Comparison of Clinical Efficacy and Safety between Indacaterol and Tiotropium in COPD: Meta-Analysis of Randomized Controlled Trials

Jung Soo Kim, Jinkyeong Park, Seong Yong Lim, Yeon-Mok Oh, Kwang Ha Yoo, Yong Bum Park, Seung Soo Sheen, Min-Ji Kim, K C Carriere, Ji Ye Jung and Hye Yun Park

PLOS ONE, 2015, vol. 10, issue 3, 1-12

Abstract: Two once-daily inhaled bronchodilators, indacaterol and tiotropium, are widely used as first-line therapy in stable COPD patients. This study was performed to compare the clinical efficacy and safety between indacaterol and tiotropium in patients with moderate-to-severe COPD. MEDLINE, EMBASE, and Cochrane Central Register of Controlled Trials were searched to identify all published randomized controlled trials (RCTs). The primary outcome was trough forced expiratory volume in 1 second (FEV1) at week 12. Four RCTs were eligible for inclusion (three RCTs with moderate-to-severe COPD patients and one RCT with only severe COPD patients). Trough FEV1 at weeks 12 and 26 were not significantly different between indacaterol and tiotropium by the standardized mean difference with 0.014 (95% CI, -0.036, 0.063, I2= 23.5%) and with 0.037 (95% CI, -0.059 to 0.133, I2= 0%) along with differences in means of 0.003L and 0.014L, respectively. Indacaterol and tiotropium also showed similar St. George`s Respiratory Questionnaire (SGRQ) total scores and percentages of patients with SGRQ improvement (≥ 4 units) at week 26. The incidences of nasopharyngitis, serious cardiovascular events, and serious adverse events were not different between indacaterol and tiotropium, while those of cough (OR = 1.68, P

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0119948

DOI: 10.1371/journal.pone.0119948

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