Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 9, 2026, 8:32 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Low THC Clear all
Completed Phase 2 Interventional Results available

Pilot Study of the Safety and Efficacy of Four Different Potencies of Smoked Marijuana in 76 Veterans With PTSD

NCT02759185
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
High THC cannabis, High CBD cannabis, THC/CBD cannabis, Placebo cannabis
Drug
Lead sponsor
Multidisciplinary Association for Psychedelic Studies
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 11, 2023 · Synced Sep 9, 2026, 8:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Behavioral Pharmacology of THC and D-limonene

NCT03609853
View directory record Official record
Conditions
D-limonene and THC Pharmacodynamics
Interventions
Placebo, Vaporized THC, limonene, or THC and limonene
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 10, 2023 · Synced Sep 9, 2026, 8:32 AM EDT
Recruiting Not applicable Interventional

Testing Warning Labels for Retail Cannabis Products Using a Discrete Choice Experiment

NCT07701304
View directory record Official record
Conditions
Cannabis Use, Risk Perception, Decision Making
Interventions
Discrete choice experiment (DCE) survey-experiment
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
21 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 9, 2026, 8:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effects of Smoked Marijuana on Risk Taking and Decision Making Tasks

NCT00373399
View directory record Official record
Conditions
Marijuana Use Disorder
Interventions
Inactive Marijuana (0% THC), Low THC marijuana (1.8 %THC), High THC marijuana (3.9% THC)
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 9, 2026, 8:32 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pharmacogenetics of Cannabinoid Response

NCT00678730
View directory record Official record
Conditions
COMT Gene Polymorphism
Interventions
delta 9 tetrahydrocannabinol
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 9, 2026, 8:32 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Study of the Safety, Tolerability, Electrophysiological Effects and Efficacy of DMT in Humans

NCT06671977
View directory record Official record
Conditions
Major Depression Disorder, Depression
Interventions
DMT-Medium Dose, DMT-Low Dose, THC-Medium Dose, THC-Low Dose
Drug
Lead sponsor
Deepak C. D'Souza
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 9, 2026, 8:32 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Low-dose Naltrexone in Combination With a Range of Smoked Marijuana

NCT00743145
View directory record Official record
Conditions
Marijuana Smoking
Interventions
Inactive Marijuana (0% THC), Active Marijuana (5.5% THC), Active Marijuana (6.2% THC), Naltrexone, Placebo naltrexone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 13, 2018 · Synced Sep 9, 2026, 8:32 AM EDT
Suspended Phase 2 Interventional Accepts healthy volunteers

Repeated Administration of Cannabis Varying in THC and CBD

NCT05563948
View directory record Official record
Conditions
Cannabis
Interventions
Cannabis
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2034
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 9, 2026, 8:32 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 1, 2018 · Synced Sep 9, 2026, 8:32 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Genetic Basis of the Risk and Consequences of Cannabis Exposure in Humans

NCT06058702
View directory record Official record
Conditions
Schizophrenia, Cannabis Use Disorder
Interventions
Delta-9-THC Very Low Dose, Placebo, Delta-9-THC Medium Dose
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 60 Years
Enrollment
215 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 9, 2026, 8:32 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition

NCT02404688
View directory record Official record
Conditions
Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
Interventions
Active delta-9-THC, Placebo, Active Ethanol
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 9, 2026, 8:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Behavioral Pharmacology of Cannabis and Nicotine

NCT04124432
View directory record Official record
Conditions
Cannabis, Nicotine
Interventions
Cannabis, Nicotine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Sep 9, 2026, 8:32 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Cannabinoids, Neural Synchrony, and Information Processing

NCT00708994
View directory record Official record
Conditions
Cannabis, Psychotic Disorders
Interventions
THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 9, 2026, 8:32 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Age-dependent Effects of Smoked and Oral Delta-9-THC

NCT05865470
View directory record Official record
Conditions
Pain, Abuse, Drug, Intoxication; Cannabinoids
Interventions
Cannabis, Dronabinol, Smoked Placebo, Oral Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 9, 2026, 8:32 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

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

NCT02709954
View directory record Official record
Conditions
Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
Interventions
Active inhaled delta-9-THC, 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 28, 2026 · Synced Sep 9, 2026, 8:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cannabis Impairment Detection Application (CIDA)

NCT04230460
View directory record Official record
Conditions
Driving Under the Influence, Marijuana Intoxication, Alcohol Intoxication
Interventions
Cannabis (THC) (Inhaled) Placebo, Cannabis (High% THC) (Inhaled), Cannabis (Very High% THC) (Inhaled), Alcohol (oral)
Drug
Lead sponsor
Advanced Brain Monitoring, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 11, 2021 · Synced Sep 9, 2026, 8:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Cannabinoid Receptor Function & Alcoholism

NCT00624715
View directory record Official record
Conditions
Alcoholism
Interventions
THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 10, 2022 · Synced Sep 9, 2026, 8:32 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Vaporized Cannabis Administration and Co-Administration of Alcohol on Impairment

NCT06293040
View directory record Official record
Conditions
Cannabis Intoxication, Alcohol Intoxication
Interventions
Cannabis, Alcohol, Placebo Cannabis, Placebo Alcohol
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 9, 2026, 8:32 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Brain Mechanisms Supporting Cannabis-induced Pain Relief

NCT04982965
View directory record Official record
Conditions
Sciatica, Lumbar Radiculopathy, Lower Back Pain, Degenerative Disc Disease, Chronic Low-back Pain (cLBP), Chronic Low Back and Leg Pain, Back Pain
Interventions
Active Cannabis, Placebo Cannabis
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 9, 2026, 8:32 AM EDT
Completed Phase 2Phase 3 Interventional

RePOSA-Revealing the Efficacy of IHL-42X Use in Patients With OSA

NCT06146101
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
IHL-42X Low Dose, IHL-42X High Dose, Placebo, IHL-42X (Optimal Dose), Dronabinol, Acetazolamide
Drug
Lead sponsor
Incannex Healthcare Ltd
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
20
States / cities
Chula Vista, California • Long Beach, California • Upland, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 9, 2026, 8:32 AM EDT
Completed Phase 2 Interventional Results available

Treosulfan and Fludarabine Phosphate Before Donor Stem Cell Transplant in Treating Patients With Nonmalignant Inherited Disorders

NCT00919503
View directory record Official record
Conditions
Non-Neoplastic Hematologic and Lymphocytic Disorder
Interventions
Allogeneic Bone Marrow Transplantation, Anti-Thymocyte Globulin, Cyclosporine, Fludarabine Phosphate, Laboratory Biomarker Analysis, Methotrexate, Mycophenolate Mofetil, Peripheral Blood Stem Cell Transplantation, Tacrolimus, Total-Body Irradiation, Treosulfan, Umbilical Cord Blood Transplantation
Procedure · Biological · Drug + 2 more
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
Up to 49 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
6
States / cities
Aurora, Colorado • Portland, Oregon • Nashville, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Sep 9, 2026, 8:32 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Analgesic and Subjective Effects of Terpenes

NCT04451863
View directory record Official record
Conditions
Pain, Abuse, Drug
Interventions
Low THC, High THC, Low Myrcene, High Myrcene, Low Beta-Caryophyllene, High Beta-Caryophyllene, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 9, 2026, 8:32 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 14, 2026 · Synced Sep 9, 2026, 8:32 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Effect of Cannabis on E-Cigarette Use Behavior

NCT06609109
View directory record Official record
Conditions
Cannabis Use, Tobacco Use, Electronic Cigarette Use
Interventions
THC High Dose, THC Low Dose, THC 0mg, E-Cigarette Full Nicotine, E-Cigarette Placebo Nicotine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 9, 2026, 8:32 AM EDT