Breath testing for asthma and COPD.
Recruiting
- Conditions
- asthma, COPD, diagnostic accuracy, STARD, intention to diagnoseastma, COPD, diagnostische waarde, STARD, verdenking diagnose
- Registration Number
- NL-OMON28944
- Lead Sponsor
- Academic Medical Centre Amsterdam
- Brief Summary
Previous publication on subject: Fens et al. Am J Respir Crit Care Med. 2009 Dec 1;180(11):1076-82.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- Not specified
- Target Recruitment
- 80
Inclusion Criteria
1. Patients (>16 years old) getting a diagnostic work-up for asthma or COPD in the Academic Medical Centre (Amsterdam) will be included in the study;
2. Differential diagnosis of asthma, COPD, obstructive lung disease;
Exclusion Criteria
Known current diagnosis of asthma and/or COPD.
Study & Design
- Study Type
- Observational non invasive
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method The primary outcome parameter is the breathprint provided by the electronic nose.
- Secondary Outcome Measures
Name Time Method 1. FEV1;<br /><br>2. Reversibility in FEV1;<br /><br>3. PC20 airway hyperresponsiveness;<br /><br>4. Respiratory symptoms.