The purpose of the present invention is to provide a pharmaceutical composition for transcolonic absorption which is capable of delivering a biologically active substance (in particular, a water-soluble biologically active substance with a high molecular weight) having sites of action in the cell, not by injection, noninvasively and with high specificity into cells in specific tissues. This pharmaceutical composition for transcolonic absorption is characterized by comprising at least (a) and (b) below: (a) a biologically active substance having sites of action in the cell and to which a lipoprotein introduction substance is bonded, and (b) a compound having a large intestine mucous membrane epithelium permeability enhancing effect for the biologically active substance.
本发明的目的是提供一种用于经溶质吸收的药物组合物,该组合物能够不通过注射, 而以非侵入性和高度特异性的方式将
生物活性物质(特别是高分子量的
水溶性
生物活性物 质)输送到特定组织的细胞中,该
生物活性物质在细胞中具有作用位点。这种经溶质吸收的药物组合物的特点是至少包括以下(a)和(b)项:(a) 在细胞中具有作用位点并与脂蛋白导入物质结合的
生物活性物质,和 (b) 对
生物活性物质具有增强大肠粘膜上皮渗透性作用的化合物。