A pharmaceutical combination comprising: (a) a phosphatidylinositol-3-kinase inhibitor selected from 2-methyl-2-[4-(3-methyl-2-oxo-8-quinolin-3-yl-2,3-dihydro-imidazo[4,5-c]quinolin-1-yl)-phenyl]- propionitrile, 5-(2,6-di-morpholin-4-yl-pyrimidin-4-yl)-4-trifluoromethyl-pyridin-2-ylamine, (S)- Pyrrolidine-1,2-dicarboxylic acid 2-amide 1-({4-methyl-5-[2-(2,2,2-trifluoro-1,1-dimethyl-ethyl)-pyridin-4- yl]-thiazol-2-yl}-amide) or any pharmaceutically acceptable salt thereof, and (b) an anaplastic lymphoma kinase inhibitor, particularly for use in the treatment or prevention of a proliferative disease； uses of such a combination in the treatment or prevention of proliferative diseases； to pharmaceutical compositions of the combination of said therapeutic agents and methods of treating a proliferative disease in a subject comprising administering to said subject a therapeutically effective amount of such a combination.
