The present invention provides a pharmaceutical composition for respiratory administration containing a polysaccharide derivative having a group derived from a polysaccharide and a group derived from a physiologically active substance that is covalently bonded to the group derived from a polysaccharide.
本发明提供了一种用于呼吸道给药的药物组合物,其中含有一种
多糖衍
生物,该衍
生物具有一个源自
多糖的基团和一个源自生理活性物质的基团,该生理活性物质与源自
多糖的基团共价键合。