Dataset from A Randomized, Double Blind, Chronic Dosing, Placebo-Controlled, Parallel Group, Multi Center Study to Assess the Efficacy and Safety of PT003, PT005, and PT001 in Subjects With Moderate to Very Severe COPD, Compared With Placebo and Spiriva® Handihaler® (Tiotropium Bromide 18 µg Open-Label) as an Active Control

The overall objective of this study is to assess the efficacy and safety of treatment with PT003 (GFF MDI), PT005 (FF MDI), PT001 (GP MDI), and open-label tiotropium bromide inhalation powder compared with each other and Placebo MDI over 24 weeks in subjects with moderate to very severe COPD.