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ClinicalTrials.gov public records Last synced Oct 4, 2026, 11:26 AM EDT

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Showing 49–72 of 112 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Oral cannabis 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 4, 2026, 11:26 AM EDT
Completed Not applicable Interventional Results available

Impact of Reduced Cannabis Use on Functional Outcomes

NCT03681353
View directory record Official record
Conditions
Cannabis, Cannabis Use
Interventions
Mobile Contingency Management, active
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 5, 2021 · Synced Oct 4, 2026, 11:26 AM EDT
Recruiting Phase 4 Interventional

Prophylactic Oral Antibiotics on Sinonasal Outcomes Following Endoscopic Transsphenoidal Surgery for Pituitary Lesions

NCT03014687
View directory record Official record
Conditions
Antibiotics, Pituitary Adenoma
Interventions
Placebo, Oral Antibiotics cefdinir or trimethoprim/sulfamethoxazole
Drug
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
18 Years to 84 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Oct 4, 2026, 11:26 AM EDT
Terminated Phase 4 Interventional Results available

Nutrition and Pharmacological Algorithm for Oncology Patients Study

NCT04155008
View directory record Official record
Conditions
Oncologic Complications, Quality of Life, Nutrition Poor, Head and Neck Cancer, Lung Cancer, Pancreatic Cancer
Interventions
Dexamethasone, Dronabinol, Mirtazapine, Nutrition Intervention
Drug · Behavioral
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced Oct 4, 2026, 11:26 AM EDT
Recruiting Phase 2 Interventional

Investigating a Marijuana-based Compound as a Treatment for Anxiety in Autistic Adults

NCT06526208
View directory record Official record
Conditions
Autism Spectrum Disorder, Anxiety
Interventions
MB-IMP, Placebo
Drug · Other
Lead sponsor
Southwest Autism Research & Resource Center
Other
Eligibility
18 Years to 45 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 4, 2026, 11:26 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

The Impact of Product Formulation on the Pharmacokinetics and Pharmacodynamics of Cannabis Edibles

NCT05602649
View directory record Official record
Conditions
Cannabis Use
Interventions
Cannabis, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 55 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 4, 2026, 11:26 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 4, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Delta-8-THC vs. Delta-9-THC on Simulated Driving Performance

NCT06218550
View directory record Official record
Conditions
Cannabis
Interventions
Delta-9-THC, Delta-8-THC, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 4, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Ph1 Marinol Interaction Study - Part 2 - 1

NCT00490269
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Placebo, Dronabinol
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 4, 2026, 11:26 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

N-acetylcysteine Effects on Tetrahydrocannabinol

NCT02335060
View directory record Official record
Conditions
Healthy
Interventions
Delta-9-THC, N-acetylcysteine, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 31, 2022 · Synced Oct 4, 2026, 11:26 AM 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 Oct 4, 2026, 11:26 AM EDT
Completed Phase 2 Interventional

Effect of PP-01 on Cannabis Withdrawal Syndrome

NCT05494437
View directory record Official record
Conditions
Cannabis Withdrawal
Interventions
PP-01 High Dose, PP-01 Low Dose, Placebo, Nabilone, Gabapentin
Combination Product · Drug
Lead sponsor
PleoPharma, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
18
States / cities
Glendale, California • Lemon Grove, California • Orange, California + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 16, 2024 · Synced Oct 4, 2026, 11:26 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Trial of Cannabis for Essential Tremor

NCT03805750
View directory record Official record
Conditions
Essential Tremor
Interventions
CBD/THC, Placebo oral capsule
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Oct 13, 2022 · Synced Oct 4, 2026, 11:26 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Developing a Mobile Method to Measure THC-induced Impairment

NCT03804840
View directory record Official record
Conditions
Measuring THC-induced Cognitive Impairment Using a Mobile Application
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 4, 2026, 11:26 AM 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 Oct 4, 2026, 11:26 AM EDT
Not yet recruiting Early Phase 1 Interventional

The Effects of Cannabis on Post Operative Recovery After Radical Cystectomy

NCT07577999
View directory record Official record
Conditions
Non-metastatic Bladder Cancer
Interventions
Cannabigerol
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 4, 2026, 11:26 AM EDT
Active, not recruiting No phase listed Observational

Strength and Muscle Related Outcomes for Nutrition and Lung Function in CF

NCT05639556
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
BMI and lean mass index from DXA, Anthropometric Measurements, Hand-grip strength, Six-minute walk Test, Sit-to-Stand Test, Short physical performance battery (SPPB), BIA Sub-study, Accelerometry to assess physical activity, Gastrointestinal (GI) and nutrition questionnaires:, Psychosocial questionnaire: PHQ-8, Psychosocial questionnaire: GAD-7, Psychosocial questionnaire: The Treatment Self-Regulation Questionnaire (TSRQ), Psychosocial questionnaire: CF Fatalism Scale, Psychosocial questionnaire: Body Esteem Scale for Adolescents and Adults (BESAA), 12-month Questionnaire, Oral glucose tolerance testing (OGTT), Continuous glucose monitoring (CGM), Chest CT scans (When available within the past 6 months in medical records), Hologic Dual X-Ray Absorptiometry (DXA), Ultrasound Sub-study of assessment of appendage muscles using ultrasound, Psychosocial questionnaire: Hunger Vital Sign questionnaire, Respiratory symptom questionnaire: CRISS, Spirometry, Psychosocial questionnaire: Additional Health Questionnaire, CF Management Questionnaire, Food Frequency Questionnaire
Diagnostic Test · Other · Device
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
23
States / cities
Tucson, Arizona • Little Rock, Arkansas • Atlanta, Georgia + 19 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 4, 2026, 11:26 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 4, 2026, 11:26 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Age-Related Effects of THC

NCT04294966
View directory record Official record
Conditions
Tolerance, Adolescent Behavior, THC
Interventions
Dextrose, Dronabinol
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 9, 2023 · Synced Oct 4, 2026, 11:26 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition: Sub-Study II

NCT02710097
View directory record Official record
Conditions
Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
Interventions
Active inhaled cannabis, Placebo, Active Oral Ethanol
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 4, 2026, 11:26 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 4, 2026, 11:26 AM EDT
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 4, 2026, 11:26 AM 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 4, 2026, 11:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Cannabis, Schizophrenia and Reward: Self-Medication and Agonist Treatment?

NCT01964404
View directory record Official record
Conditions
Schizophrenia, Dual Diagnosis, Psychotic Disorder, Cannabis Use Disorder
Interventions
Marijuana, Dronabinol, Placebo
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
263 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
2
States / cities
Lebanon, New Hampshire • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 4, 2026, 11:26 AM EDT