• Fan Yi-Ling, Miao Qing, Liao Xing, Fan Chang-Zheng, Fan Mao-Rong, Cao Qing, Wang Ning, M A Qiu-Xiao, and Hao Ya-Ni.
• Xiyuan Hospital, China Academy of Chinese Medical Sciences Beijing 100091, China Center for Evidence-based Chinese Medicine, Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences Beijing 100700, China.
• Zhongguo Zhong Yao Za Zhi. 2020 Nov 1; 45 (22): 5331-5343.

AbstractTo systematically review the efficacy and safety of Liujunzi Decoction combined with Western medicine in the treatment of stable chronic obstructive pulmonary disease(COPD). Three English databases and four Chinese databases were systematically searched from the database establishment to April 1, 2020. We screened randomized controlled trial(RCT) according to the pre-determined inclusion and exclusion criteria, then extracted data. Methodological quality of included studies was assessed with Cochrane bias risk evaluation tool. Data were analyzed by using RevMan 5.3. A total of 401 articles were retrieved and finally 17 RCTs were included in this study, involving 1 447 patients, and the overall quality of the included studies was not high. Meta-analysis showed that, in reducing traditional Chinese medicine symptom score, Liujunzi Decoction combined with conventional Western medicine or Salmeterol Xinafoate and Fluticasone Propionate Powder for Inhalation was superior to conventional Western medicine or Salmeterol Xinafoate and Fluticasone Propionate Powder for Inhalation alone. In reducing the grade of modified medical research council(mMRC), Liujunzi Decoction combined with Salmeterol Xinafoate and Fluticasone Propionate Powder for Inhalation was superior to Salmeterol Xinafoate and Fluticasone Propionate Powder for Inhalation alone. In reducing COPD assessment test(CAT) score, Liujunzi Decoction combined with conventional Western medicine was superior to conventional Western medicine alone. In delaying the decline of forced expiratory volume in one second(FEV_1) or % in the expected value, Liujunzi Decoction combined with conventional Western medicine or Salmeterol Xinafoate and Fluticasone Propionate Powder for Inhalation was superior to conventional Western medicine or Salmeterol Xinafoate and Fluticasone Propionate Powder for Inhalation alone. In delaying the decline of ratio of FEV_1 to forced vital capacity(FEV_1/FVC), Liujunzi Decoction combined with conventional Western medicine was superior to conventional Western medicine alone, but there was no statistical difference between Liujunzi Decoction combined with Salmeterol Xinafoate and Fluticasone Propionate Powder for Inhalation and Salmeterol Xinafoate and Fluticasone Propionate Powder for Inhalation alone. In reducing acute exacerbation rate, there was no statistical difference between Liujunzi Decoction combined with Salmeterol Xinafoate and Fluticasone Propionate Powder for Inhalation and Salmeterol Xinafoate and Fluticasone Propionate Powder for Inhalation alone. On the other outcome measures of Liujunzi Decoction combined with other Western medicine, Meta-analysis could not be conducted and conclusions due to the inclusion of only one study. In terms of the occurrence of adverse reactions, some studies did not mention, so the safety of Liujunzi Decoction combined with Wes-tern medicine could not be determined in this paper. Due to the limitations of the quality and quantity of inclu-ded studies, the efficacy of Liujunzi Decoction combined with Western medicine for COPD still needs more high-quality studies for confirmation, and its safety needs to be further verified.

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