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Showing 25–43 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Control Group: Quitline Clear all
Completed Not applicable Interventional Results available

Adapt2Quit - An Adaptive Motivational System for Socio-Economically Disadvantaged Smokers

NCT04720625
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Adapt2Quit, Control
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 99 Years
Enrollment
757 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Baltimore, Maryland • Springfield, Massachusetts • Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 25, 2026, 1:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changing Pediatric Office Systems Nationally to Address Parental Tobacco Use

NCT01882348
View directory record Official record
Conditions
Tobacco Dependence
Interventions
CEASE Intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
3,888 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 8, 2019 · Synced Sep 25, 2026, 1:10 AM 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 25, 2026, 1:10 AM EDT
Completed Not applicable Interventional Results available

Study Two on the Effectiveness of Mindfulness Training for Smokers

NCT01299909
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Integrated Training for Smokers, Mindfulness Training for Smokers, Quitline
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 26, 2019 · Synced Sep 25, 2026, 1:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Motivating Quitline Use Among Smokers in Treatment for Substance Use Disorders

NCT01882673
View directory record Official record
Conditions
Smoking Cessation
Interventions
Brief Computer Motivational Interviewing for Smoking Cessation, Nutrition Control
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 19, 2016 · Synced Sep 25, 2026, 1:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of Mobile Phone Support for the DC Tobacco Quitline

NCT01817842
View directory record Official record
Conditions
Smoking Cessation
Interventions
Mobile EX cessation support, DC Quitline Support, Device Control
Behavioral
Lead sponsor
Truth Initiative
Other
Eligibility
18 Years and older
Enrollment
803 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 25, 2013 · Synced Sep 25, 2026, 1:10 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Message Framing for Telephone Quitline Callers

NCT00589277
View directory record Official record
Conditions
Smoking, Nicotine Dependence
Interventions
Gain-Framed counseling & Gain-framed materials, Standard care counseling + standard materials
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
2,032 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 25, 2021 · Synced Sep 25, 2026, 1:10 AM EDT
Completed Phase 3 Interventional Results available

Optimizing Tobacco Dependence Treatment in the Emergency Department

NCT02896400
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Brief Negotiated Interview (BNI), Nicotine replacement therapy (NRT), CT Smokers Quitline (QL), SmokefreeText (Text)
Behavioral · Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
1,056 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Sep 25, 2026, 1:10 AM EDT
Terminated Phase 3 Interventional Results available

Management of Tobacco Treatment Intervention in Reducing Surgical Complications in Patients With Newly Diagnosed Lung Cancer Who Smoke Cigarettes

NCT02856581
View directory record Official record
Conditions
Lung Carcinoma
Interventions
Varenicline, Placebo, Tobacco Cessation Counseling
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
374
States / cities
Fairbanks, Alaska • Kingman, Arizona • Jonesboro, Arkansas + 236 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Sep 25, 2026, 1:10 AM 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 25, 2026, 1:10 AM 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 25, 2026, 1:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparative Effectiveness of Adding Weight Control to Smoking Cessation Quitlines

NCT01867983
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Sep 25, 2026, 1:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Connecting Alaska Native People to Quit Smoking

NCT03645941
View directory record Official record
Conditions
Tobacco Use, Tobacco Smoking, Tobacco Use Cessation, Smoking Cessation, Smoking, Cigarette, Smoking, Tobacco, Smoking
Interventions
Facebook Group
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
19 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 7, 2022 · Synced Sep 25, 2026, 1:10 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 5, 2026 · Synced Sep 25, 2026, 1:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Lung and Breast Cancer Prevention by an Integrated Intervention of Maternal Smoking Cessation and Breastfeeding

NCT05123118
View directory record Official record
Conditions
Smoking, Cigarette, Breastfeeding
Interventions
Integrated intervention of smoking cessation and breastfeeding, Attention placebo control
Behavioral
Lead sponsor
Xiaozhong Wen
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 16, 2025 · Synced Sep 25, 2026, 1:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of Biomarkers in Children to Help Parents Quit Tobacco

NCT04832659
View directory record Official record
Conditions
Tobacco Dependence
Interventions
CEASE, CEASE + BIO
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
865 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Sep 25, 2026, 1:10 AM EDT
Completed Phase 1 Interventional

Texting to Promote Tobacco Abstinence in Emergency Department Smokers: A Pilot Study

NCT02081144
View directory record Official record
Conditions
Smoking, Tobacco Abstinence
Interventions
Smokefree TXT Program, nicotine replacement patches, Nicotine Replacement Gum, Faxed Referral CT Smokers Quitline
Other · Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 4, 2020 · Synced Sep 25, 2026, 1:10 AM EDT
Not yet recruiting Not applicable Interventional

Contingency Management to Promote Smoking Cessation: A Pilot Randomized Clinical Trial

NCT07685899
View directory record Official record
Conditions
Smoking Cessation
Interventions
Health Rewards, Control
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 25, 2026, 1:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brief Computerized Feedback for Smokers in Recovery

NCT01325727
View directory record Official record
Conditions
Smoking
Interventions
Brief computerized feedback, Resources only (control)
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Midlothian, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 14, 2012 · Synced Sep 25, 2026, 1:10 AM EDT