The primary objective of this observational study is to investigate the correlation between changes from baseline at 52 weeks in forced vital capacity (FVC) and changes from baseline at 52 weeks in dyspnea score points or cough score points as measured with the pulmonary fibrosis questionnaire (L-PF) questionnaire over 52 weeks of nintedanib treatment in patients suffering from chronic fibrosing interstitial lung disease (ILD) with a progressive phenotype (excluding idiopathic pulmonary fibrosis (IPF)).
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Correlation Between Change From Baseline to Week 52 in Forced Vital Capacity (FVC) [% Predicted] and Change From Baseline to Week 52 in Dyspnea Symptom Score
Timeframe: At baseline and at week 52±6.
Correlation Between Change From Baseline to Week 52 in Forced Vital Capacity (FVC) [% Predicted] and Change From Baseline to Week 52 in Cough Symptom Score
Timeframe: At baseline and at week 52±6.