COMPOSITION PHARMACEUTIQUE POUR PRÉVENIR OU TRAITER UN CANCER CÉRÉBRAL COMPRENANT UN POLYMORPHE CRISTALLIN D'HEXOXYDE DE TÉTRAARSENIC, ET SON PROCÉDÉ DE PRÉPARATION
The present invention relates to a pharmaceutical composition which is for preventing or treating brain cancer and includes at least 99% of a crystal polymorph of tetraarsenic hexoxide a(As0-a), and to a method for preparing same. A composition according to the present invention exhibits excellent cancer cell proliferation inhibition and metastasis inhibition effects, and thus may be usefully used as an anti-cancer agent.