A vascular permeability suppressant includes an oxaspirooctane derivative of the general formula (I):
[wherein, R1 represents, for example, lower alkylcarbamoyl group or protected carbamoyl group, R2 represents lower alkoxyl group, and R3 represents
the formula
or a pharmaceutically acceptable salt thereof, together with a pharmaceutically acceptable carrier. Particularly, for example, an agent that can prevent retention of carcinomatous pleural effusion or carcinomatous ascites.
血管渗透性
抑制剂包括通式(I)的氧杂螺
辛烷衍
生物:
[其中,R1 代表例如低级烷基
氨基甲酰基或受保护的
氨基甲酰基,R2 代表低级烷氧基,R3 代表
式中
或其药学上可接受的盐,以及药学上可接受的载体。特别是,例如可防止癌性胸腔积液或癌性腹
水潴留的制剂。