The once-daily beta-agonist was better than placebo and at least as good as twice-daily salmeterol, as measured by the SGRQ, TDI, and FEV1 after 12 weeks. The drug previously matched up well against tiotropium. Indacaterol is available in Europe, but not in the U.S. (n=838). ERJ 2011;37:273-279.
Inspiratory muscle training in COPD: Gosselink R, ERJ 2011;37:416-425.