Dataset from A Randomized, Double-Blind, Parallel-Group, 24-Week Study to Evaluate the Efficacy and Safety of ADVAIR DISKUS (Fluticasone Propionate/Salmeterol Combination Product 250/50mcg Inhalation Powder) BID Plus Spiriva HandiHaler (Tiotropium Bromide Inhalation Powder 18mcg) QD Versus Spiriva QD Plus Placebo DISKUS BID in Subjects With Chronic Obstructive Pulmonary Disease (COPD)

The purpose of the study is to determine the efficacy and safety of the combination of ADVAIR DISKUS® 250/50mcg (FLUTICASONE PROPIONATE/SALMETEROL COMBINATION PRODUCT) plus SPIRIVA® HANDIHALER® inhaler 18mcg (TIOTROPIUM) compared to SPIRIVA® HANDIHALER® inhaler 18mcg (TIOTROPIUM) in patients with COPD. SPIRIVA® and HANDIHALER® are trade marks of Boehringer Ingelheim Pharma GmbH & Co. KG. ADVAIR DISKUS® are registered trademarks of the GSK group of companies.