选择给药途径需考虑药物的酶不稳定性基团的存在以及组织对药物的固有通透性。这对肽或蛋白质类药物是重要的,因为这与提高其生物利用度有关。动物和人之间不同组 The choice of route of administration takes into account the presence of the enzyme’s labile groups and the inherent permeability of the tissue to the drug. This is important for peptides or proteinaceous drugs as this is related to increasing their bioavailability. Different groups between animals and humans