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Showing 1–24 of 55 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Tobacco quit line Clear all
Completed Phase 2 Interventional Accepts healthy volunteers

Tobacco Cessation Via Public Health Dental Clinics

NCT00683839
View directory record Official record
Conditions
Smoking
Interventions
Brief tobacco counseling
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
2,637 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
3
States / cities
Jackson, Mississippi • New York, New York • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 25, 2011 · Synced Sep 24, 2026, 8:22 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Treating Adults at Risk for Weight Gain With Interactive Technology

NCT01199185
View directory record Official record
Conditions
Smoking, Body Weight
Interventions
Smoking Cessation, Smoking Cessation plus Weight Loss
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years to 35 Years
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 17, 2013 · Synced Sep 24, 2026, 8:22 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Helpers Program On-line Training on Smoking Relapse and Social Networks

NCT05641974
View directory record Official record
Conditions
Smoking, Cigarette Smoking
Interventions
Helpers Stay Quit Training
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 99 Years
Enrollment
940 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhancing the Efficacy of Smoking Quit Line in the Military (AFIII Renewal)

NCT02201810
View directory record Official record
Conditions
Initial Efficacy of Quit Line, Efficacy of Secondary Reengagement Intervention
Interventions
Rate reduction intervention, Recycling Group, Choice Group, Proactive QL
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
614 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Lackland Air Force Base, Texas
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional Results available

EHR-Based and Fax-Based Referral to a Tobacco Quitline: A Comparative Study

NCT02735382
View directory record Official record
Conditions
Tobacco Use Cessation, Tobacco Smoking
Interventions
Tobacco quitline EHR referral, Tobacco quitline Fax referral
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Not listed
Enrollment
14,930 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 2, 2019 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Phase 4 Interventional Results available

A Comparative Effectiveness RCT of Optimized Cessation Treatments

NCT02301403
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine patch, in-person counseling and quitline counseling, Preparation Nicotine Mini-Lozenges, Combination NRT (nicotine patch + nicotine mini-lozenges), Intensive In-Person Cessation Counseling, Extended Maintenance Counseling Calls, Automated Adherence Calls
Drug · Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
623 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Computer-Assisted Tobacco Interventions in Dental Offices

NCT01584882
View directory record Official record
Conditions
Smoking
Interventions
CATI Tool
Behavioral
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years to 100 Years
Enrollment
548 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Bloomington, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 22, 2023 · Synced Sep 24, 2026, 8:22 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Digitally Enhanced Smoking Cessation for High Risk Smokers

NCT04691297
View directory record Official record
Conditions
Smoking, Smoking Cessation, Lung Cancer Screening, Smoking, Tobacco, Smoking Behaviors
Interventions
Escape, Standard Care
Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
55 Years to 77 Years
Enrollment
153 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional Results available

Phone-Based Postpartum Continuing Care for Smoking Cessation

NCT01684592
View directory record Official record
Conditions
Smoking Cessation, Pregnancy
Interventions
Phone-based postpartum continuing care, Standard care
Behavioral
Lead sponsor
Battelle Memorial Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Bloomington, Illinois • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 12, 2018 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dentistry United to Extinguish Tobacco

NCT01615237
View directory record Official record
Conditions
Tobacco Use Treatment
Interventions
Audit and performance feedback (PF), Financial Incentive (P4P), Current Best Practices (CBP)
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
3,207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 14, 2019 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study of Novel Smoking Cessation Interventions in Current and Former Injection Drug Users

NCT01334736
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Usual care, Lung age, Contingency Management, Lung age + Contingency Management
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional

Healthy Hearts in the Heartland

NCT02598284
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Point of Care, Population Management
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 89 Years
Enrollment
226 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
5
States / cities
Chicago, Illinois • DeKalb, Illinois • Oak Brook, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2019 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional

Effectiveness of an Integrated Treatment to Address Smoking Cessation and Anxiety/ Depression in People Living With HIV

NCT03904186
View directory record Official record
Conditions
Human Immunodeficiency Virus, Smoking Cessation, Smoking, Cigarette, Smoking, Anxiety, Depression, Nicotine Dependence
Interventions
QUIT, Time-Matched Control (TM)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 79 Years
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
3
States / cities
Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco Quit Line Re-enrollments for the Underserved

NCT01260597
View directory record Official record
Conditions
Smoking
Interventions
IVR intervention, IVR control
Behavioral
Lead sponsor
Consumer Wellness Solutions
Industry
Eligibility
18 Years and older
Enrollment
2,985 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 10, 2015 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional

Effectiveness of an Enhanced Tobacco Intervention Protocol Compared to Standard Treatment in Helping Head and Neck and Lung Cancer Patients Starting Treatment to Reduce Cigarette Use

NCT04694846
View directory record Official record
Conditions
Lung Non-Small Cell Carcinoma, Head and Neck Squamous Cell Carcinoma
Interventions
Nicotine Replacement, Bupropion Hydrochloride Controlled-release, Varenicline, Tobacco Cessation Counseling, Questionnaire Administration, Quality of Life Assessment, Best Practice
Drug · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional Results available

Strategies to Connect Patients at Federally Qualified Health Clinics With Evidence Based Tobacco Cessation Treatment

NCT03900767
View directory record Official record
Conditions
Current Smoker, Tobacco Smoking, Tobacco Use
Interventions
Ask-Advise-Connect (AAC), Text Messaging (TM), Motivation And Problem-Solving (MAPS), Quitline
Other · Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
12,009 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Phase 2 Interventional

Tobacco Quitlines:Adjunct to Dental Office Tobacco Intervention

NCT00384254
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
5 A, 3 A
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
2,177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Oct 25, 2011 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional Results available

Trial on the Effectiveness of Mindfulness Training for Smokers

NCT01093599
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Quit Line plus MTS, Quit Line Only
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 19, 2015 · Synced Sep 24, 2026, 8:22 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 24, 2026, 8:22 AM EDT
Not yet recruiting Not applicable Interventional

Abstinence Reinforcement Therapy for Veterans Who Smoke Tobacco and Are Experiencing Homelessness

NCT07714200
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Cognitive Behavioral Therapy for Smoking Cessation, Nicotine Replacement Therapy, Bupropion, Varenicline, Mobile Contingency Management, Clinic-Based Smoking Cessation Counseling
Behavioral · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 24, 2026, 8:22 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Optimizing Technology-Delivered Interventions for Smoking in Pregnancy: The Mommy Check-Up Study.

NCT02340624
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Referral to SmokeFreeMoms, Quitline or Brief intervention
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 15, 2015 · Synced Sep 24, 2026, 8:22 AM EDT
Not listed Not applicable Interventional

Smoking Cessation Following Psychiatric Hospitalization

NCT02204956
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Sustained Care, Usual Care
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older
Enrollment
422 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 10, 2018 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Breathe 2 Project 3: Comprehensive Chronic Care

NCT05382221
View directory record Official record
Conditions
Smoking Cessation, Smoking Abstinence
Interventions
Comprehensive Chronic Care, Standard Care
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
979 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Sep 24, 2026, 8:22 AM EDT
Completed Not applicable Interventional Results available

Pilot Testing a Digital Intervention to Improve Smoking Cessation in Persons With Serious Mental Illness

NCT04367506
View directory record Official record
Conditions
Tobacco Cessation
Interventions
BecomeAnEX, Usual Care
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 24, 2026, 8:22 AM EDT