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  • Title: Glipizide controlled-release tablets, with or without acarbose, improve glycaemic variability in newly diagnosed Type 2 diabetes.
    Author: Bao YQ, Zhou J, Zhou M, Cheng YJ, Lu W, Pan XP, Tang JL, Lu HJ, Jia WP.
    Journal: Clin Exp Pharmacol Physiol; 2010 May; 37(5-6):564-8. PubMed ID: 20082624.
    Abstract:
    1. The aim of the present study was to compare the effects of glipizide controlled-release (CR) tablets monotherapy with that of glipizide CR tablets plus acarbose on glycaemic variability in newly diagnosed Type 2 diabetes (T2DM) patients using a continuous glucose-monitoring system (CGMS). 2. Forty newly diagnosed T2DM patients whose glycated haemoglobin A1c (HbA1c) levels ranged from 7.0% to 9.8% were randomized to either monotherapy or combination therapy. Overall glycaemic control and blood glucose variability were evaluated by CGMS parameters. 3. After 8 weeks treatment, fasting and postprandial blood glucose, HbA1c, glycated albumin (GA), mean blood glucose (MBG), mean amplitude of glycaemic excursions (MAGE), postprandial incremental area under the curve (AUC(pp)) and homeostasis model assessment of insulin resistance decreased significantly in both groups (P < 0.01). There was also a significant decrease in the mean of daily differences (MODD) in the combination therapy group. Mean changes in MBG, MAGE, MODD and AUC(pp) were significantly greater in the combination therapy group than in the monotherapy group (all P < 0.01), whereas no significant differences were found in the mean changes of HbA1c and GA. Multivariate regression analysis showed that the decrement in AUC(pp) was significantly associated with decreases in MAGE. 4. In conclusion, glipizide CR tablets alone or in combination with acarbose can improve overall blood glucose levels and glycaemic variability. Combination therapy using glipizide CR tablets and acarbose was more effective in reducing intraday and day-to-day glycaemic variability than glipizide CR tablet monotherapy.
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