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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Terminated Phase 1 Interventional

Tolerability of Cannabis in Patients Receiving Concurrent Chemoradiation for Glioblastoma

NCT03246113
View directory record Official record
Conditions
Glioblastoma
Interventions
Cannabis, Temozolomide, Radiation Therapy
Drug · Radiation
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Sep 3, 2026, 1:29 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 3, 2026, 1:29 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Analgesic and Subjective Effects of Terpenes

NCT04451863
View directory record Official record
Conditions
Pain, Abuse, Drug
Interventions
Low THC, High THC, Low Myrcene, High Myrcene, Low Beta-Caryophyllene, High Beta-Caryophyllene, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 3, 2026, 1:29 PM EDT
Completed Not applicable Interventional

Do Discounted Vouchers for Medical Cannabis Reduce Opioid Use in Adults With Pain

NCT04495725
View directory record Official record
Conditions
Opioid Use, Marijuana, Chronic Pain
Interventions
Discounted Vouchers for Medical Cannabis Soft-Gel Capsule Products
Other
Lead sponsor
Vireo Health
Other
Eligibility
18 Years to 99 Years
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Queens, New York
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Sep 3, 2026, 1:29 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Dronabinol (Oral THC) on Cannabis Use

NCT01394185
View directory record Official record
Conditions
Marijuana Smoking
Interventions
Dronabinol 120mg/day, Placebo, Dronabinol 240mg/day
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 2, 2017 · Synced Sep 3, 2026, 1:29 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 26, 2020 · Synced Sep 3, 2026, 1:29 PM EDT
Terminated Phase 3 Interventional Results available

Cannabidiol and Management of Endometriosis Pain

NCT04527003
View directory record Official record
Conditions
Endometriosis, CBD, Pelvic Pain
Interventions
Cannabidiol (CBD) Extract, Norethindrone Acetate, Placebo
Drug · Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Sep 3, 2026, 1:29 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Cannabis Effects as a Function of Sex

NCT04385082
View directory record Official record
Conditions
Pain, Abuse, Drug
Interventions
Active Cannabis, Placebo Cannabis
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 55 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 3, 2026, 1:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Pharmacokinetics and Pharmacodynamics of a Single Acute Dose of a Hemp-derived Oral Product With a 1:1 Ratio of CBD:CBD-A

NCT05049733
View directory record Official record
Conditions
Cannabis
Interventions
CBD 1mg/Kg, CBD 2mg/Kg, CBD 4mg/Kg, Placebo CBD
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 6, 2023 · Synced Sep 3, 2026, 1:29 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

The Impact of Product Formulation on the Pharmacokinetics and Pharmacodynamics of Cannabis Edibles

NCT05602649
View directory record Official record
Conditions
Cannabis Use
Interventions
Cannabis, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 55 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 3, 2026, 1:29 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 9, 2025 · Synced Sep 3, 2026, 1:29 PM EDT
Completed Phase 2Phase 3 Interventional

RePOSA-Revealing the Efficacy of IHL-42X Use in Patients With OSA

NCT06146101
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
IHL-42X Low Dose, IHL-42X High Dose, Placebo, IHL-42X (Optimal Dose), Dronabinol, Acetazolamide
Drug
Lead sponsor
Incannex Healthcare Ltd
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
20
States / cities
Chula Vista, California • Long Beach, California • Upland, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 3, 2026, 1:29 PM 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 22, 2024 · Synced Sep 3, 2026, 1:29 PM EDT
Completed Phase 2 Interventional Results available

A Study of Tolerability and Efficacy of Cannabidiol on Tremor in Parkinson's Disease

NCT02818777
View directory record Official record
Conditions
Parkinson's Disease
Interventions
cannabidiol
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
40 Years to 80 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 18, 2019 · Synced Sep 3, 2026, 1:29 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Vaporized Cannabis Administration and Co-Administration of Alcohol on Impairment

NCT06293040
View directory record Official record
Conditions
Cannabis Intoxication, Alcohol Intoxication
Interventions
Cannabis, Alcohol, Placebo Cannabis, Placebo Alcohol
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Sep 3, 2026, 1:29 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 3, 2026, 1:29 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 19, 2013 · Synced Sep 3, 2026, 1:29 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 3, 2026, 1:29 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Detection of Cannabis Impairment With ISBRG's SpotLight-THC

NCT05276232
View directory record Official record
Conditions
Cannabis
Interventions
Cannabis(THC) inhaled
Drug
Lead sponsor
ISBRG Corp
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 10, 2022 · Synced Sep 3, 2026, 1:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Behavioral Pharmacology of Cannabis and Nicotine

NCT04124432
View directory record Official record
Conditions
Cannabis, Nicotine
Interventions
Cannabis, Nicotine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Sep 3, 2026, 1:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

The Impact of Oral Cannabis Administration and Co-Administration of Alcohol on Impairment

NCT04931095
View directory record Official record
Conditions
Cannabis Intoxication, Alcohol Intoxication
Interventions
Cannabis, Alcohol
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 55 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 3, 2026, 1:29 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 9, 2023 · Synced Sep 3, 2026, 1:29 PM 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, 1:29 PM EDT
Recruiting Phase 2 Interventional

PAIN: A Project Assessing the Impact of a Novel Cannabinoid Product

NCT03984565
View directory record Official record
Conditions
Chronic Pain
Interventions
Cannabidiol, Placebo
Drug
Lead sponsor
Staci Gruber, Ph.D.
Other
Eligibility
21 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 3, 2026, 1:29 PM EDT