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ClinicalTrials.gov public records Last synced Oct 5, 2026, 7:55 PM EDT

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Showing 25–48 of 608 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Cannabis (Marijuana) Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Testing the Interactive Effects of Delta-9-Tetrahydrocannabinol and Pregnenolone: Sub-Study I

NCT02811939
View directory record Official record
Conditions
Healthy
Interventions
Active Dronabinol, Active Pregnenolone, Placebo Dronabinol, Placebo Pregnenolone
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 5, 2026, 7:55 PM EDT
Terminated Phase 2 Interventional Results available

Cannabinoids for Taxane Induced Peripheral Neuropathy

NCT03782402
View directory record Official record
Conditions
Chemotherapy-induced Peripheral Neuropathy
Interventions
Cannabinoids
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 60 Years · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 26, 2023 · Synced Oct 5, 2026, 7:55 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 5, 2026, 7:55 PM EDT
Completed Phase 3 Interventional

Divalproex Sodium (Depakote) for Explosive Tempers in Adolescents and Adults

NCT00218114
View directory record Official record
Conditions
Attention Deficit and Disruptive Behavior Disorders, Marijuana Abuse
Interventions
Divalproex Sodium, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
12 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 10, 2017 · Synced Oct 5, 2026, 7:55 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Health Outcomes by Neighborhood - Baltimore

NCT01571752
View directory record Official record
Conditions
Stigma, Activity Space, Social Networks, HIV Status, Drug Abuse/Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 100 Years
Enrollment
1,651 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 5, 2026, 7:55 PM EDT
Completed No phase listed Observational

Effects of Using E-Cigarettes on Lungs in People With HIV (HBS Ancillary)

NCT04794543
View directory record Official record
Conditions
Hiv, Lung Injury
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Baton Rouge, Louisiana • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced Oct 5, 2026, 7:55 PM EDT
Completed Phase 2 Interventional Results available

A Trial of N-Acetylcysteine (an Over-the-Counter Medicine) in Adolescents Who Smoke Marijuana

NCT01005810
View directory record Official record
Conditions
Cannabis Dependence
Interventions
N-Acetylcysteine, placebo, Contingency Management
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
13 Years to 21 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 21, 2018 · Synced Oct 5, 2026, 7:55 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cultural Adaptation of Drug Treatment for DJJ Youth

NCT06003725
View directory record Official record
Conditions
Substance Use
Interventions
Culturally Adapted Adolescent Substance Use Treatment
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
13 Years to 17 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
2
States / cities
San Francisco, California • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 5, 2026, 7:55 PM EDT
Recruiting Phase 1 Interventional

Impact of Daily Oral Cannabis Doses in Patients With Cancer

NCT06601218
View directory record Official record
Conditions
Cancer, Cancers, Pain
Interventions
Oral cannabis low THC, Placebo Comparator, Oral cannabis high THC, Oral cannabis THC/CBD
Drug
Lead sponsor
Shanna Babalonis, PhD
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 5, 2026, 7:55 PM EDT
Recruiting Phase 2Phase 3 Interventional

Alcohol Use Disorder and Cannabidiol

NCT05613608
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Cannabidiol, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 5, 2026, 7:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Research Evaluating Sleep & Trends for Universal Prevention

NCT04783519
View directory record Official record
Conditions
Insomnia, Alcohol Use, Unspecified, Marijuana Use
Interventions
Brief Behavioral Therapy for Insomnia (BBTI), Brief Alcohol Screening and Intervention for College Students (BASICS)
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 24 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 7, 2024 · Synced Oct 5, 2026, 7:55 PM EDT
Completed Phase 1Phase 2 Interventional

Dental and Medical Office iMET to Reduce Teen Tobacco, Alcohol, and Drug Use

NCT00907309
View directory record Official record
Conditions
Use; Tobacco, Harmful, Alcohol Abuse, Drug Abuse
Interventions
iMET, iMET/TE
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 21 Years
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2016 · Synced Oct 5, 2026, 7:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Marijuana Approach Bias Retraining and Neural Response in Youth

NCT02723149
View directory record Official record
Conditions
Alcohol Approach/Avoidance Task, Sham Approach/Avoidance Task
Interventions
Marijuana Approach Avoidance Training
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
16 Years to 21 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2018 · Synced Oct 5, 2026, 7:55 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 5, 2026, 7:55 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Modeling the Effects of Chronic Marijuana Use on Neuroinflammation and HIV-related Neuronal Injury

NCT04810858
View directory record Official record
Conditions
Cannabis, HIV, Inflammation, Cognition, Neuroimaging
Interventions
Multimodal, multi-parametric MRI, Immune and cytokine profiling, Neuropsychological testing
Other · Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
25 Years to 59 Years
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 5, 2026, 7:55 PM EDT
Completed Phase 1Phase 2 Interventional

Short-Term Effects of Medicinal Cannabis Therapy on Spasticity in Multiple Sclerosis

NCT00248378
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Smoked Cannabis
Drug
Lead sponsor
Center for Medicinal Cannabis Research
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 23, 2006 · Synced Oct 5, 2026, 7:55 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Sativex(Registered Trademark) and Oral THC on Attention, Affect, Working Memory, Reversal Learning, Physiology and Brain Activation

NCT01037608
View directory record Official record
Conditions
Cannabis, Dependence, Cannabis Abuse, Pharmacokinetics, fMRI
Interventions
Sativex(Registered Trademark), THC
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 45 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 5, 2026, 7:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changes in Cognition and Psychiatric Disorder Symptoms During Cannabis Abstinence Using a Novel Discordant Twin Design

NCT05160688
View directory record Official record
Conditions
Cannabis
Interventions
Contingency management
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
31 Years to 47 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 5, 2026, 7:55 PM EDT
Terminated Early Phase 1 Interventional Results available

Lorcaserin for Cannabis Use Disorder

NCT03637842
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Lorcaserin, Placebo oral capsule
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2021 · Synced Oct 5, 2026, 7:55 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cannabis, HIV and Mental Processing Systems

NCT05430490
View directory record Official record
Conditions
HIV Infections, Cannabis
Interventions
MRI, NeuroPsychological Testing, Blood Draw, Questionnaires, Lumbar Puncture
Procedure · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
276 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
St Louis, Missouri • Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 5, 2026, 7:55 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Determining the Effect of Six Weeks of Cannabis Abstinence on Fronto- Striatal fMRI Markers in Adolescents With Cannabis Use Disorder (ABSCAN)

NCT06124846
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
CB-Abst, CB-Mon
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
15 Years to 18 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 5, 2026, 7:55 PM EDT
Completed No phase listed Observational

Medical Cannabis Registry and Pharmacology

NCT03699527
View directory record Official record
Conditions
Autism, ASD
Interventions
Multiple questionnaires administered
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Up to 21 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Oct 5, 2026, 7:55 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immunologic Effects of HCV Therapy With HARVONI in HCV Genotype 1 Chronically Mono-infected Active and Former IDUs

NCT02347345
View directory record Official record
Conditions
Hepatitis C
Interventions
Harvoni (Fixed dose combination ledipasvir/sofosbuvir)
Drug
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 55 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 13, 2019 · Synced Oct 5, 2026, 7:55 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Oral Dronabinol-HIV

NCT06034314
View directory record Official record
Conditions
HIV
Interventions
Dronabinol Capsules
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 5, 2026, 7:55 PM EDT