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ClinicalTrials.gov public records Last synced Oct 21, 2026, 7:34 AM EDT

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Showing 121–144 of 610 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Marijuana Clear all
Completed No phase listed Observational

Cannabis and Parkinson's Disease Tremor: A Natural History Study

NCT02028858
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
Bastyr University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Kenmore, Washington
Source: ClinicalTrials.gov public record
Updated Jun 27, 2016 · Synced Oct 21, 2026, 7:34 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 12, 2023 · Synced Oct 21, 2026, 7:34 AM 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 21, 2026, 7:34 AM 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 21, 2026, 7:34 AM EDT
Not yet recruiting Not applicable Interventional

Applying Mixed Methods to Identify Links Between PTSD Symptoms, Cannabis Use, and Functional Behaviors With Personalized Feedback Intervention Development

NCT07721285
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic, Marijuana Abuse
Interventions
Personalized Feedback Session (PFS)
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 21, 2026, 7:34 AM EDT
Completed Not applicable Interventional Results available

Effects of Botanical Microglia Modulators in Gulf War Illness

NCT02909686
View directory record Official record
Conditions
Gulf War Illness
Interventions
Boswellia Serrata, Curcumin, Epimedium, Fisetin, Luteolin, Nettle, Pycnogenol, Reishi Mushroom, Resveratrol, Placebo
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
39 Years to 65 Years · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 24, 2025 · Synced Oct 21, 2026, 7:34 AM EDT
Completed Not applicable Interventional Results available

Stress and Marijuana Cue-elicited Craving and Reactivity

NCT00613405
View directory record Official record
Conditions
Cannabis Use Disorders
Interventions
Stress + cue exposure, No stress + cue exposure
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 30, 2013 · Synced Oct 21, 2026, 7:34 AM EDT
Terminated Phase 1Phase 2 Interventional

Cannabis for Spasticity in Multiple Sclerosis

NCT00260741
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Smoked Cannabis
Drug
Lead sponsor
Center for Medicinal Cannabis Research
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 4, 2007 · Synced Oct 21, 2026, 7:34 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Vaporized Cannabis for Chronic Pain Associated With Sickle Cell Disease

NCT01771731
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Cannabis
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2020 · Synced Oct 21, 2026, 7:34 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Medical Marijuana and Open Road Driving Task

NCT06995937
View directory record Official record
Conditions
Medical Cannabis
Interventions
Not listed
Lead sponsor
Florida State University
Other
Eligibility
50 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
2
States / cities
Gainesville, Florida • Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 21, 2026, 7:34 AM EDT
Active, not recruiting Not applicable Interventional

Evaluation of a Brief Computerized and Smart Phone-based Intervention for Stress in Regular Cannabis Users

NCT06085222
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Emotional Engagement Distress Tolerance Intervention, Health Education Intervention
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 30 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 21, 2026, 7:34 AM 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 Oct 21, 2026, 7:34 AM EDT
Enrolling by invitation Not applicable Interventional

Developing a Telehealth + mHealth Cannabis Use Intervention for Young Adults

NCT06661031
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Motivational Enhancement Therapy plus Ecological Momentary Intervention, Enhanced Usual Care
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 26 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 21, 2026, 7:34 AM EDT
Completed Not applicable Interventional Results available

Effect of Oxytocin on Stress in Marijuana Users

NCT01335789
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Oxytocin, Saline
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced Oct 21, 2026, 7:34 AM EDT
Recruiting Not applicable Interventional

The Neural Underpinnings of Depression and Cannabis Use in Young People Living With HIV

NCT05453513
View directory record Official record
Conditions
Depression, Cannabis Use Disorder, HIV
Interventions
MRI Study
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 59 Years
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 21, 2026, 7:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetic and Pharmacodynamic Effects of Passive Cannabis Inhalation

NCT01798186
View directory record Official record
Conditions
Cannabis Toxicology
Interventions
Cannabis
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 45 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 3, 2017 · Synced Oct 21, 2026, 7:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Galantamine Effects on Cognitive Function in Marijuana Users

NCT00969696
View directory record Official record
Conditions
Memory
Interventions
Placebo, Galantamine
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 25, 2012 · Synced Oct 21, 2026, 7:34 AM EDT
Withdrawn Phase 2Phase 3 Interventional Accepts healthy volunteers

Integration of (iSBIRT) for Teen Drug Use Into a Pediatric Network

NCT01454206
View directory record Official record
Conditions
Substance Use
Interventions
iSBIRT
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 18 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2016 · Synced Oct 21, 2026, 7:34 AM EDT
Completed No phase listed Observational Results available

Anxiety, Inflammation, Stress, and Cannabinoids

NCT03491384
View directory record Official record
Conditions
Anxiety, Anxiety Disorders, Anxiety Generalized, Anxiety Chronic, Inflammation, Inflammatory Response
Interventions
Cannabis (smoked flower, ingested edible)
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
21 Years to 70 Years
Enrollment
361 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Oct 21, 2026, 7:34 AM EDT
Completed Not applicable Interventional Results available

Computer-delivered Screening & Brief Intervention for Marijuana Use in Pregnancy

NCT02191605
View directory record Official record
Conditions
Marijuana Use, Pregnancy
Interventions
eSBIRT, Tailored texting
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 3, 2018 · Synced Oct 21, 2026, 7:34 AM EDT
Terminated No phase listed Observational

Pharmacokinetic (PK) and Pharmacodynamics (PD) Study of Ilera Specific Products

NCT03886753
View directory record Official record
Conditions
ALS, Autism Spectrum Disorder, Cancer, Spasticity, Muscle, Dyskinetic Syndrome, Epilepsy, Glaucoma, Huntington Disease, Inflammatory Bowel Disease (IBD), Multiple Sclerosis, Neuropathy, Opioid Use, Parkinson Disease, HIV/AIDS, Ptsd, Intractable Pain, Sickle Cell Disease, Terminal Illness
Interventions
Registry, PK microsampling of blood
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
2 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Oct 21, 2026, 7:34 AM 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 21, 2026, 7:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Swallowable Cannabigerol Tablets for Sleep Quality In Veterans (Veterans Exploring Cannabigerol for Sleep)

NCT05088018
View directory record Official record
Conditions
Sleep
Interventions
Cannabigerol, Placebo
Other
Lead sponsor
Chris Emerson
Industry
Eligibility
21 Years and older
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Walnut, California
Source: ClinicalTrials.gov public record
Updated Jun 7, 2022 · Synced Oct 21, 2026, 7:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Development and Efficacy Test of Computerized Treatment for Marijuana Dependence

NCT00594659
View directory record Official record
Conditions
Marijuana Abuse and Dependence
Interventions
Psychotherapy, Computerized Psychotherapy, Motivational enhancement therapy
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Dec 4, 2013 · Synced Oct 21, 2026, 7:34 AM EDT