A randomized, double-blind, multicentre, parallel-group, safety and efficacy study comparing two ipratropium /salbutamol(20microgram/100microgram per actuation) formulations delivered by pressurized metered dose inhaler impratropium/salbutamol CFC pMDI vs impratropium/salbutamol HFA pMDI), administered for 12 weeks in adult patients with chronic obstructive pulmonary disease(COPD)
Protocol : No CP/03/04 |