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Effects of inositol and alpha lipoic acid combination for polycystic ovary syndrome: A protocol for systematic review and meta-analysis.
Lei, W, Gao, Y, Hu, S, Liu, D, Chen, Q
Medicine. 2020;(30):e20696
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Abstract
BACKGROUND Polycystic ovary syndrome (PCOS), an intricate and multifactorial disease, has characteristics of diverse clinical, metabolic and endocrine disorder. It represents a primary cause of infertility in reproductive women, which seriously affects the physical and mental health of patients. Several small studies have indicated that inositol and alpha lipoic acid (ALA) supplementation can ameliorate the outcomes in terms of menstrual cyclicity, ovulation and hyperinsulinemia in PCOS women. However, there is a lack of sufficient evidence to affirm this practice. Consequently, we aim to objectively review and estimate the efficacy and safety of inositol plus ALA in adult women suffering from PCOS. METHODS AND ANALYSIS We will retrieve PubMed, EMBASE, The Web of Science, The Cochrane Library of Controlled Trials, Clinical Trials.gov, Chinese Biomedical Literature Database (CBM), China National Knowledge Infrastructure (CNKI), Chinese Scientific Journal Database (VIP database), Wan-Fang database with no specific limitations on language. Simultaneously we will manually retrieve reference lists and grey literature to acquire potential eligibility. We will restrict our search to randomized controlled trials (RCTs) of inositol in combination with ALA for PCOS. Researchers will separately identify studies, extract data and evaluate the quality of studies. We will conduct risk of bias estimates, data synthesis and analysis using Review Manager 5.3 software. RESULTS AND CONCLUSION The study will comprehensively determine the effectiveness and safety of inositol conjunct with ALA therapy for PCOS. Meanwhile we intend to disseminate the final findings in a peer-reviewed journal to help patients, clinicians and health policymakers select treatment strategy of PCOS by providing high-quality evidence.
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The effects of folate supplementation on lipid profiles among patients with metabolic diseases: A systematic review and meta-analysis of randomized controlled trials.
Tabrizi, R, Lankarani, KB, Akbari, M, Naghibzadeh-Tahami, A, Alizadeh, H, Honarvar, B, Sharifi, N, Mazoochi, M, Ostadmohammadi, V, Fatholahpour, A, et al
Diabetes & metabolic syndrome. 2018;(3):423-430
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Abstract
BACKGROUND AND OBJECTIVE Although several studies have assessed the effect of folate supplementation on lipid profiles among patients with metabolic diseases, findings are inconsistent. This review of randomized controlled trials (RCTs) was conducted to summarize the evidence on the effects of folate supplementation on lipid profiles among patients with metabolic diseases. METHODS Randomized-controlled trials (RCTs) published in PubMed, EMBASE, Web of Science and Cochrane Library databases up to until 20 August 2017 were searched. Two review authors independently assessed study eligibility, extracted data, and evaluated risk of bias of included studies. Heterogeneity was measured with a Q-test and with I2 statistics. Data were pooled by using the fix or random-effect model based on the heterogeneity test results and expressed as standardized mean difference (SMD) with 95% confidence interval (CI). RESULTS A total of thirteen randomized controlled trials were included. Folate supplementation did not affect systolic blood pressure (SMD -0.87; 95% CI, -1.83, 0.09) and diastolic blood pressure (SMD -0.59; 95% CI, -1.55, 0.37), and lipid profiles including triglycerides (SMD 0.10; 95% CI, -0.42, 0.63), total- (SMD 0.06; 95% CI, -0.31, 0.43), HDL- (SMD 0.04; 95% CI, -0.36, 0.44), VLDL- (SMD 0.08; 95% CI, -0.24, 0.41), and LDL-cholesterol (SMD -0.14; 95% CI, -0.55, 0.28). CONCLUSIONS Folate supplementation did not affect blood pressures and lipid profiles among patients with metabolic diseases. Additional prospective studies regarding the impact of folate supplementation on blood pressures and lipid profiles in patients with metabolic diseases are necessary.