* Day 0: gradually reduce dosage of citalopram/escitalopram to a maximum of 20 mg/ day resp. 10 mg/day, when this dosage is respectively > 20 mg/day and > 10 mg/day. * Day 1: Reduce dosage of citalopram/escitalopram to a maximum of 10 mg/ day resp. 5 mg/day.
* Day 8: stop administration of citalopram/escitalopram.
| starten =
* Day 8: no wash-out period is needed. Start administration of clomipramine in a low dosage of 50-75 mg/day.