• Hye-Rin Park, Jong-Hwan Kim, Donghun Lee, and Hee-Geun Jo.
• Chung-Yeon Korean Medicine Hospital, Gwangju.
• Medicine (Baltimore). 2019 Sep 1; 98 (39): e17321e17321.

BackgroundsPolycystic ovary syndrome (PCOS) is common endocrine disorder in women and can lead to serious social burdens associated with various reproductive and metabolic abnormalities. Existing therapy is controversial in its effectiveness including side effects. In traditional Korean Medicine, Cangfu Daotan Decoction (CDD), also known as Changbudodam-tang, is used for PCOS patients who are in the type of stagnation of phlegm and dampness. In this study, we aimed to evaluate the efficacy and safety of CDD for PCOS as alternative treatment.MethodsTwo researchers will search the following databases from their inception to February 2019 for relevant randomized controlled trials (RCTs): The Cochrane Library, PubMed, EMBASE, Chinese National Knowledge Infrastructure Database (CNKI), and 5 Korean medical databases (Korean Studies Information Service System, KoreaMed, DBPIA, Oriental Medicine Advanced Searching Integrated System, and Research Information Service System). The primary outcome will be the scales that assessed drug efficacy including total response rate, sex hormone level (LH, FSH, Testosterone, LH/FSH ratio), BMI, ovulation rate, and pregnancy rate. Adverse events will be assessed as the secondary outcome. Study selection, data extraction, and assessment of risk of bias will be conducted by 2 researchers independently. Statistical analysis will be performed by using the Cochrane Review Manager (RevMan 5.3) software.Results And ConclusionThis review will provide the latest knowledge and evidence on the efficacy and safety of CDD for PCOS women through the analysis of various evaluation scales.Ethics And DisseminationThis systematic review does not require ethical approval and will be published in a peer-reviewed journal.Prospero Registration NumberCRD42019134270.

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