Dipeptidyl peptidase-4 inhibitors (DPP-4 inhibitors) are effective and safe oral incretin-based
antihyperglycemic drugs. In preclinical studies, DPP-4 inhibitors have demonstrated cardiovascular benefits, independent
of glycemic control, in patients with type-2 diabetes mellitus. Since 2005, various DPP-4 inhibitors (sitagliptin, linagliptin
and saxagliptin) have been clinically available in the United States. Since 2013, alogliptin is the 4th approved DPP-4
inhibitor available on the market. Studies have shown that alogliptinis non-inferior to comparator drugs among newly
diagnosed type 2 diabetes mellitus patients. Alogliptin can effectively be used as a single agent or as an add-on drug in
combination with other glucose lowering drugs with favorable outcomes on glycemic control and HbA1C levels.
Keywords: Alogliptin, antihyperglycemic agents, dipeptidyl peptidase-4 inhibitors, glucagon-like peptide-1, glucosedependent
insulinotropic peptide, incretins, type 2 diabetes mellitus.
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