Sitagliptin phosphate is dipeptidyl peptidase Ⅳ(DDP-4) inhibitor kirasi yemishonga yakagadzirwa nekambani yeGerman Merck uye yakatanga kuwana mvumo yeUS Food and Drug Administration yekurapa chirwere cheshuga cherudzi rwechipiri, mushonga mutsva weantidiabetic, unogona kuvandudza muviri wega. kukwanisa kuderedza mazinga eglucose eropa, uye kuwedzera kwechisikigo incretin nekudzivisa basa re enzyme iyi, kusanganisira mazinga eglucagon-like peptide 1 uye glucose-inotsamira insulinotropic peptide, zvichiita kuti pancreas ivandudze kugadzirwa kwe insulini uye kumisa glucose. kugadzirwa muchiropa, uye pakupedzisira kuderedza mhedzisiro yekiriniki yeropa glucose.