• Zhipeng Hu, Maoyi Yang, Chunguang Xie, Hong Gao, Xiaoxu Fu, Hongyan Xie, and Ya Liu.
• Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, P.R. China.
• Medicine (Baltimore). 2020 Apr 1; 99 (15): e19682e19682.

BackgroundDiabetic macroangiopathy is a further complication of diabetes mellitus and is the leading cause of death for diabetic patients. Shenqi compound (SC) is a traditional Chinese medicine formula widely used in the treatment of diabetes and diabetic macroangiopathy. At present, there is only 1 systematic review on SC in the treatment of diabetes. However, no meta-analysis has evaluated the efficacy and safety of SC on diabetic macroangiopathy.Methods And AnalysisThree English database and four Chinese medical databases will be searched from its inception to February 2020. Then 2 methodological trained researchers will screen the qualified articles by reading the title, abstract, and full texts according to an established inclusion and exclusion criteria. The assessment of risk of bias will be conducted by using the Cochrane collaboration's tool. We will conduct meta-analyses for fasting blood glucose (FBG), postprandial blood glucose (PBG), glycated hemoglobin (HbA1c), and other outcomes. The heterogeneity of data will be evaluated by Cochrane χ and I tests. We establish 3 hypotheses before the subgroup analysis actually starts: disease status at baseline, duration of intervention, type of concomitant medication. We will conduct sensitivity analysis to evaluate the stability of the results, funnel plot analysis, and Egger test to evaluate the publication bias, and assessment for the quality of evidence by the Grading of Recommendations Assessment, Development, and Evaluate system (GRADE).ResultsThe results will be published at a peer-reviewed journal.ConclusionIn this study, we will systematically evaluate the evidence of SC in the treatment of diabetic macroangiopathy. Our research is supposed to provide evidence-based support for clinical practice.

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