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 come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 8:54 PM EDT

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

Showing 193–216 of 305 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Vaping Clear all
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Hippocampal Network Changes Following Mindfulness Training in Tobacco Vaping Adolescents in an Open-label, Pilot Study

NCT06503159
View directory record Official record
Conditions
Vaping Teens, Healthy Volunteers
Interventions
Mindfulness-based Stress Reduction (MBSR) Program, functional magnetic resonance imaging (fMRI)
Behavioral · Other
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
13 Years to 18 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 19, 2026, 8:54 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparison of Pharmacokinetic Parameters Between Adopters of Electronic Cigarettes and a Historical Sample of Combustible Cigarette Smokers

NCT02730676
View directory record Official record
Conditions
Smoking
Interventions
Electronic Cigarette #1, Electronic Cigarette #2
Other
Lead sponsor
R.J. Reynolds Vapor Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Lakewood, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 1, 2018 · Synced Oct 19, 2026, 8:54 PM EDT
Completed Not applicable Interventional Results available

Changes in Biomarkers Associated With Use of Electronic Cigarettes

NCT03084315
View directory record Official record
Conditions
Biomarkers
Interventions
E-Cig Zero Nicotine, E-Cig 24mg Nicotine
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 26, 2021 · Synced Oct 19, 2026, 8:54 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Human Factors Validation and Usability Testing of the IKE Age-Gating System

NCT06952569
View directory record Official record
Conditions
Vaping, Underage
Interventions
IKE System
Other
Lead sponsor
IKE Tech
Industry
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
4
States / cities
Los Angeles, California • Chicago, Illinois • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced Oct 19, 2026, 8:54 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Responses to E-Cigarette Advertising

NCT04249219
View directory record Official record
Conditions
E-Cig Use
Interventions
Viewing e-cigarette ads
Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 26 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 8, 2023 · Synced Oct 19, 2026, 8:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vaping Prevention and Vaping in Youth (Vapechat)

NCT06003439
View directory record Official record
Conditions
Vaping, Smoking Cessation
Interventions
Virtual Reality Program, VR Program
Behavioral
Lead sponsor
Boston University
Other
Eligibility
13 Years to 19 Years
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 7, 2024 · Synced Oct 19, 2026, 8:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility of a Decision Aid for E-Cigarettes in Primary Care

NCT03836573
View directory record Official record
Conditions
Smoking, Cigarette, Smoking Cessation
Interventions
Smoking Cessation iPad Decision Aid Tool
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 22, 2019 · Synced Oct 19, 2026, 8:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Social Media Intervention to Stop Nicotine and Cannabis Vaping Among Adolescents

NCT04707911
View directory record Official record
Conditions
Vaping
Interventions
Social Media Intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
13 Years to 21 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2024 · Synced Oct 19, 2026, 8:54 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Development of a Mobile Health Intervention for Electronic Cigarette Use Among Young Adults

NCT06395415
View directory record Official record
Conditions
Electronic Nicotine Delivery Systems, Tobacco Products, Cigarette Smoking
Interventions
EQUIP, Standard Care
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 26 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 19, 2026, 8:54 PM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

Nicotine and Pavlovian Bias

NCT06027723
View directory record Official record
Conditions
Nicotine Vaping, Nicotine Dependence
Interventions
Nicotine, Placebo
Drug · Other
Lead sponsor
University of Southern California
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 9, 2023 · Synced Oct 19, 2026, 8:54 PM 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 9, 2026 · Synced Oct 19, 2026, 8:54 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Impact of Flavors on Nicotine Perception and Self-Administration Via E-cigarettes

NCT04038515
View directory record Official record
Conditions
Nicotine, E-liquid Flavors
Interventions
Nicotine 0 mg/mL, Nicotine 6 mg/mL, Nicotine 12 mg/mL, Nicotine 24 mg/mL, 'Menthol' flavor, 'Menthol/Mint' flavor, 'Green Apple' flavor, 'Watermelon' flavor, 'Unflavored'
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced Oct 19, 2026, 8:54 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

BREATHE Free Curriculum

NCT06862050
View directory record Official record
Conditions
Smoking Cessation; Tobacco Dependence, E-Cig Use, Nicotine Dependence, Other Tobacco Product
Interventions
BREATHE Free Curriculum
Behavioral
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 19, 2026, 8:54 PM EDT
Active, not recruiting Not applicable Interventional

Developing an E-Cigarette Cessation Intervention for Hispanic/Latina(o) Youth in Florida: The BReATHE Study

NCT07192601
View directory record Official record
Conditions
Vaping Teens, Vaping Behaviors, Vaping Cessation, Tobacco Use Disorder
Interventions
E-cigarette Cessation Manual
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
14 Years to 18 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 19, 2026, 8:54 PM EDT
Completed Not applicable Interventional

Influencer Marketing: a Survey-based Experiment Among Adolescents

NCT06501937
View directory record Official record
Conditions
Vaping
Interventions
Influencer marketing
Other
Lead sponsor
University of Southern California
Other
Eligibility
13 Years to 17 Years
Enrollment
664 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 15, 2024 · Synced Oct 19, 2026, 8:54 PM EDT
Completed Not applicable Interventional Results available

Effect of Different E-cigarette Cooling Flavors on Adults' Sensory Experience TCORS 3.0

NCT05932693
View directory record Official record
Conditions
E-Cig Use
Interventions
E-liquid coolant (WS-3, 0.05%), E-liquid coolant (WS-3, 0.1%), E-liquid coolant (WS-3, 0.5%), E-liquid coolant (WS-3, 1.0%), E-liquid coolant (WS-3, 2.0%), E-liquid coolant (menthol, 0.05%), E-liquid coolant (menthol, 0.1%), E-liquid coolant (menthol, 0.5%), E-liquid coolant (menthol, 1.0%), E-liquid coolant (menthol, 2.0%), E-liquid coolant (WS-23, 0.05%), E-liquid coolant (WS-23, 0.1%), E-liquid coolant (WS-23, 0.5%), E-liquid coolant (WS-23, 1.0%), E-liquid coolant (WS-23, 2.0%), E-liquid coolant (WS-23, 4.0%)
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Oct 19, 2026, 8:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Expanding the Click City Tobacco Prevention Program to Include E-cigarettes and Other Novel Tobacco Products

NCT03682900
View directory record Official record
Conditions
Tobacco Use
Interventions
Click City®: Tobacco, Usual Tobacco Curriculum
Other
Lead sponsor
Oregon Research Behavioral Intervention Strategies, Inc.
Industry
Eligibility
9 Years to 12 Years
Enrollment
2,673 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Springfield, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 1, 2023 · Synced Oct 19, 2026, 8:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low Nicotine Content Cigarettes in Vulnerable Populations: Women of Reproductive Age

NCT04092387
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Varying the nicotine content of cigarettes, E-Cigarettes
Other
Lead sponsor
University of Vermont
Other
Eligibility
21 Years to 44 Years · Female only
Enrollment
326 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
Baltimore, Maryland • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Oct 19, 2026, 8:54 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Feasibility of PET/CT to Detect the Oral/Pulmonary Distribution of Nicotine Following E-cigarette Use

NCT03491059
View directory record Official record
Conditions
E-cigarette Use
Interventions
C-11 labeled nicotine, PET/CT imaging
Drug · Radiation
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 80 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Oct 19, 2026, 8:54 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Impact of E-cigarette Use on the Body

NCT04972513
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Biospecimen Collection, Nitric Oxide Breath Test, Oscillometry, Spirometry, Survey Administration, Endothelial function
Procedure · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
15 Years to 25 Years
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 19, 2026, 8:54 PM EDT
Recruiting Not applicable Interventional

Adapting an Intervention for Vaping in Young Veterans

NCT06196489
View directory record Official record
Conditions
E Cigarette Use
Interventions
adapted vaping cessation intervention
Behavioral
Lead sponsor
Veterans Medical Research Foundation
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Oct 19, 2026, 8:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial for Harm Reduction With Incentives & Vaping E-cigarettes

NCT06111053
View directory record Official record
Conditions
Obesity, Smoking Cessation
Interventions
ENDS, CI, No ENDS, NI
Other
Lead sponsor
Brown University
Other
Eligibility
21 Years to 99 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 18, 2024 · Synced Oct 19, 2026, 8:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Graphic Messages to Prevent E-Cigarette Use Among Black and Latino Adolescents

NCT04899999
View directory record Official record
Conditions
Vaping
Interventions
Financial reward graphic message, Health reward graphic message, Self-efficacy graphic message, Social norms graphic message
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
12 Years to 17 Years
Enrollment
362 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 1, 2025 · Synced Oct 19, 2026, 8:54 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparison of Smoking and Vaping in Families

NCT02500238
View directory record Official record
Conditions
Smoking
Interventions
Saliva sample, Urine Sample, Toe nail clippings, Breath carbon monoxide test
Other
Lead sponsor
University of Florida
Other
Eligibility
6 Years to 17 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Gainesville, Florida • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 28, 2018 · Synced Oct 19, 2026, 8:54 PM EDT