Januvia, an Oral Enzyme-Inhibiting Medicine
Sitagliptin previously identified as MK-0431 and marketed as the phosphate salt under the trade name Januvia is an oral Type 2 diabetes medication manufactured by Merck & Co. This new oral hypoglycemic (anti-diabetic) drug is the top-selling brand in its class. In 2007, an oral combination of sitagliptin and metformin was marketed in the US as Janumet.