A glibenclamide preparation (Glycolande N) with a modified galenic formulation was compared with a marketed standard preparation for bioequivalence and hypoglycaemic action after single oral administration of 3.5 mg. Twelve healthy male volunteers participated in this open two-way cross-over study. The confidence intervals around the mean values of the standard preparation were all in the range of +/- 20%. No significant differences were found between both formulations for Cmax, Tmax, AUC1 and AUC3. The glucose profiles were virtually equal. Both preparations are regarded as bioequivalent and therapeutically equivalent.
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