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Showing 1–24 of 203 matching trials from the live ClinicalTrials.gov search.
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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 10, 2024 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Phase 3 Interventional Results available

Long Term Safety of Sativex Oromucosal Spray (Sativex®; Nabiximols) as Adjunctive Therapy in Patients With Uncontrolled Persistent Chronic Cancer Related Pain

NCT01337089
View directory record Official record
Conditions
Pain, Advanced Cancer
Interventions
Nabiximols
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
37
States / cities
Phoenix, Arizona • El Cajon, California • Gilroy, California + 31 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2023 · Synced Sep 3, 2026, 2:31 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 18, 2024 · Synced Sep 3, 2026, 2:31 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Effects of Cannabidiol and Tetrahydrocannabinol on Microbiome and Neuroinflammation in HIV

NCT05514899
View directory record Official record
Conditions
HIV, Cannabis, THC, Neuroinflammatory Disease, Neuroinflammatory Response, Microbiome
Interventions
THC, CBD
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 70 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 3, 2026, 2:31 AM 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 19, 2013 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Phase 4 Interventional Results available

The Effects of Cannabinoid on Patients With Non-GERD Related Non Cardiac Chest Pain

NCT01598207
View directory record Official record
Conditions
Chest Pain
Interventions
Marinol, Placebo
Drug
Lead sponsor
Yehudith Assouline-Dayan
Other
Eligibility
18 Years to 75 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Apr 27, 2017 · Synced Sep 3, 2026, 2:31 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Genetic Basis of the Risk and Consequences of Cannabis Exposure in Humans

NCT06058702
View directory record Official record
Conditions
Schizophrenia, Cannabis Use Disorder
Interventions
Delta-9-THC Very Low Dose, Placebo, Delta-9-THC Medium Dose
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 60 Years
Enrollment
215 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 3, 2026, 2:31 AM EDT
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 12, 2019 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bioavailability Study of Dronabinol Capsules 10 mg Under Fasting Conditions

NCT01380457
View directory record Official record
Conditions
To Determine Bioequivalence Under Fasting Conditions
Interventions
Dronabinol, Marinol
Drug
Lead sponsor
Par Pharmaceutical, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 26, 2011 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Prevention of Postoperative Nausea and Vomiting (PONV) in Surgical Patients

NCT00757822
View directory record Official record
Conditions
Postoperative Nausea and Vomiting
Interventions
Dronabinol, Ondansetron
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated May 12, 2016 · Synced Sep 3, 2026, 2:31 AM 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 28, 2026 · Synced Sep 3, 2026, 2:31 AM 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 18, 2025 · Synced Sep 3, 2026, 2:31 AM EDT
Suspended Phase 2 Interventional

Dose-Ranging Trial of Inhaled Cannabis for Acute Migraine Treatment

NCT05427630
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Sep 3, 2026, 2:31 AM 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 Aug 5, 2024 · Synced Sep 3, 2026, 2:31 AM 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 30, 2022 · Synced Sep 3, 2026, 2:31 AM 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 3, 2026, 2:31 AM 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 22, 2026 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Individual Differences in Drug Response

NCT03809546
View directory record Official record
Conditions
Differential Female Response to Δ9-tetrahydrocannabinol (THC)
Interventions
Dronabinol, dextrose
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Comparative Pharmacokinetic and Pharmacodynamic Effects of Delta-8 and Delta-9 THC

NCT05287256
View directory record Official record
Conditions
Behavioral Pharmacology of Cannabis
Interventions
Oral Delta-8-THC Cannabis, Oral Delta-9-THC Cannabis, Oral Placebo, Vaporized Delta-8-THC Cannabis, Vaporized Delta-9-THC Cannabis, Vaporized Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 45 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cannabis Impairment Detection Application (CIDA)

NCT04230460
View directory record Official record
Conditions
Driving Under the Influence, Marijuana Intoxication, Alcohol Intoxication
Interventions
Cannabis (THC) (Inhaled) Placebo, Cannabis (High% THC) (Inhaled), Cannabis (Very High% THC) (Inhaled), Alcohol (oral)
Drug
Lead sponsor
Advanced Brain Monitoring, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 11, 2021 · Synced Sep 3, 2026, 2:31 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans

NCT02781519
View directory record Official record
Conditions
Cannabis
Interventions
THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 9, 2025 · Synced Sep 3, 2026, 2:31 AM 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 3, 2026, 2:31 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Effect of Cannabis on E-Cigarette Use Behavior

NCT06609109
View directory record Official record
Conditions
Cannabis Use, Tobacco Use, Electronic Cigarette Use
Interventions
THC High Dose, THC Low Dose, THC 0mg, E-Cigarette Full Nicotine, E-Cigarette Placebo Nicotine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Reward and Drug Effects on Mood and Brain Response

NCT04512365
View directory record Official record
Conditions
Cannabis Use, Healthy
Interventions
Placebo oral capsule, THC
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 25 Years
Enrollment
141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Sep 3, 2026, 2:31 AM EDT