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ClinicalTrials.gov public records Last synced Sep 30, 2026, 4:36 PM EDT

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Showing 25–48 of 1,263 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cessation of Smoking Clear all
Withdrawn Phase 4 Interventional

Treating Schizophrenic Smokers: Effects on Craving, Cues and Withdrawal

NCT00781755
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
varenicline, Adaptation of Motivational Interviewing
Drug · Behavioral
Lead sponsor
VA Boston Healthcare System
Federal
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Brockton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 4, 2015 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Examination of Sleep, Smoking Cessation, and Cardiovascular Health

NCT02941718
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Sleep Advancement Counseling, General Health Information
Behavioral
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Aug 30, 2019 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Phase 1 Interventional

Concurrent vs. Sequential Cessation of Dual Cigarette and E-cigarette Use

NCT06027840
View directory record Official record
Conditions
Cigarette Smoking, E-Cigarette Use, Smoking Cessation
Interventions
Varenicline, Counseling, Guided Self-Change Booklets
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
19 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 Jun 8, 2026 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Phase 3 Interventional Results available

Providing Free Nicotine Patches to Quitline Smokers

NCT01736085
View directory record Official record
Conditions
Smoking Cessation
Interventions
Telephone counseling, Voucher, Nicotine patches
Behavioral · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
3,706 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 19, 2020 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Safety and Efficacy Study of the NRT CQSS2 System for Smoking Cessation in Treatment-Seeking Subjects

NCT03178422
View directory record Official record
Conditions
Smoking Cessation
Interventions
CQSS2, NicoDerm CQ Patch
Drug
Lead sponsor
Chrono Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
5
States / cities
Mobile, Alabama • Tempe, Arizona • Lexington, Kentucky + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Not applicable Interventional

Mindfulness Based Smoking Cessation Program

NCT02795312
View directory record Official record
Conditions
Cancer, Smoking Cessation
Interventions
Smoking Cessation Program
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Not applicable Interventional

Tobacco Cessation Via Doctors of Chiropractic

NCT00386945
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Brief counseling (Ask, Advise, Arrange)
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 26, 2011 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Not applicable Interventional Results available

Small Financial Incentives to Promote Smoking Cessation

NCT02737566
View directory record Official record
Conditions
Smoking Cessation
Interventions
Standard Care + Financial Incentives, Standard Care
Behavioral · Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Extended Self-Help for Smoking Cessation

NCT01352195
View directory record Official record
Conditions
Smoking Cessation
Interventions
Forever Free Booklets
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
2,124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 3, 2022 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Phase 3 Interventional

A Second Study of NicVAX/Placebo as an Aid for Smoking Cessation

NCT01102114
View directory record Official record
Conditions
Smoking Cessation
Interventions
NicVAX Vaccine, Placebo Vaccine
Biological
Lead sponsor
Nabi Biopharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
25
States / cities
Encino, California • Los Alamitos, California • Denver, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated May 9, 2012 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Phase 2 Interventional Results available

Varenicline and Smoking Cessation in Schizophrenia

NCT01111149
View directory record Official record
Conditions
Schizophrenia, Smoking Cessation
Interventions
Sugar Pill, Varenicline, Bupropion HCl
Other · Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 17, 2014 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Not applicable Interventional Results available

Electronic Proactive Outreach for Smokers With COPD

NCT04462289
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Smoking
Interventions
Proactive Outreach
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 22, 2025 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Not applicable Interventional Results available

Comparing Smoking Cessation Interventions Among Underserved Patients Referred for Lung Cancer Screening

NCT04798664
View directory record Official record
Conditions
Smoking Cessation
Interventions
Removal of Financial Barriers, Financial Incentives, Mobile Health Application
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
3,228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
5
States / cities
Oakland, California • Detroit, Michigan • Danville, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2026 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Not applicable Interventional Results available

Testing an Organizational Change Model to Address Smoking in Mental Healthcare

NCT02849652
View directory record Official record
Conditions
Nicotine Dependence
Interventions
ATTOC Intervention, UC Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 99 Years
Enrollment
832 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Not applicable Interventional

Indoor Air Quality and Respiratory Symptoms in Former Smokers

NCT02956213
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
HEPA portable air filter, Sham Control/Active Comparator
Other
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
40 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 13, 2019 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Evaluation of Deep Transcranial Magnetic Stimulation (DTMS) With the H-ADD Coil as an Aid to Smoking Cessation.

NCT02126124
View directory record Official record
Conditions
Smoking Cessation
Interventions
Sham Treatment, Active dTMS Treatment
Device
Lead sponsor
Brainsway
Industry
Eligibility
22 Years to 70 Years
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
14
States / cities
Los Angeles, California • San Diego, California • Denver, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2020 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Phase 2 Interventional Results available

Placebo-controlled Trial of Bupropion for Smoking Cessation in Pregnant Women

NCT02188459
View directory record Official record
Conditions
Smoking, Nicotine Dependence
Interventions
Bupropion
Drug
Lead sponsor
Henry Kranzler
Other
Eligibility
18 Years and older · Female only
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
3
States / cities
Newark, Delaware • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Phase 4 Interventional Results available

Improving the Population-Wide Effectiveness of U.S. Tobacco Cessation Quitlines

NCT01087905
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Nicotine patch, Nicotine gum, CMAC
Drug · Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
987 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Seattle, Washington • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 8, 2016 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Phase 4 Interventional Results available

Testing Integrative Smoking Cessation for HIV Patients

NCT05030766
View directory record Official record
Conditions
Smoking, Smoking Cessation, HIV Infections
Interventions
Nicotine Replacement Therapy, Mindfulness Training Smoking Cessation Intervention, Contingency Management Smoking Cessation Intervention
Drug · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Sep 30, 2026, 4:36 PM EDT
Not yet recruiting Not applicable Interventional

Smoking Cessation Intervention for Young Adults Using MTM: A Randomized Controlled Trial

NCT07104006
View directory record Official record
Conditions
Tobacco Use Disorder/Cigarette Smoking
Interventions
Multi-Theory Model (MTM)-Based Smoking Cessation Program
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 29 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Sep 30, 2026, 4:36 PM EDT
Terminated Phase 4 Interventional Results available

Pilot Study of Nicotine Nasal Spray and Varenicline on Smoking in Methadone-Maintained Patients

NCT02147132
View directory record Official record
Conditions
Cigarette Smoking, Methadone Maintenance
Interventions
Nicotine Nasal Spray, Varenicline, Placebo Nasal Spray, Placebo Varenicline
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 5, 2018 · Synced Sep 30, 2026, 4:36 PM EDT
Completed Not applicable Interventional

Using Machine Learning to Develop Just-in-Time Adaptive Interventions for Smoking Cessation

NCT04839198
View directory record Official record
Conditions
Smoking Cessation
Interventions
Android Wear smartwatch, Adaptive Treatment, Nicotine Patch, interviewing-based counseling
Behavioral · Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 28, 2025 · Synced Sep 30, 2026, 4:36 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Tobacco Cessation for Sexual Minorities

NCT03643679
View directory record Official record
Conditions
Smoking Cessation
Interventions
Kwit smartphone app
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 30 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced Sep 30, 2026, 4:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Translational Research Center in Lung Cancer Disparities (TRACER) Project 2

NCT05490251
View directory record Official record
Conditions
Smoking, Smoking Behaviors, Smoking Cessation, Stress Reaction
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Los Angeles, California • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 30, 2026, 4:36 PM EDT