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Objective: Patients with polycystic ovary syndrome frequently suffer from hyperinsulinemia and adverse lipid profile. This study evaluated effects of metformin on lipid profile. Study design: Lipid profiles in hyperinsulinemic (n = 43) and normoinsulinemic (n = 45) subjects were compared. Hyperinsulinemic subjects were treated with metformin (500 mg po tid) and lipid profiles were reevaluated at 3 and 6 months of treatment. Results: The hyperinsulinemic group had significantly lower high-density lipoprotein (HDL) (by 11% ), higher total cholesterol to HDL ratio (by 23% ), and greater trigly cerides(by 57% ) than the normoinsulinemic group. Six- month metformin therapy in hyperinsulinemic women was associated with a significant decrease of insulin level (by 35% ), total cholesterol(by 11% ), low-density lipoprotein (LDL) (by 12% ), and triglycerides (by 33% ). Levels of lipids in hyperinsulinemic women after metformin therapy were comparable to levels observed in normoinsulinemic subjects. Conclusion: The present study supports the notion that metformin may be considered as a prophylactic therapy lowering cardiovascular risk factors in hyperinsulinemic women with polycystic ovary syndrome.
Objective: Patients with polycystic ovary syndrome frequently suffer from hyperinsulinemia and adverse lipid profile. Study study effects of metformin on lipid profile. Study design: Lipid profiles in hyperinsulinemic (n = 43) and normoinsulinemic (n = 45) subjects were compared. The subjects were treated with metformin (500 mg po tid) and lipid profiles were reevaluated at 3 and 6 months of treatment. Results: The hyperinsulinemic group had significantly lower high-density lipoprotein (HDL) (by 11%), higher total cholesterol to HDL (by 23%), and greater trigly cerides (by 57%) than the normoinsulinemic group. Six-month metformin therapy in hyperinsulinemic women was associated with a significant decrease of insulin level (by 35%), total cholesterol ), low-density lipoprotein (LDL) (by 12%), and triglycerides (by 33%). Levels of lipids in hyperinsulinemic women after metformin therapy were comparable to levels observed in normoinsulinemic subjec ts. Conclusion: The present study supports the notion that metformin may be considered as a prophylactic therapy lowering cardiovascular risk factors in hyperinsulinemic women with polycystic ovary syndrome.