Aminoakyl methacrylate copolymer E for maintaining solubility of poorly-soluble drug

摘要

A pharmaceutical composition comprising aminoalkyl methacrylate copolymer E, an acidic substance, and a poorly-soluble drug, wherein the aminoalkyl methacrylate copolymer E and the acidic substance are uniformly mixed, and solubility of the poorly-soluble drug is maintained for at least 30 minutes is disclosed.