A Novel Treatment of Premature Ejaculation

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The investigation of the etiology and treatment of premature ejaculation (PE), a common and significant problem for men and their partners, has been limited by the lack of defined outcomes and differences in clinical trial designs. Currently, no medication has been approved for the treatment for PE worldwide. Recognition of serotonin as a key mediator in ejaculatory signaling has raised interest in the utility of pharmacologic intervention for treating PE. Selective serotonin reuptake inhibitors (SSRIs) have been used off-label for PE, with varied results. However, treatment with currently available SSRIs typically requires chronic dosing that increases drug accumulation and the attendant risk of adverse events. Dapoxetine is an SSRI with a short half-life (1.2 h), developed specifically for the treatment of men with PE. This agent has a unique pharmacokinetic profile characterized by rapid absorption and elimination. Dapoxetine is metabolized by multiple pathways, and no clinically relevant drug-drug interactions have been identified. Furthermore, dapoxetine pharmacokinetics do not appear to be affected by food, age, alcohol, or phosphodiesterase type 5 (PDE5) inhibitors to a relevant degree. In two placebo-controlled phase 3 trials involving >2600 men with PE, dapoxetine 60 mg given as needed over 12 wk significantly prolonged the stopwatch-assessed intravaginal ejaculatory latency time (IELT) from 0.91 min at baseline to 3.32 min (p < 0.0001), increased control over ejaculation, and increased sexual satisfaction for men and their partners compared with placebo (both p < 0.0001). These results suggest that dapoxetine may meet the medical need for on-demand therapy for PE. © 2007 European Association of Urology.




Giuliano, F. (2007). A Novel Treatment of Premature Ejaculation. European Urology, Supplements, 6(13), 780–786. https://doi.org/10.1016/j.eursup.2007.04.005

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