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ClinicalTrials.gov public records Last synced Oct 26, 2026, 5:10 AM EDT

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Showing 1–24 of 336 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cannabis Use Clear all
Completed Phase 4 Interventional

Reducing Cannabis Overuse With Prazosin

NCT04721353
View directory record Official record
Conditions
Cannabis Dependence, Posttraumatic Stress Disorder, Cannabis Use Disorder
Interventions
Prazosin Hydrochloride
Drug
Lead sponsor
VA Puget Sound Health Care System
Federal
Eligibility
18 Years to 80 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 15, 2025 · Synced Oct 26, 2026, 5:10 AM EDT
Suspended No phase listed Observational Accepts healthy volunteers

Patients' Attitudes Toward and Experiences With Buprenorphine Treatment

NCT05121428
View directory record Official record
Conditions
Opioid-use Disorder, Acceptability of Health Care, Opioid-Related Disorders
Interventions
Not listed
Lead sponsor
Cambridge Health Alliance
Other
Eligibility
18 Years and older
Enrollment
817 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 11, 2025 · Synced Oct 26, 2026, 5:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Cannabis Species Labeling and Marketing on Perceptual, Subjective and Objective Use Outcomes (Aim 2 Study)

NCT07513337
View directory record Official record
Conditions
Cannabis Use
Interventions
Strain label, Claim
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
21 Years and older
Enrollment
3,035 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 26, 2026, 5:10 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Enhancing Medication-based Analgesia in Humans

NCT02901275
View directory record Official record
Conditions
Pain, Cannabis, Opioid Use, Unspecified
Interventions
Within-subject test of blinded study medications
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Oct 26, 2026, 5:10 AM EDT
Completed Phase 2 Interventional

Reducing Pain and Opioid Use With CBD

NCT05299944
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Cannabidiol, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 12, 2025 · Synced Oct 26, 2026, 5:10 AM EDT
Terminated Phase 2 Interventional

Sex Differences in Neurobehavioral Response to THC

NCT07225777
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 45 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 26, 2026, 5:10 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 26, 2026, 5:10 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Cannabis Use, Cognition, and the Endocannabinoid System in HIV

NCT04883255
View directory record Official record
Conditions
HIV-1-infection
Interventions
10 mg Δ9-tetrahydrocannabinol (THC), 600 mg cannabidiol (CBD), Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 26, 2026, 5:10 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Cannabis Use on Sedation for Oral Surgery Procedures

NCT05873465
View directory record Official record
Conditions
Cannabis Use
Interventions
Sedation with Midazolam, Fentanyl, and Propofol, Extraction of teeth
Drug · Procedure
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Oct 26, 2026, 5:10 AM EDT
Completed Not applicable Interventional

Gender/Sex & CUD Remission

NCT04964739
View directory record Official record
Conditions
Cannabis Use Disorder, Mild, Cannabis Use Disorder, Moderate, Cannabis Use Disorder, Severe
Interventions
Cognitive Behavioral Therapy (CBT4CBT)
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 26, 2026, 5:10 AM EDT
Recruiting Phase 2 Interventional

Longitudinal Outpatient Treatment for Cannabis Use Disorder

NCT06107062
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Cannabidiol - fsCBD, Placebo, Cannabidiol - bsCBD
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
21 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 26, 2026, 5:10 AM EDT
Completed No phase listed Observational

Anxiety Symptoms in Relation to Use of Hemp-derived, Full Spectrum Cannabidiol (CBD)

NCT05023759
View directory record Official record
Conditions
Generalized Anxiety Disorder
Interventions
Formula30A Full Spectrum Hemp Cannabidiol 25mg Capsules
Dietary Supplement
Lead sponsor
Formula30A LLC
Industry
Eligibility
21 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
5
States / cities
Denton, Texas • Edinburg, Texas • Forney, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2021 · Synced Oct 26, 2026, 5:10 AM 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 26, 2026, 5:10 AM EDT
Withdrawn Phase 2 Interventional

Varenicline for the Treatment of Cannabis and Tobacco Use Disorders in Veterans

NCT05294263
View directory record Official record
Conditions
Tobacco Use Disorder, Cannabis Use Disorder
Interventions
Varenicline, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Oct 26, 2026, 5:10 AM EDT
Not yet recruiting Not applicable Interventional

Applying Neuromodulation to Boost the Efficacy of Motivational Interviewing

NCT07787572
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
transcranial alternating current stimulation, sham transcranial alternating current stimulation, Motivational interviewing (MI)
Device · Behavioral
Lead sponsor
The Mind Research Network
Other
Eligibility
21 Years to 65 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 26, 2026, 5:10 AM EDT
Not listed No phase listed Observational

The Use of Medicinal Cannabinoids as Adjunctive Treatment for Medically Refractory Epilepsy

NCT02523183
View directory record Official record
Conditions
Epilepsy, Unspecified, Refractory (Medically)
Interventions
Medical Cannabis
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Month to 20 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 26, 2026, 5:10 AM EDT
Recruiting Not applicable Interventional

Targeting Insomnia to Improve Outcomes in Adults With Problematic Cannabis Use

NCT05814822
View directory record Official record
Conditions
Insomnia
Interventions
Cognitive Behavioral Therapy for insomnia (CBTi-CB-TM), Sleep Hygiene Education (SHE-TM)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 26, 2026, 5:10 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 26, 2026, 5:10 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effectiveness of Brief Intervention in Primary Care for Diverse Young People (Chat)

NCT06699251
View directory record Official record
Conditions
Adolescent Drinking, Cannabis Use
Interventions
Chat, Enhanced Usual Care
Behavioral
Lead sponsor
RAND
Other
Eligibility
12 Years to 19 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
3
States / cities
Commerce, California • North Hollywood, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 26, 2026, 5:10 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

The Effects of Cannabis Use in People With Schizophrenia on Clinical, Neuropsychological and Physiological Phenotypes

NCT01832766
View directory record Official record
Conditions
Schizophrenia
Interventions
Dronabinol, Placebo Comparator
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 21, 2015 · Synced Oct 26, 2026, 5:10 AM EDT
Completed Not applicable Interventional Results available

Brief Intervention Combined With Health Coaching Via Social Media for Cannabis Use

NCT04316741
View directory record Official record
Conditions
Cannabis Use
Interventions
Snapcoach
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 25 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 30, 2022 · Synced Oct 26, 2026, 5:10 AM EDT
Completed Not applicable Interventional

Social Media Intervention - Physical Activity

NCT04901910
View directory record Official record
Conditions
Cannabis Use
Interventions
Physical Activity (PA) Social Media Group, Verdi plus PA Social Media Group
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 25 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Oct 26, 2026, 5:10 AM 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 Oct 26, 2026, 5:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluating Responses to Drug-Related Cues Versus Neutral Cues to Understand the Effects of Marijuana Craving - 1

NCT00218478
View directory record Official record
Conditions
Marijuana Abuse
Interventions
Cue Desensitization
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
21 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 5, 2012 · Synced Oct 26, 2026, 5:10 AM EDT