Role of sibutramine in the treatment of obese Type 2 diabetic patients receiving sulphonylurea therapy.
AIMS: To investigate whether the satiety-inducing agent sibutramine affected body weight and associated anthropometry in overweight and obese (body mass index (BMI) > 27) Type 2 diabetic patients on sulphonylurea therapy. METHODS: A randomized, placebo-controlled trial was undertaken in 134 patients with stable metabolic control on chronic sulphonylurea therapy. Patients were placed on moderate caloric restriction and received treatment with either sibutramine (15 mg/day) or placebo for 6 months. RESULTS: Fifty-three of 69 sibutramine-treated and 57/65 placebo-treated patients completed the study. Both groups showed progressive weight loss. At the end of the trial weight loss was two times greater in the sibutramine group (mean +/- SEM; -4.5 +/- 0.5 kg) than placebo (-1.7 plus minus 0.5 kg, P < 0.001 vs. sibutramine). There was a trend for more patients to lose > 5% of initial body weight in the sibutramine group than placebo. BMI (P < 0.001) and waist circumference (P < 0.001) were also decreased to a greater extent by sibutramine. Mean reductions in HbA(1c) were commensurate with weight loss in both the sibutramine and placebo (- 0.78 +/- 0.17% and -0.73 +/- 0.23%; P = 0.84). Sibutramine was well tolerated with only two patients withdrawn due to potentially drug-related serious adverse events (palpitations). CONCLUSIONS: Sibutramine, in conjunction with moderate caloric restriction, enhances weight loss and reduces waist circumference in overweight and obese Type 2 diabetic patients receiving sulphonylurea therapy. This is associated with additional improvements in glycaemic control in a limited number of patients losing > or = 10% of their baseline body weight.[1]References
- Role of sibutramine in the treatment of obese Type 2 diabetic patients receiving sulphonylurea therapy. Serrano-Rios, M., Melchionda, N., Moreno-Carretero, E. Diabet. Med. (2002) [Pubmed]
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