The present invention relates to a suspension formulation containing the active substance 3-Z-[1-(4-(N-((4-methyl-piperazin-1-yl)-methylcarbonyl)-N-methyl-amino)-anilino)-1-phenyl-methylene]-6-methoxycarbonyl-2-indolinone-monoethanesulphonate, to a capsule pharmaceutical dosage form containing said suspension formulation, to a process for preparing said suspension formulation, to a process for preparing said capsule comprising said suspension formulation and to the packaging material for the finished capsule.