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ClinicalTrials.gov public records Last synced Oct 26, 2026, 4:54 AM EDT

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Showing 1–24 of 207 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Tetrahydrocannabinol (THC) Clear all
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 26, 2026, 4:54 AM 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 26, 2026, 4:54 AM EDT
Completed Phase 2 Interventional

Study to Evaluate the Efficacy and Safety of Dronabinol Metered Dose Inhaler (MDI) in Acute Treatment of Migraine Headache

NCT00123201
View directory record Official record
Conditions
Migraine With Aura, Migraine Without Aura
Interventions
Dronabinol MDI
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
29
States / cities
Huntsville, Alabama • Tucson, Arizona • Anaheim, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2015 · Synced Oct 26, 2026, 4:54 AM 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 26, 2026, 4:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Neuroscience of Marijuana Impaired Driving

NCT02757313
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
18 Years to 40 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 23, 2024 · Synced Oct 26, 2026, 4:54 AM EDT
Terminated Phase 2 Interventional

Sex Differences in Neurobehavioral Response to THC

NCT07225777
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 45 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 26, 2026, 4:54 AM 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 26, 2026, 4:54 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

CBD Cannabis Extract: Pharmacokinetic Studies

NCT04280289
View directory record Official record
Conditions
Epilepsy
Interventions
cannabidiol extract
Drug
Lead sponsor
University of Mississippi, Oxford
Other
Eligibility
21 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
University, Mississippi
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Oct 26, 2026, 4:54 AM 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 20, 2026 · Synced Oct 26, 2026, 4:54 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Cannabis Use, Cognition, and the Endocannabinoid System in HIV

NCT04883255
View directory record Official record
Conditions
HIV-1-infection
Interventions
10 mg Δ9-tetrahydrocannabinol (THC), 600 mg cannabidiol (CBD), Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 26, 2026, 4:54 AM 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 26, 2026, 4:54 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

The Effects of Cannabis Use in People With Schizophrenia on Clinical, Neuropsychological and Physiological Phenotypes

NCT01832766
View directory record Official record
Conditions
Schizophrenia
Interventions
Dronabinol, Placebo Comparator
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 21, 2015 · Synced Oct 26, 2026, 4:54 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Dronabinol Opioid Sparing Evaluation (DOSE) Trial

NCT03766269
View directory record Official record
Conditions
Chronic Pain
Interventions
Dronabinol
Drug
Lead sponsor
Daisy Pharma Opioid Venture, LLC
Industry
Eligibility
18 Years and older
Enrollment
280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 6, 2018 · Synced Oct 26, 2026, 4:54 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Effects of Various Cannabis Strains on Perceptual, Subjective and Objective Use Outcomes

NCT07214155
View directory record Official record
Conditions
Cannabis Intoxication
Interventions
Cannabis, 0 mg THC (placebo)
Drug · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 55 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 26, 2026, 4:54 AM EDT
Recruiting Phase 2 Interventional

Endocannabinoids in Reward

NCT07815691
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 45 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 26, 2026, 4:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Double-Blind, Randomized, Placebo-Controlled Study of the Safety and Effects of Various Cannabinoids on Sleep Quality

NCT07769164
View directory record Official record
Conditions
Sleep Disturbance, Sleep Quality
Interventions
2 mg THC + 2 mg CBN + 2 mg CBG + 10 mg CBD + 1 mg Melatonin, 10 mg THC + 5 mg CBN + 5 mg CBG + 20 mg CBD, 10 mg THC + 20 mg CBN + 5 mg CBG, Stay Asleep Placebo, Fast Asleep Placebo
Dietary Supplement
Lead sponsor
Cannabis Science Innovations, LLC
Industry
Eligibility
21 Years to 55 Years
Enrollment
332 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sarasota, Florida
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 26, 2026, 4:54 AM EDT
Completed Phase 2 Interventional

Dronabinol Versus Placebo in Treatment and Prevention of Highly Active Anti-Retroviral Therapy (HAART)-Related Nausea and Vomiting

NCT00642499
View directory record Official record
Conditions
Highly Active Antiretroviral Therapy (HAART)-Related Nausea and Vomiting, HIV Infections
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
36
States / cities
Bakersfield, California • Fresno, California • Los Angeles, California + 27 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2008 · Synced Oct 26, 2026, 4:54 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

N-acetylcysteine Effects on Tetrahydrocannabinol

NCT02335060
View directory record Official record
Conditions
Healthy
Interventions
Delta-9-THC, N-acetylcysteine, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 31, 2022 · Synced Oct 26, 2026, 4:54 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Developing a Mobile Method to Measure THC-induced Impairment

NCT03804840
View directory record Official record
Conditions
Measuring THC-induced Cognitive Impairment Using a Mobile Application
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 26, 2026, 4:54 AM EDT
Terminated Phase 4 Interventional Results available

Dronabinol On the Pain Experience

NCT05820685
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Oct 26, 2026, 4:54 AM 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 23, 2024 · Synced Oct 26, 2026, 4:54 AM EDT
Completed Phase 3 Interventional Results available

Sativex® for Relieving Persistent Pain in Patients With Advanced Cancer

NCT01361607
View directory record Official record
Conditions
Pain, Advanced Cancer
Interventions
Nabiximols, Placebo (GA-0034)
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
399 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
20
States / cities
Glendale, California • Santa Rosa, California • Clearwater, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Oct 26, 2026, 4:54 AM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Behavioral Pharmacology of THC and Beta-Myrcene

NCT05432284
View directory record Official record
Conditions
Cannabis Use
Interventions
Placebo, THC, Beta-Myrcene
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 26, 2026, 4:54 AM EDT
Terminated Phase 3 Interventional Results available

Evaluation of the Effect of Nabiximols Oromucosal Spray on Clinical Measures of Spasticity in Participants With Multiple Sclerosis

NCT04984278
View directory record Official record
Conditions
Spasticity With Multiple Sclerosis
Interventions
Nabiximols, Placebo
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
6
States / cities
Denver, Colorado • Naples, Florida • Tampa, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced Oct 26, 2026, 4:54 AM EDT