Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 6, 2026, 9:24 PM EDT

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Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Nicotine Dependence, Cigarettes
Interventions
AI-enhanced smartphone app, AI-enhanced smartphone app, but with delayed access
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
14 Years to 20 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Conditions
Cigarette Smoking
Interventions
E-cigarette (EC), Nicotine Replacement Therapy (NRT), Harm-Reduction Counseling, Ecological Momentary Intervention (EMI) Text Messaging
Other · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
New York, New York
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Research and Innovation to Stop E-cigarette/Vaping in Young Adults

NCT04974580
Conditions
Nicotine Dependence, E-Cig Use
Interventions
Nicotine patch, Phone Counseling, Digital Coaching
Drug · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 24 Years
Enrollment
508 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Behavior, Health Risk, Implementation Science, E Cigarette Use, Cessation, Smoking, Incentives, Engagement, Patient, Peer Support, Media Literacy
Interventions
Text-massaging suport, Financial incentive, Media literacy
Behavioral
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 29 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Vaping Behaviors, Message Exposure, Young Adults
Interventions
Intervention, Control
Other
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years to 24 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Honolulu, Hawaii
Completed Not applicable Interventional Accepts healthy volunteers Results available

Text Message Quit Vaping Intervention for Adolescents

NCT04919590
Conditions
Vaping, Cessation, Tobacco
Interventions
This is Quitting, Assessment only control, Waitlist control
Behavioral · Other
Lead sponsor
Truth Initiative
Other
Eligibility
13 Years to 17 Years
Enrollment
1,681 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers

Randomized Clinical Trial to Reduce Harm From Tobacco

NCT02328794
Conditions
Smoking Cessation
Interventions
E-cigarette free access, E-cigarette/NRT/Zyban/Chantix Choice, Outcome Incentive arm, Loss framing incentive arm, Control
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 99 Years
Enrollment
6,006 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Chicago Community Health Study

NCT04460417
Conditions
Smoking
Interventions
Enhanced Care, TAU
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Completed Not applicable Interventional Accepts healthy volunteers Results available

Text Message Quit Vaping Intervention for Young Adults

NCT04251273
Conditions
Tobacco Cessation
Interventions
This is Quitting, Assessment only Control
Other
Lead sponsor
Truth Initiative
Other
Eligibility
18 Years to 24 Years
Enrollment
2,588 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Network Intervention to Prevent Vaping

NCT04678245
Conditions
Vaping, Preventive Psychiatry, Social Networking
Interventions
Above the Influence-Vaping (ATI-V)
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
12 Years to 18 Years
Enrollment
3,950 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Rochester, New York
Conditions
Vaping, Vaping Teens, Nicotine Dependence
Interventions
QuitVaping, This is Quitting (TIQ)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 19 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Vaping, Vaping Cessation
Interventions
Behavioral: Quitting Program (TIQ)
Device
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
13 Years to 24 Years
Enrollment
539 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Vaping, Adolescent Behavior, Communication Research
Interventions
Tailored
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
13 Years to 20 Years
Enrollment
1,155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Nicotine Dependence, Tobacco-Related Carcinoma
Interventions
Smartphone app, Text Message, Survey Administration
Behavioral · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 30 Years
Enrollment
1,178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Digital Media for Cancer Control (to Prevent Vaping and Smoking Behavior)

NCT04867668
Conditions
Tobacco Use
Interventions
Anti-vaping and anti-smoking digital advertising
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years to 24 Years
Enrollment
2,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Not applicable Interventional Accepts healthy volunteers

Oral Nicotine Product Messaging to Communicate Risk of Use for Young Adults

NCT07702435
Conditions
Tobacco-Related Carcinoma
Interventions
Behavioral Intervention, Survey Administration
Behavioral · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 30 Years
Enrollment
607 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vaper to Vaper: A Multimodal Mobile Peer Driven Intervention to Support Adolescents in Quitting Vaping

NCT05140915
Conditions
E-cigarette Use, Vaping
Interventions
Peer Messaging, Peer Coaching via Text, Gamification, E-Cigarette Cessation Materials
Behavioral · Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
13 Years to 19 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Worcester, Massachusetts
Recruiting Not applicable Interventional Accepts healthy volunteers

Pilot Study of the YES-CAN! Program to Prevent Youth Nicotine Vaping

NCT07009509
Conditions
Nicotine Vaping
Interventions
YES-CAN! program
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
9 Years and older
Enrollment
1,166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Completed Not applicable Interventional Accepts healthy volunteers

PACE Vape Messaging Study

NCT04450537
Conditions
Vaping, E-cigarette Use, Electronic Cigarette Use
Interventions
Vape Messaging Intervention
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 24 Years
Enrollment
569 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Burlington, Vermont
Conditions
Tobacco-Related Carcinoma
Interventions
Health Education, Interview, Smoking Cessation Intervention, Survey Administration, Text Message-Based Navigation Intervention
Behavioral · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 35 Years
Enrollment
292 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Recruiting Not applicable Interventional Accepts healthy volunteers

Vape-Free Text-Messaging: Pilot Study

NCT05906082
Conditions
E-cigarette Use
Interventions
E-cigarette cessation text-messaging intervention, Standard care control using standard national resources
Behavioral
Lead sponsor
Jovan Gwon, PhD, RN, FIAAN
Other
Eligibility
18 Years to 24 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of Biomarkers in Children to Help Parents Quit Tobacco

NCT04832659
Conditions
Tobacco Dependence
Interventions
CEASE, CEASE + BIO
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
865 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Nicotine Vaping, Nicotine Use Disorder
Interventions
quitSTART Mobile Application, Chatbot Feature in quitSTART Mobile Application
Device · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
15 Years to 25 Years
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Vaping, Social Support
Interventions
Quit the Hit (QTH) Program with Peer Mentoring
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
13 Years to 29 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
San Francisco, California