• James F Donohue, Dave Singh, Oliver Kornmann, David Lawrence, Cheryl Lassen, and Benjamin Kramer.
• University of North Carolina, Chapel Hill, NC 27599, USA. james_donohue@med.unc.edu
• Int J Chron Obstruct Pulmon Dis. 2011 Jan 1; 6: 477-92.

PurposePooled data were analyzed to evaluate the safety and tolerability of indacaterol, a once-daily inhaled long-acting β(2)-agonist for chronic obstructive pulmonary disease (COPD).Patients And MethodsData were pooled from clinical studies of 3-12 months' duration in patients with moderate-to-severe COPD receiving double-blind indacaterol 75 μg (n = 449), 150 μg (n = 2611), 300 μg (n = 1157), or 600 μg once daily (n = 547); formoterol 12 μg twice daily (n = 556); salmeterol 50 μg twice daily (n = 895); placebo (n = 2012); or tiotropium 18 μg once daily, given open label or blinded (n = 1214). Outcomes were adverse events, serious adverse events and deaths, plasma potassium, blood glucose, and QTc interval and vital signs.ResultsThe commonest adverse events with indacaterol were COPD worsening, nasopharyngitis, and headache; most cases were mild or moderate and incidence was generally similar to placebo and other active treatments. The risk of acute respiratory serious adverse events (leading to hospitalization, intubation, or death) was not significantly increased with any of the active treatments compared with placebo. COPD exacerbation rates (analyzed in the intent-to-treat population) were significantly reduced with all active treatments versus placebo. Hazard ratios versus placebo for major cardiovascular adverse events were < 1 for all indacaterol doses. Notable values for vital signs and measures of systemic β(2)-adrenoceptor activity were rare with indacaterol. The number of deaths adjusted per patient-year was lower with indacaterol (all doses combined) than with placebo (relative risk 0.21 [95% confidence interval 0.07-0.660], P = 0.008).ConclusionIndacaterol has a good profile of safety and tolerability that is appropriate for the maintenance treatment of patients with COPD.

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