Randomised, Double-blind, Placebo-controlled, 6 Treatment, 4 Period, Incomplete Cross-over Trial to Characterise the 24-hour Lung Function Profiles of Tiotropium + Olodaterol Fixed Dose Combination (2.5/5 µg, 5/5 µg), Tiotropium (2.5 µg, 5 µg) and Olodaterol (5 µg) (Oral Inhalation, Delivered by the Respimat® Inhaler) After 6 Weeks Once Daily Treatment in Patients With Chronic Obstructive Pulmonary Disease (COPD) [VIVACITOTM]

Forced Expiratory Volume in 1 Second (FEV1) AUC0-24h Response [L] After 6 Weeks Treatment.

时间窗: day 1 and week 6

Area under the Forced Expiratory Volume in 1 second (FEV1) after 6 weeks treatement-time curve from 0 to 24 h post-dose, using the trapezoidal rule, divided by the duration (24 h) to report in litres. Mean is actually the Adjusted mean. The adjusted mean and standard error (SE) are obtained from fitting a mixed effect model repeated measures (MMRM) including fixed effects of treatment and period; period baseline and patient baseline as covariates; patient as a random effect; compound symmetry covariance structure for within-patient variation and Kenward-Roger approximation of denominator degrees of freedom.