Antidepressants and Ejaculation: A Double-Blind, Randomized, Fixed-Dose Study With Mirtazapine and Paroxetine

Abstract
A double-blind, fixed-dose study in healthy men with lifelong early ejaculation was performed to evaluate potential differences in their effects on ejaculation latency, between clinically relevant doses of the selective serotonin reuptake inhibitor paroxetine and the noradrenergic and specific serotonergic antidepressant mirtazapine. Twenty-four men with an intravaginal ejaculation latency time (IELT) less than 1 minute were randomly assigned to paroxetine (20 mg/d) or mirtazapine (30 mg/d) for a period of 6 weeks; half the dosage was given in the first week. During the preceding 1-month baseline and 6-week treatment period, intravaginal ejaculation latency times were measured at home using a stopwatch procedure. The trial was completed by 18 men. Analysis of variance revealed a between-group difference in the development of the delay in intravaginal ejaculation latency time over time (P

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