FIELD : medicine; pharmaceuticals.SUBSTANCE : invention refers to using cortexolone 17α-benzoate in treating a malignant disease, which is a solid tumour. Invention also relates to pharmaceutical compositions, to methods of treating a tumour disease, to a method of treating a glucocorticoid mediated disease or disorder.EFFECT : technical result is application of cortex salon 17α-benzoate in treating a glucocorticoid mediated disease or disorder.39 cl, 18 dwg, 29 tbl, 25 ex