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ClinicalTrials.gov public records Last synced Sep 30, 2026, 9:09 AM EDT

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Showing 1–24 of 84 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Brief advice on quitting smoking Clear all
Completed Phase 4 Interventional Results available

A Text Messaging Program for Smokers in Primary Care

NCT03174158
View directory record Official record
Conditions
Smoking Cessation
Interventions
Mailed nicotine replacement therapy, Text messaging, Brief advice
Drug · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 7, 2020 · Synced Sep 30, 2026, 9:09 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 26, 2011 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

mHealth to Enhance & Sustain Drug Use Reduction of the QUIT BI in Primary Care

NCT04935606
View directory record Official record
Conditions
Drug Use
Interventions
Usual Care, QUIT Intervention (doctor brief advice, video doctor, health coaching sessions at 2- and 6-weeks), QUIT-Mobile (QUIT Intervention plus weekly mobile-web app or text message weekly self-monitoring, automated feedback over 12 months)
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
457 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
5
States / cities
Long Beach, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Not applicable Interventional Results available

Contingency Management for Smoking in Substance Abusers

NCT00807742
View directory record Official record
Conditions
Substance Abuse
Interventions
Nicotine Replacement Treatment (NRT), Brief Advice, Contingency Management, Non-Contingent Reinforcement
Drug · Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 23, 2019 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Maintaining Abstinence in Chronic Cigarette Smokers - 1

NCT00087880
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Bupropion and NRT
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
407 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Sep 30, 2026, 9:09 AM EDT
Active, not recruiting Not applicable Interventional

A Future Thinking Intervention for Comorbid Tobacco Use Disorder and Bipolar Disorder

NCT06609902
View directory record Official record
Conditions
Bipolar Disorder, Tobacco Use Disorder
Interventions
Future Self-BD, Daily Check-Ins
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Not applicable Interventional

Smoking Cessation for Low-Income Pregnant Women

NCT02211430
View directory record Official record
Conditions
Pregnancy, Smoking
Interventions
Cognitive-Behavioral Counseling (CBC), Best Practice (BC) Control
Behavioral
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
277 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 7, 2014 · Synced Sep 30, 2026, 9:09 AM EDT
Recruiting Not applicable Interventional

Contingency Management for Veteran Smokers Undergoing Major Elective Surgery

NCT06678672
View directory record Official record
Conditions
Tobacco Use Disorder, Substance Use Disorder (SUD)
Interventions
Contingency Management (CM), Treatment as Usual (TAU)
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Strategies to Promote Cessation in Smokers Who Are Not Ready To Quit

NCT02905656
View directory record Official record
Conditions
Smoking Cessation
Interventions
Brief Advice, Motivational Interviewing, Rate Reduction, Pharmacological, MI+RR
Behavioral · Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
903 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 1, 2024 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Maintaining Nonsmoking

NCT01162239
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Initial Individual counseling, Check-ins with medical staff, Extended Individual Counseling - Health Model, Extended Individual Counseling - Relapse Prevention Model
Drug · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Sep 30, 2026, 9:09 AM EDT
Recruiting Not applicable Interventional

Optimizing Tobacco Treatment Delivery for People Living With HIV

NCT05019495
View directory record Official record
Conditions
Hiv, Smoking, Cigarette
Interventions
PrOMOTE
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Incentivized Smoking Cessation for Diabetics

NCT03527667
View directory record Official record
Conditions
Smoking Cessation, Diabetes Mellitus, Type 2
Interventions
Financial incentives
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 6, 2019 · Synced Sep 30, 2026, 9:09 AM EDT
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 4, 2019 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Phase 4 Interventional Results available

Identifying Optimal Smoking Cessation Intervention Components (Cessation)

NCT01116986
View directory record Official record
Conditions
Smoking, Smoking Cessation, Nicotine Dependence
Interventions
Counseling before quit attempt, Minimal In-person counseling during quit attempt, Intensive in-person counseling during the quit attempt, Minimal phone counseling during the quit attempt, Intensive phone counseling during the quit attempt, Long Term Nicotine Patch+ Nicotine Gum During Quit Attempt, Short Term Nicotine Patch + Nicotine Gum during the quit attempt, Pre-Quit Nicotine Gum, Pre-Quit Nicotine Patch, Pre-Quit Nicotine Patch + Pre-Quit Nicotine Gum
Behavioral · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
637 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 11, 2015 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoke-free Home Intervention in Permanent Supportive Housing

NCT04855357
View directory record Official record
Conditions
Smoking Cessation, Second Hand Tobacco Smoke
Interventions
Resident counselling, Staff Training
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
452 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Sep 30, 2026, 9:09 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Comparison of Conservative and Aggressive Smoking Cessation Treatment Strategies in a Vascular Surgery Office Practice

NCT01850589
View directory record Official record
Conditions
Smoking Cessation
Interventions
Aggressive Therapy
Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Staten Island, New York
Source: ClinicalTrials.gov public record
Updated Aug 3, 2015 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Phase 4 Interventional Results available

Engagement With an Adaptive Mobile Health Smoking Cessation Intervention

NCT04020718
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Brief telephone advice plus tailored text messages, Mailed nicotine replacement therapy, Proactive telephone coaching
Behavioral · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 10, 2022 · Synced Sep 30, 2026, 9:09 AM EDT
Recruiting Phase 3 Interventional

V+PSF-M for Tobacco Cessation in HIV Care in India

NCT05786547
View directory record Official record
Conditions
Human Immunodeficiency Virus, Smoking Cessation, Smoking, Tobacco
Interventions
Varenicline, Positively Smoke Free Mobile (PSF-M), Standard Care
Drug · Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 15, 2025 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Computer-Assisted Tobacco Interventions in Dental Offices

NCT01584882
View directory record Official record
Conditions
Smoking
Interventions
CATI Tool
Behavioral
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years to 100 Years
Enrollment
548 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Bloomington, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 23, 2023 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Phase 2 Interventional

Brief Intervention to Prevent Poor Psychosocial Outcomes in Living Donors

NCT01233700
View directory record Official record
Conditions
Living Donation
Interventions
Motivational Interviewing, Healthy Lifestyles Education
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Not applicable Interventional

Project HEALS (Helping and Empowering pAtients for Living a Life Smoke-free

NCT05362318
View directory record Official record
Conditions
Smoking, Tobacco Use, Lung Cancer
Interventions
Nicotine patch and lozenges, Telephone counseling sessions, Access to a web-based video, Florida Tobacco Quitline
Drug · Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Not applicable Interventional Results available

Varenicline and Motivational Advice for Smokers With Substance Use Disorders

NCT00756275
View directory record Official record
Conditions
Smoking Cessation, Nicotine Dependence
Interventions
Nicotine Replacement Treatment (NRT), varenicline, Behavioral counseling for smoking cessation
Drug · Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 75 Years
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 27, 2018 · Synced Sep 30, 2026, 9:09 AM EDT
Completed Phase 3 Interventional Results available

Smoking-Cessation and Stimulant Treatment (S-CAST)

NCT01077024
View directory record Official record
Conditions
Cocaine Dependence, Methamphetamine Dependence, Nicotine Dependence
Interventions
Smoking-cessation treatment
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
538 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
12
States / cities
Tucson, Arizona • Rancho Cucamonga, California • Tarzana, California + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2021 · Synced Sep 30, 2026, 9:09 AM EDT
Active, not recruiting Not applicable Interventional

Impact of Patient-Centered Approach for Communicating Coronary Calcium on Cardiovascular Health

NCT06055972
View directory record Official record
Conditions
Coronary Artery Disease, Cardiovascular Diseases, Smoking
Interventions
Educational Letter Post CT Examination
Other
Lead sponsor
American College of Radiology
Other
Eligibility
50 Years to 80 Years
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Ann Arbor, Michigan • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 6, 2024 · Synced Sep 30, 2026, 9:09 AM EDT