Nocturnal hypoglycemia

Voglibose administration before the evening meal improves nocturnal hypoglycemia in insulin-dependent diabetic patients with intensive insulin therapy

Taira M, Takasu N, Komiya I, Taira T, Tanaka H.

Second Department of Internal Medicine, University of the Ryukyus School of Medicine, Okinawa, Japan.

Nocturnal hypoglycemia is one of the serious complications of intensive insulin therapy in patients with insulin-dependent diabetes mellitus (IDDM; type 1 DM). We assessed the effect of voglibose (alpha-glucosidase inhibitor) administration before the evening meal on nocturnal hypoglycemia in IDDM patients with intensive insulin therapy. Ten IDDM patients received 0.3 mg voglibose just before the evening meal for 5 days. The diet and insulin regimen were not changed throughout the study. Nocturnal plasma glucose levels (10 PM, 3 AM, and 7 AM) were studied in these patients before and during voglibose administration. Blood glucose levels were measured at 3 AM before and during voglibose treatment. The mean plasma glucose level at 3 AM was 3.4+/-0.4 mmol/L before voglibose treatment and 7.3+/-1.0 mmol/L during treatment. Plasma glucose at 3 AM was elevated in 9 of 10 patients with voglibose. The decrease in plasma glucose from 10 PM to 3 AM was 6.5+/-0.8 mmol/L before voglibose administration but 3.2+/-0.9 mmol/L during treatment (P < .01). The hypoglycemia rate was 52% (17 of 33 nights) before voglibose administration but only 9.1% (3 of 33 nights) during treatment. We conclude that voglibose administration before the evening meal improves nocturnal hypoglycemia in IDDM patients with intensive insulin therapy.

 

 

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