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 2, 2026, 6:48 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 31 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Smoking History Clear all
Completed No phase listed Observational Accepts healthy volunteers

Prevalence of Chronic Airway Obstruction in Subjects With a History of Cigarette Smoking in a Primary Care Setting

NCT01013948
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Non-Interventional
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
30 Years to 87 Years
Enrollment
1,574 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
40
States / cities
Adamsville, Alabama • Foothill Ranch, California • Huntington Beach, California + 37 more
Source: ClinicalTrials.gov public record
Updated Oct 17, 2012 · Synced Sep 2, 2026, 6:48 PM EDT
Recruiting No phase listed Observational

Health Opportunities and Promoters of Equitable Screening for Lung Cancer

NCT05784922
View directory record Official record
Conditions
Lung Cancer, Smoking Behaviors, Diagnosis
Interventions
Educational Lung Cancer Screening (LCS) Video
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years to 80 Years
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 2, 2026, 6:48 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating the Implementation and Effectiveness of the Pink and Pearl Campaign on Lung Cancer Screening at Christian Hospital

NCT07146568
View directory record Official record
Conditions
Lung Cancer, Cancer of the Lung
Interventions
Pink and Pearl Campaign
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
20 Years and older
Enrollment
5,515 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 2, 2026, 6:48 PM EDT
Completed No phase listed Observational

Clinical Outcomes and Molecular Phenotypes in Smokers With Parenchymal Lung Disease

NCT02055222
View directory record Official record
Conditions
Pulmonary Fibrosis, Lung Disease
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
40 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Sep 2, 2026, 6:48 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

InAdvance: Surveillance, Prevention, and Interception in a Population at Risk for Cancer

NCT05463796
View directory record Official record
Conditions
Cancer Risk, Cancer Predisposition Syndrome, Hereditary Cancer Prediction, Childhood Cancer Survivors, Adult Cancer Survivors, IARC Carcinogens, Smoking History, Lung Cancer, Ductal/Lobular Carcinoma, Barrett Esophagus, Pancreatic Precursor Lesions, Colonic Dysplasia/Adenomata, Non-Alcoholic Fatty Liver Disease, Non Alcoholic Steatohepatitis, Cirrhosis, High Grade Prostatic Epithelial Neoplasia, High-grade Bladder Urothelial Dysplasia/Carcinoma in Situ, Adenomatous Hyperplasia, High-risk Oral Precancerous Diseases, Melanocytic Lesion, Adult, Hematologic Malignancy, Lung; Node, Serous Tubal Intraepithelial Carcinoma, Endometrial Intraepithelial Neoplasia, Cervical and Endocervical Carcinoma in Situ, Vulvar Intraepithelial Neoplasia, Nephrogenic Rests, Benign Bone Lesions With Risk of Malignant Degeneration, Giant Cell Tumor, Osteochondroma, Spitz Nevus
Interventions
Samples
Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
Not listed
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2031
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 2, 2026, 6:48 PM EDT
Completed Phase 1 Interventional Results available

Study of Olaparib With Radiation Therapy and Cetuximab in Advanced Head and Neck Cancer With Heavy Smoking History

NCT01758731
View directory record Official record
Conditions
Squamous Cell Carcinoma of the Head and Neck
Interventions
Olaparib, Cetuximab, Radiation Therapy
Drug · Radiation
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 22, 2019 · Synced Sep 2, 2026, 6:48 PM EDT
Completed Phase 2 Interventional Results available

Carboplatin, Pemetrexed Disodium, and Bevacizumab for Patients With Stage III or IV Non-Small Cell Lung Cancer Who Are Light/Never Smokers

NCT01344824
View directory record Official record
Conditions
Lung Cancer
Interventions
bevacizumab, carboplatin, erlotinib hydrochloride, pemetrexed disodium
Biological · Drug
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
4
States / cities
Asheville, North Carolina • Chapel Hill, North Carolina • New Bern, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2017 · Synced Sep 2, 2026, 6:48 PM EDT
Completed Not applicable Interventional Results available

Switching to Potential Reduced Exposure Products in Adult Smokers

NCT04250727
View directory record Official record
Conditions
Tobacco Use Disorder, Oral Nicotine Pouch Use, Smoking Behaviors, Harm Reduction, Toxic Effect of Tobacco and Nicotine, Carcinogenesis
Interventions
ZYN
Device
Lead sponsor
Yale University
Other
Eligibility
21 Years to 77 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 30, 2024 · Synced Sep 2, 2026, 6:48 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Implementation and Effectiveness of the BJC-Pink and Pearl Project on Lung Cancer Screening

NCT06898333
View directory record Official record
Conditions
Lung Cancer, Cancer of the Lung
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
279 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Creve Coeur, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 2, 2026, 6:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Natural History of Attempts to Stop Smoking

NCT00995644
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Not listed
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Oct 30, 2016 · Synced Sep 2, 2026, 6:48 PM EDT
Completed Not applicable Interventional Results available

Smoking Cessation Using Motivational Therapy and Varenicline

NCT00701896
View directory record Official record
Conditions
Smoking, HIV Infections
Interventions
Varenicline tartrate, Nicotine Replacement Therapy, Biological Control, Motivational Interview
Drug · Other · Behavioral
Lead sponsor
Philip Diaz
Other
Eligibility
18 Years and older
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 14, 2021 · Synced Sep 2, 2026, 6:48 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study Evaluating The Safety And Efficacy Of Varenicline and Bupropion For Smoking Cessation In Subjects With And Without A History Of Psychiatric Disorders

NCT01456936
View directory record Official record
Conditions
Smoking Cessation
Interventions
Placebo, varenicline tartrate, bupropion hydrochloride, Nicotine Replacement Therapy Patch
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
8,144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
77
States / cities
Mobile, Alabama • Phoenix, Arizona • Encino, California + 61 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2016 · Synced Sep 2, 2026, 6:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparison of Pharmacokinetic Parameters Between Adopters of Electronic Cigarettes and a Historical Sample of Combustible Cigarette Smokers

NCT02730676
View directory record Official record
Conditions
Smoking
Interventions
Electronic Cigarette #1, Electronic Cigarette #2
Other
Lead sponsor
R.J. Reynolds Vapor Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Lakewood, Colorado
Source: ClinicalTrials.gov public record
Updated May 31, 2018 · Synced Sep 2, 2026, 6:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Natural History of Gene Expression in the Lung Cells of Non-Smokers, Smokers and Ex-Smokers in Health and Disease

NCT00974064
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD), Smoking, Smoking Cessation, Chronic Bronchitis, Emphysema
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 26, 2020 · Synced Sep 2, 2026, 6:48 PM EDT
Terminated Not applicable Interventional

Effect of Switching From Cigarette Smoking to THS on Disease Progression in Mild to Moderate COPD Subjects With Chronic Bronchitis Symptoms.

NCT05569005
View directory record Official record
Conditions
COPD, Smoking, Tobacco Use
Interventions
THS use, Cigarette, Smoking Abstinence
Other
Lead sponsor
Philip Morris Products S.A.
Industry
Eligibility
35 Years to 65 Years
Enrollment
715 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
81
States / cities
Brandon, Florida • Cape Coral, Florida • Clearwater, Florida + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced Sep 2, 2026, 6:48 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study To Evaluate Cardiac Assessments Following Different Treatments Of Smoking Cessation Medications In Subjects With And Without Psychiatric Disorders.

NCT01574703
View directory record Official record
Conditions
Smoking Cessation
Interventions
placebo, varenicline tartrate, bupropion hydrochloride, Nicotine Replacement Therapy Patch
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
4,595 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
65
States / cities
Mobile, Alabama • Encino, California • Escondido, California + 54 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2016 · Synced Sep 2, 2026, 6:48 PM EDT
Completed No phase listed Observational

Prospective Natural History Study of Smoking, Immune Cell Profiles, Epigenetics and COVID-19

NCT04403386
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
30 Years to 55 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 2, 2026, 6:48 PM EDT
Completed No phase listed Observational Results available

Airway Limitation Study: Study In Primary Care Centers Of Chronic Bronchitis In Long-Term Cigarette Smokers Of At Least 40 Years Of Age With Symptoms Of Cough And Shortness Of Breath

NCT00442468
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Non-interventional study.
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
1,283 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
47
States / cities
Highlands Ranch, Colorado • Wheat Ridge, Colorado • Clearwater, Florida + 43 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2013 · Synced Sep 2, 2026, 6:48 PM EDT
Completed No phase listed Observational

Vanguard Study for Head and Neck Cancer or Non-Small Cell Lung Cancer (NSCLC) Patients

NCT00352391
View directory record Official record
Conditions
Head and Neck Cancer, Lung Cancer
Interventions
Assessments
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2016
U.S. locations
3
States / cities
Fort Gordon, Georgia • Johnstown, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 2, 2016 · Synced Sep 2, 2026, 6:48 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 6, 2026 · Synced Sep 2, 2026, 6:48 PM 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 2, 2026, 6:48 PM EDT
Terminated No phase listed Observational

Adolescent Vaping Characterization and Parent Views on Adolescent Vaping Protocol

NCT05669716
View directory record Official record
Conditions
Healthy Volunteers, Vaping Teens
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
13 Years to 120 Years
Enrollment
726 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Sep 2, 2026, 6:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Multimodal Neuroimaging Genetic Biomarkers of Nicotine AddictionSeverity

NCT01867411
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
159 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 2, 2026, 6:48 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Hippocampal Network Changes Following Mindfulness Training in Tobacco Vaping Adolescents in an Open-label, Pilot Study

NCT06503159
View directory record Official record
Conditions
Vaping Teens, Healthy Volunteers
Interventions
Mindfulness-based Stress Reduction (MBSR) Program, functional magnetic resonance imaging (fMRI)
Behavioral · Other
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
13 Years to 18 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 2, 2026, 6:48 PM EDT