The present invention provides a method of treating ovarian cancer in a mammal in need of such treatment comprising administering an effective amount of a combination of gemcitabine, cisplatin or carboplatin, and 5-[2-tert-butyl-5-(4-fluoro-phenyl)-1H-imidazol-4-yl]-3-(2,2-dimethyl-propyl)-3H-imidazo[4,5-b]pyridin-2-ylamine.