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 27, 2026, 4:52 AM 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: Smoker Lung Clear all
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Phase II Trial to Modulate Intermediate Endpoint Biomarkers in Former and Current Smokers

NCT03598309
View directory record Official record
Conditions
Lung Diseases, Lung Cancer, Protection Against
Interventions
Curcumin C3 complex®, Lovaza®, Placebo
Drug · Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
55 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 27, 2026, 4:52 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Sputum and Labeling for Lung Cancer

NCT03457415
View directory record Official record
Conditions
Lung Cancer
Interventions
Not listed
Lead sponsor
bioAffinity Technologies Inc.
Industry
Eligibility
21 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
3
States / cities
Summit, New Jersey • Albuquerque, New Mexico • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Not applicable Interventional Results available

Evaluation of Appeal and Impact of E-Cigarettes Among Chronic Smokers With Smoking-Related Cancers

NCT02648178
View directory record Official record
Conditions
Nicotine Dependence, Other Tobacco Product, Bladder Cancer, Lung Cancer, Cancer of Head and Neck
Interventions
HALO
Device
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Sep 18, 2019 · Synced Sep 27, 2026, 4:52 AM EDT
Completed No phase listed Observational

S0424 - Carcinogens in Lung Tissue From Smokers (Closed to Entry as of 7/15/07) and Non-Smokers With Newly Diagnosed Stage I, Stage II, or Stage III Non-Small Cell Lung Cancer

NCT00450281
View directory record Official record
Conditions
Lung Cancer
Interventions
chromogenic in situ hybridization, gene expression analysis, mutation analysis, polymerase chain reaction, polymorphism analysis, fluorescent antibody technique, immunohistochemistry staining method, laboratory biomarker analysis, matrix-assisted laser desorption/ionization time of flight mass spectrometry, study of socioeconomic and demographic variables, study of high risk factors
Genetic · Other · Procedure
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years to 120 Years
Enrollment
981 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
405
States / cities
Anchorage, Alaska • Tucson, Arizona • Fort Smith, Arkansas + 279 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2015 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Not applicable Interventional

Broccoli Sprout Extract in Preventing Lung Cancer in Smokers

NCT00255775
View directory record Official record
Conditions
Lung Cancer
Interventions
broccoli sprout extract, complementary or alternative medicine procedure
Dietary Supplement · Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 8, 2010 · Synced Sep 27, 2026, 4:52 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Genetic Susceptibility to Lung Cancer in Never Smokers

NCT00597636
View directory record Official record
Conditions
Lung Cancer
Interventions
Questionaire, Blood sample
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 27, 2026, 4:52 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Home-Based Respiratory Muscle Training and Aerobic Exercise Programs to Improve Lung Health in Current and Former Cigarette Smokers

NCT07553819
View directory record Official record
Conditions
Lung Carcinoma
Interventions
Accelerometry, Aerobic Exercise, Biospecimen Collection, Educational Intervention, Electronic Health Record Review, Physical Performance Testing, Respiratory Muscle Training, Supportive Care, Survey Administration
Procedure · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
50 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Risk Communication in African American Smokers

NCT04084561
View directory record Official record
Conditions
Lung Cancer
Interventions
HRHA, LRLA, HRLA, LRHA
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
2
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2023 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Sustaining Smoking Cessation in Smokers With Kids With Asthma

NCT00862368
View directory record Official record
Conditions
Asthma, Smoking Cessation
Interventions
PAM, PAM-Enhanced/Asthma Counseling Phone Calls, Follow-Up Phone Calls - Child Wellness Topic
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
573 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
5
States / cities
Fall River, Massachusetts • Pawtucket, Rhode Island • Providence, Rhode Island + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2012 · Synced Sep 27, 2026, 4:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Modulation of Genes Responsible for Cilia Length by Exposure to Cigarette Smoke

NCT02168673
View directory record Official record
Conditions
COPD, Smoking
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 1, 2016 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Phase 3 Interventional Results available

Smoking Cessation Versus Long-term Nicotine Replacement Among High-risk Smokers

NCT02148445
View directory record Official record
Conditions
Smoking, Pulmonary Disease, Chronic Obstructive, Tobacco Use Disorder
Interventions
Standard Smoking Cessation, Extended Nicotine Replacement Therapy, Nicotine replacement therapy
Other · Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
398 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Sep 27, 2026, 4:52 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Educating Smokers About Lung Cancer Screening Using Tobacco Quitlines

NCT04595422
View directory record Official record
Conditions
Lung Carcinoma
Interventions
Educational Intervention, Questionnaire Administration, Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Imaging Regional Lung Defect Severity

NCT01640288
View directory record Official record
Conditions
COPD
Interventions
Perfluorinated Gas/Oxygen Mixture, High Resolution CT of the Chest
Drug · Other
Lead sponsor
Hal C Charles
Other
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Sep 27, 2026, 4:52 AM 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 16, 2023 · Synced Sep 27, 2026, 4:52 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Incorporation of Genetic Expression of Airway Epithelium With CT Screening for Lung Cancer

NCT01982149
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, COPD
Interventions
Group 1, Group 2, Group 3
Genetic
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2020 · Synced Sep 27, 2026, 4:52 AM EDT
Completed No phase listed Observational

Impact of Lung Cancer Diagnosis on Relatives' Understanding of Genetic Risk and Receptivity to Quit Smoking

NCT00341341
View directory record Official record
Conditions
Lung Cancer
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 55 Years
Enrollment
757 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Phase 1 Interventional

Iloprost in Preventing Lung Cancer in Former Smokers

NCT02237183
View directory record Official record
Conditions
Lung Carcinoma
Interventions
Iloprost, Placebo Administration, Quality-of-Life Assessment, Questionnaire Administration
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 85 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
2
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Bronchoscopy in Determining the Effect of E-Cigarette Smoking on Biomarkers in the Lungs

NCT03691350
View directory record Official record
Conditions
Cigarette Smoker, Current Every Day Smoker
Interventions
Bronchoscopy with Bronchoalveolar Lavage, Cigarette, Electronic Cigarette, Laboratory Biomarker Analysis, Nicotine Replacement, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years to 52 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 27, 2026, 4:52 AM EDT
Completed No phase listed Observational

Pneumocystis in Pathogenesis of HIV-associated Emphysema

NCT00869544
View directory record Official record
Conditions
HIV Infections, Pneumocystis Pneumonia, Emphysema, Chronic Obstructive Pulmonary Disease, Asthma
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced Sep 27, 2026, 4:52 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Nivolumab for the Reversal of Squamous Dysplasia in High Risk Current and Former Smokers

NCT03347838
View directory record Official record
Conditions
Bronchial Dysplasia, Tobacco Smoking, History of Non-Small Cell Lung Cancer, History of Head and Neck Cancer
Interventions
Nivolumab
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
2
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Phase 3 Interventional Results available

RETHINC: REdefining THerapy In Early COPD for the Pulmonary Trials Cooperative

NCT02867761
View directory record Official record
Conditions
COPD (Chronic Obstructive Pulmonary Disease)
Interventions
Indacaterol/Glycopyrrolate, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
40 Years to 80 Years
Enrollment
780 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
16
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Sep 27, 2026, 4:52 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating the Impact of a Virtually Supervised Exercise Intervention and Group Counseling on Inflammation and the Microbiome of Smokers at High Risk for Lung Cancer, BE FIT Trial

NCT06445192
View directory record Official record
Conditions
Lung Carcinoma
Interventions
Best Practice, Biospecimen Collection, Exercise Counseling, Exercise Intervention, Medical Device Usage and Evaluation, Physical Performance Testing, Questionnaire Administration, Telemedicine
Other · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
40 Years to 80 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 27, 2026, 4:52 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Electronic Cigarettes on Lung Biology

NCT02188511
View directory record Official record
Conditions
Lung Disease, Lung Disorder
Interventions
Group A, Group B, Group C, Group D, Group E
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
21 Years to 85 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2020 · Synced Sep 27, 2026, 4:52 AM EDT
Completed Phase 2 Interventional Results available

Phenethyl Isothiocyanate in Preventing Lung Cancer in Smokers

NCT00691132
View directory record Official record
Conditions
Lung Cancer, Tobacco Use Disorder
Interventions
phenethyl isothiocyanate, placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
21 Years to 70 Years
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 11, 2017 · Synced Sep 27, 2026, 4:52 AM EDT