 Its a prospective, multicentric, randomized, controlled study concerning 84 patients with treatment-resistant depression TRD. The aim of the study is to evaluate the augmentation of Electroconvulsive therapy ECT by repeated Transcranial Magnetic Stimulation rTMS. The primary outcome will be the depressive symptoms intensity measured with the Hamilton Rating Scale For Depression HAMD-21 items after 5 ECT. The secondary outcome is to evaluate the safety and most particularly the cognitive effects of this association. 