Exhaled Breath, Healthy Subjects, Mass Spectrometry
Conditions
Brief summary
The purpose of this study is to detect a specific profile of breath in healthy subjects by an untargeted metabolomic study using exhaled breath analysis by mass spectrometry.
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
1. Normal spirometry (forced expiratory volume in 1 second (FEV1) \> 80%, forced vital capacity (FVC) \> 80%, FEV1/FVC \> 70%.). 2. Age between 18 and 90 years at study entry.
Exclusion criteria
1. Presence of an active malignancy. 2. Presence of any lung disease (e.g. asthma, chronic obstructive pulmonary disease (COPD), sarcoidosis) 3. Acute inflammatory disease (e.g. common cold) within the last 6 weeks. 4. Acute or chronic hepatic disease. 5. Renal failure or renal replacement therapy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome will be the mass spectrometric exhaled breath pattern of healthy subjects. | 1 day, single measurement, no follow up |
Countries
Switzerland