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Showing 1–24 of 140 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Smoker Lung Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Airway and Pulmonary Vascular Endothelial Function in Healthy Smokers: Effect of Inhaled Glucocorticosteroid Treatment

NCT02141633
View directory record Official record
Conditions
Smoking
Interventions
echocardiogram plus albuterol, airway blood flow plus albuterol, Fluticasone propionate, placebo
Procedure · Drug
Lead sponsor
University of Miami
Other
Eligibility
25 Years to 75 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 15, 2016 · Synced Sep 12, 2026, 6:09 AM EDT
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 Sep 12, 2026, 6:09 AM EDT
Completed Phase 2 Interventional Results available

Sunitinib in Never-Smokers With Lung Adenocarcinoma

NCT01829217
View directory record Official record
Conditions
Lung Cancer
Interventions
Sunitinib
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
4
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 30, 2018 · Synced Sep 12, 2026, 6:09 AM EDT
Completed Phase 1 Interventional

A Two-Stage Phase 1 Dose Escalation Pharmacokinetic Study of Tarceva in Patients With Stage IIIB/IV Non-small Cell Lung Cancer Who Continue to Smoke After Failure of One or Two Prior Chemotherapy Regimens

NCT00294736
View directory record Official record
Conditions
NSCLC
Interventions
Tarceva
Drug
Lead sponsor
OSI Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
2
States / cities
Bakersfield, California • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 7, 2012 · Synced Sep 12, 2026, 6:09 AM EDT
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 12, 2026, 6:09 AM 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 12, 2026, 6:09 AM 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 12, 2026, 6:09 AM 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 12, 2026, 6:09 AM 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 12, 2026, 6:09 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

Risk and Benefits of Electronic Cigarettes to Older Smokers at High Risk for Lung Cancer

NCT05144542
View directory record Official record
Conditions
Lung Carcinoma
Interventions
Nicotine Replacement
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
50 Years to 80 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 12, 2026, 6:09 AM EDT
Completed Phase 2 Interventional Results available

Study of Pralatrexate vs. Erlotinib for Non-Small Cell Lung Cancer After at Least 1 Prior Platinum-based Treatment

NCT00606502
View directory record Official record
Conditions
Non-small Cell Lung Cancer
Interventions
Pralatrexate, Erlotinib, Vitamin B12, Folic Acid
Drug · Dietary Supplement
Lead sponsor
Spectrum Pharmaceuticals, Inc
Industry
Eligibility
18 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
15
States / cities
Bakersfield, California • San Diego, California • Port Saint Lucie, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2021 · Synced Sep 12, 2026, 6:09 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 12, 2026, 6:09 AM EDT
Completed Not applicable Interventional

Inpatient Smokers and LDCT Screening RCT

NCT03276806
View directory record Official record
Conditions
Lung Cancer, Shared Decision Making
Interventions
tobacco dependence/smoking cessation counseling, SDM, Decision Aid, LDCT brochure
Behavioral · Other
Lead sponsor
Boston University
Other
Eligibility
55 Years to 80 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Sep 12, 2026, 6:09 AM EDT
Completed Not applicable Interventional Results available

Electronic Proactive Outreach for Smokers With COPD

NCT04462289
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Smoking
Interventions
Proactive Outreach
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Sep 12, 2026, 6:09 AM EDT
Terminated Phase 2 Interventional Results available

Sorafenib in Treating Non-Smokers or Former Light Smokers With Relapsed or Refractory Stage IIIB or Stage IV Non-Small Cell Lung Cancer

NCT00754923
View directory record Official record
Conditions
Lung Cancer
Interventions
sorafenib
Drug
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 5, 2019 · Synced Sep 12, 2026, 6:09 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 12, 2026, 6:09 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of E-cigarettes (ECIGs) on Pulmonary Inflammation and Behavior in HIV Infected Smokers

NCT02848586
View directory record Official record
Conditions
Lung Inflammation, HIV Seropositivity
Interventions
ECIGS, mobile contingency management (mCM), Usual brand
Other · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 64 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 10, 2023 · Synced Sep 12, 2026, 6:09 AM EDT
Completed Phase 4 Interventional Results available

A Pilot Study to Determine the Feasibility and Utility of Implementing of the Full Scale TOM Trial

NCT01696214
View directory record Official record
Conditions
Asthma
Interventions
Fluticasone 250 mg/salmeterol 50 mg, Montelukast 10mg, Theophylline 400 mg, ipratropium
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2019 · Synced Sep 12, 2026, 6:09 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 12, 2026, 6:09 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 12, 2026, 6:09 AM EDT
Completed Phase 2 Interventional Results available

Acetylsalicylic Acid Compared to Placebo in Treating High-Risk Patients With Subsolid Lung Nodules

NCT02169271
View directory record Official record
Conditions
Current Smoker, Former Smoker, Multiple Pulmonary Nodules, Tobacco Use Disorder
Interventions
Aspirin, Laboratory Biomarker Analysis, Placebo
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
50 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 20, 2020 · Synced Sep 12, 2026, 6:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

COPD E-cigarette Topography Training

NCT05510154
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Tobacco Smoking
Interventions
Brief advice, Single Training, Training to Competency
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
21 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 12, 2026, 6:09 AM EDT
Completed Phase 2 Interventional

Zinc Supplements in Lowering Cadmium Levels in Smokers

NCT00376987
View directory record Official record
Conditions
Bladder Cancer, Cervical Cancer, Esophageal Cancer, Gastric Cancer, Head and Neck Cancer, Kidney Cancer, Leukemia, Liver Cancer, Lung Cancer, Pancreatic Cancer, Tobacco Use Disorder
Interventions
zinc oxide
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years to 120 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2015
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 12, 2026, 6:09 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 12, 2026, 6:09 AM EDT