The Purpose of the This Study is to Evaluate the Spirometric Effect (Trough FEV1) of Umeclidinium/Vilanterol 62.5/25 mcg Once Daily Compared With Tiotropium 18mcg Once Daily Over a a 12-week Treatment Period in Subjects With COPD Who Continue to Have Symptoms on Tiotropium

Summary

The primary objective is to compare the efficacy of UMEC/VI Inhalation Powder (62.5/25 mcg) once-daily with tiotropium (18 mcg) once-daily over 12 weeks for the treatment of subjects with COPD who have received tiotropium and continue to have symptoms while on tiotropium.

Timeline

Start

2014-09-15

Primary completion

2015-07-22

Completion

2015-07-22

Drugs

Indications