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Showing 1–24 of 103 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Telephone Quitline Clear all
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 28, 2026, 8:27 PM 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, Behavioral Counseling (Cognitive Behavioral Therapy, CBT), 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 Sep 29, 2025 · Synced Sep 28, 2026, 8:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Relapse-Prevention Booklets as an Adjunct to a Tobacco Telephone Helpline("Quitline")

NCT01352000
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smoking Cessation
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
3,830 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2016
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 22, 2017 · Synced Sep 28, 2026, 8:27 PM 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 28, 2026, 8:27 PM EDT
Completed Not applicable Interventional

Effectiveness of Smoking-cessation Interventions for Urban Hospital Patients

NCT01363245
View directory record Official record
Conditions
Smoking Cessation
Interventions
Telephone Counseling, Fax-to-quit
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
1,618 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 1, 2015 · Synced Sep 28, 2026, 8:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Interventions to Help More Low-income Smokers Quit

NCT04311983
View directory record Official record
Conditions
Tobacco Use Cessation, Smoking Behaviors, Health Disparity
Interventions
Tobacco Quitline, Smoke Free Home
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
21 Years and older
Enrollment
1,973 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Sep 28, 2026, 8:27 PM EDT
Completed Not applicable Interventional

An Intervention to Address Parental Smoking During the Postpartum Hospitalization.

NCT00844818
View directory record Official record
Conditions
Tobacco Use, Parental Smoking
Interventions
Telephone Quitline Enrollment
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 15, 2009 · Synced Sep 28, 2026, 8:27 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

My Path to Quit Tobacco

NCT07419425
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine patch, Quitline Counseling Phone Calls, Counseling Sessions, Pathways to Freedom, Monetary Incentive
Drug · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years and older
Enrollment
1,550 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
5
States / cities
Phoenix, Arizona • Indianapolis, Indiana • Kansas City, Kansas + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 28, 2026, 8:27 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effectiveness of a Web-Assisted Quitline for Smokeless Tobacco Users

NCT00820495
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Web + Phone, Web Only, Phone Only, Usual Care
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,683 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
San Diego, California • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 4, 2013 · Synced Sep 28, 2026, 8:27 PM EDT
Completed No phase listed Observational

Tobacco-Focused Patient Navigation to Address Barriers to Utilization of Community-Based Smoking Cessation Services in Primary Care

NCT01678118
View directory record Official record
Conditions
Minority Smokers
Interventions
Patient Navigator
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2021
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Sep 28, 2026, 8:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Combined Treatment for Tobacco and Alcohol Use in Puerto Rico

NCT00570804
View directory record Official record
Conditions
Smoking
Interventions
Telephone Counseling, Telephone Assessments
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
370 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced Sep 28, 2026, 8:27 PM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

App for Reducing Cravings to Smoke

NCT06088498
View directory record Official record
Conditions
Smoking
Interventions
Updating Existing Smartphone App, Quitline Services, Quitline Services and Smartphone App
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,051 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 28, 2026, 8:27 PM EDT
Completed Not applicable Interventional Results available

Worksite Phone Counseling for Smoking Cessation

NCT02730260
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nondirective smoking cessation coaching, Directive smoking cessation coaching
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
518 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 22, 2016 · Synced Sep 28, 2026, 8:27 PM EDT
Completed Not applicable Interventional

Text Messaging to Engage and Retain Veterans in Smoking Cessation Counseling

NCT03177265
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Text messaging prior to first counseling call, Text-to-Enhance, Mail Notice, Telephone Counseling
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
432 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
2
States / cities
San Diego, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 8, 2021 · Synced Sep 28, 2026, 8:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Emergency Department Telephone Quitline

NCT00394420
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Telephone Quitline
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 19, 2010 · Synced Sep 28, 2026, 8:27 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Pilot Study of the Learn, Connect, and Quit Mobile Application

NCT03978455
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Learn, Connect, and Quit Mobile Application
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 10, 2020 · Synced Sep 28, 2026, 8:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco Treatment Outreach to Reduce Disparities for Primary Care Populations

NCT01156610
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Tobacco Treatment
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
706 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 5, 2014 · Synced Sep 28, 2026, 8:27 PM EDT
Completed Not applicable Interventional

Comparative Effectiveness of Two Tobacco Cessation Interventions for Employees of Partners HealthCare, Inc.

NCT02601521
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Disorder
Interventions
Internal tobacco coach, External tobacco coach
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 23, 2021 · Synced Sep 28, 2026, 8:27 PM EDT
Completed Phase 3 Interventional

Telephone Counseling for Pregnant Smokers

NCT02144883
View directory record Official record
Conditions
Smoking
Interventions
Telephone counseling, Self-help materials
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
1,173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Sep 28, 2026, 8:27 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Research and Innovation to Stop E-cigarette/Vaping in Young Adults

NCT04974580
View directory record Official record
Conditions
Nicotine Dependence, E-Cig Use
Interventions
Nicotine patch, Phone Counseling, Digital Coaching
Drug · Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 24 Years
Enrollment
508 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 28, 2024 · Synced Sep 28, 2026, 8:27 PM EDT
Completed Not applicable Interventional Results available

Smoking Cessation for Cervical Cancer Survivors

NCT02157610
View directory record Official record
Conditions
Cervical Cancer, Tobacco Use, Smoking Cessation
Interventions
Self-Help Materials, Nicotine Patch, REDCap, Saliva Test, Telephone Counseling Sessions, Nicotine lozenge
Behavioral · Drug · Procedure
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
3
States / cities
Tampa, Florida • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 19, 2023 · Synced Sep 28, 2026, 8:27 PM 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 28, 2026, 8:27 PM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Health Literacy and Smoking Cessation in Low-SES Diverse Smokers - Project HALT II

NCT02942212
View directory record Official record
Conditions
Smoking Cessation
Interventions
Questionnaire, In-Depth Interviews, Breath Test, Nicotine Patches, Advice plus Phone Counseling, Advice plus Counseling Sessions, Self Assessment Questionnaires
Behavioral · Other · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
25 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced Sep 28, 2026, 8:27 PM 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 28, 2026, 8:27 PM EDT