Overview Functional Respiratory Imaging Study Status: Recruiting Trial end date: 2022-02-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the stepping-up effect from a double ICS/LABA DPI therapy to a triple DPI therapy on airway geometry and lung ventilation Phase: Phase 3 Details Lead Sponsor: Chiesi Farmaceutici S.p.A.Treatments: BeclomethasoneFormoterol FumarateGlycopyrrolate