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ClinicalTrials.gov public records Last synced Sep 30, 2026, 6:29 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–23 of 23 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: 0 mg THC (placebo) Clear all
Withdrawn Not applicable Interventional Accepts healthy volunteers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 Sep 30, 2026, 6:29 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 11, 2017 · Synced Sep 30, 2026, 6:29 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Pharmacodynamics of Cannabinoid-Caffeine Combinations

NCT05478863
View directory record Official record
Conditions
Behavioral Pharmacology of Cannabinoids
Interventions
Oral Placebo, Oral THC, Oral CBD, Oral Caffeine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Sep 30, 2026, 6:29 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Pregnenolone as a Treatment for Cannabis Intoxication

NCT07216690
View directory record Official record
Conditions
Cannabis Intoxication
Interventions
Cannabis, Pregnenolone 250 mg, Pregnenolone 500 mg, Placebo, Placebo brownie
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Sep 30, 2026, 6:29 PM EDT
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 7, 2026 · Synced Sep 30, 2026, 6:29 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

High Potency Cannabis: Acute and Protracted Effects

NCT06859723
View directory record Official record
Conditions
Abuse Cannabis, Pain, Pharmacokinetics
Interventions
Placebo Comparator: Placebo, Low dose THC, High dose THC
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Sep 30, 2026, 6:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Validation of the Drug Impaired Driving Scenario (DIDS) on the CRCDS-miniSim

NCT04970342
View directory record Official record
Conditions
Driving Behavior, Driving Under the Influence
Interventions
Placebo (Lactose) Capsule, 0.75 mg Alprazolam Capsule, Cannabis (6.18% THC / <0.025% CBD), Cannabis (0%/ THC / 0% CBD)
Drug
Lead sponsor
Timothy L. Brown
Other
Eligibility
19 Years to 45 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 25, 2023 · Synced Sep 30, 2026, 6:29 PM EDT
Recruiting Phase 2 Interventional

Cannabidiol and Alcohol Use Disorder Phenotypes

NCT07279558
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Full-Spectrum Cannabidiol (CBD), Broad-Spectrum Cannabidiol (CBD), Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Sep 30, 2026, 6:29 PM EDT
Completed Not applicable Interventional Results available

Pain Inflammation and Cannabis in HIV

NCT05554146
View directory record Official record
Conditions
HIV Infections, Neuropathic Pain, Cannabis
Interventions
Receipt of Coupon for Placebo Soft-Gel Capsule, Receipt of Coupon for High THC Soft-Gel Capsule, Receipt of Coupon for Equal THC and CBD Soft-Gel Capsule, Receipt of Coupon for High CBD Soft-Gel Capsule
Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Sep 30, 2026, 6:29 PM EDT
Recruiting Phase 2 Interventional

Combined THC and CBD for OUD and Chronic Pain

NCT06544291
View directory record Official record
Conditions
Chronic Pain, Opioid Use Disorder
Interventions
CBD 300mg, CBD 600mg, Placebo 0mg
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 30, 2026, 6:29 PM 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 12, 2021 · Synced Sep 30, 2026, 6:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Inhaled Cannabis on Driving Performance

NCT01620177
View directory record Official record
Conditions
Alcohol Drinking, Cannabis
Interventions
Alcohol(oral) and placebo, Cannabis(THC)(Inhaled) and Placebo
Drug
Lead sponsor
Gary R Gaffney
Other
Eligibility
21 Years to 55 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 2, 2018 · Synced Sep 30, 2026, 6:29 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Effect of Cannabis on Cigarette Use Behavior

NCT06609083
View directory record Official record
Conditions
Cannabis Use, Tobacco Use, Cigarette Smoking
Interventions
THC 30mg, THC 5mg, THC 0mg, Cigarette Full Nicotine, Cigarette Reduced 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 Jan 16, 2026 · Synced Sep 30, 2026, 6:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Cannabis on Prescription Drug Abuse Liability and Analgesia

NCT03679949
View directory record Official record
Conditions
Pain, Abuse, Drug
Interventions
Oxycodone, Cannabis (THC:CBD = ~ 1:0), Cannabis (THC:CBD = ~ 0:1), Cannabis (THC:CBD = ~ 1:1), Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 53 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Sep 30, 2026, 6:29 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 9, 2026 · Synced Sep 30, 2026, 6:29 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

THC and CBD: A Controlled Human Study Probing a Harm Reduction Strategy

NCT06859710
View directory record Official record
Conditions
Abuse, Drug, Pain
Interventions
Placebo, THC, CBD 20 mg, CBD 40 mg, CBD 80 mg
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Sep 30, 2026, 6:29 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Understanding the Clinical Pharmacology of Marijuana-Tobacco Co-administration

NCT05999383
View directory record Official record
Conditions
THC, Cannabis, Cannabis Use, Cannabis Smoking, Tobacco Use, Vaping
Interventions
Cannabis, Nicotine, Pax Loose Leaf Vaporizer, Placebo Marijuana
Drug · Device · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Sep 30, 2026, 6:29 PM 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 Sep 30, 2026, 6:29 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 3, 2017 · Synced Sep 30, 2026, 6:29 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Combination of Dronabinol and Clonidine for Cannabis Dependence in Patients With Schizophrenia

NCT01598896
View directory record Official record
Conditions
Cannabis Dependence, Marijuana Dependence
Interventions
Dronabinol, Clonidine, Placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 29, 2018 · Synced Sep 30, 2026, 6:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Medications Development for the Treatment of Cannabis Related Disorders

NCT01204723
View directory record Official record
Conditions
Nicotine Withdrawal, Marijuana Dependence, Cannabis Dependence, Nicotine Dependence, Cannabis Abuse
Interventions
Placebo Aprepitant, Active Aprepitant
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 45 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 1, 2012 · Synced Sep 30, 2026, 6:29 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 20, 2026 · Synced Sep 30, 2026, 6:29 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 Sep 8, 2026 · Synced Sep 30, 2026, 6:29 PM EDT