Journal
EUROPEAN JOURNAL OF OBSTETRICS & GYNECOLOGY AND REPRODUCTIVE BIOLOGY
Volume 257, Issue -, Pages 19-24Publisher
ELSEVIER
DOI: 10.1016/j.ejogrb.2020.11.070
Keywords
Simvastatin; Metformin; Polycystic ovary syndrome; Randomized controlled trials
Categories
Funding
- National Natural Science Foundation of China [81601304]
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The meta-analysis showed that combined treatment with simvastatin plus metformin was more effective in treating polycystic ovary syndrome (PCOS) compared to metformin monotherapy, resulting in significantly reduced total testosterone, LH:FSH ratio, and LDL cholesterol levels.
Introduction: The efficacy of simvastatin plus metformin to treat polycystic ovary syndrome (PCOS) remained controversial. Therefore, we conducted this meta-analysis to explore the influence of simvastatin plus metformin versus metformin monotherapy on the treatment of PCOS. Methods: We have searched PubMed, EMbase, Web of science, EBSCO, and Cochrane library databases through June 2020 and included randomized controlled trials (RCTs) assessing simvastatin plus metformin versus metformin for PCOS. This meta-analysis was performed using the random-effect model. Results: Five RCTs were included in the meta-analysis. Overall, compared with metformin monotherapy for PCOS, combined treatment with simvastatin plus metformin was associated with significantly reduced total testosterone (mean difference [MD] = -0.31; 95 % confidence interval [CI] = -0.50 to -0.13; P = 0.0009), leuteinizing hormone: follicle stimulating hormone (LH:FSH) ratio (MD = -0.92; 95 % CI = -1.62 to -0.23; P = 0.009) and low-density lipoprotein (LDL) cholesterol (MD = -34.90; 95 % CI = -39.33 to -30.47; P < 0.00001), but spontaneous menses per 6 months, volume of both ovaries, body mass index (BMI) and fasting glucose were found to be similar between two groups. Conclusions: Combined treatment with simvastatin plus metformin was better to treat PCOS than metformin alone as evidenced by significantly reduced total testosterone, LH:FSH ratio and LDL cholesterol. (C) 2020 Published by Elsevier B.V.
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