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 4, 2026, 11:36 PM EDT

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

Showing 1–24 of 30 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Vaporizer Device Clear all
Completed Phase 2 Interventional

Efficacy of Inhaled Cannabis for Acute Migraine Treatment

NCT04360044
View directory record Official record
Conditions
Migraine, Cannabis, THC, CBD
Interventions
THC ~5%, CBD ~12%, THC ~5% and CBD ~12%, Sham Cannabis
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 65 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Sep 4, 2026, 11:36 PM 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 28, 2026 · Synced Sep 4, 2026, 11:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nicotine Delivery From Novel Non-Tobacco Electronic System in Smokers

NCT02575885
View directory record Official record
Conditions
Cigarette Smoker, Current Smoker, Healthy Subject
Interventions
Electronic Cigarette, Laboratory Biomarker Analysis, Pharmacological Study, Questionnaire Administration
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 11, 2018 · Synced Sep 4, 2026, 11:36 PM EDT
Completed Phase 1 Interventional Results available

Opioid and Cannabinoid Interactions

NCT03705559
View directory record Official record
Conditions
Marijuana Usage, Opioid Use
Interventions
Vaporized Marijuana, Opioid Agonist, Placebo
Drug
Lead sponsor
Shanna Babalonis, PhD
Other
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Sep 4, 2026, 11:36 PM 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 4, 2026, 11:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

THC Crossover Study

NCT04429568
View directory record Official record
Conditions
THC, Cannabis, Cannabis Smoking, Cannabis Use, Unspecified, Cigarette Smoking, Tobacco Use, Nicotine Dependence, Nicotine Withdrawal, Cardiovascular Risk Factor
Interventions
Smoked Cannabis, Vaped Cannabis, Tobacco Cigarette
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced Sep 4, 2026, 11:36 PM EDT
Terminated Phase 2 Interventional Results available

A Pilot Study of Danirixin for Disease Progression in Chronic Obstructive Pulmonary Disease (COPD)

NCT03170232
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Danirixin 35 mg tablets, Placebo, Metered dose inhaler (MDI) sensor device, Rescue medication
Drug · Device
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years to 76 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
11
States / cities
Birmingham, Alabama • San Diego, California • Torrance, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Sep 4, 2026, 11:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Establishing the Effect of Flavor on the Addictive Potential of Electronic Cigarettes

NCT03905928
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Nicotine Containing ECIG with tobacco flavor, Nicotine Containing ECIG with Strawberry Vanilla Flavor, Placebo ECIG with Tobacco Flavor, Placebo ECIG with Strawberry Vanilla Flavor
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 60 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 21, 2025 · Synced Sep 4, 2026, 11:36 PM EDT
Completed Phase 4 Interventional Results available

Mobile Contingency Management for Concurrent Abstinence From Alcohol and Smoking

NCT02995915
View directory record Official record
Conditions
Smoking Cessation, Alcohol Drinking
Interventions
Nicotine Replacement Therapy, Bupropion, Cognitive Behavioral Treatment, Mobile Contingency Management, Mobile Monitoring
Other · Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 80 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Sep 4, 2026, 11:36 PM EDT
Terminated Not applicable Interventional Results available

Breath-Actuated Nebulizer Versus Conventional Continuous-Output Nebulizer in Pediatric Asthma Patients

NCT01045174
View directory record Official record
Conditions
Asthma
Interventions
Nebulizer (breath-actuated versus conventional continuous-output)
Device
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
1 Year to 17 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 24, 2020 · Synced Sep 4, 2026, 11:36 PM EDT
Completed Not applicable Interventional Results available

Comparison of Different Ventilator and Vaporizer Technologies to Study Economic and Environmental Implications

NCT04851314
View directory record Official record
Conditions
Anesthetic Gas Consumption and Cost-Effectiveness
Interventions
ICU certified ventilator, Non-ICU certified ventilator
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Aug 9, 2021 · Synced Sep 4, 2026, 11:36 PM EDT
Completed Phase 3 Interventional Results available

A Phase III Parallel Group Study, Comparing the Efficacy, Safety and Tolerability of the Fixed Dose Combination (FDC) of Fluticasone Furoate+Umeclidinium Bromide+Vilanterol (FF/UMEC/VI) With the FDC of FF/VI in Subjects With Inadequately Controlled Asthma

NCT02924688
View directory record Official record
Conditions
Asthma
Interventions
FF/UMEC/VI (100/31.25/25) mcg, FF/UMEC/VI (100/62.5/25) mcg, FF/UMEC/VI (200/31.25/25) mcg, FF/UMEC/VI (200/62.5/25) mcg, FF/VI (100/25) mcg, FF/VI (200/25) mcg, Fluticasone/salmeterol (FSC), Albuterol/salbutamol, ELLIPTA DPI, DISKUS DPI, METERED-DOSE INHALER (MDI)
Drug · Device
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
2,436 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
99
States / cities
Birmingham, Alabama • Mobile, Alabama • Montgomery, Alabama + 89 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2021 · Synced Sep 4, 2026, 11:36 PM EDT
Not listed Phase 2 Interventional

Safety and Efficacy of Inhaled Cannabis For the Uncontrolled Pain Relief in Patients With Advanced Cancer

NCT04042545
View directory record Official record
Conditions
Cancer Pain, Quality of Life, Pain, Acute, Cannabis Use
Interventions
PPP001, Placebo
Drug
Lead sponsor
Tetra Bio-Pharma
Industry
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Cave Creek, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 15, 2021 · Synced Sep 4, 2026, 11:36 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Comparative Pharmacokinetic and Pharmacodynamic Effects of Delta-8 and Delta-9 THC

NCT05287256
View directory record Official record
Conditions
Behavioral Pharmacology of Cannabis
Interventions
Oral Delta-8-THC Cannabis, Oral Delta-9-THC Cannabis, Oral Placebo, Vaporized Delta-8-THC Cannabis, Vaporized Delta-9-THC Cannabis, Vaporized Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 45 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 4, 2026, 11:36 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Vaping THC From Electronic Cigarettes

NCT02955329
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Nicotine, Cannabis, PAX Loose Leaf Vaporizer
Drug · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 28, 2023 · Synced Sep 4, 2026, 11:36 PM EDT
Completed Phase 4 Interventional Results available

Use of Mobile Devices and the Internet to Streamline an Asthma Clinical Trial

NCT02061280
View directory record Official record
Conditions
Asthma
Interventions
fluticasone/salmeterol 250/50 Dry Powder Inhaler, fluticasone/salmeterol 100/50 Dry Powder Inhaler, fluticasone 100mcg Dry Powder Inhaler
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
12 Years to 17 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
5
States / cities
Wilmington, Delaware • Jacksonville, Florida • Orlando, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 4, 2026, 11:36 PM EDT
Completed Phase 4 Interventional Results available

Mobile Health Technology to Enhance Abstinence in Smokers With Schizophrenia

NCT02420015
View directory record Official record
Conditions
Schizophrenia, Cigarette Smoking
Interventions
Nicotine replacement therapy, Bupropion, cognitive-behavioral smoking cessation counseling, Mobile Contingency Management, Stay Quit Coach, SMS text messaging
Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 9, 2019 · Synced Sep 4, 2026, 11:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pharmacokinetics, Subjective Effects, and Abuse Liability of Nicotine Salt-Based Vaping Products With Tobacco or Unflavored E-liquids, SALTVAPE Study

NCT04231539
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine, Vaporizer Device, Salt-HIgh Nicotine Unflavored (Product B), Free-Low Nicotine Tobacco Flavored (Product C), Salt-High Nicotine Tobacco Flavored (Product D)
Drug · Device
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Sep 4, 2026, 11:36 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Repeated CBD Administration and Cannabis Outcomes

NCT07434895
View directory record Official record
Conditions
Cannabis, Abuse Liability, Experimental Pain in Healthy Human Participants
Interventions
Cannabidiol, Medium Dose, Cannabidiol, Higher Dose, Active Inhaled Cannabis, Placebo Cannabidiol, Placebo Inhaled Cannabis
Drug
Lead sponsor
Hannah Harris
Other
Eligibility
18 Years to 55 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 4, 2026, 11:36 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Cognitive and Psychophysiological Effects of Delta-9-Tetrahydrocannabinol in Bipolar Disorder

NCT03206463
View directory record Official record
Conditions
Delta-9-Tetrahydroncannabinol, Bipolar Disorder, Healthy Controls
Interventions
4 mg Delta-9-THC, Placebo, 2 mg Delta-9-THC
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 30, 2022 · Synced Sep 4, 2026, 11:36 PM EDT
Completed Not applicable Interventional

Use of Technological Advances to Prevent Smoking Relapse Among Smokers With PTSD

NCT01990079
View directory record Official record
Conditions
PTSD, Smoking
Interventions
Bupropion, nicotine replacement therapy, Smoking cessation counseling, mobile contingency management, Stay Quit Coach
Drug · Other · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 4, 2026, 11:36 PM EDT
Terminated Not applicable Interventional Results available

Analysis of Lipid Biomarkers of Exposure and Host Response

NCT00493831
View directory record Official record
Conditions
Cigarette Smoking
Interventions
nicotine polacrilex, transdermal system or inhaler
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Sep 4, 2026, 11:36 PM 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 19, 2026 · Synced Sep 4, 2026, 11:36 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Understanding the Clinical Pharmacology of Marijuana-Tobacco Co-administration

NCT05999383
View directory record Official record
Conditions
THC, Cannabis, Cannabis Use, Cannabis Smoking, Tobacco Use, Vaping
Interventions
Cannabis, Nicotine, Pax Loose Leaf Vaporizer, Placebo Marijuana
Drug · Device · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 4, 2026, 11:36 PM EDT