The compounds• 3-Z-[1-(4-(N-((4-methyl-piperazin-1-yl)-methylcarbonyl)-N-methyl-amino)-anilino)-1-phenyl-methylene]-6-methoxycarbonyl-2-indolinone or a pharmaceutically acceptable salt thereof, and• 5-deoxy-5-fluoro-N-[(pentyloxy)carbonyl]-cytidine or a pharmaceutically acceptable salt thereof,for combined use in the treatment of colorectal cancer.