By inhibiting the DPP-4 enzyme, sitagliptin increases the levels of two known active incretin hormones, glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP).
Al inhibir la enzima DPP-4, la sitagliptina aumenta los niveles de dos hormonas incretinas activas conocidas, el péptido-1 parecido al glucagón (GLP-1) y el polipéptido insulinotrópico dependiente de la glucosa (GIP).