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ClinicalTrials.gov public records Last synced Oct 22, 2026, 10:41 PM EDT

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Showing 337–360 of 611 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Marijuana Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Assessment of the Single Dose Pharmacokinetics and Tolerability of Sativex in Patients With Impaired Hepatic Function and Healthy Patients

NCT01887301
View directory record Official record
Conditions
Hepatic Impairment
Interventions
Sativex
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Anaheim, California • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced Oct 22, 2026, 10:41 PM EDT
Suspended Phase 2Phase 3 Interventional Accepts healthy volunteers

CBD Oil for Reducing Emotional Impact of COVID-19

NCT04603781
View directory record Official record
Conditions
Anxiety Depression, Alcohol Abuse, Substance Abuse, Anger, Sleep Disturbance, Stress Reaction
Interventions
CBD Isolate, Full Spectrum CBD Oil, Broad-Spectrum CBD Oil, Placebo Oil
Dietary Supplement
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 70 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 22, 2023 · Synced Oct 22, 2026, 10:41 PM EDT
Completed Phase 2 Interventional Results available

A Preliminary Investigation of Pre-Frontal Repetitive Transcranial Magnetic Stimulation (rTMS) for the Treatment of Cannabis Use Disorder

NCT03144232
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Active rTMS, Sham rTMS
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 60 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 9, 2023 · Synced Oct 22, 2026, 10:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Patient Doctor Lies

NCT04803448
View directory record Official record
Conditions
Patient Lying, Privacy Statements, Risk Statements, Benefit Statements, Patient Lie Detection
Interventions
Benefit statement, Risk Statement, Privacy Statement, Benefit + Privacy, Risk + Privacy
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 80 Years
Enrollment
619 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Provo, Utah
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Oct 22, 2026, 10:41 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 Oct 22, 2026, 10:41 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating the Impact of Psychotherapeutic Advertising Claims on Cannabis Purchasing

NCT07216911
View directory record Official record
Conditions
Anxiety, Depression, Cannabis Use
Interventions
CC, PAC, WL
Behavioral
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
21 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 22, 2026, 10:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Distinguishing Alcohol Intoxication, Cannabis Intoxication and Co-intoxication Using Electroencephalography (EEG)

NCT06259916
View directory record Official record
Conditions
Cannabis Use, Alcohol Use, Unspecified
Interventions
Alcohol, Cannabis
Other
Lead sponsor
Colorado State University
Other
Eligibility
21 Years to 50 Years
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 22, 2026, 10:41 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Dronabinol Treatment for Marijuana Addiction

NCT00217971
View directory record Official record
Conditions
Marijuana Abuse
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Oct 22, 2026, 10:41 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 22, 2026, 10:41 PM EDT
Completed No phase listed Observational

Medical Cannabis During Chemoradiation for Head and Neck Cancer

NCT03431363
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
Not listed
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Oct 22, 2026, 10:41 PM EDT
Recruiting Phase 3 Interventional

Efficacy and Safety of VER-01 in the Treatment of Participants With Chronic Painful Lumbosacral Radiculopathy

NCT06956014
View directory record Official record
Conditions
Lumbosacral Radiculopathy
Interventions
VER-01, Placebo
Drug · Other
Lead sponsor
Vertanical GmbH
Industry
Eligibility
18 Years and older
Enrollment
810 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
23
States / cities
Mobile, Alabama • Tempe, Arizona • Long Beach, California + 19 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 22, 2026, 10:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Using Novel Behavioral Economic Measures to Characterize Dual Marijuana and Tobacco Use in Young Adults

NCT07398443
View directory record Official record
Conditions
Behavioral Economics, Cannabis Smoking, Tobacco Smoking
Interventions
Cue Reactivity
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 25 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 22, 2026, 10:41 PM EDT
Completed Phase 4 Interventional

Improving Substance Use and Clinical Outcomes in Heavy Cannabis Users With Quetiapine

NCT01153490
View directory record Official record
Conditions
Cannabis Dependence
Interventions
Behavioral Intervention
Behavioral
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 65 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Glen Oaks, New York • Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Apr 17, 2018 · Synced Oct 22, 2026, 10:41 PM EDT
Not yet recruiting Phase 2Phase 3 Interventional

Synthetic THC And Blood Pressure

NCT07231965
View directory record Official record
Conditions
Blood Pressure
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years to 40 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 22, 2026, 10:41 PM EDT
Completed No phase listed Observational

Investigating Stress-related Mechanisms in the Laboratory and Real World in Individuals With Cannabis Use Disorder

NCT04116619
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Guided Imagery Laboratory Session
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 22, 2026, 10:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Project CheckUP: A Brief Behavioral Intervention for Quitline Callers Who Use Marijuana (MJ) and Tobacco

NCT04737772
View directory record Official record
Conditions
Smoking Cessation, Marijuana Use
Interventions
Behavioral: Quitline treatment as usual, QL Marijuana Check-Up intervention (QL-MJCU)
Behavioral
Lead sponsor
Consumer Wellness Solutions
Industry
Eligibility
21 Years and older
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Oct 22, 2026, 10:41 PM EDT
Completed No phase listed Observational

Marijuana Drug Discrimination and Self-Administration

NCT00943930
View directory record Official record
Conditions
Marijuana Abuse
Interventions
THC (delta-9 tetrahydrocannabinol), d-amphetamine, oral THC
Drug
Lead sponsor
Wayne State University
Other
Eligibility
21 Years to 45 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 28, 2016 · Synced Oct 22, 2026, 10:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Hybrid Effectiveness-Implementation Trial of a School-Based Teen Marijuana Checkup

NCT03111667
View directory record Official record
Conditions
Cannabis Use
Interventions
Teen Marijuana Check Up, Treatment as Usual, Gold Standard Coaching, As Needed Coaching
Behavioral · Other
Lead sponsor
University of Washington
Other
Eligibility
14 Years and older
Enrollment
264 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Oct 22, 2026, 10:41 PM EDT
Completed No phase listed Observational

Effects of Marijuana Used on Lung Function in Persons With Chronic Obstructive Pulmonary Disease (COPD)

NCT01096303
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
25 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Oct 22, 2026, 10:41 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Nabilone for Cannabis Dependence: A Pilot Study

NCT01347762
View directory record Official record
Conditions
Cannabis Dependence, Marijuana Dependence
Interventions
Nabilone, Placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 1, 2018 · Synced Oct 22, 2026, 10:41 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Development of a Lifestyle Physical Activity Intervention to Reduce Risk for Perinatal Cannabis Use - RCT

NCT06239701
View directory record Official record
Conditions
Pregnancy
Interventions
LPA+Fitbit Intervention, Fitbit Only
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 22, 2026, 10:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Neural and Psychiatric Consequences of Cannabis Use in Adolescents

NCT06941298
View directory record Official record
Conditions
Cannabis Use, Depression
Interventions
Neuroimaging Investigation
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
14 Years to 20 Years
Enrollment
280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
2
States / cities
Miami, Florida • Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 22, 2026, 10:41 PM EDT
Withdrawn No phase listed Observational

Maternal Marijuana Use and Fetal and Infant Outcome

NCT04266314
View directory record Official record
Conditions
Cannabis Use Disorder, Pregnancy Related
Interventions
Maternal-fetal monitoring, NICU Network Neurobehavioral Scale
Device · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 44 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 17, 2021 · Synced Oct 22, 2026, 10:41 PM EDT