Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 7, 2026, 4:08 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 49–72 of 148 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Brief smoking cessation counseling Clear all
Completed Phase 4 Interventional Results available

Smoking Cessation in Hospitalized Smokers

NCT01289275
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Patches, Telephone Counseling, Brief Hospital Counseling
Drug · Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
1,270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
6
States / cities
Chula Vista, California • Davis, California • La Jolla, California + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2020 · Synced Oct 7, 2026, 4:08 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 Oct 7, 2026, 4:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Tobacco Cessation Via Public Health Dental Clinics

NCT00683839
View directory record Official record
Conditions
Smoking
Interventions
Brief tobacco counseling
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
2,637 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
3
States / cities
Jackson, Mississippi • New York, New York • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 26, 2011 · Synced Oct 7, 2026, 4:08 AM EDT
Completed Not applicable Interventional Results available

Tobacco Intervention in Primary Care Treatment Opportunities for Providers

NCT02096029
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Nicotine Replacement Therapy (NRT) Sampling, Ask, Advise, Refer (physician brief advice)
Other · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
1,278 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 7, 2019 · Synced Oct 7, 2026, 4:08 AM EDT
Completed Not applicable Interventional

Disseminating and Implementing a Smoking Cessation Program for Pregnant and Postpartum Women

NCT02952703
View directory record Official record
Conditions
Smoking, Tobacco Use Disorder
Interventions
brief pre-delivery smoking cessation counseling, additional pre-delivery smoking cessation counseling, post- delivery smoking cessation counseling, incentives
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 12, 2018 · Synced Oct 7, 2026, 4:08 AM EDT
Completed Not applicable Interventional Results available

Evaluation of Tobacco Treatment Strategies for Inpatient Psychiatry

NCT00968513
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Brief Intervention, Extended Treatment, Usual Care
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
956 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
3
States / cities
Berkeley, California • San Francisco, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Oct 7, 2026, 4:08 AM EDT
Not listed Phase 2 Interventional

Pennsylvania Adolescent Smoking Study (PASStudy)

NCT00381329
View directory record Official record
Conditions
Smoking Cessation
Interventions
Motivational Interviewing (MI), Structured Brief Advice (SBA)
Behavioral
Lead sponsor
Pennsylvania Department of Health
Government
Eligibility
14 Years to 18 Years
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
3
States / cities
Allentown, Pennsylvania • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 30, 2009 · Synced Oct 7, 2026, 4:08 AM EDT
Completed Not applicable Interventional

Not Quite Ready to Quit

NCT01866722
View directory record Official record
Conditions
Smoking Cessation
Interventions
Usual care, Reduction, 5Rs
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
560 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced Oct 7, 2026, 4:08 AM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Integrating Financial Coaching and Smoking Cessation Coaching

NCT05154669
View directory record Official record
Conditions
Smoking
Interventions
Financial counseling, Nicotine Replacement Therapy Agent - Patches, Nicotine Replacement Therapy Agent - Lozenges, Nicotine Replacement Therapy Agent - Gum
Other · Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
602 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 7, 2026, 4:08 AM EDT
Completed Phase 4 Interventional Results available

Tobacco Treatment Comparison for Cancer Care

NCT06218823
View directory record Official record
Conditions
Smoking Cessation, Cancer
Interventions
Transdermal Nicotine Patch, Standard Telephone Counseling, Varenicline, Cancer-Targeted Telephone Counseling, Mailed Information about Standard Care Resources
Drug · Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 7, 2026, 4:08 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Zonisamide Augmentation of Varenicline Treatment for Smoking Cessation

NCT01685996
View directory record Official record
Conditions
Nicotine Dependence
Interventions
zonisamide, placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 24, 2018 · Synced Oct 7, 2026, 4:08 AM EDT
Completed Phase 4 Interventional Results available

Nicotine Replacement Therapy (NRT) Sampling and Selection to Increase Medication Adherence

NCT03276780
View directory record Official record
Conditions
Smoking Cessation
Interventions
Counseling, combination NRT
Behavioral · Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 7, 2026, 4:08 AM EDT
Terminated Phase 2 Interventional Results available

Pre to Postoperative Smoking Cessation

NCT02683161
View directory record Official record
Conditions
Cigarette Smoking, Obesity
Interventions
Varenicline, Contingency Management, Behavioral Counseling
Drug · Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced Oct 7, 2026, 4:08 AM EDT
Completed Not applicable Interventional

Contingency Management and Pharmacotherapy for Smoking Cessation

NCT00683280
View directory record Official record
Conditions
Cigarette Smoking
Interventions
contingency management, Standard of Care
Behavioral · Other
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Oct 7, 2026, 4:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

N-acetylcysteine for Tobacco Use Disorder

NCT02737358
View directory record Official record
Conditions
Nicotine Dependence, Smoking
Interventions
N-acetylcysteine (NAC), Placebo
Drug · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Oct 7, 2026, 4:08 AM EDT
Completed Not applicable Interventional Results available

Treating Tobacco Dependence in Inpatient Psychiatry - 1

NCT00136812
View directory record Official record
Conditions
Tobacco Use Cessation, Tobacco Use Disorder
Interventions
stage-tailored intervention
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2024 · Synced Oct 7, 2026, 4:08 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 May 1, 2019 · Synced Oct 7, 2026, 4:08 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 Oct 7, 2026, 4:08 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Digitally Enhanced Smoking Cessation for High Risk Smokers

NCT04691297
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 19, 2025 · Synced Oct 7, 2026, 4:08 AM EDT
Active, not recruiting Not applicable Interventional

Comparing an Opt-out to an opt-in Approach for Smoking Cessation in VA Primary Care Clinics

NCT03477435
View directory record Official record
Conditions
Tobacco Use
Interventions
Staff training and academic detailing
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
1,365 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 7, 2026, 4:08 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Duration of Behavioral Counseling Treatment Needed to Optimize Smoking Abstinence

NCT01038414
View directory record Official record
Conditions
Tobacco Addiction
Interventions
Extended Duration Behavioral Smoking Cessation Counseling
Behavioral
Lead sponsor
Harvard University Faculty of Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 23, 2011 · Synced Oct 7, 2026, 4:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Smoking Reduction and Cessation Interventions for Chinese

NCT00714532
View directory record Official record
Conditions
Smoking Cessation
Interventions
Expert System Only, Enhanced Expert System
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
298 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2013 · Synced Oct 7, 2026, 4:08 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Smoking Cessation Intervention During Low Dose CT (LDCT) Screening for Lung Cancer

NCT03059940
View directory record Official record
Conditions
Smoking Cessation
Interventions
Questionnaires, Low Dose Computed Tomography Scan, Shared Decision Making + Video, Cessation Counseling, Quitline, Pharmacotherapy Discussion, Nicotine Patch, Anti-Smoking Drug, Tobacco Treatment Program, Carbon Monoxide (CO) Level Test
Behavioral · Procedure · Other + 1 more
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
50 Years and older
Enrollment
630 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 7, 2026, 4:08 AM EDT
Completed Phase 4 Interventional

Smoking Study With Behavioral Therapy for Hypertensive Patients

NCT00879177
View directory record Official record
Conditions
Cigarette Smoking, Hypertension
Interventions
Varenicline, behavioral therapy
Drug · Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Oct 7, 2026, 4:08 AM EDT