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ClinicalTrials.gov public records Last synced Oct 1, 2026, 4:22 PM EDT

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Showing 97–120 of 1,263 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cessation of Smoking Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Cigarette Reduction Using the Quitbit Digital Lighter and Mobile Application for Smoking Cessation: a Randomized Controlled Trial

NCT02515500
View directory record Official record
Conditions
Smoking Cessation
Interventions
Gradual Cessation, Gradual Cessation w/ Quitbit
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Positive Psychotherapy for Smoking Cessation Enhanced With Text Messaging: A Randomized Controlled Trial

NCT02997657
View directory record Official record
Conditions
Smoking Cessation
Interventions
Positive Psychotherapy, Standard smoking cessation counseling
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
271 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
2
States / cities
Boston, Massachusetts • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 1, 2023 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Tobacco Intervention in Buprenorphine Treatment

NCT01350011
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Innovative System, Standard Treatment Control (STC)
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Not applicable Interventional

p16 Methylation for Smoking Cessation

NCT01038492
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking Cessation, Lung Cancer
Interventions
p16 Methylation and Lung Cancer Education
Behavioral
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 28, 2013 · Synced Oct 1, 2026, 4:22 PM EDT
Withdrawn Not applicable Interventional

Cognitive and Emotional Skills to Aid Smoking Cessation

NCT03148652
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Enhanced Intervention Condition
Other
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Varenicline in Smokers With Cardiovascular Disease Who Wish to Quit Smoking

NCT00282984
View directory record Official record
Conditions
Smoking Cessation
Interventions
placebo, Varenicline
Drug
Lead sponsor
Pfizer
Industry
Eligibility
35 Years to 75 Years
Enrollment
714 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
3
States / cities
Hartford, Connecticut • Boston, Massachusetts • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 5, 2017 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Study of TA-NIC to Assess the Efficacy and Safety of the Vaccine as an Aid to Smoking Cessation

NCT00633321
View directory record Official record
Conditions
Smoking
Interventions
TA-NIC, Placebo
Biological
Lead sponsor
Celtic Pharma Development Services
Industry
Eligibility
18 Years and older
Enrollment
522 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
9
States / cities
Sacramento, California • Metairie, Louisiana • Columbia, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2011 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoking Cessation Self-Help for Dual Users of Tobacco Cigarettes and E-Cigarettes

NCT02416011
View directory record Official record
Conditions
Smoking Cessation
Interventions
GENERIC, eTARGET
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
2,896 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 23, 2022 · Synced Oct 1, 2026, 4:22 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Persistent Poverty Counties Pregnant Women With Medicaid

NCT05415371
View directory record Official record
Conditions
Tobacco Cessation, Tobacco Use, Tobacco Smoking, Smoking Cessation Financial Incentives, Socioeconomic Status, Contingency Management, Pregnancy
Interventions
Standard Care + Financial Incentives, Standard Care
Behavioral · Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 105 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoker-to-Smoker (S2S) Peer Marketing and Messaging to Disseminate Tobacco Interventions

NCT03224520
View directory record Official record
Conditions
Smoking Cessation
Interventions
Recommender CTHC, Standard CTHC, Peer Recruitment, Standard Online Recruitment
Behavioral · Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
1,487 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 26, 2021 · Synced Oct 1, 2026, 4:22 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Nivolumab for the Reversal of Squamous Dysplasia in High Risk Current and Former Smokers

NCT03347838
View directory record Official record
Conditions
Bronchial Dysplasia, Tobacco Smoking, History of Non-Small Cell Lung Cancer, History of Head and Neck Cancer
Interventions
Nivolumab
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
2
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 12, 2025 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Not applicable Interventional Results available

Evaluation of Tobacco Treatment Strategies for Inpatient Psychiatry

NCT00968513
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Brief Intervention, Extended Treatment, Usual Care
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
956 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
3
States / cities
Berkeley, California • San Francisco, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Facilitating Implementation of the PHS Smoking Cessation Guidelines - RESET

NCT00057070
View directory record Official record
Conditions
Smoking Cessation, Randomized Controlled Trial
Interventions
Smoking cessation information, collection, and dissemination
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
19 Years and older
Enrollment
1,900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2003
U.S. locations
2
States / cities
Minneapolis, Minnesota • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 7, 2015 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Phase 3 Interventional Results available

Smoking Cessation Versus Long-term Nicotine Replacement Among High-risk Smokers

NCT02148445
View directory record Official record
Conditions
Smoking, Pulmonary Disease, Chronic Obstructive, Tobacco Use Disorder
Interventions
Standard Smoking Cessation, Extended Nicotine Replacement Therapy, Nicotine replacement therapy
Other · Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
398 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 1, 2026, 4:22 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Behavioral Activation Therapy and Nicotine Replacement Therapy in Increasing Smoking Cessation

NCT02697227
View directory record Official record
Conditions
Cigarette Smoker, Tobacco Use Disorder
Interventions
Behavioral Intervention, Laboratory Biomarker Analysis, Nicotine Patch, Questionnaire Administration, Smoking Cessation Intervention
Behavioral · Other · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mindset Intervention for Nicotine Dependence

NCT03174730
View directory record Official record
Conditions
Psychology, Social, Smoking Cessation, Smoking (Tobacco) Addiction
Interventions
Growth Mindset, SmartQuit
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
398 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 6, 2018 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mindfulness Training for Smoking Cessation

NCT05440903
View directory record Official record
Conditions
Smoking Cessation
Interventions
Headspace, TEDTalk
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
213 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Motivating Quitline Use Among Smokers in Treatment for Substance Use Disorders

NCT01882673
View directory record Official record
Conditions
Smoking Cessation
Interventions
Brief Computer Motivational Interviewing for Smoking Cessation, Nutrition Control
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 20, 2016 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Psilocybin-facilitated Smoking Cessation Treatment: A Pilot Study

NCT01943994
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Psilocybin-assisted treatment, Nicotine Replacement Therapy (NRT)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 65 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2023
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Study of AZD8529 for Smoking Cessation in Female Smokers

NCT02401022
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
AZD8529
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 75 Years · Female only
Enrollment
214 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
9
States / cities
Encino, California • La Jolla, California • Los Alamitos, California + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2017 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Not applicable Interventional Results available

An Intervention to Reduce Second Hand Smoke Exposure Among Pediatric Emergency Patients

NCT02531594
View directory record Official record
Conditions
Smoking Cessation
Interventions
SBIRT, HHC
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Not listed
Enrollment
770 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 15, 2023 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Cognitive Remediation With D-Cycloserine

NCT01399866
View directory record Official record
Conditions
Smoking Cessation
Interventions
D-cycloserine, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Development of a Mindfulness-Based Treatment for the Reduction of Alcohol Use and Smoking Cessation

NCT03734666
View directory record Official record
Conditions
Tobacco Use, Alcohol Use, Unspecified
Interventions
Mindfulness Based Relapse Prevention - Smoking and Alcohol, Cognitive Behavioral Therapy
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 1, 2026, 4:22 PM EDT
Completed Not applicable Interventional Results available

A Test of Short and Long Term Naturalistic Outcomes of Smokers Who Sample Smokeless Tobacco

NCT01509586
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Potentially Reduced Exposure Product (PREP): a smokeless, spit-free tobacco product
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
19 Years and older
Enrollment
1,236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 12, 2023 · Synced Oct 1, 2026, 4:22 PM EDT