3-(1-{3-[5-(1-methyl-piperidin-4-ylmethoxy)-pyrimidin-2-yl]-benz yl}6-oxo-1,6-dihydro-pyridazin-3-yl)-benzonitrile or a pharmaceutically acceptable salt and/or solvate thereof for the use for the treatment of renal cell carcinoma (RCC).3- (1-{3- [5- (1-metil-piperidin-4-ilmetoxi) -pirimidin-2-il] -bencil} -6-oxo-1,6-dihidro-piridazin-3-il) -benzonitrilo o una sal farmacéuticamente aceptable y/o solvato del mismo para usarse en el tratamiento de carcinoma de células renales (RCC).
