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ClinicalTrials.gov public records Last synced Sep 10, 2026, 4:32 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Sputum Clear all
Completed Phase 2 Interventional

Sputum Cytology in Screening Heavy Smokers For Lung Cancer

NCT00103363
View directory record Official record
Conditions
Lung Cancer
Interventions
cytology specimen collection procedure, physiologic testing, annual screening, study of high risk factors
Other · Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
25 Years and older
Enrollment
3,270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 1994
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 6, 2014 · Synced Sep 10, 2026, 4:32 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effects of Montelukast on Occult Exercise-Induced Bronchospasm in Athletes

NCT00375232
View directory record Official record
Conditions
Exercise-Induced Bronchospasm
Interventions
Administration of montelukast or placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2006
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 6, 2016 · Synced Sep 10, 2026, 4:32 PM EDT
Recruiting No phase listed Observational

Molecular Predictors of Cancer in Patients at High Risk of Lung Cancer

NCT00898313
View directory record Official record
Conditions
Lung Cancer
Interventions
comparative genomic hybridization, gene expression microarray analysis, proteomic profiling analysis, biologic sample preservation procedure, nasal brushing, Blood draw, Urine collection, sputum sample, fluorescence bronchoscopy with airway biopsy, fine needle aspiration of the lung, thoracentesis
Genetic · Other · Procedure
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2027
U.S. locations
2
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 10, 2026, 4:32 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Lung Fluid and Tissue Samples for Research

NCT00471250
View directory record Official record
Conditions
Leukocyte Disorders, Respiratory Tract Diseases, Bronchoscopy
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
5 Years to 100 Years
Enrollment
550 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 10, 2026, 4:32 PM EDT
Recruiting No phase listed Observational

Remote Sputum Collection in Cystic Fibrosis

NCT06950892
View directory record Official record
Conditions
Cystic Fibrosis, Infections
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
4
States / cities
Denver, Colorado • Baltimore, Maryland • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 10, 2026, 4:32 PM EDT
Active, not recruiting No phase listed Observational

Feasibility and Acceptance of SonoHeal for Airway Clearance and Preliminary Comparison With the Standard of Care

NCT07568119
View directory record Official record
Conditions
Cystic Fibrosis (CF), Non Cystic Fibrosis Bronchiectasis, Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Airway clearance therapy through acoustic oscillations
Device
Lead sponsor
Cognita Labs LLC
Industry
Eligibility
11 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Santa Ana, California
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 10, 2026, 4:32 PM EDT
Terminated No phase listed Observational

COPD Exacerbation Blood and Urine Biomarkers Study

NCT03823443
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Acute Exacerbation Copd, Alpha-1 Anti-trypsin Deficiency
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
35 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2024 · Synced Sep 10, 2026, 4:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Airway Macrophages and Sputum Milieu in Adult Subjects With Airflow Obstruction

NCT00871637
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Bronchitis, Chronic, Occupational Diseases, Tobacco Use Disorder
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
50 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Sep 10, 2026, 4:32 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Azithromycin Treatment for the Airway Microbiome in Asthma

NCT03736629
View directory record Official record
Conditions
Asthma Chronic
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 55 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 22, 2023 · Synced Sep 10, 2026, 4:32 PM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Effectiveness of MEDI-563 in Subjects With Chronic Obstructive Pulmonary Disease (COPD)

NCT01227278
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Placebo, Benralizumab 100 mg
Other · Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
40 Years to 85 Years
Enrollment
421 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
9
States / cities
Los Angeles, California • Marietta, Georgia • Normal, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 4, 2016 · Synced Sep 10, 2026, 4:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Multi-Center Protocol for Obtaining and Storing Human Samples for Immediate or Future Microbial, Immune, or Host-Microbe Scientific Study

NCT00764023
View directory record Official record
Conditions
Infections
Interventions
Not listed
Lead sponsor
Southwest Regional Wound Care Center
Other
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Nov 25, 2015 · Synced Sep 10, 2026, 4:32 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Data and Samples From Healthy Donors for Use in Translational Research

NCT00090662
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 85 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 10, 2026, 4:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic Mutations and Environmental Exposure in Young Patients With Retinoblastoma and in Their Parents and Young Healthy Unrelated Volunteers

NCT00690469
View directory record Official record
Conditions
Extraocular Retinoblastoma, Intraocular Retinoblastoma, Recurrent Retinoblastoma
Interventions
Laboratory Biomarker Analysis, Questionnaire Administration
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Not listed
Enrollment
234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
49
States / cities
Los Angeles, California • Madera, California • San Francisco, California + 38 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2019 · Synced Sep 10, 2026, 4:32 PM EDT
Completed Not applicable Interventional

Effect of Curcumin on Lung Inflammation

NCT01514266
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Curcumin+Bioprine, Placebo
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
40 Years to 80 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2012 · Synced Sep 10, 2026, 4:32 PM EDT
Active, not recruiting No phase listed Observational

Nashville Early Diagnosis Lung Cancer Project

NCT01475500
View directory record Official record
Conditions
Lung Cancer
Interventions
Sputum sample, Pulmonary function tests, Computerized tomography (CT) scan of the chest, Buccal epithelium collection, Nasal brushings, Bronchoscopy, Bronchoalveolar lavage, Blood sample collection, Urine sample, Questionnaire-data collection
Procedure · Radiation · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
55 Years to 80 Years
Enrollment
480 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
2
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Sep 10, 2026, 4:32 PM EDT
Completed Phase 1 Interventional

Hydroxychloroquine in Cystic Fibrosis

NCT00311883
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
hydroxychloroquine
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
16 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 29, 2008 · Synced Sep 10, 2026, 4:32 PM EDT
Completed No phase listed Observational

Determination of the in Vitro Effects of Cationic Airway Lining Modulators (CALM) on Chronic Obstructive Pulmonary Disease (COPD) Sputum

NCT01096173
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
Pulmatrix Inc.
Industry
Eligibility
35 Years to 90 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 10, 2011 · Synced Sep 10, 2026, 4:32 PM EDT
Completed No phase listed Observational

Evaluation of Non-Inferiority of Two Fast Follower Nucleic Acid Amplification Tests

NCT02252198
View directory record Official record
Conditions
Tuberculosis
Interventions
Epistem Genedrive® and MolBio Truenat™
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
504 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2017 · Synced Sep 10, 2026, 4:32 PM EDT
Terminated Phase 4 Interventional Results available

Sputum-derived Cellular Targets After Xolair (Omalizumab)

NCT02658877
View directory record Official record
Conditions
Asthma
Interventions
Omalizumab, Placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 29, 2019 · Synced Sep 10, 2026, 4:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intra Oral Application (IOA) Testing Study of a Stannous Toothpaste

NCT07419672
View directory record Official record
Conditions
Dental Caries
Interventions
Negative Control Treatment Slurry (Fluoride-Free), Active Comparator Fluoride Treatment (0.454% SnF), Test Fluoride Treatment (0.454% SnF) (Investigational Toothpaste)
Drug
Lead sponsor
Church & Dwight Company, Inc.
Industry
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Noblesville, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 10, 2026, 4:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

CF And Effects of Drugs Mixed Ex Vivo With Sputum for Mucolytic Treatment

NCT01533636
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 10, 2026, 4:32 PM EDT
Completed No phase listed Observational

Immune Response Under Immunotherapy in Metastatic NSCLC: Sputum, Blood Samples and Microbioata Study

NCT04804137
View directory record Official record
Conditions
Non-squamous Lung Cancer, Metastatic Lung Cancer
Interventions
Blood, sputum, saliva, stool
Other
Lead sponsor
University Hospital, Tours
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 16, 2024 · Synced Sep 10, 2026, 4:32 PM EDT
Recruiting No phase listed Observational

Clinical Microbial Species & Antibiotic Resistance ID in ED Patients Presenting With Infection - is Rapid ID Possible & Accurate?

NCT01904188
View directory record Official record
Conditions
Sepsis, Systemic Inflammatory Response Syndrome, Infection Mixed, Infection, Bacterial, Infection, Fungal, Infection, Coronavirus, Antibiotic Resistance Genes, Human Genome Analysis
Interventions
Gene Z or other rapid diagnostic techniques developed in our lab (as of 2018 not using Gene Z - now using In-Dx along with other developed techniquesregularly)
Device
Lead sponsor
Michigan State University
Other
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2032
U.S. locations
2
States / cities
Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 10, 2026, 4:32 PM EDT
Completed Phase 1 Interventional

A Pilot Study of Methodology to Rapidly Evaluate Drugs for Bactericidal Activity, Tolerance, and Pharmacokinetics in the Treatment of Pulmonary Tuberculosis Using Isoniazid and Levofloxacin

NCT00000778
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Isoniazid, Pyridoxine hydrochloride, Levofloxacin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • Torrance, California + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2008 · Synced Sep 10, 2026, 4:32 PM EDT