Gliclazide is an oral hypoglycaemic agent used for the treatment of non-insulin dependent diabetes mellitus T2DM. has low solubility in stomach and poor absorption bioavailability. The pH-dependent gliclazide influences intra- inter-subject variability. purpose this study was to develop, optimize evaluate pH-sensitive nanoparticles (NPs) based on Eudragit® S100 polymer delivery (GLZ) attempt im...