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  • Title: Safety and tolerability of NVA237, a once-daily long-acting muscarinic antagonist, in COPD patients.
    Author: Vogelmeier C, Verkindre C, Cheung D, Galdiz JB, Güçlü SZ, Spangenthal S, Overend T, Henley M, Mizutani G, Zeldin RK.
    Journal: Pulm Pharmacol Ther; 2010 Oct; 23(5):438-44. PubMed ID: 20416390.
    Abstract:
    NVA237 is a novel once-daily inhaled long-acting muscarinic antagonist administered via a dry powder inhaler. This randomized, double-blind, placebo-controlled study evaluated the safety, tolerability and bronchodilator efficacy of two doses of NVA237 (100 and 200 microg), versus placebo, in patients with moderate-to-severe COPD (forced expiratory volume in 1s [FEV(1)]>or=30% and <80% predicted and FEV(1)/forced vital capacity [FVC]<0.7, 30 min after inhalation of 80 microg ipratropium bromide). After appropriate washout periods, patients were randomized to treatment with NVA237 100 microg (n=92), NVA237 200 microg (n=98) or placebo (n=91) for 28 days. The primary objective was evaluation of safety, with efficacy measures included as secondary objectives. NVA237 was generally well tolerated and associated with a frequency and distribution of adverse events similar to placebo. Serious adverse events were uncommon and there was no evidence of adverse cardiovascular effects or unexpected events. Trough FEV(1) was significantly higher in those receiving NVA237 compared with placebo. For NVA237 100 microg the differences were 131 and 161 mL on Days 1 and 28, respectively (p<0.05), and for NVA237 200 microg the differences were 146 and 151 mL on Days 1 and 28, respectively (p<0.05). Peak FEV(1), FEV(1) at all timepoints up to 24h after dosing, and FEV(1) area under the curve during 5 min-5 h post-dosing were also significantly higher in both NVA237 groups, compared with placebo. Patients receiving NVA237 required fewer daily puffs of rescue medication and had a higher percentage of days on which rescue medication was not required. Overall, the present study provides further evidence of the safety, tolerability and bronchodilator efficacy of once-daily treatment with NVA237 100 and 200 microg in patients with moderate-to-severe COPD.
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