Nasal The nasal spray device delivers a total of 28 mg, in 2 sprays (1 spray per nostril). Do not prime before use. Prior to dosing, assess BP. After dosing, reassess BP at approx 40 min & subsequently as clinically warranted. Intended to be self-administered by the patient under direct supervision of a healthcare professional, w/ a 5-min rest between use of each device.
Treatment-resistant major depressive disorder All dose changes should be in 28-mg increments. Evaluate evidence of therapeutic benefit at the end of induction phase to determine need for continued treatment. Periodically re-examine the need for continued treatment. After depressive symptoms improve, treatment is recommended for at least 6 mth.
Adult <65 yr Induction phase Wk 1-4: Starting day 1 dose: 56 mg. Subsequent doses: 56 mg or 84 mg twice a wk.
Maintenance phase Wk 5-8: 56 mg or 84 mg once wkly. From wk 9: 56 mg or 84 mg every 2 wk or once wkly.
Elderly ≥65 yr Induction phase Wk 1-4: Starting day 1 dose: 28 mg. Subsequent doses: 28 mg, 56 mg or 84 mg twice a wk.
Maintenance phase Wk 5-8: 28 mg, 56 mg or 84 mg once wkly. From wk 9: 28 mg, 56 mg or 84 mg every 2 wk or once wkly.
Acute short-term treatment of psychiatric emergency due to major depressive disorder Adult <65 yr 84 mg twice per wk for 4 wk, reduce to 56 mg based on tolerability. Continue oral antidepressant therapy after 4 wk of treatment per clinical judgement.