Endocrine Journal
ORIGINALS
Divided-Dose Administration of Miglitol just before and 15 Minutes after the Start of a Meal Smoothes Postprandial Plasma Glucose Excursions and Serum Insulin Responses in Healthy Men
Kazutaka AOKIHideaki KATOYasuo TERAUCHI
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Volume 54 (2007) Issue 6 Pages 1009-1014

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Abstract

We recently demonstrated that administration of miglitol at 15 min after the start of a meal decreased the area under the curve (AUC) of plasma glucose, similar to the observation following its administration just before a meal. This finding prompted us to examine whether a divided-dose regimen of miglitol might attenuate postprandial glucose excursions even more effectively. We, therefore, examined several schedules of miglitol administration in 15 healthy men. Miglitol was administered by four different schedules in each subject (control: no miglitol, intake 1: drug administered just before a meal (50 mg); intake 2: drug administered at 15 min after the start of a meal (50 mg); intake 3: drug administered in two divided doses: just before a meal (25 mg) and at 15 min after the start of a meal (25 mg). The AUC of glucose excursions, defined as increment above the fasting glucose level, (AUC0-180 min of glucose excursions) was significantly reduced as compared with that in the control condition after miglitol administration by intake schedule 3, while this parameter showed a tendency towards decrease after the drug administration by intake schedules 1 and 2. The AUC0-180 min of the serum insulin level was also significantly decreased for all the intake schedules of miglitol, as compared with that in the control condition. Thus, administration of miglitol in two divided doses appeared to be the most suitable for obtaining effective regulation of postprandial glucose excursions in healthy men. This result may suggest that the divided-dose administration regimen may also be effective in diabetic patients.

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