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 Jul 22, 2026, 9:37 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: Non-smokers Clear all
Completed Phase 1 Interventional

Effects of Nicotine on Elements of Attentions in Smokers and Nonsmokers

NCT01034020
View directory record Official record
Conditions
Substance Related Disorder, Nicotine Dependence
Interventions
Nicotine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 9:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Solarplast® on Immunity in Active Smokers and Non-smokers

NCT05162820
View directory record Official record
Conditions
Immunity, Smoking, Cigarette
Interventions
100 mg Solarplast, Placebo
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
30 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Jul 22, 2026, 9:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pilot Study to Evaluate Safety and Efficacy of CigRx™ in Smokers

NCT01262170
View directory record Official record
Conditions
Smoking, Tobacco Use Disorder
Interventions
CigRx Lozenge, Tobacco Lozenge
Dietary Supplement · Other
Lead sponsor
Rock Creek Pharmaceuticals, Inc.
Industry
Eligibility
23 Years to 72 Years
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Martinsburg, West Virginia
Source: ClinicalTrials.gov public record
Updated Oct 29, 2015 · Synced Jul 22, 2026, 9:37 PM EDT
Completed Phase 2 Interventional

Celecoxib in Preventing Lung Cancer in Former Heavy Smokers

NCT00055978
View directory record Official record
Conditions
Lung Cancer
Interventions
celecoxib, placebo
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
45 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2009
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 19, 2011 · Synced Jul 22, 2026, 9:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Developing E-liquid Product Standards (Sweet Spot Study)

NCT05864586
View directory record Official record
Conditions
Nicotine, Nicotine Vaping, E-cigarette Use
Interventions
Vaping study EC A, Vaping study EC B, Vaping study EC C, Vaping study EC D, Vaping study EC E, Vaping study EC F, Vaping study EC G, Vaping study EC H, Vaping study EC I, Vaping study EC J
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years to 50 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Jul 22, 2026, 9:37 PM 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 Jul 22, 2026, 9:37 PM 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 Jul 22, 2026, 9:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Integrative-omics of the Disordered COPD Small Airway Epithelium

NCT02183818
View directory record Official record
Conditions
Smoking, COPD
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 100 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2021 · Synced Jul 22, 2026, 9:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Black Raspberry Phytochemicals on Oral Microbiome in Current Smokers and Non-smokers

NCT02439255
View directory record Official record
Conditions
Healthy Subject, Tobacco Use Disorder
Interventions
Laboratory Biomarker Analysis, Phytochemical, Placebo, Screening Questionnaire Administration
Other · Dietary Supplement
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 50 Years
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 4, 2022 · Synced Jul 22, 2026, 9:37 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 Jul 22, 2026, 9:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low-Dose Galantamine to Potentiate the Attention-Enhancing Effects of Low-Dose Nicotine

NCT02420327
View directory record Official record
Conditions
Basic Science Study of the Mechanisms of Attentional Enhancement by Compounds Acting on the Nicotinic Receptor
Interventions
Placebo patch & placebo capsule, Placebo patch & galantamine capsule, Nicotine patch & placebo capsule, Nicotine patch and galantamine capsule
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
21 Years to 55 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 3, 2019 · Synced Jul 22, 2026, 9:37 PM EDT
Completed Not applicable Interventional Results available

Cessation in Non-Daily Smokers

NCT02168855
View directory record Official record
Conditions
Smoking
Interventions
active nicotine gum, Standard behavioral therapy
Drug · Behavioral
Lead sponsor
Brian Primack
Other
Eligibility
18 Years and older
Enrollment
505 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 5, 2020 · Synced Jul 22, 2026, 9:37 PM EDT
Completed Phase 2 Interventional Results available

Effect of Three Periodontal Therapies in Current Smokers and Non-Smokers

NCT00066066
View directory record Official record
Conditions
Periodontitis, Periodontal Diseases
Interventions
Scaling and root planing, Metronidazole, Amoxicillin, Doxycycline
Procedure · Drug
Lead sponsor
The Forsyth Institute
Other
Eligibility
20 Years and older
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 21, 2013 · Synced Jul 22, 2026, 9:37 PM EDT
Completed No phase listed Observational

Breath Carbon Monoxide and Cotinine as Biomarkers to Distinguish Smokers From Nonsmokers

NCT01031121
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 64 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 9:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Defective FGFR2 Signaling in the Small Airway Basal Progenitor Cells in COPD

NCT02341326
View directory record Official record
Conditions
COPD, Smoking, Lung Disorder
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Jul 22, 2026, 9:37 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Lung Cancer Biomarkers and Screening

NCT00301119
View directory record Official record
Conditions
Lung Cancer
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
50 Years and older
Enrollment
3,606 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jul 22, 2026, 9:37 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

CSD210904: Study to Assess Actual Use of a Heated Tobacco Product With Four Non-Combusted Cigarette Variants in Current Adult Smokers

NCT05102786
View directory record Official record
Conditions
Smoking, Tobacco Use, Tobacco Smoking
Interventions
40007388, 40007385, 40007387, 40007386
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
1,180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
10
States / cities
Atlanta, Georgia • Chicago, Illinois • Baltimore, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2022 · Synced Jul 22, 2026, 9:37 PM 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 Jul 22, 2026, 9:37 PM EDT
Terminated Phase 4 Interventional Results available

Varenicline For Nicotine Vaping Cessation In Non Smoker Vaper Adolescents

NCT04602494
View directory record Official record
Conditions
Vaping, Nicotine Dependence
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 25 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced Jul 22, 2026, 9:37 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 Jul 22, 2026, 9:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tailored Smoking Cessation Intervention in Promoting Sexual and Gender Minority Smokers to Quit Smoking

NCT03669120
View directory record Official record
Conditions
Cigarette Smoker, Current Every Day Smoker
Interventions
Informational Intervention, Telephone-Based Intervention
Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Jul 22, 2026, 9:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluate the Effects of Itraconazole and Ciprofloxacin on Single-Dose PK of Pracinostat in Healthy Nonsmoking Subjects

NCT02118909
View directory record Official record
Conditions
Healthy Volunteers, Non-smokers
Interventions
Pracinostat, Itraconazole, Ciprofloxacin
Drug
Lead sponsor
Helsinn Healthcare SA
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 22, 2017 · Synced Jul 22, 2026, 9:37 PM EDT
Completed No phase listed Observational

Quantitation of Human Cerebral Nicotinie Receptors With 2[18F]FA-85380 and PET Healthy Non-smokers and Ex-Smokers and in Heavy and Light Situational Smokers

NCT01038245
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 9:37 PM EDT
Completed Not applicable Interventional Results available

Varenicline or Nicotine Patch and Nicotine Gum in Helping Smokers in a Methadone Treatment Program Stop Smoking

NCT00790569
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
nicotine, varenicline, placebo
Drug · Other
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 120 Years
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 5, 2018 · Synced Jul 22, 2026, 9:37 PM EDT