| to = sertraline
| stop =
* '''Before Day 0:''' gradually reduce dosage of mirtazapine to a maximum of 30 mg/ day.
* '''Day 1:''' reduce a dosage of 30 mg/day to 15 mg/day.
| start =
* '''Day 1:''' simultaneously start sertraline in a normal dosage of 50 mg/day.
* '''Day 8:''' stop administration of mirtazapine and only continue administration of sertraline. }}