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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jun 10, 2026, 3:04 PM EDT

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

Showing 1–24 of 963 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Tobacco-Use Disorder Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Lung Macrophage Populations and Functions in Chronic Obstructive Pulmonary Disease (COPD)-Susceptible Smokers

NCT04722835
View directory record Official record
Conditions
Copd, Smoking, Tobacco Use
Interventions
Bronchoscopy with Bronchoalveolar Lavage (BAL)
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2030
U.S. locations
3
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jun 10, 2026, 3:04 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Multiple Cigarette Induced Changes in Hormone Function, Mood States and Behavior

NCT01636310
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2016
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 14, 2013 · Synced Jun 10, 2026, 3:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

YMCA Exercise Intervention for Smoking Cessation Study

NCT03080090
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Aerobic exercise, Smoking Cessation Intervention
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2020 · Synced Jun 10, 2026, 3:04 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Zileuton With or Without Celecoxib As Chemopreventive Agents in Smokers

NCT01021215
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Zileuton, Celecoxib, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
New York, New York • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 1, 2015 · Synced Jun 10, 2026, 3:04 PM EDT
Completed Phase 4 Interventional Results available

Evaluation of National Cancer Institute (NCI) Smoking Intervention Resources

NCT01342523
View directory record Official record
Conditions
Smoking Cessation, Smoking, Nicotine Dependence
Interventions
CIS - telephone cessation quitline counseling, Lozenge - nicotine mini-lozenges, Emails - Brief smoking prevention messages, Full website - standard smokefree.gov website content, Lite website - lite version of smokefree.gov, Full mailed booklet - NCI's detailed 36-page quit guide, brief mailed booklet - smaller version of NCI's booklet
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
1,034 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 13, 2015 · Synced Jun 10, 2026, 3:04 PM EDT
Completed No phase listed Observational

HIV Infection and Tobacco Use Among Injection Drug Users in Baltimore, Maryland: A Pilot Study of Biomarkers

NCT00491335
View directory record Official record
Conditions
HIV Infections, AIDS, Lung Cancer, Tobacco Addiction, Drug Addiction
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
17 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jun 10, 2026, 3:04 PM EDT
Completed Not applicable Interventional

The Northwest Coalition for Primary Care Practice Support

NCT02839382
View directory record Official record
Conditions
Cardiovascular Disease, Essential Hypertension, Nicotine Dependence, Hyperlipidemia
Interventions
Coaching, Educational Outreach, Site Visits
Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
Not listed
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 15, 2019 · Synced Jun 10, 2026, 3:04 PM 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 14, 2025 · Synced Jun 10, 2026, 3:04 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Assessment of Biomarkers in Children to Help Parents Quit Tobacco

NCT04832659
View directory record Official record
Conditions
Tobacco Dependence
Interventions
CEASE, CEASE + BIO
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
865 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Jun 10, 2026, 3:04 PM EDT
Active, not recruiting Not applicable Interventional

Nicotine Replacement Therapy Prescribing and Lung Cancer Screening in Hospitalized Patients

NCT07164404
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
EHR alert
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jun 10, 2026, 3:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Extinction Updating in Reconsolidation

NCT02154685
View directory record Official record
Conditions
Nicotine Addiction, Smoking Cessation
Interventions
Retrieval-Extinction, Non-Retrieval Extinction
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 1, 2015 · Synced Jun 10, 2026, 3:04 PM EDT
Completed Phase 2 Interventional Results available

Targeted Interventions for Weight-Concerned Smokers

NCT00105482
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Naltrexone, Transdermal nicotine replacement, Behavioral counseling
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 4, 2013 · Synced Jun 10, 2026, 3:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Internet Stop Smoking Intervention to Usual Care on Smoking Cessation at 6 Months

NCT01639079
View directory record Official record
Conditions
Cigarette Smoking, Nicotine Dependence
Interventions
Internet Smoking Cessation Web Site
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 90 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Jun 10, 2026, 3:04 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Contingent Incentives Plus Bupropion for Smoking in People With Schizophrenia

NCT00136760
View directory record Official record
Conditions
Schizophrenia and Disorders With Psychotic Features, Tobacco Use Disorder
Interventions
Bupropion, Contingent reinforcement plus placebo, non-contingent reinforcement plus bupropion, Non-contingent reinforcement plus placebo
Drug
Lead sponsor
Brown University
Other
Eligibility
18 Years to 80 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2009
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 6, 2015 · Synced Jun 10, 2026, 3:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Varenicline for the Treatment of Smokeless Tobacco

NCT00813917
View directory record Official record
Conditions
Nicotine Dependence
Interventions
varenicline, placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 15, 2012 · Synced Jun 10, 2026, 3:04 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

IV Nicotine Induced Changes in Hormone Function, Mood States and Behavior

NCT01589055
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Intravenous Nicotine
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2015
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 16, 2024 · Synced Jun 10, 2026, 3:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Smartphone-based Financial Incentives

NCT03922360
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Smartphone-based Financial Incentives, Best Practices
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Jun 10, 2026, 3:04 PM EDT
Completed Not applicable Interventional

A Feasibility Study of Smoking Cessation Program in Radiation Oncology

NCT00236288
View directory record Official record
Conditions
Cancer and Tobacco Abuse
Interventions
Bupropion and intensive behavioral therapy
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 30, 2007 · Synced Jun 10, 2026, 3:04 PM EDT
Recruiting Not applicable Interventional

Nonendoscopic Screening for Barrett's Esophagus in Veterans Without Chronic Reflux

NCT06746623
View directory record Official record
Conditions
Obese Patients, Tobacco Use, Veterans, Family History of Esophageal Cancer, Barrett Esophagus
Interventions
Enrolled participants will complete Esocheck/Esoguard and diagnostic upper endoscopy.
Diagnostic Test
Lead sponsor
Louis Stokes VA Medical Center
Federal
Eligibility
40 Years to 85 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Jun 10, 2026, 3:04 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Switching to Very Low Nicotine Content Cigarettes vs Reducing Cigarettes Per Day

NCT03060083
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Very low nicotine content (VLNC) cigarettes and nicotine replacement therapy (NRT), Reduce cigarettes per day (CPD) with nicotine replacement therapy (NRT)
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Oct 3, 2022 · Synced Jun 10, 2026, 3:04 PM EDT
Completed Phase 2 Interventional Results available

Effectiveness of Bupropion for Treating Nicotine Dependence in Young People

NCT00129272
View directory record Official record
Conditions
Tobacco Use Cessation, Tobacco Use Disorder
Interventions
Bupropion-SR, Placebo
Drug · Other
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
12 Years to 25 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 21, 2017 · Synced Jun 10, 2026, 3:04 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 Jun 10, 2026, 3:04 PM EDT
Completed Not applicable Interventional

Project 1, Study 1: Investigating the Impact of Nicotine Using Spectrum Cigarettes

NCT01681875
View directory record Official record
Conditions
Tobacco Dependence
Interventions
very low nicotine content cigarettes
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
839 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
9
States / cities
San Francisco, California • Tampa, Florida • Baltimore, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2018 · Synced Jun 10, 2026, 3:04 PM EDT
Terminated Phase 2 Interventional Results available

Effects of ABT-089 on Smoking Abstinence Symptoms and Reward

NCT01756053
View directory record Official record
Conditions
Nicotine Addiction
Interventions
ABT-089, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 28, 2014 · Synced Jun 10, 2026, 3:04 PM EDT