Treatment-resistant depression Adult Induction phase [wk 1-4 (2 treatment sessions/wk)] Starting dose: 56 mg (day 1). Subsequent doses: 56 or 84 mg.
Maintenance phase 56 or 84 mg once wkly (wk 5-8), 56 or 84 mg every 2 wk or once wkly (from wk 9).
Elderly ≥65 yr Induction phase [wk 1-4 (2 treatment sessions/wk)] Starting dose: 28 mg (day 1). Subsequent doses: 56 or 84 mg.
Maintenance phase 56 or 84 mg once wkly (wk 5-8), 56 or 84 mg every 2 wk or once wkly (from wk 9). Subsequent doses should be increased in 28 mg increments up to 56 or 84 mg based on efficacy & tolerability.
Acute short-term treatment of psychiatric emergency due to major depressive disorder Adult 84 mg twice wkly for 4 wk. Continue oral antidepressant after 4 wk per clinical judgement.