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  • Title: Indacaterol once-daily is equally effective dosed in the evening or morning in COPD.
    Author: Magnussen H, Verkindre C, Jack D, Jadayel D, Henley M, Woessner R, Higgins M, Kramer B, INPUT study investigators.
    Journal: Respir Med; 2010 Dec; 104(12):1869-76. PubMed ID: 20850959.
    Abstract:
    UNLABELLED: Indacaterol is a novel, inhaled, long-acting β(2)-agonist providing 24-h bronchodilation with once-daily (o.d.) dosing in patients with COPD. In this double-blind, incomplete block crossover study, patients with moderate-to-severe COPD were randomised to receive three treatment cycles from: indacaterol 300 μg o.d. dosed PM or AM, salmeterol 50 μg twice daily or placebo, each for 14 days. Trough FEV(1) was measured 24 h after indacaterol, and 12 h after salmeterol. Ninety-six patients (mean age: 64 years; post-bronchodilator FEV(1) 57% predicted, FEV(1)/FVC 55%) were randomised; 83 completed. After 14 days, the difference vs. placebo in trough FEV(1) for PM indacaterol was 200 mL (p < 0.001 [primary analysis]) and for AM indacaterol was 200 mL (p < 0.001). Compared with salmeterol, trough FEV(1) for PM indacaterol was 110 mL higher (p < 0.001), and for AM indacaterol was 50 mL higher (p = NS). Over 14 days, vs. placebo, both PM and AM indacaterol improved the % of nights with no awakenings (by 11.9 and 8.1 points; p < 0.01); the % of days with no daytime symptoms (by 6.7 and 5.5 points; p < 0.05); and the % of days able to perform usual activities (by 6.7 and 7.8 points; p < 0.05). Indacaterol provided 24-h bronchodilation and improvement in symptoms regardless of whether taken regularly in the morning or evening. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov NCT00615030.
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