Sitagliptin phosphate ndi dipeptidyl peptidase Ⅳ(DDP-4) inhibitor kalasi ya mankhwala opangidwa ndi kampani yaku Germany Merck ndipo poyamba adalandira chilolezo cha US Food and Drug Administration chochiza matenda a shuga amtundu wa 2, ndi mankhwala atsopano a antidiabetic, amatha kusintha thupi lanu. Kutha kuchepetsa kuchuluka kwa shuga m'magazi, komanso kuwonjezereka kwachilengedwe kwa incretin mwa kuletsa ntchito ya puloteni iyi, kuphatikiza milingo ya glucagon-ngati peptide 1 ndi insulinotropic peptide yodalira glucose, zomwe zimayambitsa kapamba kuti apange insulini ndikuyimitsa shuga. kupanga m'chiwindi, ndipo pamapeto pake kumachepetsa mphamvu ya ndende ya shuga m'magazi.