Evaluation of diurnal variation in forced vital capacity in patients with fibrotic interstitial lung diseases using home spirometry
Completed
- Conditions
- fibrotic interstitial lung diseasespulmonary fibrosis10024967
Recruitment & Eligibility
- Status
- Completed
- Sex
- Not specified
- Target Recruitment
- 50
Inclusion Criteria
Patients diagnosed with fibrotic interstitial lung disease
Exclusion Criteria
- Not able to speak, read or write in Dutch
- Not able to comply to the study protocol, according to the judgement of the investigator and/or patient
- Life expectancy less than six months, according to the judgment of the investigator.
Study & Design
- Study Type
- Observational non invasive
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <p>The primary outcome is the difference in FVC between measurements in the<br /><br>morning and afternoon</p><br>
- Secondary Outcome Measures
Name Time Method <p>- Difference in Forced Expiratory Volume in 1 second (FEV1) between<br /><br>measurements in the morning and afternoon.<br /><br><br /><br>- Difference in Peak Expiratory Flow (PEF) between measurements in the morning<br /><br>and afternoon.<br /><br><br /><br>- Difference in HRQOL at baseline and after 6 weeks measured by K-BILD.<br /><br><br /><br>- Exploratory comparison of the differences in change in FVC between<br /><br>different fibrotic interstitial lung diseases.<br /><br><br /><br>- Difference in activity (steps) between morning and afternoon</p><br>