dronabinol
Drug
Lead sponsor
Yale University
Other
Eligibility
18 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
Sleep
Interventions
Sleep Study Product Usage
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years
Enrollment
1,750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Del Mar, California