Pharmacologic profile
Adverse events. The most common adverse events in patients treated with esketamine nasal spray were dissociation (41%), dizziness (29%), nausea (28%), sedation (23%), and vertigo (23%).2 The majority of these effects were short-term and resolved during the 2-hour observation period.
In addition to spontaneously reported events, sedation and dissociation were further monitored with specific scales. Sedation was measured with the Modified Observer’s Alertness and Sedation Scale. Using this scale, 50% of patients receiving 56 mg and 61% of patients receiving 84 mg of esketamine met criteria for sedation.
Similarly, dissociation/perceptional changes were measured with spontaneously reported events and also with the Clinician Administered Dissociative State Scale. On this scale, 61% of patients receiving the 56-mg dose, and 69% of patients receiving the 84-mg dose met criteria for dissociation/perceptional changes after dose administration.
Increases in blod pressure. Esketamine intranasal spray was associated with a 7 to 9 mm Hg increase in systolic blood pressure and a 4 to 6 mm Hg increase in diastolic blood pressure, both of which peaked 40 minutes post-dose.
Nausea and vomiting. Intranasal esketamine was associated with a 27% rate of nausea at 56 mg, and 32% at 84 mg, with a 6% rate of vomiting at 56 mg and 12% at 84 mg.
Continue to: Pharmacokinetics