Study design (if review, criteria of inclusion for studies)
Interventional - Allocation: Randomized|Intervention Model: Parallel Assignment|Masking: Double (Participant, Investigator)|Primary Purpose: Treatment
Participants
Cystic Fibrosis - 12 Years and older (Child, Adult, Older Adult)
Interventions
Drug: BI 1265162|Drug: Placebo
Outcome measures
Efficacy of BI 1265162 is the change from baseline in percent predicted trough Forced Expiratory Volume in 1 Second (FEV1)|Change from baseline in Lung Clearance Index (LCI) assessed by N2 Multiple Breath Washout (N2MBW) procedure|Change from baseline in Cystic Fibrosis Questionnaire Revised (CFQ-R) total score|Change from baseline in Cough and Sputum Assessment Questionnaire (CASA-Q) (4 separate sub-scores)|Percentage of patients with treatment-emergent Adverse Events (AE)|Cmax,N (maximum measured concentration of the analyte in plasma following dose N)|Cpre,N (predose concentration measured for dose N)|AUC0-t,N (area under the concentration-time curve of the analyte in plasma until t hours after dose N)