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ClinicalTrials.gov public records Last synced Oct 18, 2026, 12:34 AM EDT

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Showing 1–24 of 58 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Quitline Support Clear all
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 10, 2024 · Synced Oct 18, 2026, 12:34 AM EDT
Recruiting Not applicable Interventional

Refer2Quit: Evaluating a Proactive, Tailored, Population Health Approach for Tobacco Treatment for Household Smokers Through a Pediatric Care Network

NCT06582693
View directory record Official record
Conditions
Smoking, Smoking Cessation, Second Hand Tobacco Smoke
Interventions
Refer2Quit
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years and older
Enrollment
3,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 18, 2026, 12:34 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Beyond the Lung Cancer Diagnosis: Leveraging the Oncology Clinic Setting for Actively Smoking Family Members

NCT03966807
View directory record Official record
Conditions
Lung Cancer
Interventions
Digital-based support, Traditional-based support + Nicotine replacement therapy (NRT)
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Oct 18, 2026, 12:34 AM EDT
Completed Not applicable Interventional Results available

Mindfulness-based Smoking Cessation Enhanced With Mobile Technology

NCT04965181
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Mindfulness-Based Addiction Treatment, Nicotine Replacement Therapy, Self-help materials, iQuit Mindfully
Behavioral · Drug
Lead sponsor
Georgia State University
Other
Eligibility
18 Years and older
Enrollment
504 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 18, 2026, 12:34 AM 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 31, 2026 · Synced Oct 18, 2026, 12:34 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 15, 2019 · Synced Oct 18, 2026, 12:34 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

mHealth for Smoking Cessation in Public Housing

NCT04657250
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smoking cessation + quitline linkage text messages, Passive quitline referral
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Oct 18, 2026, 12:34 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Ask Advise Connect (AAC) Harris Heath CPRIT

NCT01788787
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Quitline-Delivered Proactive Telephone Counseling, Follow-Up Phone Call, Smoking Cessation Training, Qualitative Interviews Concerning the Implementation of AAC
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
5,212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2049
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 28, 2019 · Synced Oct 18, 2026, 12:34 AM EDT
Recruiting Not applicable Interventional

Pain and Smoking Study 2.0: A Randomized Clinical Trial of Smoking Cessation Among Veterans With Chronic Pain

NCT06442514
View directory record Official record
Conditions
Smoking, Pain, Smoking Cessation
Interventions
PASS2, Treatment as Usual
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 18, 2026, 12:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhancing Smoker Utilization of the Minnesota Quitline Through Support Persons

NCT01311830
View directory record Official record
Conditions
Tobacco Use
Interventions
Telephone Counseling, Written Materials
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
534 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 23, 2011 · Synced Oct 18, 2026, 12:34 AM 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 11, 2026 · Synced Oct 18, 2026, 12:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intervention Study to Increase Smoking Cessation Rates Among Public Housing Residents

NCT01651611
View directory record Official record
Conditions
Tobacco Cessation
Interventions
Motivational interviewing, Smoking cessation counseling, Navigation to smoking cessation resources, Social support
Behavioral
Lead sponsor
Boston University
Other
Eligibility
18 Years to 79 Years
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 29, 2016 · Synced Oct 18, 2026, 12:34 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 18, 2026, 12:34 AM 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 May 1, 2019 · Synced Oct 18, 2026, 12:34 AM 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 23, 2026 · Synced Oct 18, 2026, 12:34 AM EDT
Completed Phase 4 Interventional Results available

Health Systems Reach Interventions Project

NCT04199117
View directory record Official record
Conditions
Smoking, Cigarette, Smoking Cessation
Interventions
Varenicline, Combination nicotine patch and nicotine mini-lozenge treatment, Monetary incentives for initiating treatment, Automated tailored outreach, Care management, Wisconsin Tobacco Quit Line referral, Primary care provider referral, Untailored outreach, Multiple smoking cessation coaching calls
Drug · Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 18, 2026, 12:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Parent eReferral to Tobacco Quitline

NCT02997735
View directory record Official record
Conditions
Secondhand Smoke
Interventions
Quitline Delivered Treatment
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years and older
Enrollment
484 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 28, 2019 · Synced Oct 18, 2026, 12:34 AM EDT
Completed Not applicable Interventional Results available

Tech and Telephone Smoking Cessation Treatment for Young Veterans With PTSD

NCT03552978
View directory record Official record
Conditions
Smoking Cessation
Interventions
Tech-Facilitated IC Intervention, VA Quitline
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 45 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Oct 18, 2026, 12:34 AM EDT
Completed Phase 4 Interventional Results available

Effectiveness of a Smoking Cessation Algorithm Integrated Into HIV Primary Care

NCT03670316
View directory record Official record
Conditions
HIV, AIDS, Smoking Cessation
Interventions
Algorithm Treatment, Quitline only
Drug · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 18, 2026, 12:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Helping Poor Smokers Quit

NCT03194958
View directory record Official record
Conditions
Smoking Cessation, Smoking, Tobacco, Smoking, Cigarette, Smoking, Pipe, Smoking (Tobacco) Addiction, Smoking, Tobacco Use, Tobacco Dependence, Tobacco Use Cessation, Tobacco Smoking, Tobacco; Use, Rehabilitation, Nicotine Dependence, Nicotine Use Disorder, Nicotine Dependence, Cigarettes, Nicotine Dependence Tobacco Product
Interventions
Specialized Quitline, Basic Needs Navigator
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
1,944 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 26, 2023 · Synced Oct 18, 2026, 12:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Implementing a Virtual Tobacco Treatment for Cancer Patients in Community Oncology Practices

NCT03808818
View directory record Official record
Conditions
Carcinoma In Situ, Current Smoker, Malignant Neoplasm, Primary Neoplasm, Recurrent Neoplasm, Smoking Cessation
Interventions
Behavioral, Psychological or Informational Intervention, Nicotine Replacement, Quality-of-Life Assessment, Survey Administration, Tobacco Cessation Counseling
Other · Drug
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Eligibility
18 Years and older
Enrollment
306 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
42
States / cities
Anchorage, Alaska • Atlanta, Georgia • Augusta, Georgia + 32 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Oct 18, 2026, 12:34 AM EDT
Completed Phase 4 Interventional Results available

BREATHE 2 Clinic Stop-Smoking Treatment Outreach Study

NCT05683821
View directory record Official record
Conditions
Quitting Smoking, Smoking Cessation, Smoking, Cigarette
Interventions
Text message smoking treatment, Nicotine replacement therapy sampling, Wisconsin Tobacco QuitLine Referral, Referral to Primary Care Provider, BREATHE 2 Cessation Study, Additional modalities to learn about and request treatment
Behavioral · Drug · Combination Product
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
12,376 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 18, 2026, 12:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco Cessation Intervention

NCT03657511
View directory record Official record
Conditions
Smoking Tobacco
Interventions
Educational Interventions to Promote Tobacco Cessation
Behavioral
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
21 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 6, 2022 · Synced Oct 18, 2026, 12:34 AM EDT
Not listed Not applicable Interventional

Intervening to Promote Tobacco Cessation Following Psychiatric Hospitalization

NCT05672914
View directory record Official record
Conditions
Smoking Cessation
Interventions
Tablet-based sustained care
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 18, 2026, 12:34 AM EDT