Results: A total of 108 patients were randomized to different treatment groups (mean age,
60.5 years; mean post-bronchodilator, forced expiratory volume in 1 second [FEV1] 57.1%
predicted). Ninety-five patients completed the study. On Day 21, a 21% difference in endurance
Conclusion: NVA237 50 μg once daily produced immediate and significant improvement in
exercise tolerance from Day 1. This was accompanied by sustained reductions in lung hyperinflation
(indicated by sustained and significant improvements in IC at isotime), and meaningful
improvements in trough FEV1 and dyspnea. Improvements in exercise endurance increased over
time, suggesting that mechanisms beyond improved lung function may be involved in enhanced
exercise tolerance. (ClinicalTrials.gov Identifier: NCT01154127).
Keywords: COPD, dyspnea, FEV1, exercise tolerance, LAMA, NVA237
Results: A total of 108 patients were randomized to different treatment groups (mean age,60.5 years; mean post-bronchodilator, forced expiratory volume in 1 second [FEV1] 57.1%predicted). Ninety-five patients completed the study. On Day 21, a 21% difference in enduranceConclusion: NVA237 50 μg once daily produced immediate and significant improvement inexercise tolerance from Day 1. This was accompanied by sustained reductions in lung hyperinflation(indicated by sustained and significant improvements in IC at isotime), and meaningfulimprovements in trough FEV1 and dyspnea. Improvements in exercise endurance increased overtime, suggesting that mechanisms beyond improved lung function may be involved in enhancedexercise tolerance. (ClinicalTrials.gov Identifier: NCT01154127).Keywords: COPD, dyspnea, FEV1, exercise tolerance, LAMA, NVA237
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