A randomized, double-blind, chronic dosing (24 weeks), placebo-controlled, parallel group, multi-center study to assess the efficacy and safety of glycopyrronium and formoterol fumarate inhalation aerosol (GFF; PT003), formoterol fumarate inhalation aerosol (FF; PT005), and glycopyrronium inhalation aerosol (GP; PT001) in subjects with moderate to very severe COPD, compared with placebo.
A chronic dosing (24 weeks) study to assess the efficacy and safety GFF MDI; PT003), FF MDI; PT005, and GP MDI; PT001) in subjects with moderate to very severe COPD, compared with placebo.