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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Marinol Clear all
Recruiting Phase 1 Interventional Accepts healthy volunteers

Age-dependent Effects of Smoked and Oral Delta-9-THC

NCT05865470
View directory record Official record
Conditions
Pain, Abuse, Drug, Intoxication; Cannabinoids
Interventions
Cannabis, Dronabinol, Smoked Placebo, Oral Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 17, 2026, 6:30 PM EDT
Completed Phase 4 Interventional Results available

Dronabinol in Total Knee Arthroplasty (TKA)

NCT04734080
View directory record Official record
Conditions
Total Knee Arthroplasty, Opioid Use
Interventions
Dronabinol 5mg Cap, Placebo oral tablet
Drug · Other
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 70 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 17, 2026, 6:30 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pharmacogenetics of Cannabinoid Response

NCT00678730
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 17, 2026, 6:30 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Examine the Feasibility of a Standardized Field Test for Marijuana and Alcohol Impairment: Laboratory Evaluations

NCT04856566
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 30, 2025 · Synced Sep 17, 2026, 6:30 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 6, 2025 · Synced Sep 17, 2026, 6:30 PM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Multimodal Magnetoencephalography and Electroencephalography Exploration of the Acute Effects of THC Exposure on Neural Noise and Information Transmission Within Working Memory Networks

NCT05641766
View directory record Official record
Conditions
THC
Interventions
THC, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
21 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 9, 2025 · Synced Sep 17, 2026, 6:30 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Tetrahydrocannabinol (THC) and Sleep

NCT03560934
View directory record Official record
Conditions
Sleep, THC, Marijuana, Cannabis
Interventions
Dronabinol
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
21 Years to 34 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 17, 2026, 6:30 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effects of ∆-9-THC and Naloxone in Humans

NCT01591629
View directory record Official record
Conditions
Healthy
Interventions
Naloxone, Delta-9-THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 17, 2026, 6:30 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Examine the Feasibility of a Standardized Field Test for Marijuana Impairment: Laboratory Evaluations

NCT03191084
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 22, 2024 · Synced Sep 17, 2026, 6:30 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Behavioral Economic Analysis of Demand for Marijuana

NCT03518567
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 11, 2024 · Synced Sep 17, 2026, 6:30 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 16, 2026 · Synced Sep 17, 2026, 6:30 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Effects of THC on Alcohol Consumption and Neural Correlates of Reward

NCT06446479
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Dronabinol Pill, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 40 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 18, 2024 · Synced Sep 17, 2026, 6:30 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 19, 2026 · Synced Sep 17, 2026, 6:30 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Delta-8-THC vs. Delta-9-THC on Simulated Driving Performance

NCT06218550
View directory record Official record
Conditions
Cannabis
Interventions
Delta-9-THC, Delta-8-THC, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 17, 2026, 6:30 PM EDT
Recruiting No phase listed Observational

Study of an Oral Fluid Testing Approach

NCT06891235
View directory record Official record
Conditions
Cannabis Use, Cannabis Intoxication, Cannabis Use Disorder
Interventions
Biologic testing for THC
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 30 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 17, 2026, 6:30 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Cannabinoids and Cerebellar-Motor Functioning

NCT01853020
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 17, 2026, 6:30 PM EDT
Completed Early Phase 1 Interventional Results available

Dronabinol Interactions With Cognitive Enhancing Drug in Humans

NCT00842985
View directory record Official record
Conditions
Cannabis, Marijuana Abuse
Interventions
drug condition
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 17, 2026, 6:30 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

The Effects of Cannabis on Male Reproductive Functions

NCT06755346
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 17, 2026, 6:30 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 13, 2013 · Synced Sep 17, 2026, 6:30 PM EDT
Withdrawn Phase 2 Interventional

Evaluation of Dronabinol For Acute Pain Following Traumatic Injury

NCT03928015
View directory record Official record
Conditions
Traumatic Injury, Pain, Acute
Interventions
Adjunctive dronabinol, Systemic analgesics
Drug
Lead sponsor
CommonSpirit Health
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Lakewood, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Sep 17, 2026, 6:30 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 2, 2008 · Synced Sep 17, 2026, 6:30 PM EDT
Completed Phase 2Phase 3 Interventional

Study to Evaluate the Efficacy of Dronabinol (Marinol) as Add-On Therapy for Patients on Opioids for Chronic Pain

NCT00153192
View directory record Official record
Conditions
Chronic Pain
Interventions
Marinol (dronabinol)
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 25, 2013 · Synced Sep 17, 2026, 6:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cannabis Edibles Packaging Imagery Experiment

NCT06358144
View directory record Official record
Conditions
Cannabis Use
Interventions
Packaging imagery, No Imagery (Control)
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 65 Years
Enrollment
1,260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 7, 2025 · Synced Sep 17, 2026, 6:30 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Comparison of the Analgesic Effects of Dronabinol and Smoked Marijuana in Daily Marijuana Smokers

NCT00743119
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 10, 2017 · Synced Sep 17, 2026, 6:30 PM EDT