On Day 14, the Sapacitabine (5 mg/kg)+vorinostat (33 mg/kg) group has a mean tumour volume of 245 mm3 and a tumour growth inhibition (TGI) of 92%, whereas the Sapacitabine (15 mg/kg)+vorinostat (33 mg/kg) group has a mean tumour volume of 107 mm3 and a TGI of 112%.