Clinical trials: Exhaled Breath
Tobacco Use
Characterization of Selected Aerosol Constituents Levels in the Exhaled Breath of Adult e-Vapor Users
This is an open-label, 4-way crossover study designed to estimate the nicotine, glycerin, propylene glycol, menthol, formaldehyde, acetaldehyde, and acrolein levels in exhaled breath samples during use of four MarkTen® XL e-vapor…
- Trial name
- NCT04881942
- Testing
- e-Vapor Product A, e-Vapor Product B, e-Vapor Product C
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Altria Client Services LLC
Cystic Fibrosis, Healthy
Utilizing Exhaled Breathe Condensate Collection to Study Ion Regulation in Cystic Fibrosis
Our aims were to determine if exhaled breath condensate (EBC) could detect differences in ion regulation between cystic fibrosis (CF) and healthy and measure the effect of the albuterol on EBC ions in these populations.
- Trial name
- NCT01880723
- Testing
- Albuterol
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Sepsis
Changes in Exhaled 13CO2/12CO2 Breath Delta Value as an Early Indicator of Infection in ICU Patients
Carbon-12 and carbon-13 are naturally-abundant isotopes in exhaled breath carbon dioxide. The ratio of carbon-13 to carbon-12 in exhaled breath is known as the breath delta value (BDV).
- Trial name
- NCT02327130
- Testing
- Isomark Canary™
- Where
- 6 sites in United States
- Volunteers
- 32 people
- Sponsor
- Isomark, LLC
CO2 Clearance, Mask Comfort
Noninvasive Ventilation Masks Carbon Dioxide Clearance in Normal Volunteers
This study will be a randomized crossover trial that will be conducted at Rush University. The study will be conducted with 20 healthy volunteers who will be placed on ICU ventilator operating in the NIPPV mode.
- Conditions
- CO2 Clearance, Mask Comfort, Rebreathing Exhaled Gas
- Trial name
- NCT03882723
- Testing
- Evaluated 4 masks used for NIV with mechanical ventilators
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Asthma
Biomarkers of Irritant-Induced and Allergic Asthma
Asthma is a heterogeneous disease, and although much is understood about mechanisms of inflammation in allergic asthma, less is known about mechanisms of irritant-induced asthma (IA).
- Trial name
- NCT02740543
- Testing
- Fluticasone propionate HFA 220
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Coronary Artery Disease, Ischemic Heart Disease
Volatilome and Single-Lead Electrocardiogram Optimize Ischemic Heart Disease Diagnosis Using Machine Learning Models
This is a prospective, case-control, single-center, observational, non-randomized study. It is designed to evaluate the diagnostic accuracy of functional tests involving physical exertion monitored via a 12-lead ECG, combined…
- Conditions
- Coronary Artery Disease, Ischemic Heart Disease, Chronic Coronary Disease, Angina Pectoris
- Trial name
- NCT06181799
- Testing
- Mass spectrometry using the PTR TOF-1000 (IONICON PTR-TOF-MS - Trace VOC Analyzer, Eduard-Bodem-Gasse 3, 6020 Innsbruck, Austria (Europe).
- Where
- Russia
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- I.M. Sechenov First Moscow State Medical University
Bronchiectasis
Assessment of an Exhaled Breath Test to Detect Bronchiectasis
To investigate whether the breath test is able to detect bronchiectasis using breathomics. This study was conducted with a prospective specimen collection, evaluator-blinded, case-controlled clinical study designed to evaluate…
- Trial name
- NCT05293314
- Testing
- An exhaled breath test
- Where
- China
- Volunteers
- 544 people, healthy volunteers welcome
- Sponsor
- Shanghai Pulmonary Hospital, Shanghai, China
Proof Of Concept Study
Measuring Hydrogen Peroxide in Exhaled Breath Condensate in HV
The purpose of this study is to evaluate the performance of an Exhaled Breath Condensate (EBC) device. EBC measurements can be used for the assessments of lung inflammation in asthma and chronic obstructive pulmonary disease…
- Trial name
- NCT05844553
- Testing
- Measurement of inhaled measuring hydrogen peroxide in exhaled breath
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Smoking Cessation
Analysis of Aldehyde Biomarkers of Exposure and Host Response
Analysis of aldeyde biomarkers of exposure and host response The purpose of this prospective, open-label, clinical trial is to establish the feasibility and validity of exhaled breath condensate (EBC) biomarkers for use in…
- Trial name
- NCT00482690
- Testing
- nicotine polacrilex, nicotine transdermal system, nicotine inhaler
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- University of Nebraska
COPD Exacerbation
Molecular Breath Print of COPD Patients With Exacerbations Despite Triple Inhalational Therapy
Determination of specific molecular breath patterns by secondary electrospray ionization mass spectrometry (SESIHRMS) during and 8 weeks after a COPD exacerbation.
- Trial name
- TripleEX (NCT04638920)
- Testing
- No intervention
- Where
- Switzerland
- Volunteers
- 35 people
- Sponsor
- Malcolm Kohler
Pneumonitis, Nonsmall Cell Lung Cancer Stage III
Exhaled Breath Analysis to Predict Risk of Symptomatic Pneumonitis
This is a prospective pilot study investigating exhaled breath condensate analyses to quantify the variability over time of various biomarkers associated with symptomatic pneumonitis.
- Trial name
- NCT04040244
- Testing
- Exhaled Breath Collection, Blood sample
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Wake Forest University Health Sciences