Systematic Review of Randomize Controlled Trials of Xiaoyao Powder in Treatment of Depression

QIN Xiankui1,LI Ping1,HAN Mei2,LIU Zhijun2,LIU Jianping2(1.96819 Army Troop Clinic,Beijing 100853;2.Evidence-based Medicine Center,Beijing University of Chinese Medicine)  

Objectives To assess the efficacy and safety of Xiaoyao Powder (Carefree Powder) in the treatment of depression using the method of systematic review of evidence-based medicine.Method Data published before December 2009 were searched from MEDLINE,Cochrane library,CNKI,VIP,CBM.We included randomize-controlled trials (RCT) testing Xiaoyao Powder against placebo or antidepressants,and Xiaoyao Powder combined with antidepressants against antidepressants alone.Two researchers collected data independently.The assessment of methodological quality was based on Cochrane handbook and the materials were analyzed with software RevMan 5.017.The outcome measure index was relative risk or difference of mean value (95% confidence interval).Results Thirty-two RCTs involving 2 253 patients were included.Involved trials published in Chinese were of low quality.In the trials of comparison between Xiaoyao Powder and placebo,only decrease of self-rating depression scale (SDS) score was not significantly different.For general clinical improvement and decrease of Hamilton rating scale for depression (HAMD) and SDS scores,Xiaoyao Powder combined with antidepressants was more effective than antidepressants alone,but the effect of Xiaoyao Powder was equal to antidepressants.No adverse effect was reported in the trials regarding Xiaoyao Powder.Conclusions Xiaoyao Powder appears to be effective for depression.However,the exact effect needs to be confirmed in well-designed large-sampled clinical trials.

【Key Words】： Xiaoyao Powder (Carefree Powder) Depression Systematic review Randomize-controlled clinical trials
【Fund】： 国家重点基础研究发展计划(“973”计划)资助项目(2006CB504602)
【CateGory Index】： R277.7

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