Clinical trials: Exhaled Breath
Asthma, Cystic Fibrosis
Standardisation of Measurements in Exhaled Breath and Exhaled Breath Condensate.
Background: in various pediatric pulmonary diseases such as asthma, cystic fibrosis or bronchopulmonary dysplasia an increased inflammation is present.
- Conditions
- Asthma, Cystic Fibrosis, Chronic Lung Disease, Pneumonia
- Trial name
- NCT00983671
- Where
- Netherlands
- Volunteers
- 255 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Diabetes, Hyperglycemia
Miniaturized Breath-based Sensor for the Detection of Hypo- and Hyperglycemia
The purpose of this study is to determine whether an array of biosensors can noninvasively identify hyperglycemic or hypoglycemic events in persons diagnosed with diabetes through noninvasive detection of volatile organic…
- Conditions
- Diabetes, Hyperglycemia, Hypoglycemia (Diabetic)
- Trial name
- NCT07696273
- Testing
- Sensing Device and Tedlar Bags
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Indiana University
Lung Transplant Rejection, Primary Graft Dysfunction
Exhaled Breath Particles in Lung Transplantation
Lung transplantation (LTx) is the only effective treatment for patients with end stage lung disease. Of the major organs transplanted, survival following LTx is the lowest with a mean of 5 years.
- Conditions
- Lung Transplant Rejection, Primary Graft Dysfunction, Chronic Rejection of Lung Transplant
- Trial name
- NCT05375149
- Where
- Sweden
- Volunteers
- 150 people
- Sponsor
- Lund University Hospital
Gastroesophageal Reflux
Serial Exhaled Breath pH Monitoring
This study will seek to determine the amount of acids a person with a chronic cough that is suspected to be related to acid reflux breathes out after coughing.
- Trial name
- NCT00330603
- Testing
- Serial exhaled breath collections
- Where
- United States
- Volunteers
- 99 people
- Sponsor
- University of Virginia
Asthma
Methods of Determining Asthma Severity in Children
Current methods of measuring asthma severity can be problematic when used with children. A measurement called exhaled breath condensates (EBC) may be a more useful way to determine asthma severity in childhood.
- Trial name
- NCT00132834
- Testing
- R-Tube or EcoScreen
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Cystic Fibrosis, Children
Prevention of CF Exacerbation in Childhood: PREVEC Study
Pulmonary exacerbations of CF are an important cause for the experienced disability of patients, respiratory symptoms, and decreases in lungfunction, which require antibiotic therapy at home or in the hospital.
- Conditions
- Cystic Fibrosis, Children, Exhaled Breath Condensate, Non-invasive Inflammatory Markers
- Trial name
- PREVEC (NCT01241890)
- Where
- 3 sites in Netherlands
- Volunteers
- 49 people
- Sponsor
- Maastricht University Medical Center
Asthma
Airflow Obstruction and Biomarkers of Airway Inflammation During and Following Acute Exacerbations of Childhood Asthma
This study is a longitudinal single-center pilot study designed to describe changes in lung function and levels of noninvasive biomarkers of airway inflammation in children ages 6-18 years over two months following…
- Trial name
- NCT01227070
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Seattle Children's Hospital
Asthma, Cystic Fibrosis
FLAME: Airway Inflammation Monitoring in Asthma and Cystic Fibrosis
Background By means of measurements of series of non-invasive inflammatory markers in exhaled breath (condensate), a reflection of inflammatory processes and oxidative stress, can be obtained.
- Trial name
- NCT00404859
- Where
- 4 sites in Netherlands
- Volunteers
- 70 people
- Sponsor
- Maastricht University Medical Center
Asthma
Analysis of Exhaled Breath by Biosensors in Adults With Asthma
The aim of this study is to investigate the pattern of organic volatile compounds (VOCs) in the exhaled breath detected by biosensors in adults with persistent mild asthma.
- Trial name
- NCT00819676
- Testing
- analysis of exhaled breath by biosensors, measurement of exhaled nitric oxide
- Where
- Italy
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Catholic University of the Sacred Heart
Asthma, Chronic Obstructive Pulmonary Disease
EXhaled Hydrogen Peroxide As a Marker of Lung diseasE (EXHALE) Pilot Study.
This Pilot study evaluates the use of a new device called Inflammacheck and whether it can consistently measure hydrogen peroxide levels in exhaled breath condensate.
- Trial name
- EXHALE Pilot (NCT03055923)
- Testing
- The Inflammacheck Device
- Where
- United Kingdom
- Volunteers
- 149 people, healthy volunteers welcome
- Sponsor
- Portsmouth Hospitals NHS Trust
Cystic Fibrosis
Volatilomic Approaches for the Study of CFTR Modulators (VOLATIL-CF)
This study relies on the hypotheses that (1) exhaled breath is intimately correlated to the patient's lung condition and that (2)the composition of exhaled breath , i.e.
- Trial name
- VOLATIL-CF (NCT05726994)
- Testing
- exhaled breath collection, Data collection
- Where
- France
- Volunteers
- 50 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Asthma, Children
Reduction of Asthma Exacerbation Rate in Children by Non-invasive Monitoring of Inflammatory Markers in Exhaled Breath (Condensate): the RASTER Study
The purpose of the present proposal was to investigate the predictive properties of markers in exhaled breath to predict an asthma exacerbation.
- Conditions
- Asthma, Children, Home Monitoring, Exhaled Breath Condensate
- Trial name
- RASTER (NCT01239238)
- Where
- 2 sites in Netherlands
- Volunteers
- 102 people
- Sponsor
- Maastricht University Medical Center
Pulmonary Fibrosis
Exhaled Breath Analysis Using eNose Technology as a Biomarker for Diagnosis and Disease Progression in Fibrotic ILD
The ILDnose study a multinational, multicenter, prospective, longitudinal study in outpatients with pulmonary fibrosis. The aim is to assess the accuracy of eNose technology as diagnostic tool for diagnosis and differentiation…
- Trial name
- ILDnose (NCT04680832)
- Testing
- Electronic nose
- Where
- 5 sites in Australia, France and 3 more
- Volunteers
- 600 people
- Sponsor
- Erasmus Medical Center
Noisy Breathing Infants, Noist Breathing Toddlers
Non-invasive Differential Diagnosis of Noisy Breathing Infants and Toddlers
Almost 50% of all children have at least 1 episode of noisy breathing before the age of 2 years and almost 25% of these children have more episodes of noisy breathing.
- Conditions
- Noisy Breathing Infants, Noist Breathing Toddlers, Wheezing, Rattling
- Trial name
- NiNbI (NCT04128592)
- Testing
- diagnosing noisy breathing in infants and toddlers
- Where
- Belgium
- Volunteers
- 100 people
- Sponsor
- Hasselt University
Asthma
Exhaled Breath Condensate as a Measure of Airway Inflammation in Children With Asthma
This study will evaluate the usefulness of a new procedure for evaluating asthma in children. The method measures the pH (a measure of acidity and alkalinity) of exhaled breath condensate (water vapor created by the lungs).
- Trial name
- NCT00078208
- Where
- United States
- Volunteers
- 128 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Asthma, Exercise Induced
Role of Leukotrienes and Adenosine in Hyperpnea-induced Bronchospasm
This research is being conducted to help us better understand what causes exercise induced asthma. The investigators hypothesize that two types of chemicals, cysteinyl leukotrienes and adenosine, play an important role.
- Trial name
- NCT00710255
- Testing
- Hyperpnea challenge
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- University of Vermont
Respiratory Disease
Investigation of Inflammacheck to Measure Exhaled Breath Condensate Hydrogen Peroxide in Respiratory Conditions
People with lung conditions can suffer significantly with their symptoms and often require multiple trips to their GP or secondary care before a diagnosis is made.
- Trial name
- VICTORY (NCT04467190)
- Where
- United Kingdom
- Volunteers
- 425 people
- Sponsor
- Portsmouth Hospitals NHS Trust
Covid19
Rapid Diagnosis of COVID-19 by Chemical Analysis of Exhaled Air
Since the start of 2020, the new SARS-CoV-2 coronavirus is causing a real global health crisis. In France, nasopharyngeal swabs are used to obtain the sample needed for respiratory infection screening.
- Trial name
- COVIDAIR (NCT04706039)
- Testing
- Performance evaluation (sensitivity and specificity) for COVID-19 diagnosis of the Vocus PTR-TOF process
- Where
- France
- Volunteers
- 4,600 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Asthma
Usefulness of Exhaled Breath Condensate for Evaluation of Markers of Airway Inflammation in Children With Asthma
Exhaled breath condensate (EBC) has emerged as a novel noninvasive technique for assessment of airway inflammation, and it provides information on airway lining fluid composition.
- Trial name
- NCT00961155
- Testing
- cyklezonid, montelukast sodium, formoterol 12 mcg twice daily
- Where
- Poland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Medical University of Lodz
Asthma, COPD
Exhaled Breath Metabolomic Biomarkers in the Acutely Breathless Patient
An acute study carried out across three acute admissions units within Leicestershire. The study is aimed at discovery and validation of volatile organic compounds (VOCs) in exhaled breath.
- Conditions
- Asthma, COPD, Heart Failure, Community-acquired Pneumonia
- Trial name
- EMBER (NCT03672994)
- Where
- United Kingdom
- Volunteers
- 650 people, healthy volunteers welcome
- Sponsor
- University of Leicester