The present invention relates to a combined preparation for simultaneous, separate or sequential use comprising at least one flavagline or a pharmaceutically acceptable salt thereof and/or at least one 5-hydroxy-flavone or a pharmaceutically acceptable salt thereof and at least one agent activating the intrinsic pathway of apoptosis for use in the treatment of cancer. The N present invention further relates to a medicament comprising the combined preparation of the present invention, as well as to a kit comprising the combined preparation or a medicament according to the present invention and a means for administering at least one of its components. Moreover, the present invention relates to a method of inhibiting a cancer cell, comprising contacting said cancer cell with the combined preparation of the present invention, and thereby inhibiting said cancer cell.