• Department of Respiratory Medicine, Nanchang Third Hospital, Nanchang, 330006, P.R.China;
JIAO Shenshan, Email: 15879110756@163.com
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ObjectiveTo systematically review the efficacy and safety of indacaterol compared with tiotropium in the treatment of chronic obstructive pulmonary disease (COPD).MethodsWe electronically searched databases including PubMed, EMbase, The Cochrane Library, CNKI, VIP and WanFang Data to collect randomized controlled trials (RCTs) about indacaterol versus tiotropium for COPD patients from inception to November 2016. Two reviewers independently screened literature, extracted data and assessed the risk of bias of included studies. Then, meta-analysis was performed using RevMan 5.1 software.ResultsA total of 10 RCTs involving 10 415 patients were included, 5 686 patients were in tiotropium group and 4 729 patients in tiotropium group. The results of meta-analysis showed that there was no significant difference between both groups for improving trough forced expiratory volume in one second pulmonary function (FEV1) (MD=0.00, 95%CI –0.03 to 0.03, P=0.79). In the subgroup analysis, it was found that indacaterol had a significant advantage over tiotropium in improving FEV1 over the first 2 weeks (MD=–0.05, 95%CI –0.10 to 0.00, P=0.03). As to the transition dyspnoea index, indoruterol was superior to tiotropium (RR=1.09, 95%CI 1.05 to 1.14, P<0.000 1). Although there was no significant difference of two groups in the St George's respiratory questionnaire score (SGRQ) (MD=–0.48, 95%CI –1.42 to 0.47, P=0.32), indoruterol could significantly improve it among patients whose SGRQ score was greater than or equal 4 than tiotropium (RR=1.13, 95%CI 1.05 to 1.22, P=0.002). Indoruterol had lower overall incidence of adverse reactions (RR=1.05, 95%CI 1.01 to 1.09, P=0.01) , but there was no significant difference between two groups in severe adverse events (RR=1.02, 95%CI 0.89 to 1.16, P=0.81).ConclusionIndacaterol and tiotropium are similar in improving lung function in COPD patients, however, the indacaterol is better than tiotropium in TDI and SGRQ. There is no significant difference for the serious adverse reactions in two groups. Due to limited quality and quantity of the included studies, more high quality studies are needed to verify the above conclusion.

Citation: JIANG Xunsheng, ZHANG Yanxia, DONG Biwen, ZHOU Na, JIAO Shenshan. Indacaterol compared with tiotropium in the treatment of chronic obstructive pulmonary disease: a meta-analysis. Chinese Journal of Evidence-Based Medicine, 2017, 17(7): 783-791. doi: 10.7507/1672-2531.201612051 Copy

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