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Effect of Bromocriptine on Insulin Resistance in Patients with PCO

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DOI: 10.4236/ojemd.2014.412026    2,290 Downloads   2,876 Views


Introduction: Poly cystic ovary (PCO) is one of the most common endocrine disorders in women. All patients with PCO are at risk of insulin resistance, IFG and diabetes. Recently, bromocriptine is used in treatment of diabetes mellitus type II to improve insulin resistance. Objective: The aim of this study is the evaluation of bromocriptine on insulin resistance in PCO people. Patients and Methods: In this single-blind controlled clinical trial with placebo, 44 patients with PCO referring to endocrinology clinic were evaluated. Inclusion criteria were BMI > 25 kg/m2 and diagnosed PCO patients according to Rotterdam criteria and rule out other causes. Blood samples were obtained for FBS, Fasting Insulin, Prolactin, TSH and 17(OH)P. They divided two groups: Case group was given bromocriptine 2.5 mg daily and placebo was given to control group. Patients were treated for 8 days and in day 9th blood sample was obtained for FBS, Fasting insulin, HOMA-IR index. Mann-Whitney method is used for mean comparison. Results: Data analysis using showed in pre diabetes range, mean changes of FBS, insulin level and IR in Groups 1 and 2 had significant differences(P = 0.004), but no significant different was found in FBS < 100 mg/dl (P = 0.92). In group with BMI < 30 kg/m2, no significant differences were found in changes in FBS < insulin level and IR (P = 0.13, 0.13, and 0.11 respectively). In group with BMI ≥ 30 kg/m2, no significant differences were found in changes in insulin level and IR (P = 0.69, 0.089 respectively). Mean systolic blood pressure changes in Group 1 and 2 in FBS > 100 mg/dl with (P = 0.036) were significant, but no significant difference showed in mean change of diastolic blood pressure in FBS > 100 mg/dl (P = 0.99). In FBS < 100 mg/dl mean changes in systolic and diastolic blood pressures were not significant (P = 0.6). Age showed no difference changes in effect on treatment in Groups 1 and 2 (P = 0.1). Conclusion: Our study showed, even in the short-term consumption, bromocriptine reduced FBS and insulin levels and insulin resistance in PCO patients with pre-diabetes range.

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Shirinpour, Z. , Ghaderian, B. , Rashidi, H. , Aleali, A. and Payami, S. (2014) Effect of Bromocriptine on Insulin Resistance in Patients with PCO. Open Journal of Endocrine and Metabolic Diseases, 4, 253-257. doi: 10.4236/ojemd.2014.412026.

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