Vildagliptin compared to glimepiride on post-prandial lipemia and on insulin resistance in type 2 diabetic patients
Abstract
OBJECTIVES: To evaluate the effects of vildagliptin compared to glimepiride on glycemic control, insulin resistance and post-prandial lipemia.
MATERIAL AND METHODS: 167 type 2 diabetic patients, not adequately controlled by metformin, were randomized to vildagliptin 50 mg twice a day or glimepiride 2 mg three times a day for 6 months, in a double blind, randomized clinical trial. We evaluated: body mass index (BMI), glycemic control, fasting plasma insulin (FPI), homeostasis model assessment insulin resistance index (HOMA-IR), fasting plasma proinsulin (FPPr), glucagon, lipid profile, resistin, retinol binding protein-4 (RBP-4), visfatin and vaspin. Furthermore, at the randomization and at the end of the study all patients underwent an euglycemic hyperinsulinemic clamp to evaluate M value and an oral fat load.
RESULTS: Despite a similar decrease of glycated hemoglobin, there were an increase of body weight with glimepiride + metformin and a decrease with vildagliptin + metformin. Fasting plasma insulin increased with glimepiride + metformin, while it did not change with vildagliptin + metformin. Vildagliptin + metformin improved lipid profile. Regarding insulin sensitivity, vildagliptin + metformin increased M value. Resistin, RBP-4, vaspin and visfatin were decreased by vildagliptin + metformin, but in group to group comparison, only vaspin reduction resulted statistically significant. Vildagliptin + metformin reduced post-prandial lipemia and insulinemia compared to…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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