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 19, 2026, 2:29 PM EDT

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

Showing 73–96 of 2,331 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Smoking Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Contingency Management for Smoking Cessation in Homeless Smokers

NCT01789710
View directory record Official record
Conditions
Smoking, Homeless Persons
Interventions
Bupropion, Nicotine replacement therapy, Contingency Management
Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 19, 2026, 2:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Assessment of Smoking, Vaping, and Alcohol Consumption Behavior

NCT04150510
View directory record Official record
Conditions
Survey, E-Cig Use, Smoking Behaviors, Alcohol Drinking, Vaping, Food Intake
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 85 Years
Enrollment
3,245 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 19, 2021 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Just Kwit: Mobile Intervention for Tobacco Cessation

NCT03538678
View directory record Official record
Conditions
Smoking Cessation
Interventions
Kwit smartphone app
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 30 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 18, 2021 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Long-term Varenicline Treatment for Smoking Cessation

NCT00828113
View directory record Official record
Conditions
Smoking
Interventions
varenicline, Individual smoking cessation counseling
Drug · Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 75 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 20, 2015 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Phase 1Phase 2 Interventional

Alcohol Counseling for Telephone Quitline Callers

NCT01120080
View directory record Official record
Conditions
Smoking, Nicotine Dependence, Alcohol Dependence
Interventions
Practical Counseling, Alcohol Intervention Counseling
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
1,948 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Phase 1 Interventional

Flexiquit+: Web Program to Promote Smoking Cessation in Sexual and Gender Minority Young Adult Smokers

NCT04194918
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Computer-Assisted Smoking Cessation Intervention, Text Message, Handout, Questionnaire Administration, Quality-of-Life Assessment, Survey Administration
Behavioral · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 30 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study of Hookah Café Customers in the Atlanta Area

NCT05916170
View directory record Official record
Conditions
Waterpipe Tobacco Smoking
Interventions
Health Warnings, No Warnings
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
977 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

St. John's Wort for Tobacco Cessation

NCT00405912
View directory record Official record
Conditions
Smoking, Nicotine Dependence
Interventions
Placebo, St. John's Wort-900 mg/day, St. John's Wort-1800mg/day
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 19, 2011 · Synced Oct 19, 2026, 2:29 PM EDT
Terminated Not applicable Interventional Results available

Accelerated rTMS for the Reduction of Nicotine Craving

NCT03352609
View directory record Official record
Conditions
Nicotine Use Disorder, Nicotine Dependence
Interventions
Active rTMS with MagVenture MagPro double blind rTMS system, Sham rTMS
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 15, 2019 · Synced Oct 19, 2026, 2:29 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Nicotine Reduction on Smoking Behavior in ADHD Smokers

NCT02599571
View directory record Official record
Conditions
Nicotine Dependence, ADHD
Interventions
Very low nicotine content cigarettes, Conventional nicotine content cigarettes
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 40 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
Durham, North Carolina • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Oct 19, 2026, 2:29 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Concurrent PET D2/D3 Receptor Imaging and fMRI Smoking Cue Reactivity in Smokers

NCT01784016
View directory record Official record
Conditions
Nicotine Dependence, Smoking Cue Reactivity, Relapse to Smoking
Interventions
[11C]-PHNO
Radiation
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
3
States / cities
Belmont, Massachusetts • Boston, Massachusetts • Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 23, 2014 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effectiveness of Bupropion for Smokers Recovering From Alcohol Dependence

NCT00304707
View directory record Official record
Conditions
Smoking Cessation, Alcohol-Related Disorders
Interventions
Bupropion, placebo
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Bedford, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Oct 19, 2026, 2:29 PM EDT
Terminated No phase listed Observational

Study on Smoking Cessation and Cost Outcomes in the Duke Smoking Cessation Program

NCT02845687
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 13, 2019 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Integrating Clinical Practice Guidelines for Smoking Cessation Into Mental Health Care for Veterans With Posttraumatic Stress Disorder

NCT00118534
View directory record Official record
Conditions
Mental Health, Stress Disorders, Post-Traumatic, Substance-Related Disorders, Tobacco Use Disorder
Interventions
Integrated Care for Smoking Cessation in PTSD patients, Standard of Care
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 80 Years
Enrollment
943 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
11
States / cities
Tuscaloosa, Alabama • San Diego, California • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated May 5, 2014 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Framing Messages for Smoking Cessation With Bupropion - 6

NCT00104598
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Bupropion, Smoking Abstinence Program
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
252 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2006
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 9, 2013 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Memory Reconsolidation Blockade as a Novel Intervention for Nicotine Dependence

NCT00916721
View directory record Official record
Conditions
Smoking Cessation
Interventions
Propranolol, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 19, 2014 · Synced Oct 19, 2026, 2:29 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Noncombustible Nicotine Delivery Systems as Potential Harm Reduction Tools for Persistent Cigarette Smokers

NCT06372899
View directory record Official record
Conditions
E-cigarette Use, Cigarette Smoking, Harm Reduction, Tobacco Use
Interventions
E-cigarettes, Oral nicotine pouches
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
21 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 19, 2026, 2:29 PM EDT
Recruiting Phase 2 Interventional

The CONQUER Trial - Cessation Of Nicotine, QUitting With E-cigarette Reduction

NCT07322432
View directory record Official record
Conditions
Addiction Nicotine
Interventions
VapeAway filter system
Device
Lead sponsor
VapeAway
Industry
Eligibility
21 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Phase 3 Interventional

Efficacy of Proactive Telephone Counseling for Pregnant Smokers Enrolled in a Managed Care Organization

NCT00181909
View directory record Official record
Conditions
Pregnancy, Smoking Cessation
Interventions
Smoking cessation counseling delivered by telephone
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
434 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
2
States / cities
Boston, Massachusetts • Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 28, 2006 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Glucobrassicin-Brussel Sprout Effect on D10 Phe Metabolism

NCT02999399
View directory record Official record
Conditions
Smoking
Interventions
Brussel Sprouts, Deuterated Phenanthrene
Other · Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years to 99 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 17, 2023 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Not applicable Interventional

Respiratory Effects of E-Cigarettes in Obese Youth

NCT05869318
View directory record Official record
Conditions
E-Cig Use
Interventions
ECIG own, ECIG Vuse
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years to 25 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 19, 2026, 2:29 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Cue Reactivity in Virtual Reality: The Role of Context

NCT00862927
View directory record Official record
Conditions
Smoking
Interventions
Breath Sample, Saliva Sample, Questionnaire, View Virtual Reality Scenes
Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 20, 2012 · Synced Oct 19, 2026, 2:29 PM EDT
Completed Phase 4 Interventional

Dissemination of Tobacco Tactics for Hospitalized Smokers

NCT01309217
View directory record Official record
Conditions
Smoking Cessation
Interventions
Tobacco Tactics Intervention, Usual Care
Behavioral · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
1,528 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
6
States / cities
Grand Rapids, Michigan • Livonia, Michigan • Muskegon, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2014 · Synced Oct 19, 2026, 2:29 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 20, 2015 · Synced Oct 19, 2026, 2:29 PM EDT