The present invention provides liposome-containing drug administration carriers that have improved residence time in the blood and improved migration into tumor cells as compared with conventional ones and that have reduced accumulation in the heart, and a pharmaceutical composition for treating a cancer that includes liposomes containing an antitumor active substance and having polyalkylene glycol and albumin bound thereto and that can be incorporated in large amounts in the cancer cells.
本发明提供了含有脂质体的药物给药载体,与传统的药物给药载体相比,它们在血液中的停留时间更长,进入肿瘤细胞的能力更强,且在心脏中的积累减少。同时,本发明还提供了一种治疗癌症的制药组合物,其中包含了含有抗肿瘤活性物质的脂质体,且这些脂质体与聚
乙二醇和白蛋白结合,并能够大量地被肿瘤细胞吸收。