Abstract

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• INTRODUCTION:

  To compare oncological and functional results of robot-assisted radical prostatectomy (RARP) and brachytherapy (BT) with a single-center prospective randomized study.

  MATERIALS AND METHODS:

  From January 2012 to January 2014, 165 patients with low risk prostate cancer, prostate volume ≤ 50 g, normal urinary (IPSS ≤ 7 and mean flow rate ≥ 15 mL/sec) and erectile functions (IIEF-5 > 17) were enrolled and randomly assigned to the RARP or BT group. Our end points included the comparison of biochemical recurrence-free survival rates, urinary function (IPSS and EPIC scores) and potency rates (IIEF-5 score) at different time points during the first 2 years after surgery between the two groups.

  RESULTS:

  The biochemical recurrence-free survival rates were 96.1% and 97.4% for the BT and RARP groups, respectively (p = 0.35). Significantly higher IPSS scores were assessed in the BT than in the RARP group at all the postoperative time points (p < 0.05). Significantly higher continence rates were assessed in the BT than in the RARP group during only the first 6 months of follow up (p < 0.05). Significantly lower potency rates were assessed in the BT than in the RARP group at all the postoperative time points (p < 0.05).

  CONCLUSIONS:

  Our data showed similar biochemical recurrence-free survival rates after BT and RARP. BT patients confirmed constantly higher rates of urinary symptoms while only reporting better continence rates for the first 6 months after surgery. RARP patients reported higher potency rates than BT patients during all the follow up period.