• Min Liu, Hongqiu Zhu, Xiaodan Hu, Ying Zhu, and Haiyan Chen.
• Chengdu University of Traditional Chinese Medicine.
• Medicine (Baltimore). 2020 Oct 30; 99 (44): e22954e22954.

BackgroundPolycystic ovary syndrome (PCOS), is a common endocrine disorder in women characterized by increased androgen levels, ovulatory dysfunction, and polycystic ovaries. Western medicine is widely used for the treatment of PCOS, but patient satisfaction is low, largely due to its associated gastrointestinal symptoms of nausea and diarrhea. Guizhi Fuling Wan (GFW) is a traditional Chinese medicine used to remove blood stasis and dissipate phlegm for treating gynecological diseases that was invented by Zhang Zhongjing in the Eastern Han dynasty. In recent years, GFW has been widely used to treat patients with PCOS. This study aims to assess the efficacy and safety of GFW in the treatment of PCOS through a systematic review and meta-analysis.MethodsAll randomized controlled trials connected with GFW targeting PCOS will be searched in the following electronic bibliographic databases from their earliest recorded publications to December 2020 without any language restrictions: MEDLINE, Embase, PubMed, Web of Science, China National Knowledge Infrastructure, Chinese Biological Medicine Database, Wan-fang data, Chinese Technical Periodicals, and other databases. The primary outcomes include Sex hormone levels, ovulation rate, pregnancy rate, and total effective rate. The secondary outcomes were Total cholesterol, triglyceride, low-density lipoprotein, high-density lipoprotein, fasting glucose, fasting insulin, insulin sensitivity index, body mass index, hypertrichosis score, acne score, adverse reactions, etc. Two reviewers will independently conduct cations retrieval, de-duplication, filtering, quality assessment, and data analysis by Endnote X9.1 and Review Manager software (RevMan V.5.3). Meta-analysis and/or subgroup analysis will be performed on the included data.DiscussionThis study will investigate the application of GFW in the treatment or prevention of PCOS, and provide a high-quality synthesis to judge whether GFW is an effective and safe intervention for PCOS.Prospero Registration NumberCRD42020192405.

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