The present invention relates to a combination comprising (5)-4-amino-N-(1-(4- chlorophenyl)-3 -hydroxypropyl)-1-(7H-pyrrolo [2,3 -d]pyrimidin-4-yl)piperidine-4- carboxamide, or a pharmaceutically acceptable salt thereof, hereafter "Compound (I)", and a taxane. Taxanes include established cancer drugs such as docetaxel (Taxotere
