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- W2552590357 abstract "To compare the bronchodilator efficacy of 18 μg once-daily tiotropium inhalation administered via Discair® versus HandiHaler® in adults with moderate-to-severe chronic obstructive pulmonary disease (COPD).Fifty-eight patients with moderate-to-severe COPD were enrolled in this randomized, active-controlled, parallel-group, open-label, Phase IV non-inferiority trial. Patients were randomly assigned to a test group (n=29, inhalation with Discair) or a reference group (n=29, inhalation with HandiHaler). The primary efficacy parameter was the average maximum change in forced expiratory volume in 1 second (FEV1, in L). Change in forced vital capacity (FVC, in L), %FEV1 and %FVC, the standardized area under the response-time curve (AUC) for the absolute change in FEV1 and FVC, time to onset and peak of response, and safety data were also evaluated.The test inhaler was non-inferior to the reference inhaler in terms of maximum change in FEV1 at 24 h (unadjusted change: 0.0017 L [95% confidence interval [CI]: -0.0777, 0.0812]; change adjusted for time to reach maximum change in FEV1 and smoking in pack-years: 0.0116 L [95% CI: -0.0699, 0.0931]), based on a non-inferiority margin of 0.100 L. There were also no significant differences between the two groups in maximum change in FVC value from baseline (0.3417 L vs 0.4438 L, P=0.113), percent change from baseline (22.235 vs 20.783 for FEV1, P=0.662; 16.719 vs 20.337 for FVC, P=0.257), and AUC0-24 h (2.949 vs 2.833 L for FEV1, P=0.891; 2.897 vs 4.729 L for FVC, P=0.178). There were no adverse events, serious adverse events, or deaths.Our findings show that the Discair was non-inferior to the HandiHaler. More specifically, these devices had similar clinical efficacy in terms of time-dependent response over 24 h for patients with moderate-to-severe COPD." @default.
- W2552590357 created "2016-11-30" @default.
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- W2552590357 date "2016-11-01" @default.
- W2552590357 modified "2023-10-18" @default.
- W2552590357 title "Bronchodilator efficacy of 18 µg once-daily tiotropium inhalation via Discair<sup>®</sup> versus HandiHaler<sup>®</sup> in adults with chronic obstructive pulmonary disease: randomized, active-controlled, parallel-group, open-label, Phase IV trial" @default.
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- W2552590357 doi "https://doi.org/10.2147/copd.s119114" @default.
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