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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Messages targeting smokers Clear all
Completed Not applicable Interventional Results available

WeChat Quit Coach Pilot Study

NCT05130788
View directory record Official record
Conditions
Smoking Cessation
Interventions
WeChat Quit Coach, Leaflet, Optional Nicotine Replacement Therapy (NRT) Patches or Lozenges
Behavioral · Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Extended Facebook Intervention for Young Sexual and Gender Minority Smokers

NCT03553992
View directory record Official record
Conditions
Tobacco Use, Smoking, Tobacco Dependence, Tobacco Use Disorder, Tobacco Use Cessation, Tobacco Smoking, Smoking Cessation, Smoking, Cigarette, Smoking, Tobacco
Interventions
POP-6:, TSP-6:
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 25 Years
Enrollment
173 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 18, 2020 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Not applicable Interventional

Technology and Telephone-Based Smoking Cessation

NCT03492645
View directory record Official record
Conditions
Smoking Cessation
Interventions
Telephone-and technology-facilitated treatment protocol, Office-based treatment protocol
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 69 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2019 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mobile Mindfulness Training for Smoking Cessation

NCT02037360
View directory record Official record
Conditions
Smoking Cessation
Interventions
Active Comparator App/Training, Experimental App/Training
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 65 Years
Enrollment
1,251 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 29, 2018 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing Tobacco Use Disparities Among Low-Income Adults

NCT03077737
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Dependence
Interventions
Choose to Change, Enhanced usual care
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 20, 2022 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Not applicable Interventional

Quit Smoking Text Message Study

NCT06111755
View directory record Official record
Conditions
Smoking Cessation
Interventions
SmokefreeTXT, Smartband
Other · Device
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
204 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 Aug 5, 2025 · Synced Sep 11, 2026, 7:10 AM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Community-based Smoking Cessation Treatment for Adults With High Stress Sensitivity.

NCT06053567
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Aerobic Exercise, Counseling, Nicotine patch
Behavioral · Drug
Lead sponsor
Jasper A. Smits
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving the Reach & Effectiveness of Smoking Cessation Services Targeted to Veterans Living With HIV

NCT04505371
View directory record Official record
Conditions
HIV Infections, Smoking, Smoking Cessation
Interventions
Wellness Intervention for Smokers with HIV
Behavioral
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years and older
Enrollment
235 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Phase 2 Interventional

Internet-Based Nonsmoking Program for Postpartum Women

NCT02602730
View directory record Official record
Conditions
Cigarette Smoking, Smoking, Tobacco
Interventions
Break the Chain, Clearing the Air
Behavioral
Lead sponsor
Oregon Center for Applied Science, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
307 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 10, 2015 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Not applicable Interventional

A Mobile Intervention to Promote Cessation in HIV-infected Smokers

NCT02432482
View directory record Official record
Conditions
Tobacco Use, HIV-1-infection
Interventions
mobile Positively Smoke Free (mPSF), Standard care
Behavioral
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 30, 2023 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mechanisms of Mindfulness for Smoking Cessation

NCT02943499
View directory record Official record
Conditions
Smoking Cessation
Interventions
App/Training, Smartphone
Behavioral · Device
Lead sponsor
Brown University
Other
Eligibility
21 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 18, 2019 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Not applicable Interventional

Text Message Support to Prevent Smoking Relapse

NCT02968095
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Text Message Craving Program, Self-Help Manual Plus Control Texts
Behavioral
Lead sponsor
Miami University
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Oxford, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Improving Quitline Support Study

NCT03538938
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
1-Call Quitline Counseling, 4-Call Quitline Counseling, Nicotine patch, Nicotine Patch and Nicotine Lozenge, SmokefreeTXT, No SmokefreeTXT, Financial Incentives for Treatment Engagement, No Financial Incentives for Treatment Engagement
Behavioral · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
1,316 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Facebook Intervention for Young Sexual and Gender Minority Smokers

NCT03259360
View directory record Official record
Conditions
Tobacco Use, Smoking, Tobacco Dependence, Tobacco Use Disorder, Tobacco Use Cessation, Tobacco Smoking, Smoking Cessation, Smoking, Cigarette, Smoking, Tobacco
Interventions
POP:, TSP:
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 25 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Testing Different Anti-smoking Messages Among Chinese Young Adult Smokers and Nonsmokers

NCT06730646
View directory record Official record
Conditions
Smoking Prevention
Interventions
Health effects, Tobacco industry manipulation, Secondhand smoke, Mentral health, Social acceptability, Control
Behavioral
Lead sponsor
Georgia State University
Other
Eligibility
18 Years to 25 Years
Enrollment
1,541 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 11, 2026, 7:10 AM EDT
Completed Not applicable Interventional Results available

Nonsmokers Helping Smokers Quit

NCT02010697
View directory record Official record
Conditions
Smoking Cessation
Interventions
Messages targeting nonsmokers, Messages targeting smokers
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
3,125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Sep 11, 2026, 7:10 AM EDT