Citalopram-vortioxetine

Before day 1: Gradually reduce dosage of citalopram to a maximum of 20 mg/day, when this dosage is > 20 mg/day.
Day 1: When a dosage of 20 mg/day is reached, stop administration.

Start vortioxetine

A wash-out period is not necessary, but care is needed.
Day 1: Start administration of vortioxetine in a dosage of 10 mg/day.

More information

Citalopram is a weak inhibitor of CYP2D6, which metabolizes vortioxeine.
Patients could be directly switched from a SSRI or a SNRI to vortioxetine 10 mg/day. One week after intiation with vortioxetine, the dosage could be increased from 10 mg/day to 20 mg/day.^[3]

↑ Switches are based on literature references on this page and expert opinions of the authors. The authors have used pharmacokinetic and receptor affinity properties to determine the switch schedules
↑ Stahl, S. M. (2013). Stahl's essential psychopharmacology: Neuroscientific basis and practical applications (4th ed.). Cambridge University Press.
↑ Montgomery SA et al. A randomised, double-blind study in adults with major depressive disorder with an inadequate response to a single course of selective serotonin reuptake inhibitor or serotonin-noradrenaline reuptake inhibitor treatment switched to vortioxetine or agomelatine. Hum Psychopharmacol. 2014 Sep;29(5):470-82.

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[1] Switches are based on literature references on this page and expert opinions of the authors. The authors have used pharmacokinetic and receptor affinity properties to determine the switch schedules

[2] Stahl, S. M. (2013). Stahl's essential psychopharmacology: Neuroscientific basis and practical applications (4th ed.). Cambridge University Press.

[3] Montgomery SA et al. A randomised, double-blind study in adults with major depressive disorder with an inadequate response to a single course of selective serotonin reuptake inhibitor or serotonin-noradrenaline reuptake inhibitor treatment switched to vortioxetine or agomelatine. Hum Psychopharmacol. 2014 Sep;29(5):470-82.

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Citalopram-vortioxetine

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