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ClinicalTrials.gov public records Last synced Oct 17, 2026, 6:59 PM EDT

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Showing 1–24 of 69 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Delta-9-THC Clear all
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 17, 2026, 6:59 PM EDT
Not yet recruiting Phase 3 Interventional

Dronabinol and Epidiolex to Manage Uncontrolled Residual Symptoms of Buprenorphine Initiation Trial

NCT07148206
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Dronabinol Capsules, Epidiolex 100 mg/mL Oral Solution, Placebo Dronabinol, Placebo Epidiolex
Drug · Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 17, 2026, 6:59 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Cognitive and Psychophysiological Effects of Delta-9-Tetrahydrocannabinol in Bipolar Disorder

NCT03206463
View directory record Official record
Conditions
Delta-9-Tetrahydroncannabinol, Bipolar Disorder, Healthy Controls
Interventions
4 mg Delta-9-THC, Placebo, 2 mg Delta-9-THC
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 31, 2022 · Synced Oct 17, 2026, 6:59 PM EDT
Completed Phase 2 Interventional

Efficacy of Inhaled Cannabis for Acute Migraine Treatment

NCT04360044
View directory record Official record
Conditions
Migraine, Cannabis, THC, CBD
Interventions
THC ~5%, CBD ~12%, THC ~5% and CBD ~12%, Sham Cannabis
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 65 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Oct 17, 2026, 6:59 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition

NCT02404688
View directory record Official record
Conditions
Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
Interventions
Active delta-9-THC, Placebo, Active Ethanol
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 17, 2026, 6:59 PM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Probing the Cannabinoid System in Individuals With a Family History of Psychosis

NCT02102113
View directory record Official record
Conditions
Psychosis, Cannabis Use, THC, Marijuana, Schizophrenia
Interventions
Placebo, Very Low Dose THC, Low Dose THC
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Oct 17, 2026, 6:59 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

High Confusion: Cannabis & Driving

NCT06236815
View directory record Official record
Conditions
Impairment, Cognitive, Impairment of Attention, Impairment, Psychomotor
Interventions
Delta-9-THC, Delta-8-THC, Placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 49 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 10, 2025 · Synced Oct 17, 2026, 6:59 PM EDT
Completed Phase 2 Interventional Results available

A Study of Sativex® for Pain Relief in Patients With Advanced Malignancy.

NCT00530764
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 20, 2013 · Synced Oct 17, 2026, 6:59 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 17, 2026, 6:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Pharmacokinetics and Pharmacodynamics of Oral and Vaporized Cannabidiol

NCT03164512
View directory record Official record
Conditions
Cannabidiol Pharmacokinetics
Interventions
Oral or vaporized cannabidiol, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 45 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Oct 17, 2026, 6:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Laboratory Model of Increasing Delta-9-tetrahydrocannabinol (THC) Potency on Cigarette Smoking

NCT02961309
View directory record Official record
Conditions
Tobacco Use
Interventions
THC
Drug
Lead sponsor
Battelle Memorial Institute
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Oct 17, 2026, 6:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Behavioral Pharmacology of THC and Alpha-pinene

NCT04130633
View directory record Official record
Conditions
THC, Alpha-pinene
Interventions
Placebo, THC, Alpha-Pinene
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Oct 17, 2026, 6:59 PM EDT
Completed Phase 2 Interventional Results available

Effect of Cannabinoid Agonist on Gastrointestinal and Colonic Motor Functions in Patients With Irritable Bowel Syndrome (IBS)

NCT01253408
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 7, 2013 · Synced Oct 17, 2026, 6:59 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Endourage Complete Spectrum Oral Mucosal Drops (OMD) in Adults Desiring a Reduction in Ethanol Use

NCT04659278
View directory record Official record
Conditions
Alcohol Drinking, Alcohol Use, Unspecified, Alcohol Abstinence, Alcohol-Related Disorders
Interventions
Endourage 1200 mg OMD ™ Oral Mucosal Drops, Isolate, Placebo, Peppermint Oil, masking flavor
Dietary Supplement · Other
Lead sponsor
Endourage, LLC
Industry
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Novato, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Oct 17, 2026, 6:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Testing the Interactive Effects of Delta-9-Tetrahydrocannabinol and Pregnenolone

NCT02576912
View directory record Official record
Conditions
Healthy
Interventions
Active Delta-9-THC, Active Pregnenolone, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 7, 2023 · Synced Oct 17, 2026, 6:59 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

PK/PD of Oral and Vaporized Delta-9-Tetrahydrocannabinol (THC) in Older Adults

NCT05906511
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 17, 2026, 6:59 PM EDT
Terminated Phase 3 Interventional Results available

Safety and Effectiveness of Nabiximols Oromucosal Spray as Add-on Therapy in Participants With Spasticity Due to Multiple Sclerosis

NCT04203498
View directory record Official record
Conditions
Multiple Sclerosis (MS)
Interventions
Nabiximols, Placebo
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
15
States / cities
Birmingham, Alabama • Port Charlotte, Florida • Tampa, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 17, 2026, 6:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Motivation and Skills for Delta-9-tetrahydrocannabinol/Ethanol (THC/ETOH+) Teens in Jail

NCT00506753
View directory record Official record
Conditions
Alcohol Drinking, Marijuana Smoking
Interventions
MI/CBT, RT/SU
Behavioral
Lead sponsor
University of Rhode Island
Other
Eligibility
14 Years to 19 Years
Enrollment
205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2011
U.S. locations
1
States / cities
Cranston, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced Oct 17, 2026, 6:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Clinical Study to Evaluate the Effects of Oral Delta-9-tetrahydrocannabinol (Δ9-THC) With and Without Alcohol on Perception and Driving Performance in Healthy Adults

NCT07176208
View directory record Official record
Conditions
Cannabis, Drug Effects, Driving Performance
Interventions
5 mg Dronabinol (Marinol®) + Placebo Beverage, 10 mg Dronabinol (Marinol®) + Placebo Beverage, 5 mg Dronabinol (Marinol®) + Alcohol Beverage, 10 mg Dronabinol (Marinol®) + Alcohol Beverage, Placebo Capsule + Alcohol Beverage, Placebo Capsule + Placebo Beverage
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
21 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 17, 2026, 6:59 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 I

NCT02811510
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Oct 17, 2026, 6:59 PM EDT
Withdrawn Phase 2 Interventional

Dronabinol As an Adjunct for Reducing Pain (DARP)-Texas Children's Hospital

NCT06834997
View directory record Official record
Conditions
Endometriosis, Endometriosis Related Pain, Endometriosis, Pain
Interventions
Dronabinol Capsules, Placebo
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 64 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Hosuton, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 17, 2026, 6:59 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Effects of Drugs on Stress Memories

NCT06471647
View directory record Official record
Conditions
Delta-9-tetrahydrocannabinol (THC), Stress
Interventions
delta-9-tetrahydrocannabinol (THC) (5), Placebo, delta-9-tetrahydrocannabinol (THC) (10)
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 17, 2026, 6:59 PM EDT
Completed Phase 4 Interventional Results available

Effects of Delta-9 Tetrahydrocannabinol (THC) on Retention of Memory for Fear Extinction Learning in PTSD: R61 Study

NCT03008005
View directory record Official record
Conditions
PostTraumatic Stress Disorder
Interventions
Placebo Oral Capsule, Dronabinol Cap 5 milligrams (MG), Dronabinol Cap 10 milligrams (MG)
Drug
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 50 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 22, 2025 · Synced Oct 17, 2026, 6:59 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 15, 2026 · Synced Oct 17, 2026, 6:59 PM EDT