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Year : 2017  |  Volume : 21  |  Issue : 5  |  Page : 679-683

Effect of metformin-sustained release therapy on low-density lipoprotein size and adiponectin in the South Indian women with polycystic ovary syndrome

1 Department of Endocrinology, Diabetes and Metabolism, Sri Ramachandra Medical College, Porur, Chennai, Tamil Nadu, India
2 Department of Endocrinology and Medical Education, Sri Balaji Vidyapeeth, Puducherry, Tamil Nadu, India
3 Department of Reproductive Medicine, Sri Ramachandra Medical College, Porur, Chennai, Tamil Nadu, India

Correspondence Address:
Krishna G Seshadri
Sri Balaji Vidyapeeth, Puducherry
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijem.IJEM_154_17

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Objectives: The aim of the study is to compare surrogate markers of cardiovascular disease (CVD) risk, such as adiponectin (APN) levels and low-density lipoprotein (LDL) size, before and after sustained release metformin (Met-SR) therapy in women with polycystic ovarian syndrome (PCOS). Methods: Sixty women with PCOS and sixty age-matched controls in the age group 18–45 years were recruited after obtaining informed consent. Women with PCOS were initiated on Met-SR 1 g orally, which was increased to 1.5 g after 2 weeks and continued up to 24 weeks. Demographic data along with family history of type 2 diabetes mellitus, PCOS, and CVD were collected. Lipid profile plasma APN levels and LDL size were measured before and after therapy in the PCOS group. Data analysis was performed using the GraphPad Prism-5 software. Results: Women with PCOS had greater dyslipidemia, lower APN level and LDL size, and increased lipid accumulating product index as compared to controls. After 6 months of Met-SR therapy, women with PCOS demonstrated significant increase in plasma APN levels and LDL size and significant decrease in weight, waist-hip ratio (WHR), waist circumference (WC), and blood pressure (BP). A significant decrease was observed in body mass index (BMI) in the overweight and obese PCOS subgroups. Conclusion: Met-SR increases LDL size, APN concentration and decreases weight, WC, WHR, and BP in patients with PCOS. Met-SR may have salutary effects on LDL particle size through effects on APN levels in women with PCOS.

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