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Review of sitagliptin phosphate: a novel treatment for type 2 diabetes

Authors Baptist Gallwitz

Published 15 May 2007 Volume 2007:3(2) Pages 203—210


Baptist Gallwitz

Dept. Medicine IV, Eberhard Karls University, Tuebingen, Germany

Abstract: Sitagliptin (Januvia®, Merck Pharmaceuticals) is a dipeptidyl-peptidase inhibitor (DPP-4 inhibitor) that has recently been approved for the therapy of type 2 diabetes. Like other DPP-4 inhibitors its action is mediated by increasing levels of the incretin hormones glucagon-like peptide-1 (GLP-1) and gastric inhibitory polypeptide (GIP). Sitagliptin is effective in lowering HbA1c, and fasting as well as postprandial glucose in monotherapy and in combination with other oral antidiabetic agents. It stimulates insulin secretion when hyperglycemia is present and inhibits glucagon secretion. In clinical studies it is weight neutral. This article gives an overview of the mechanism of action, the pharmacology, and the clinical efficacy and safety of sitagliptin in type 2 diabetes therapy.

Keywords: incretins, type 2 diabetes, diabetes therapy, DPP-4 inhibitors, sitagliptin

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