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Int J Clin Pract. 2005 Jul;59(7):746-50.

Effects of sibutramine in overweight, poorly controlled Chinese female type 2 diabetic patients: a randomised, double-blind, placebo-controlled study.

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Division of Endocrinology and Metabolism, Buddhist Tzu-Chi General Hospital and Tzu-Chi University, Hualien, Taiwan, ROC.


To assess the efficacy of sibutramine 15 mg once daily as weight reduction in overweight and obese (body mass index > 25 kg/m2) Chinese female type 2 diabetic patients and to evaluate the influence of weight loss on diabetic control, a randomised, double-blind, placebo-control, 12-week study was conducted. Chinese female type 2 diabetic patients, poorly controlled glucose levels and HbA(1C) > 8% were randomly assigned to two groups. In addition to their hypoglycaemic agents (maximal doses of sulphonylureas and metformin), one group (n = 30) received a sibutramine 15 mg once daily for 12 weeks, and the other (n = 30) received placebo for the same period. Comparing the changes that occurred after 12 weeks in the sibutramine and placebo groups, the former showed significantly greater reduction in body weight (2.5 vs. 0.1 kg, p < 0.05), fasting plasma insulin level (28.8 vs. 2.4 pmol/l, p < 0.01), 2-h postprandial blood glucose after standard test meal (3.2 vs. 1.1 mmol/l, p < 0.01), insulin resistance (5.1 vs. 0.2, p < 0.01), HbA1C (1.7% vs. 0.2%, p < 0.05), triglyceride (0.43 vs. 0.12 mmol/l, p < 0.05) and total cholesterol (0.52 vs. 0.08 mmol/l, p < 0.05). No significant differences were found between treatment groups in blood pressure and heart rate. The addition of sibutramine to diet and oral hypoglycaemic therapy resulted in significant weight loss and improvement in metabolic parameters in the treatment group. Sibutramine should be considered for use alongside diet and oral hypoglycaemic therapy in Chinese overweight and obese women with poorly controlled type 2 diabetes.

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