AB087. Discontinuation of dapoxetine treatment in patients with premature ejaculation: a 2-year prospective observational study
Abstract
Background: Although dapoxetine is the only oral pharmacological agent approved for the treatment of premature ejaculation (PE), and is very effective, the discontinuation rate is high. We assessed the discontinuation rate in patients with PE, and the reasons for discontinuation, in real-world practice. Methods: A total of 182 consecutive patients [mean age 38.2 (range, 19–63) years] were enrolled. The type of PE (lifelong or acquired), the self-estimated intravaginal ejaculation latency time (IELT), and medical history were evaluated in all patients, who also completed the International Index of Erectile Function-Erectile Function Domain (IIEF-EFD) questionnaire. Visits were scheduled 1, 3, 6, 12, and 24 months after initiation of therapy; we checked treatment status and the reasons for discontinuation in those who did in fact discontinue. We compared the relationships of discontinuation rates with various parameters and the time to discontinuation after treatment commencement. Results: Of all patients, 9.9% continued treatment to 2 years. The discontinuation rates at 1, 3, 6, 12, and 24 months were 26.4%, 35.2%, 17.6%, 8.2%, and 2.7%, respectively. Cumulatively, 79.1% of all patients discontinued treatment within 6 months. After 12 months, however, the discontinuation rate fell sharply. The reasons for discontinuation were cost (29.9%), disappointment that PE was not curable and that dapoxetine was required every time sexual intercourse was contemplated (25%), side effects…
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