{"nct_id":"NCT02566031","title":"A Randomized, Multicenter, Open-label, Parallel-group, 12-week Study to Assess the Efficacy and Safety of Switching From Tiotropium to QVA149 (Indacaterol Maleate/Glycopyrronium Bromide) in Symptomatic Mild to Moderate COPD Patients","status":"COMPLETED","status_verified_date":"2019-08","start_date":"2013-03-23","start_date_type":"ACTUAL","primary_completion_date":"2018-06-04","primary_completion_date_type":"ACTUAL","completion_date":"2018-06-04","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["NVS"]}