The Role of the Low-Intensity Extracorporeal Shockwave Therapy on Penile Rehabilitation After Radical Prostatectomy: A Randomized Clinical Trial
Abstract
BACKGROUND
Erectile dysfunction (ED) after radical prostatectomy (RP) still represents a major issue. Considering the benefits recently described regarding the application of low-intensity extracorporeal shockwave therapy (LiESWT) in vasculogenic ED, questions arise about its role in the scenario of penile rehabilitation.
AIM
To compare the early introduction of phosphodiesterase-5 inhibitor (PDE5i) with a combination therapy enrolling both early PDE5i use and LiESWT in patients submitted to RP.
METHODS
This study is a randomized clinical trial, open-label, with 2 parallel arms and an allocation ratio of 1:1. The study was registered in ReBEC (ensaiosclinicos.gov.br) Trial: RBR-85HGCG. Both arms started tadalafil at a dose of 5 mg/day right after the removal of the transurethral catheter, and the experimental group received 2,400 shocks/session-week distributed on 4 different penile regions. The full treatment consisted of 19,200 impulses across 8 weeks.
OUTCOMES
The primary clincal end point was ≥4-point difference favoring the experimental group considering the mean International Index of Erectile Function short form (IIEF-5) at last follow-up. Any statistical difference in the IIEF-5 score between the arms was stated as the primary statistical end point.
RESULTS
Between September 25, 2017, and December 3, 2018, 92 men were enrolled in the study. At last follow-up, we assessed 77 patients, 41 in the control group and 36 in the intervention group. A difference between…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 77 participants or records.
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