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 Sep 13, 2026, 11:38 PM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Smokers Clear all
Completed Not applicable Interventional

Lung Cancer Screening Study With Low-dose CT Scan and Blood Biomarker

NCT01700257
View directory record Official record
Conditions
High Risk of Developing Lung Cancer
Interventions
CT scan & Early CDT Lung test, CT scan & Early CDT Lung test
Radiation · Other
Lead sponsor
National Jewish Health
Other
Eligibility
50 Years to 75 Years
Enrollment
1,361 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 30, 2020 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Not applicable Interventional Results available

Electronic Decision Support Systems for Smokers With Severe Mental Illness

NCT01412866
View directory record Official record
Conditions
Severe Mental Illness, Nicotine Dependence, Schizophrenia, Tobacco Use Disorder
Interventions
EDSS with CO feedback and health checklist, EDSS with health checklist feedback alon
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Intervention for Support Persons to Help Smokers Quit

NCT00379054
View directory record Official record
Conditions
Smoking Cessation
Interventions
telephone based skills training intervention
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 21, 2010 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Phase 4 Interventional

Behavioral Counseling for Alcohol Dependent Smokers (Nicotine Patch)

NCT00004551
View directory record Official record
Conditions
Alcoholism, Smoking
Interventions
nicotine replacement patch, mood management
Drug · Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2003
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 28, 2010 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low Nicotine Cigarettes Plus Electronic Cigarettes

NCT04058717
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Normal Nicotine Content research cigarettes, High Nicotine e-cigarette, Very Low Nicotine Content research cigarettes, Zero Nicotine e-cigarette
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 70 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD170302: Study to Assess Nicotine Uptake in Smokers From Electronic Cigarettes

NCT03233997
View directory record Official record
Conditions
Smoking
Interventions
FT21018, FT21033, FT21034, FT21035
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lakewood, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 19, 2017 · Synced Sep 13, 2026, 11:38 PM EDT
Completed No phase listed Observational Results available

Oral Cell DNA Adducts in Smokers

NCT03285893
View directory record Official record
Conditions
Lung Cancer
Interventions
oral cell DNA adducts
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
281 participants
Timeline
2018 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Filter Ventilation and Ventilation Information on Product Use Behaviors in Cigarette Smokers

NCT04744285
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Cigarette packaging, Data capture, Questionnaire administration
Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
21 Years to 69 Years
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Dec 25, 2023 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Phase 2 Interventional Results available

Evaluation of Moclobemide, a Reversible MAO-A Inhibitor, as an Adjunct to Nicotine Replacement Therapy in Female Smokers

NCT01926626
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine Patch, Moclobemide
Drug
Lead sponsor
Jed E. Rose
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
3
States / cities
Charlotte, North Carolina • Durham, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 22, 2017 · Synced Sep 13, 2026, 11:38 PM EDT
Recruiting Not applicable Interventional

Harm Reduction for Smokers With Mental Illness

NCT06543407
View directory record Official record
Conditions
Tobacco Dependence
Interventions
SWITCH IT, E-cig Provision Only
Behavioral · Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
21 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Louisville, Kentucky • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Validation of Biomarkers of Exposure and Host Response

NCT00468234
View directory record Official record
Conditions
Cigarette Smoker
Interventions
nicotine polacrilex, nicotine transdermal system, nicotine inhaler
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 30, 2023 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Not applicable Interventional Results available

Improving Medication Compliance and Smoking Cessation Treatment Outcomes for African American Smokers

NCT00781599
View directory record Official record
Conditions
Smokers
Interventions
Chantix, Adherence Counseling, Standard Counseling
Drug · Behavioral
Lead sponsor
Nikki Nollen, PhD, MA
Other
Eligibility
18 Years to 75 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 10, 2012 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparing Population Cessation Services

NCT01566994
View directory record Official record
Conditions
Cancer
Interventions
TTM Tailored, Motivational Enhancement Therapy, Integrated Treatment
Behavioral
Lead sponsor
University of Rhode Island
Other
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Kingston, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 16, 2013 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Phase 2 Interventional Results available

Erlotinib Hydrochloride With or Without Carboplatin and Paclitaxel in Treating Patients With Stage III-IV Non-small Cell Lung Cancer

NCT00126581
View directory record Official record
Conditions
Lung Adenocarcinoma, Lung Adenosquamous Carcinoma, Malignant Pericardial Effusion, Malignant Pleural Effusion, Minimally Invasive Lung Adenocarcinoma, Stage IIIB Lung Non-Small Cell Cancer AJCC v7, Stage IV Lung Non-Small Cell Cancer AJCC v7
Interventions
Carboplatin, Erlotinib, Erlotinib Hydrochloride, Paclitaxel
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2017
U.S. locations
96
States / cities
Castro Valley, California • Emeryville, California • Fremont, California + 68 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2019 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Creating Smokefree Living Together for Chinese Household Pairs

NCT01592682
View directory record Official record
Conditions
Smoking, Smoke Exposure
Interventions
Smokefree counseling
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
410 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Not applicable Interventional Results available

Randomized Pilot Study of a mHealth App for Ambivalent Smokers Living With HIV

NCT05339659
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
mHealth Intervention
Device
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 31, 2024 · Synced Sep 13, 2026, 11:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

CSD201004: An Actual Use Study of P10 and P13 Nicotine Pouches Among U.S. Adult Smokers

NCT05184920
View directory record Official record
Conditions
Smoking, Tobacco Use, Tobacco Smoking
Interventions
P1012919 nicotine pouch, P1012915 nicotine pouch, P1012914 nicotine pouch, P1013315 nicotine pouch, P1013119 nicotine pouch, P1013218 nicotine pouch, P1012818 nicotine pouch, P1312915 nicotine pouch, P1312914 nicotine pouch, P1313015 nicotine pouch, P1313314 nicotine pouch, P1312815 nicotine pouch
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
1,105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
10
States / cities
Phoenix, Arizona • Atlanta, Georgia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2022 · Synced Sep 13, 2026, 11:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic Basis of Odor Discrimination

NCT01039935
View directory record Official record
Conditions
Non-smokers
Interventions
Not listed
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 50 Years
Enrollment
512 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 5, 2012 · Synced Sep 13, 2026, 11:38 PM EDT
Active, not recruiting Phase 1 Interventional

A Study of Exercise and Pharmacologic Intervention on Systemic Inflammation

NCT07058974
View directory record Official record
Conditions
Smokers, Former Smokers
Interventions
lamivudine, rapamycin, Exercise Regimen, Spermidine
Drug · Behavioral · Dietary Supplement
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
60 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 13, 2026, 11:38 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Pneumococcal Post-Vaccination Titers

NCT02726347
View directory record Official record
Conditions
Smokers, Elderly, Asthma, COPD, Recurrent Infections
Interventions
PPV-23
Biological
Lead sponsor
National Jewish Health
Other
Eligibility
19 Years to 80 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Sep 13, 2026, 11:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Lungs of Normal Individuals by Lung Lavage, Brushing and Bronchial Wall Biopsy

NCT00224185
View directory record Official record
Conditions
Smoking, Lung Diseases
Interventions
Bronchopulmonary Lung Lavage, Bronchial Brushing, Bronchial Wall Biopsy
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 1, 2016 · Synced Sep 13, 2026, 11:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cigarette Smoke and Susceptibility to Influenza Infection

NCT00448617
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 28, 2015 · Synced Sep 13, 2026, 11:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers of Molecular Risk in Smokers

NCT00598143
View directory record Official record
Conditions
Smoking Cessation
Interventions
Vignette, questionnaires and Saliva Samples, Urine Collection, Smoking cessation treatment
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Sep 13, 2026, 11:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco Quit Line Re-enrollments for the Underserved

NCT01260597
View directory record Official record
Conditions
Smoking
Interventions
IVR intervention, IVR control
Behavioral
Lead sponsor
Consumer Wellness Solutions
Industry
Eligibility
18 Years and older
Enrollment
2,985 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 10, 2015 · Synced Sep 13, 2026, 11:38 PM EDT