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ClinicalTrials.gov public records Last synced Oct 4, 2026, 3:12 AM EDT

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Showing 73–96 of 266 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Smokers cease smoking Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Cancer Disparities Among Latinos in Texas

NCT01504919
View directory record Official record
Conditions
Psychosocial Problem
Interventions
Health Education, Questionnaires, Telephone Counseling Sessions, Nicotine Patches
Behavioral · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
301 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2022
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhancing Relapse Prevention for Smoking Cessation With Repetitive Transcranial Magnetic Stimulation

NCT02822703
View directory record Official record
Conditions
Smoking Cessation
Interventions
rTMS Active 20Hz, rTMS Sham
Device
Lead sponsor
The City College of New York
Other
Eligibility
21 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 4, 2016 · Synced Oct 4, 2026, 3:12 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Mobile Media-Rich Interactive Guideline System (MMRIGS) Pilot Study

NCT02302859
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Nicotine Patch, Questionnaires, Pamphlet, Phone Counseling Sessions, Saliva Test, Smart phone
Drug · Behavioral · Other + 1 more
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Oct 4, 2026, 3:12 AM EDT
Completed No phase listed Observational

Impact of Lung Cancer Diagnosis on Relatives' Understanding of Genetic Risk and Receptivity to Quit Smoking

NCT00341341
View directory record Official record
Conditions
Lung Cancer
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 55 Years
Enrollment
757 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 4, 2026, 3:12 AM EDT
Withdrawn Not applicable Interventional

Development of a Scalable Intervention to Improve Smoking Cessation in Persons With Serious Mental Illness

NCT04340102
View directory record Official record
Conditions
Tobacco Cessation
Interventions
BecomeAnEx
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 6, 2020 · Synced Oct 4, 2026, 3:12 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Smoking Relapse Prevention Via Just-in-Time-Adaptive Interventions

NCT03690596
View directory record Official record
Conditions
Smoking Cessation
Interventions
NRT + QuitBuddy, NRT + QuitBuddy-Recall, Treatment as Usual
Other
Lead sponsor
Meharry Medical College
Other
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 13, 2021 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of Biomarkers in Children to Help Parents Quit Tobacco

NCT04832659
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Learning-Theory-Based Smoking Cessation Strategies

NCT01368653
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Standard treatment, Standard treatment+practice quitting, Very low nicotine cigarettes
Behavioral · Drug
Lead sponsor
Rutgers University
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Not applicable Interventional Results available

Varenicline or Nicotine Patch and Nicotine Gum in Helping Smokers in a Methadone Treatment Program Stop Smoking

NCT00790569
View directory record Official record
Conditions
Bladder Cancer, Cervical Cancer, Esophageal Cancer, Gastric Cancer, Head and Neck Cancer, Kidney Cancer, Leukemia, Liver Cancer, Lung Cancer, Pancreatic Cancer, Tobacco Use Disorder
Interventions
nicotine, varenicline, placebo
Drug · Other
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 120 Years
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 6, 2018 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Not applicable Interventional Results available

Randomized Pilot Study of a mHealth App for Ambivalent Smokers Living With HIV

NCT05339659
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
mHealth Intervention
Device
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 1, 2024 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mobile Cessation Support for Latino Smokers

NCT03586596
View directory record Official record
Conditions
Smoking Cessation
Interventions
The Decídetext program, Standard Care Control
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
21 Years and older
Enrollment
457 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
3
States / cities
Kansas City, Kansas • Hackensack, New Jersey • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 12, 2024 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

An EPIC Based BPA to Enhance Quit Line Referral and Use

NCT03229356
View directory record Official record
Conditions
Smoking Cessation
Interventions
Best Practices Advisory (BPA), BPA + Enhanced Education
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 18, 2023 · Synced Oct 4, 2026, 3:12 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Centralized Lung Cancer EARly Detection Among Smokers (CLEAR Study)

NCT04200534
View directory record Official record
Conditions
Smoking, Lung Cancer
Interventions
Best Practice, Nicotine Patch, Quality-of-Life Assessment, Questionnaire Administration, Tobacco Cessation Counseling
Other · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
55 Years to 77 Years
Enrollment
358 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
3
States / cities
Galveston, Texas • Houston, Texas • Tyler, Texas
Source: ClinicalTrials.gov public record
Updated Aug 22, 2025 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Randomized Control Trial of Financial Incentives for Smoking Cessation

NCT01303081
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Individual Rewards, Fixed Deposits, Chosen Deposits, Competitive Deposits (Pari-Mutuel), Usual Care
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 2, 2012 · Synced Oct 4, 2026, 3:12 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

COPD Metabolome, Smoking Oxidants and Aberrant Ciliated Cell Function

NCT01974154
View directory record Official record
Conditions
COPD, Smoking
Interventions
Cohort I, Cohort II
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Not applicable Interventional Results available

Smoking Cessation for Smokers With Sleep Problems

NCT01277887
View directory record Official record
Conditions
Nicotine Dependence, Cigarette Smoking, Insomnia
Interventions
Cognitive-Behavioral Counseling, Smoking Cessation Counseling
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 21, 2017 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Phase 4 Interventional Results available

Tobacco Use Treatment in Cancer Patients

NCT03482583
View directory record Official record
Conditions
Smoking, Cigarette
Interventions
Nicotine Replacement Therapy, Referral to AHEC/Quitline
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
5
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 22, 2020 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Guanfacine Clinical Trial for Smoking Cessation

NCT02051309
View directory record Official record
Conditions
Smoking Cessation
Interventions
Guanfacine, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 29, 2021 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Not applicable Interventional

Direct to Smoker Outreach in a Health Care Setting

NCT01321944
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Direct to Smoker Outreach Program
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
590 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Revere, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 24, 2011 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Fluoxetine as a Quit Smoking Aid for Depression-Prone Smokers

NCT00018174
View directory record Official record
Conditions
Depression, Smoking
Interventions
Fluoxetine, Behavioral group smoking cessation treatment, Placebo
Drug · Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
247 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2005
U.S. locations
1
States / cities
Hines, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 2, 2009 · Synced Oct 4, 2026, 3:12 AM EDT
Recruiting Not applicable Interventional

Testing the mHealth App Intervention for Nondaily Smokers "SiS4"

NCT06678243
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smiling instead of Smoking, QuitGuide
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Neuroimaging Studies of Smoking and Treatment

NCT03085602
View directory record Official record
Conditions
Smoking Cessation
Interventions
Cognitive behavioral therapy, Health education
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Oct 4, 2026, 3:12 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Smoking Cessation CM for Veterans With or at Risk for Cancer

NCT06432985
View directory record Official record
Conditions
Tobacco Use Disorder, Substance Use Disorder
Interventions
Focus Group, Contingency Management (CM), TUD Treatment as Usual (TAU)
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2031
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 4, 2026, 3:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mobile-based Peer Mentoring for Smoking Cessation

NCT03048786
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use
Interventions
Control, Peer Mentoring
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 1, 2023 · Synced Oct 4, 2026, 3:12 AM EDT