A comparison of repaglinide and glibenclamide in the treatment of type 2 diabetic patients previously treated with sulphonylureas
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Objective: To compare the efficacy and safety of repaglinide, a novel oral prandial glucose regulator, with that of glibenclamide, an oral hypoglycaemic agent, in the treatment of patients with type 2 diabetes.
Methods: This was a 14-week, double-blind, parallel-group trail in which a total of 195 type 2 diabetic patients treated with oral hypoglycaemic agents were randomized to receive either repaglinide, administered preprandially three times daily, or glibenclamide, given preprandially once or twice daily, as per manufacturer's recommendations.
Results: By the end of the study, the 2-h postprandial blood glucose values were lower in the repaglinide group than in the glibenclamide group, with the difference approaching statistical significance (repaglinide, 8.1 (0.6) mol · 1−1 vs glibenclamide, 9.1 (0.6) mmol · 1−1; P = 0.07). There was no statistically significant difference in the mean blood glucose level at the end of the study between the two groups (repaglinide, 7.1 (0.5) mmol · 1−1 vs glibenclamide, 7.4 (0.5) mmol·1−1; P = 0.42), and baseline HbA1C values had decreased to the same degree in both the repaglinide [7.8% (0.1%) to 7.5% 0.1%)] and the glibenclamide groups [8.0 (0.1%) to 7.6 (0.1%)]. There are no significant differences between the repaglinide and glibenclamide treatment groups in the levels of fasting blood glucose, fructosamine, fasting C-peptide, insulin and proinsulin. Neither treatment group showed any clinically significant changes in blood lipid profiles. Repaglinide and glibenclamide were both well tolerated. No significant differences were observed between the two treatment groups with respect to adverse events, including hypoglycaemic episodes and weight change. No accumulation of repaglinide was apparent during the maintenance period.
Conclusion: Repaglinide is as well tolerated as glibenclamide and is equally effective in the management of type 2 diabetes. Repaglinide may, however, offer an improvement in postprandial blood glucose control compared with glibenclamide, thereby helping to reduce the relative long-term risk of diabetic complications.
- A comparison of repaglinide and glibenclamide in the treatment of type 2 diabetic patients previously treated with sulphonylureas
European Journal of Clinical Pharmacology
Volume 55, Issue 3 , pp 165-171
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- Key words Type 2 diabetes
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- A1. Medizinische Klinik, Klinikum Innenstadt, University of Munich, Ziemssenstraße 1, D-80336 Munich, Germany Tel: +49-89-5160-2200; Fax:+49-89-5160-5355, DE
- A2. Deaprtment of Internal Medicine, Hospital `de Weezenlanden', Zwolle, The Netherlands, NL
- A3. Novo Nordisk A/S, Bagsvaerd, Denmark, DK