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ClinicalTrials.gov public records Last synced Oct 28, 2026, 11:14 PM EDT

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Showing 169–192 of 207 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Tetrahydrocannabinol (THC) Clear all
Withdrawn Phase 2 Interventional

The Safety, Tolerability and Efficacy of Dronabinol, for the Treatment of Nausea and Vomiting in Familial Dysautonomia

NCT02608931
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 13, 2019 · Synced Oct 28, 2026, 11:14 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Age-Related Effects of THC

NCT04294966
View directory record Official record
Conditions
Tolerance, Adolescent Behavior, THC
Interventions
Dextrose, Dronabinol
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 9, 2023 · Synced Oct 28, 2026, 11:14 PM EDT
Completed Phase 3 Interventional

Dronabinol Versus Standard Ondansetron Antiemetic Therapy in Preventing Delayed-Onset Chemotherapy-Induced Nausea and Vomiting

NCT00642512
View directory record Official record
Conditions
Chemotherapy Induced Nausea and Vomiting
Interventions
dronabinol, ondansetron, dronabinol/ondansetron, placebo
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
43
States / cities
Tucson, Arizona • Anaheim, California • Fountain Valley, California + 37 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2008 · Synced Oct 28, 2026, 11:14 PM EDT
Recruiting Phase 2 Interventional

Mechanisms of Cannabidiol in Persons With MS: the Role of Sleep and Pain Phenotype

NCT05269628
View directory record Official record
Conditions
Multiple Sclerosis, Sleep, Pain
Interventions
Cannabidiol (CBD), Tetrahydrocannabinol (THC), Placebo CBD, Placebo THC
Drug
Lead sponsor
Tiffany J. Braley, MD, MS
Other
Eligibility
18 Years to 65 Years
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 28, 2026, 11:14 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans: Sub-Study II

NCT04704271
View directory record Official record
Conditions
Cannabis
Interventions
Inhaled THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 28, 2026, 11:14 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of THC on Emotional Memory Retrieval

NCT03471585
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 30, 2019 · Synced Oct 28, 2026, 11:14 PM EDT
Active, not recruiting Phase 2 Interventional

Cannabis Effects on Antiretroviral Therapy Pharmacokinetics and Neurotoxicity

NCT04800159
View directory record Official record
Conditions
HIV, Cannabis Use
Interventions
THC Cannabis, CBD Cannabis, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Oct 28, 2026, 11:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assessment of the Single Dose Pharmacokinetics and Tolerability of Sativex in Patients With Impaired Hepatic Function and Healthy Patients

NCT01887301
View directory record Official record
Conditions
Hepatic Impairment
Interventions
Sativex
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Anaheim, California • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced Oct 28, 2026, 11:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Pharmacokinetics and Pharmacodynamics of Hemp-based Topical Cannabinoid Products

NCT04741477
View directory record Official record
Conditions
Cannabis, Drug Effect
Interventions
CBD, THC, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 10, 2023 · Synced Oct 28, 2026, 11:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Effects of Cannabidiol (CBD) Compared to Delta-9-Tetrahydrocannabinol (THC) and Alprazolam

NCT03398083
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
THC, Alprazolam, Placebo oral capsule, CBD
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 14, 2018 · Synced Oct 28, 2026, 11:14 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

AnalgeSiC and appEtite-stimulating Effects of caNnabigerol and THC (ASCENT)

NCT04859296
View directory record Official record
Conditions
Pain, Appetite Loss, Abuse, Drug
Interventions
Placebo, Low CBG, High CBG, Low THC, High THC
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2026 · Synced Oct 28, 2026, 11:14 PM EDT
Recruiting Phase 3 Interventional

Safety and Efficacy of Oral Cannabis in Chronic Spine Pain

NCT05052541
View directory record Official record
Conditions
Back Pain, Neck Pain
Interventions
THC/CBD, THC, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 84 Years
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Oct 28, 2026, 11:14 PM EDT
Terminated Phase 1 Interventional

Dronabinol for Pain and Inflammation in Adults Living With Sickle Cell Disease

NCT03978156
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Dronabinol 2.5 MG, Microcrystalline cellulose
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Oct 28, 2026, 11:14 PM EDT
Completed Phase 2 Interventional Results available

Trial of Dronabinol Adjunctive Treatment of Agitation in Alzheimer's Disease

NCT02792257
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 9, 2025 · Synced Oct 28, 2026, 11:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Using Imaging to Assess Effects of THC on Brain Activity

NCT03655717
View directory record Official record
Conditions
Intoxication Alcohol, Intoxication THC, Intoxication Combined Alcohol THC
Interventions
Dronabinol, Ethanol, Placebo dronabinol, Placebo ethanol
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
316 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 28, 2022 · Synced Oct 28, 2026, 11:14 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Cannabis' Impact on Alcohol Consumption

NCT05389930
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 28, 2026, 11:14 PM EDT
Completed Phase 2 Interventional Results available

Effect of a Cannabinoid Agonist on Colonic Sensory Functions in Patients With Irritable Bowel Syndrome

NCT01786109
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
Michael Camilleri
Other
Eligibility
18 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 14, 2013 · Synced Oct 28, 2026, 11:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Enhancing Medication-based Analgesia in Humans

NCT02901275
View directory record Official record
Conditions
Pain, Cannabis, Opioid Use, Unspecified
Interventions
Within-subject test of blinded study medications
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Oct 28, 2026, 11:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Cannabinoid vs Opioid for Photorefractive Keratectomy Pain Control

NCT05477875
View directory record Official record
Conditions
Photorefractive Keratectomy, Myopia, Hyperopia
Interventions
oral cannabinoid, oral codeine/acetaminophen
Drug · Combination Product
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Oct 28, 2026, 11:14 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Cannabis Consumption and Driving Impairment Assessment on a Closed Course

NCT06059677
View directory record Official record
Conditions
Cannabis Smoking, Driving Impaired
Interventions
Active smoked cannabis, Placebo smoked cannabis
Drug
Lead sponsor
Bayliss J. Camp, PhD
Government
Eligibility
21 Years to 55 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2023 · Synced Oct 28, 2026, 11:14 PM EDT
Recruiting Phase 2 Interventional

Pilot fMRI Studies of Aging-Related Effects of THC

NCT06647524
View directory record Official record
Conditions
THC
Interventions
THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Oct 28, 2026, 11:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Behavioral Pharmacology of THC and D-limonene

NCT03609853
View directory record Official record
Conditions
D-limonene and THC Pharmacodynamics
Interventions
Placebo, Vaporized THC, limonene, or THC and limonene
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Oct 28, 2026, 11:14 PM EDT
Not listed Phase 4 Interventional

Dronabinol for Post-operative Pain After Lumbar Fusion

NCT04346407
View directory record Official record
Conditions
Post-operative Pain
Interventions
Dronabinol 2.5mg Cap, Placebo
Drug
Lead sponsor
Jeffrey L Gum MD
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 12, 2021 · Synced Oct 28, 2026, 11:14 PM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers Results available

Understanding Effects of Cannabis Use and Abstinence on Neural Glutamate Homeostasis

NCT05664763
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
[18F]FPEB with PET, Cannabis abstinence
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Oct 28, 2026, 11:14 PM EDT