Pharmaceutical composition for prevention or treatment of brain cancer comprising crystalline polymorph of tetraarsenic hexaoxide and method for producing the same

摘要

The present invention relates to a pharmaceutical composition for the prevention or treatment of brain cancer comprising 99% or more of the crystalline polymorphism a (As4O6-a) of arsenic hexaoxide or a method for producing the same. It exhibits a metastasis inhibitory effect and can be usefully used as an anticancer agent. [Selection] Figure 2