<prompt> True about sitagliptin is all exceptUsed in type II DMUsed in combination with other oral hypoglycaemicCannot be used orallyAll are true  <response>: Ans. is c i.e., Cannot be used orally Sitagliptin This is orally active inhibitor of DPP-4. It prevents degradation of endogenous GLP- 1 and other incretins, potentiating their action, resulting in limitation of postprandial hyperglycemia. It is used in type 2 DM. Other DPP-4 inhibitor is vildagliptin. 