申请人:YAMANOUCHI PHARMACEUTICAL CO. LTD.
公开号:EP1302201A1
公开(公告)日:2003-04-16
The present invention presents a pharmaceutical composition for oral use with improved absorption, which comprises drug, aminoalkyl methacrylate copolymer E, and acidic substance, wherein said 3 components are brought together and at least this polymer and this acidic substance are uniformly mixed, and a method of improving oral absorption by using this pharmaceutical composition. Moreover, the present invention presents an agent for improving oral absorption that increases drug permeability of the digestive tract mucous membrane and/or mucous layer present on the surface of this membrane, whose active ingredient is aminoalkyl methacrylate copolymer E. In addition, the present invention presents an oral agent for improving absorption by increasing drug permeability of the digestive tract mucous membrane and/or the mucous layer distributed over this mucous membrane, whose effective component is aminoalkyl methacrylate copolymer E.
本发明提出了一种可改善吸收的口服用药物组合物,该组合物由药物、甲基丙烯酸氨基烷基酯共聚物E和酸性物质组成,其中将上述3种成分汇集在一起,并至少将这种聚合物和这种酸性物质均匀混合,还提出了一种通过使用这种药物组合物来改善口服吸收的方法。此外,本发明提出了一种通过增加消化道粘膜和/或分布在该粘膜表面的粘膜层的药物渗透性来改善口服吸收的药剂,其有效成分为甲基丙烯酸氨基烷基酯共聚物 E。