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Showing 1–24 of 67 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Smoking Cessation Counselling Clear all
Completed Phase 2Phase 3 Interventional Results available

Pharmacogenetics, Emotional Reactivity and Smoking

NCT00507728
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking Cessation
Interventions
Bupropion, Varenicline, Placebo, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
646 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced Sep 22, 2026, 5:50 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Project Impact 2: A Culturally Tailored Smoking Cessation Intervention for Latino Smokers

NCT02596711
View directory record Official record
Conditions
Tobacco Use Cessation, Cancer Prevention
Interventions
Nicotine Patch, Questionnaires, Carbon Monoxide (CO) Test, Health Education and Handouts, Culturally Tailored Reading Materials, Counseling Sessions
Drug · Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced Sep 22, 2026, 5:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

PROS Brief Smoking Cessation Counseling in Pediatric Practice to Reduce Secondhand Smoke Exposure of Young Children

NCT00135213
View directory record Official record
Conditions
Health Care Quality, Access, and Evaluation, Smoking Cessation
Interventions
training in smoking cessation
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 2, 2008 · Synced Sep 22, 2026, 5:50 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 22, 2026, 5:50 PM EDT
Not yet recruiting Not applicable Interventional

Quit-Smoking Study for Native Hawaiians

NCT07075575
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking Cessation
Interventions
Nicotine Polacrilex Gum (2 mg), Cognitive Behavioral Group Therapy (CBGT)
Drug · Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years to 80 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 22, 2026, 5:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Jail-Based Use of Smoking Cessation Treatment Study

NCT03799315
View directory record Official record
Conditions
Tobacco Use
Interventions
Nicotine Replacement Therapy, Counseling
Drug · Behavioral
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years to 64 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 13, 2020 · Synced Sep 22, 2026, 5:50 PM EDT
Completed Phase 4 Interventional Results available

Integrating Financial Management Counseling and Smoking Cessation Counseling to Reduce Health and Economic Disparities in Low-Income Immigrants

NCT03187730
View directory record Official record
Conditions
Smoking Cessation
Interventions
Integrated Smoking Cessation and Financial Counseling, Waitlist Integrated Smoking Cessation and Financial Counseling, Nicotine Replacement Therapy (NRT)
Behavioral · Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 17, 2021 · Synced Sep 22, 2026, 5:50 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Testing Counseling Styles to Motivate Smokers to Quit

NCT01188018
View directory record Official record
Conditions
Smoking, Tobacco Use, Nicotine Dependence
Interventions
Brief Advice (BA), Motivational Interviewing (MI), Health Education (HE)
Behavioral
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 3, 2012 · Synced Sep 22, 2026, 5:50 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Bupropion for Smoking Cessation in Pregnancy

NCT01875172
View directory record Official record
Conditions
Smoking Cessation, Pregnancy
Interventions
Bupropion SR, placebo, smoking cessation counseling
Drug · Behavioral
Lead sponsor
Watching Over Mothers & Babies Foundation
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 10, 2013 · Synced Sep 22, 2026, 5:50 PM EDT
Completed No phase listed Observational Results available

Evaluation of Peer Telephone Cessation Counseling for Smokers

NCT01359371
View directory record Official record
Conditions
Smoking
Interventions
Peer telephone cessation counseling
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 15, 2020 · Synced Sep 22, 2026, 5:50 PM EDT
Completed Not applicable Interventional

Bupropion and Counseling With or Without Contingency Management to Enhance Smoking Cessation in Treating Cancer Survivors Who Continue to Smoke

NCT00079469
View directory record Official record
Conditions
Cancer Survivor, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
smoking cessation intervention, bupropion hydrochloride
Behavioral · Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 7, 2012 · Synced Sep 22, 2026, 5:50 PM 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 22, 2026, 5:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Randomized Trial of Internet Access to Nicotine Patches

NCT00534404
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use Disorder
Interventions
Nicotine patches, Telephone counseling, iQuit Smoking website
Drug · Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
2,485 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 2, 2015 · Synced Sep 22, 2026, 5:50 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating the Impact of CONNECT in a Multilingual Population

NCT07111936
View directory record Official record
Conditions
Smoking Cessation, Smoking Cessation Counseling Ability and Practice, Smoking Cessation Counselling, Lung Cancer Screening
Interventions
CONNECT Intervention for multilingual populations, Saliva Sample, Interview
Behavioral · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
50 Years to 80 Years
Enrollment
439 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 22, 2026, 5:50 PM EDT
Completed Not applicable Interventional Results available

Proactive Tobacco Treatment for Veterans

NCT00608426
View directory record Official record
Conditions
Smoking Cessation, Smoking Tobacco
Interventions
Proactive Outreach with choice of telephone or in-person smoking cessation services
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 80 Years
Enrollment
6,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
5
States / cities
Tampa, Florida • Minneapolis, Minnesota • Jackson, Mississippi + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2015 · Synced Sep 22, 2026, 5:50 PM EDT
Completed Phase 3 Interventional

Hutchinson Study of High School Smoking

NCT00115882
View directory record Official record
Conditions
Smoking Cessation
Interventions
MI + CBST
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
16 Years to 20 Years
Enrollment
2,151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 23, 2016 · Synced Sep 22, 2026, 5:50 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 22, 2026, 5:50 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Bupropion SR Plus Counseling for Smoking Cessation

NCT01621009
View directory record Official record
Conditions
Tobacco Dependence, Smoking
Interventions
Active bupropion + counseling, Active bupropion, No counseling, Placebo medication + counseling, Placebo medication, No counseling
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
463 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2003
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 26, 2016 · Synced Sep 22, 2026, 5:50 PM EDT
Completed Not applicable Interventional Results available

Kids Safe and Smokefree (KiSS)

NCT01745393
View directory record Official record
Conditions
Second Hand Tobacco Smoke, Nicotine Dependence
Interventions
Clinic Quality Improvement + Behavioral Counseling, Clinic Quality Improvement + Attention Control
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years and older
Enrollment
327 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
4
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 7, 2018 · Synced Sep 22, 2026, 5:50 PM EDT
Completed Not applicable Interventional

Internet and Telephone Counseling for Smoking Cessation

NCT00282009
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
Basic Internet, Enhanced Internet, Enhanced Internet + phone
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 90 Years
Enrollment
2,205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2015
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 9, 2016 · Synced Sep 22, 2026, 5:50 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Chiropractic Treatment With Counseling Versus Counseling Alone for Promoting Smoking Cessation

NCT01689168
View directory record Official record
Conditions
Smoking
Interventions
Counseling, Chiropractic adjustment
Behavioral · Procedure
Lead sponsor
Southern California University of Health Sciences
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Whittier, California
Source: ClinicalTrials.gov public record
Updated May 19, 2015 · Synced Sep 22, 2026, 5:50 PM EDT
Recruiting Not applicable Interventional

Adapting an Intervention for Vaping in Young Veterans

NCT06196489
View directory record Official record
Conditions
E Cigarette Use
Interventions
adapted vaping cessation intervention
Behavioral
Lead sponsor
Veterans Medical Research Foundation
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Sep 22, 2026, 5:50 PM EDT
Completed Phase 3 Interventional Results available

Telephone Counseling and the Distribution of Nicotine Patches to Smokers

NCT00851357
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Sep 22, 2026, 5:50 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Intervention for Support Persons to Help Smokers Quit

NCT00379054
View directory record Official record
Conditions
Smoking Cessation
Interventions
telephone based skills training intervention
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 21, 2010 · Synced Sep 22, 2026, 5:50 PM EDT