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ClinicalTrials.gov public records Last synced Oct 4, 2026, 4:01 AM EDT

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Showing 1–24 of 24 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Exhaled Breath Condensate Clear all
Terminated No phase listed Observational Results available

Protein Biomarker Discovery and Validation in Chronic Obstructive Pulmonary Disease (COPD) And Asthma

NCT02487394
View directory record Official record
Conditions
Asthma, COPD
Interventions
Exhaled Breath Condensate (EBC)
Procedure
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 18, 2023 · Synced Oct 4, 2026, 4:01 AM EDT
Terminated No phase listed Observational

Exhaled Breath Condensate pH in Patients With Cough Caused by Gastroesophageal Reflux

NCT00451841
View directory record Official record
Conditions
Cough, Gastroesophageal Reflux
Interventions
RTube Exhaled Breath Condensate Collection System
Device
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 26, 2018 · Synced Oct 4, 2026, 4:01 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Savannah Environmental Nutrition Study (SENS): Nutrition Intervention to Reduce Air Pollution-Related Airway Inflammation and Oxidative Stress

NCT07797413
View directory record Official record
Conditions
Air Pollution Exposure, Oxidative Stress, Airway Inflammation
Interventions
Antioxidant- and Nutrient-Rich Food-Based Nutrition Intervention
Other
Lead sponsor
Georgia Southern University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 4, 2026, 4:01 AM EDT
Recruiting No phase listed Observational

Effect of Alcohol and Drugs of Abuse on Immune Function in Critically Ill Patients With Respiratory Failure

NCT02299921
View directory record Official record
Conditions
Infection, Alcohol Abuse, Drugs of Abuse, Lung Injury
Interventions
Characterize alcohol and drug use
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 90 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Oct 4, 2026, 4:01 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Implications and Stability of Clinical and Molecular Phenotypes of Severe Asthma

NCT01748175
View directory record Official record
Conditions
Asthma, Severe Persistent Asthma
Interventions
Triamcinolone Acetonide
Drug
Lead sponsor
Sally E. Wenzel MD
Other
Eligibility
6 Years and older
Enrollment
715 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 16, 2022 · Synced Oct 4, 2026, 4:01 AM EDT
Completed No phase listed Observational

Using Breath Metabolites to Determine Specific Virus Infection in Asthmatic Patients

NCT03089970
View directory record Official record
Conditions
Upper Respiratory Tract Infections, Asthma, Exhaled Breath
Interventions
Exhaled breath condensate collection
Diagnostic Test
Lead sponsor
University of California, Davis
Other
Eligibility
12 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2021 · Synced Oct 4, 2026, 4:01 AM EDT
Completed Phase 4 Interventional

Mometasone and Markers of Airway Inflammation

NCT00711165
View directory record Official record
Conditions
Asthma
Interventions
Placebo, Mometasone Furoate
Drug
Lead sponsor
Creighton University
Other
Eligibility
19 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 8, 2008 · Synced Oct 4, 2026, 4:01 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Biomarkers in Exhaled Breath From Asthmatic Patients

NCT00635271
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 5, 2019 · Synced Oct 4, 2026, 4:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Utilizing Exhaled Breathe Condensate Collection to Study Ion Regulation in Cystic Fibrosis

NCT01880723
View directory record Official record
Conditions
Cystic Fibrosis, Healthy
Interventions
Albuterol, Placebo saline
Drug
Lead sponsor
University of Arizona
Other
Eligibility
15 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Oct 4, 2026, 4:01 AM EDT
Completed No phase listed Observational

Sample Collections From the Airways of Asthmatic Patients

NCT00001888
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 75 Years
Enrollment
574 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 4, 2026, 4:01 AM EDT
Completed No phase listed Observational

sPLA2 in EBC During Acute Chest Syndrome

NCT03250585
View directory record Official record
Conditions
Sickle Cell Disease, Acute Chest Syndrome
Interventions
Exhaled Breath Condensate (EBC), Plasma Sample
Diagnostic Test
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
7 Years to 30 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Oct 4, 2026, 4:01 AM EDT
Terminated Not applicable Interventional Results available

Exhaled Breath Analysis to Predict Risk of Symptomatic Pneumonitis

NCT04040244
View directory record Official record
Conditions
Pneumonitis, Nonsmall Cell Lung Cancer Stage III
Interventions
Exhaled Breath Collection, Blood sample
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Oct 4, 2026, 4:01 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Exhaled Breath Condensate Biomarkers of Inflammation in Individuals With Chronic Cervical Spinal Cord Injury

NCT02235714
View directory record Official record
Conditions
Tetraplegia, Asthma
Interventions
Not listed
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2014 · Synced Oct 4, 2026, 4:01 AM EDT
Not listed No phase listed Observational

Continuous Exhaled Breath Condensate pH in Mechanically Ventilated Patients

NCT00429637
View directory record Official record
Conditions
Respiratory Distress Syndrome, Adult, Respiratory Syncytial Virus Infections, Pneumonia, Acute Lung Injury
Interventions
Not listed
Lead sponsor
University of Virginia
Other
Eligibility
1 Hour and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 7, 2008 · Synced Oct 4, 2026, 4:01 AM EDT
Completed Phase 4 Interventional

Non-invasive Ways to Evaluate Lung Disease After Treatment With Xolair

NCT00139152
View directory record Official record
Conditions
Lung Disease
Interventions
Placebo, Xolair
Drug
Lead sponsor
Creighton University
Other
Eligibility
12 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
2
States / cities
Omaha, Nebraska • Albany, New York
Source: ClinicalTrials.gov public record
Updated Jan 7, 2014 · Synced Oct 4, 2026, 4:01 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Airflow Obstruction and Biomarkers of Airway Inflammation During and Following Acute Exacerbations of Childhood Asthma

NCT01227070
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
6 Years to 18 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 22, 2010 · Synced Oct 4, 2026, 4:01 AM EDT
Completed No phase listed Observational

Exhaled Breath Condensate as a Measure of Airway Inflammation in Children With Asthma

NCT00078208
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
5 Years to 17 Years
Enrollment
128 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 2, 2017 · Synced Oct 4, 2026, 4:01 AM EDT
Terminated Not applicable Interventional

Serial, Non-invasive Analysis of Exhaled Breath Condensate in Ventilated Trauma Patients

NCT02652247
View directory record Official record
Conditions
Ventilator Associated Pneumonia (VAP)
Interventions
molecular analysis of exhaled breath condensate, molecular analysis of mini-bronchoalveolar lavage (BAL) aspirate, molecular analysis of bronchoalveolar lavage (BAL) aspirate
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 4, 2022 · Synced Oct 4, 2026, 4:01 AM EDT
Completed No phase listed Observational

Role of Leukotrienes and Adenosine in Hyperpnea-induced Bronchospasm

NCT00710255
View directory record Official record
Conditions
Asthma, Exercise Induced
Interventions
Hyperpnea challenge
Procedure
Lead sponsor
University of Vermont
Other
Eligibility
12 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Colchester, Vermont
Source: ClinicalTrials.gov public record
Updated Oct 31, 2016 · Synced Oct 4, 2026, 4:01 AM EDT
Terminated No phase listed Observational

Effects of Oxygen on Lung Tissue During Anesthesia

NCT00715338
View directory record Official record
Conditions
Lung Injury, Acute
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 20, 2017 · Synced Oct 4, 2026, 4:01 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Breath Condensate Study in Patients With Cystic Fibrosis.

NCT02056132
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Exhaled Breath Condensate
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 25, 2023 · Synced Oct 4, 2026, 4:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Validation of Biomarkers of Exposure and Host Response

NCT00468234
View directory record Official record
Conditions
Cigarette Smoker
Interventions
nicotine polacrilex, nicotine transdermal system, nicotine inhaler
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Oct 4, 2026, 4:01 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Hyperpolarized Xenon-129 MR Imaging of the Lung

NCT04662658
View directory record Official record
Conditions
E-Cig Use
Interventions
Hyperpolarized Xenon -129 MRI
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 10, 2020 · Synced Oct 4, 2026, 4:01 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Biomarkers of Irritant-Induced and Allergic Asthma

NCT02740543
View directory record Official record
Conditions
Asthma
Interventions
Fluticasone propionate HFA 220
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced Oct 4, 2026, 4:01 AM EDT