Safety and efficacy of the once-daily anticholinergic BEA2180 compared with tiotropium in patients with COPD

Roger Abrahams, Petra Moroni-Zentgraf, Joe Ramsdell, Hendrik Schmidt, Elizabeth Joseph, Jill Karpel
Respiratory Medicine 2013, 107 (6): 854-62

BACKGROUND: To determine the safety and efficacy of BEA2180, an anticholinergic agent in patients with chronic obstructive pulmonary disease (COPD).

METHODS: Smokers or ex-smokers ≥40 years with COPD and a postbronchodilator forced expiratory volume in 1 s (FEV1) <80% predicted and FEV1/forced vital capacity ≤70% participated in this multinational, randomised, double-blind, parallel study. Patients received BEA2180 (50, 100 or 200 μg), tiotropium (5 μg) or placebo once daily via Respimat Soft Mist™. The primary endpoint was trough FEV1 after 24 weeks. Secondary endpoints included Transition Dyspnoea Index (TDI) focal score, St George's Respiratory Questionnaire (SGRQ) total score, exacerbations and adverse events.

RESULTS: Patients (n = 2080, 64.5% male) had a mean age of 64.2 years and a baseline FEV1 of 1.2 L. Trough FEV1 at 24 weeks with all BEA2180 doses (0.044-0.087 L) and tiotropium 5 μg (0.092 L) was significantly higher (p < 0.0001) than placebo (-0.034 L) and BEA2180 (200 μg) was noninferior to tiotropium. Mean TDI focal scores were higher with BEA2180 (1.43-1.48) or tiotropium (1.46) versus placebo (0.94; p ≤ 0.01 for all). Mean SGRQ total scores also improved with BEA2180 (40.1-40.7) or tiotropium (39.5) compared with placebo (43.0, p < 0.01 for all). COPD exacerbation rates were reduced for all active treatments, reaching statistical significance for BEA2180 (50 and 200 μg) (p < 0.05, for both).

CONCLUSION: All study doses of BEA2180 improved lung function, reduced symptoms and exacerbations, and improved health status in COPD; all treatments were well tolerated. Clinical trial identifier: NCT00528996.

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