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ClinicalTrials.gov public records Last synced Nov 15, 2026, 3:45 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 103 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Telephone Quitline Clear all

Conditions: Smoking Cessation, Food Insecurity
Interventions: Quitline Information with Reinforcement; Behavioral
Lead sponsor: Case Western Reserve University; Other
Eligibility: 21 Years and older
Enrollment: 24 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022
U.S. locations: 1
States / cities: Cleveland, Ohio

Conditions: Smoking Cessation, Alcohol Use
Interventions: Mindfulness-Based Relapse Prevention for Smoking and Alcohol (MBRP-SA), Quitline Support; Behavioral
Lead sponsor: H. Lee Moffitt Cancer Center and Research Institute; Other
Eligibility: 18 Years and older
Enrollment: 600 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2029
U.S. locations: 1
States / cities: Tampa, Florida

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

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

Conditions: Tobacco Dependence
Interventions: Standard brief advice, Quitline intervention; Behavioral
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years and older
Enrollment: 300 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2011
U.S. locations: 1
States / cities: Rochester, Minnesota

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

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

Conditions: Cigarette Smoking, Overweight, Obesity
Interventions: Weight gain prevention and smoking cessation, Smoking cessation; Behavioral
Lead sponsor: Consumer Wellness Solutions; Industry
Eligibility: 18 Years and older
Enrollment: 2,540 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2016
U.S. locations: 1
States / cities: Seattle, Washington

Conditions: Smoking Cessation
Interventions: Quitline Service + 10 automated monitoring calls, Quitline service + 20 automated monitoring calls; Behavioral
Lead sponsor: Indiana University; Other
Eligibility: 18 Years and older
Enrollment: 1,785 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2014
U.S. locations: 1
States / cities: Seattle, Washington

Conditions: Tobacco Cessation
Interventions: Telephone counseling 1 session, Mobile texting, Health incentive; Behavioral
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years and older
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2019
U.S. locations: 1
States / cities: Rochester, Minnesota

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

Conditions: Smoking Cessation
Interventions: Nicotine Patch, Telephone Counseling, Placebo, Self-Help Materials; Drug · Behavioral · Other
Lead sponsor: University of California, San Diego; Other
Eligibility: 18 Years and older
Enrollment: 4,200 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2011
U.S. locations: 1
States / cities: San Diego, California

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

Conditions: Tobacco Use, Cancer
Interventions: Intensive Tobacco Treatment; Behavioral
Lead sponsor: Dartmouth-Hitchcock Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 2 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2024
U.S. locations: 1
States / cities: Lebanon, New Hampshire

Conditions: Limited Stage Small Cell Lung Cancer, Recurrent Small Cell Lung Cancer, Stage IA Non-small Cell Lung Cancer, Stage IB Non-small Cell Lung Cancer, Stage IIA Non-small Cell Lung Cancer, Stage IIB Non-small Cell Lung Cancer, Stage IIIA Non-small Cell Lung Cancer, Stage IIIB Non-small Cell Lung Cancer, Tobacco Use Disorder
Interventions: questionnaire administration, quality-of-life assessment, counseling intervention, internet-based intervention, telephone-based intervention, educational intervention, nicotine replacement therapy; Other · Procedure · Behavioral + 1 more
Lead sponsor: Wake Forest University Health Sciences; Other
Eligibility: 18 Years and older
Enrollment: 6 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2012
U.S. locations: 1
States / cities: Winston-Salem, North Carolina

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

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

Conditions: Smoking Cessation, Smoking, Nicotine Dependence
Interventions: CIS - telephone cessation quitline counseling, Lozenge - nicotine mini-lozenges, Emails - Brief smoking prevention messages, Full website - standard smokefree.gov website content, Lite website - lite version of smokefree.gov, Full mailed booklet - NCI's detailed 36-page quit guide, brief mailed booklet - smaller version of NCI's booklet; Other
Lead sponsor: University of Wisconsin, Madison; Other
Eligibility: 18 Years and older
Enrollment: 1,034 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2013
U.S. locations: 1
States / cities: Madison, Wisconsin

Conditions: Smoking Cessation, Substance-Related Disorders
Interventions: Varenicline, Placebo; Drug
Lead sponsor: Albert Einstein College of Medicine; Other
Eligibility: 18 Years and older
Enrollment: 112 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2011
U.S. locations: 1
States / cities: The Bronx, New York

Conditions: Tobacco Use Cessation
Interventions: Nicotine lozenge, Nicotine gum, Nicotine patch, Maryland Quitline, John Hopkins Tobacco Treatment Clinic; Drug · Other
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years and older
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2023
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Tobacco Smoking, Psychiatric Disorder, Psychiatric Hospitalization
Interventions: Acceptance and Commitment Therapy, Enhanced Usual Care; Behavioral
Lead sponsor: The Miriam Hospital; Other
Eligibility: 18 Years and older
Enrollment: 17 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019
U.S. locations: 1
States / cities: Providence, Rhode Island

Conditions: Tobacco Use Disorder, Substance Use Disorder
Interventions: Focus Group, Contingency Management (CM), 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

Conditions: Smoking Cessation
Interventions: Telephone Counseling, Self-Help Materials; Behavioral
Lead sponsor: University of California, San Diego; Other
Eligibility: 18 Years to 75 Years
Enrollment: 2,277 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2008
U.S. locations: 1
States / cities: San Diego, California

Conditions: Smoking, Lung Cancer
Interventions: Telephone Counseling, Minimal Treatment; Behavioral
Lead sponsor: Georgetown University; Other
Eligibility: 55 Years to 80 Years
Enrollment: 95 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2014 – 2016
U.S. locations: 3
States / cities: Washington D.C., District of Columbia • Burlington, Massachusetts • Hackensack, New Jersey

Search by objective public record fields.

An Intervention to Promote Use of Smoking Cessation Resources Among Adults Using Community Food Pantries

Testing an MBI for Smoking Cessation and Alcohol Use Among Cancer Survivors

Effectiveness of a Web-Assisted Quitline for Smokeless Tobacco Users

Digitally Enhanced Smoking Cessation for High Risk Smokers

Quitline Use in Surgical Patients

Combined Treatment for Tobacco and Alcohol Use in Puerto Rico

Parent eReferral to Tobacco Quitline

Comparative Effectiveness of Adding Weight Control to Smoking Cessation Quitlines

Technology-Enhanced Quitline Services to Prevent Smoking Relapse

Support Person Intervention to Promote a Smoking Helpline Among Under Resourced Smokers

Effectiveness of a Smoking Cessation Algorithm Integrated Into HIV Primary Care

Telephone Counseling and the Distribution of Nicotine Patches to Smokers

Worksite Phone Counseling for Smoking Cessation

CORE: CO Monitoring for Reach and Efficacy in Tobacco Treatment for Cancer Patients

Enhanced Quitline Intervention in Smoking Cessation for Patients With Non-Metastatic Lung Cancer

Effectiveness of Smoking-cessation Interventions for Urban Hospital Patients

Telephone Counseling for Pregnant Smokers

Evaluation of National Cancer Institute (NCI) Smoking Intervention Resources

Smoking Cessation Treatment for Methadone Maintenance Patients

Inpatient Smoking Cessation Pilot Program

Acceptance and Commitment Therapy for Tobacco Cessation Among Psychiatric Partial Hospital Patients

Smoking Cessation CM for Veterans With or at Risk for Cancer

Smokers' Quitline for Asian Language Speakers

Lombardi Comprehensive Cancer Center/Legacy Pilot Study to Reduce Adverse Smoking Outcomes in the Context of Lung Cancer Screening