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Showing 1–24 of 597 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Smoking counseling Clear all
Completed No phase listed Observational

Tobacco Assessment and Intervention With Low-Income Persons Living With HIV-AIDS (PLWHA) in Community-Based AIDS Service Organizations

NCT01482923
View directory record Official record
Conditions
Tobacco Cessation, HIV, AIDS
Interventions
Treatment as usual, AIR (Aspirations, Inspiration, Respiration)
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 3, 2019 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Phase 4 Interventional Results available

Post-Discharge Smoking Cessation Strategies: Helping HAND 4

NCT03603496
View directory record Official record
Conditions
Smoking Cessation
Interventions
Transitional Tobacco Care Management (TTCM), eReferral to State Tobacco Quitline (QL), Nicotine replacement therapy
Behavioral · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
1,416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
3
States / cities
Boston, Massachusetts • Pittsburgh, Pennsylvania • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Not applicable Interventional

Testing Methods of Self-persuasion Involving Cigarette Smoking

NCT02069483
View directory record Official record
Conditions
Smoking
Interventions
Motivational Interviewing, Tailored Feedback
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 25, 2014 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Smoking Cessation for American Indians

NCT01106456
View directory record Official record
Conditions
Smoking Cessation
Interventions
All Nations Breath of Life (ANBL), Nontailored program (NT), Pharmacotherapy
Behavioral · Drug
Lead sponsor
Won Choi, PhD, MPH
Other
Eligibility
18 Years and older
Enrollment
463 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
2
States / cities
Kansas City, Kansas • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Financial Incentives for Smoking Cessation Treatment Engagement

NCT04601870
View directory record Official record
Conditions
Quitting Smoking
Interventions
No Financial Incentive, Financial Incentive (100 dollars), Financial Incentive (50 dollars)
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 24, 2023 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Randomized Clinical Trial to Reduce Harm From Tobacco

NCT02328794
View directory record Official record
Conditions
Smoking Cessation
Interventions
E-cigarette free access, E-cigarette/NRT/Zyban/Chantix Choice, Outcome Incentive arm, Loss framing incentive arm, Control
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 99 Years
Enrollment
6,006 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 1, 2017 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ChoicesPlus: Reducing Alcohol- and Tobacco-Exposed Pregnancy

NCT01032772
View directory record Official record
Conditions
Alcohol Use, Smoking, Contraception
Interventions
Choices Plus, Information
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
261 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
2
States / cities
Houston, Texas • Pasadena, Texas
Source: ClinicalTrials.gov public record
Updated Nov 24, 2015 · Synced Sep 22, 2026, 11:02 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 Apr 30, 2019 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Community Intervention to Reduce Tobacco Use in Pregnant Women

NCT02083081
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Community level intervention
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
352 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Bethel, Alaska
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Phase 4 Interventional

Motivation Project: Testing Intervention Components for the Smoker Who is Unwilling to Quit

NCT02354872
View directory record Official record
Conditions
Smoking, Motivation, Smoking Cessation
Interventions
Nicotine Mini-Lozenge, Behavioral Reduction Counseling, 5Rs Motivation Counseling, Behavioral Activation Counseling, No Treatment
Drug · Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
577 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 21, 2020 · Synced Sep 22, 2026, 11:02 AM EDT
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, 11:02 AM 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, 11:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Researching the Youth Smoking Experience

NCT00156702
View directory record Official record
Conditions
Smoking
Interventions
Feedback and Motivational Interviewing, Smoking Prevention Video
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
12 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2006
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 7, 2013 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

E-cigarette Switching Older Adults

NCT06534905
View directory record Official record
Conditions
Tobacco Use, Opioid Use Disorder, Tobacco-Related Disorders
Interventions
E-cigarette, Control/Standard Advice
Other · Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
50 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Not applicable Interventional

Tobacco Cessation Via Doctors of Chiropractic

NCT00386945
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Brief counseling (Ask, Advise, Arrange)
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 25, 2011 · Synced Sep 22, 2026, 11:02 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Young Adult Tobacco/Nicotine and Cannabis Co-use

NCT06239350
View directory record Official record
Conditions
Tobacco Use Disorder, Nicotine Dependence
Interventions
Counseling, Contingency management, Text-based support
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 25 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 22, 2026, 11:02 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Prevention of Postpartum Smoking Relapse and Related Health Consequences by Breastfeeding Promotion

NCT07661550
View directory record Official record
Conditions
Smoking ( Cigarette), Breastfeeding
Interventions
Breastfeeding promotion, Attention placebo control
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older · Female only
Enrollment
280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2031
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Menstrual Phase and Smoking Cessation at a State Quitline

NCT03908320
View directory record Official record
Conditions
Menstrual Cycle
Interventions
Menstrual Cycle Timing, NRT Patch, Cessation Counseling
Other · Drug · Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 18, 2020 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Not applicable Interventional

Clinical Trial of an Automated Smartphone Based Smoking Cessation Treatment

NCT02930200
View directory record Official record
Conditions
Smoking Cessation
Interventions
Treatment as Usual, QuitGuide, Smart-T
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoking Cessation in Rural Hospitals

NCT01063972
View directory record Official record
Conditions
Smoking Cessation
Interventions
Centralized disease management (CDM), Counseling (C)
Behavioral
Lead sponsor
Edward Ellerbeck, MD, MPH
Other
Eligibility
18 Years and older
Enrollment
606 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 7, 2019 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Not applicable Interventional

Comparing Two Behavioral Approaches to Quitting Smoking in Mental Health Settings

NCT05030272
View directory record Official record
Conditions
Tobacco Use Disorder, Mental Illness, Recurring Major Depressive Disorder, Bipolar Disorder, Schizophrenia, Schizoaffective Disorder, Persistent Depressive Disorder
Interventions
Quit on the Go App (formerly "Learn to Quit " App), Brief advice, Nicotine patch, Smartphone coaching, Nicotine gum, Nicotine Lozenges
Device · Behavioral · Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
343 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Buffalo, New York • Durham, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Not applicable Interventional Results available

Post Acute Coronary Event Smoking Study

NCT01964898
View directory record Official record
Conditions
Smoking Cessation, Acute Coronary Syndrome
Interventions
Behavioral Activation (BA), Standard Smoking Cessation Counseling, Nicotine patch, Printed Self-help materials for Smoking Cessation
Behavioral · Drug · Other
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Not applicable Interventional

Preventing Smoking Relapse After Total Joint Replacement Surgery

NCT03673228
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Comprehensive Relapse Prevention Intervention, Standard Treatment Counseling, Nicotine Replacement Therapy (NRT)
Behavioral · Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 11, 2021 · Synced Sep 22, 2026, 11:02 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Development of Positive Psychotherapy for Smoking Cessation

NCT01451814
View directory record Official record
Conditions
Smoking
Interventions
Positive Psychotherapy for smoking cessation, Nicotine polacrilex, Relaxation training, Behavioral smoking cessation treatment
Behavioral · Drug
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Sep 22, 2026, 11:02 AM EDT