N-hydroxy-4-{2-[3-(N,N-dimethylaminomethyl)benzofuran-2-ylcarbonylamino]ethoxy}-benzamide of formula (I):or an addition salt thereof with a pharmaceutically acceptable acid or base, alone or in association with surgery, chemotherapy or hormone therapy treatment or radiotherapy, for use in the treatment of cancer, characterized in that it is administered for 4 consecutive days, that period being followed by 3 consecutive days without any administration of compound of formula (I), with the proviso that the chemotherapy is not FOLFOX.