Clinical trials: Exhaled Breath
Attitude to Health
Mucociliary Clearance, Airway Inflammation and Nasal Symptoms in Urban Motorcycle-drivers
Professionals working in polluted areas may present increased airways symptoms and dysfunction. Rhinopharyngeal retrograde clearance (RRC) has been used to improve mucus clearance in infants with bronchitis and bronchiolitis.
- Trial name
- NCT03510585
- Testing
- saline and sniffing, sniffing
- Where
- 2 sites in Brazil
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Chronic Obstructive Pulmonary Disease
Endotoxin and Inflammatory Markers in Healthy Non-Smokers and Current Smokers Including Patients With Chronic Obstructive Pulmonary Disease (COPD)
The primary aim of this study is to investigate the effects of inhaled lipopolysaccharide endotoxin (LPS) on bronchial and alveolar exhaled nitric oxide (NO) and NO metabolites and other inflammatory markers and mediators in…
- Trial name
- NCT00159289
- Testing
- Inhalation of LPS
- Where
- United Kingdom
- Volunteers
- healthy volunteers welcome
- Sponsor
- Imperial College London
Carboxyhemoglobin, Vital Signs
Evaluation of the Acute Effect of Water-Pipe Smoking on the Respiratory System
Title: The acute effect of water pipe smoking on exhaled nitric oxide (eNO) and exhaled breath condensate (EBC) pulmonary function tests in healthy volunteers Objectives: To evaluate the acute effect of one cession of water pipe…
- Conditions
- Carboxyhemoglobin, Vital Signs, Fractional Exhaled NO, Exhaled Breath Condensate
- Trial name
- NCT01157832
- Where
- 2 sites in Israel
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Rambam Health Care Campus
Breast Cancer
Testing Spectrosense EVA System for Detection of Breast Cancer by Analyzing Volatile Organic Compounds (VOCs) in Exhaled Air
Volatile Organic Compounds (VOC) in human breath are captured and analyzed by the Spectrosense EVA system, which is combination of a gas chromatography (GC) and software algorithm.
- Trial name
- NCT01849328
- Where
- United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Rauscher, Gregory E., M.D. PA
Healthy Adults, Dietary Fiber Fermentation
The Effect of Low or High Dietary Fiber Diet on Volatile Organic Compounds in Exhaled Breath of Healthy Individuals
The aim of this crossover intervention study is to evaluate the volatile organic compounds (VOCs) present in participants at baseline and how these levels change after consuming either a low- or high-dietary fiber diet for three…
- Trial name
- FIBRE-MATCH (NCT07594600)
- Testing
- Low, High Fiber Diet, High, Low Fiber Diet
- Where
- Sweden
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Örebro University, Sweden
Obstructive Sleep Apnea, Inflammation
A Community Study of the Risk for Obstructive Sleep Apnea and Respiratory Inflammation in an Adult Chinese Population
We aimed to investigate the relationship between obstructive sleep apnea (OSA) risk and respiratory inflammation evaluated by the exhaled breath condensate （EBC）interleukin-6 IL-6 and plasma SP-D, based on the Berlin…
- Conditions
- Obstructive Sleep Apnea, Inflammation, Exhaled Breath Condensate, Surveys and Questionnaires
- Trial name
- NCT04832711
- Where
- China
- Volunteers
- 1,270 people, healthy volunteers welcome
- Sponsor
- Peking University First Hospital
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
Tetraplegia, Asthma
Exhaled Breath Condensate Biomarkers of Inflammation in Individuals With Chronic Cervical Spinal Cord Injury
The purpose of this study is to obtain markers of airway inflammation from the exhaled breath condensate (the moisture in exhaled air) for comparison to blood based markers.
- Trial name
- NCT02235714
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Inadequate or Impaired Respiratory Function
The Differential Pattern of Deposition of Nano Particles in the Airways of Exposed Workers
Investigation of the differences between the levels of extracellular and intracellular nano-particles in workers exposed to environmental particles during their employment to enhance understanding the process of penetration of…
- Trial name
- Nanoexposure (NCT01599845)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Tel-Aviv Sourasky Medical Center
Constipation - Functional
Breath Gases, Gut Flora, and Immunity in Children With Constipation
Constipation is a common problem in children that can affect their daily life, school performance, and social activities. Researchers have found that the bacteria living in our intestines (called "gut microbiome") may play an…
- Trial name
- NCT07797491
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Ruijin Hospital
MRI, MRI Image Enhancement
Optimizing Liver MRI Using Breath-Holding With and Without Oxygen
The goal of this interventional study (clinical trial) is to learn if different breath-holding techniques, with and without extra oxygen, can improve the quality of abdominal Magnetic Resonance Imaging (MRI) images in healthy…
- Trial name
- NCT07135401
- Testing
- Breath-hold conditions
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Bronchopulmonary Dysplasia
The Role of Volatile Organic Compounds (VOCs), Airway Mucins and the Microbiome in the Early Prediction of Bronchopulmonary Dysplasia (BPD)
Bronchopulmonary dysplasia (BPD), the most common respiratory complication of extremely preterm birth, significantly impacts healthcare with high morbidity and mortality rates.
- Trial name
- INFANCY (NCT06342752)
- Testing
- Breath test, Throat swabs, Placental samples
- Where
- Belgium
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- University Hospital, Antwerp
Identify Postoperative Delirium Using Exhaled Gas Patterns
Organic Compounds and Postoperative Delirum
This study involves collecting exhaled breath containing hundreds of volatile organic compounds (VOCs) that are present in very low quantity (parts per billion).
- Trial name
- NCT05875220
- Testing
- No intervention
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Healthy
A Pilot Feasibility Study of Detection of IL-11 and Other Cytokines in the Exhaled Breath Condensate (EBC) and Blood of Healthy Volunteers
IL-11 is a receptor previously proven to be highly expressed in human lungs with idiopathic lung fibrosis, and in animal model, IL-11 receptor neutralizing antibody has been shown to prevent the process of fibrosis in…
- Trial name
- NCT05536375
- Testing
- Exhaled breath condensate collection and blood draw
- Where
- Singapore
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- National Heart Centre Singapore
Lung Perfusion, Respiratory Physiology
Effects of Inspiratory vs Expiratory Breath-Hold on Lung Perfusion Measured by EIT Saline Indicator Method: A Self-Controlled Study
This study aims to compare lung perfusion distribution between inspiratory breath-hold and expiratory breath-hold phases using the saline indicator method combined with electrical impedance tomography (EIT).
- Conditions
- Lung Perfusion, Respiratory Physiology, Electrical Impedance Tomography, Ventilation-Perfusion Mismatch
- Trial name
- NCT07303972
- Testing
- Electrical Impedance Tomography Saline Indicator Procedure, Electrical Impedance Tomography Device
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
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
Lung Cancer
Diagnosis of Lung Cancer From Exhaled Breath With Silicon Biophotonic Device
The overall objective of this proposal is to develop a non-invasive, inexpensive and accurate device that detects VOCs in exhaled breath for lung cancer screening.
- Trial name
- NCT01660087
- Testing
- Biophotonic platform for VOC detection
- Where
- 2 sites in Singapore
- Volunteers
- healthy volunteers welcome
- Sponsor
- National University Hospital, Singapore
Multiple Sclerosis
Nanotechnology for Detection of Multiple Sclerosis Compared to Autoimmune and Neurological Diseases by Exhaled Samples
Multiple Sclerosis (MS) is a complex multi-factorial disease, with underlying both genetic and environmental factors. Different populations have different susceptibility to MS.
- Trial name
- NCT01465087
- Testing
- NA-NOSE artificial olfactory system
- Where
- Israel
- Volunteers
- 314 people, healthy volunteers welcome
- Sponsor
- Carmel Medical Center
Lung Cancer, Breast Cancer
Non Invasive Detection of Lung and Breast Cancer by Odor Signature
The investigators have developed an early detection solution for lung and breast cancer. A system which can distinguish between different medical odors based on biosensors.
- Trial name
- NCT02195076
- Testing
- non-invasive detection of cancer odor
- Where
- Israel
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- BioSense Medical LTD
Lung Neoplasm, Lung Disease
The Value of VOCs Analysis in Exhaled Breath for Pulmonary Benign and Malignant Lesion Diagnosis
The purpose of this study is to analysis the volatile organic gases(VOCs) in exhaled breath of pulmonary lesion patients and healthy controls, in order to find the difference of composition and concentration among groups.
- Trial name
- VOCs (NCT02965300)
- Where
- China
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- Chinese PLA General Hospital