Abstract
BackgroundThe long-term oncological outcomes of laparoscopic (LRC) and robotic-assisted radical cystectomy (RARC) are still maturing compared with open radical cystectomy (ORC). ObjectiveTo evaluate the 5-yr oncological outcomes of patients recruited into the randomised trial of Open, Laparoscopic and Robot Assisted Cystectomy (CORAL) and extracorporeal urinary diversion. Design, setting, and participantsA review of prospectively maintained database of 60 patients with muscle-invasive bladder cancer (MIBC) or high-risk nonmuscle-invasive bladder cancer (HRNMIBC) who were previously randomised in the CORAL trial to receive ORC, RARC, or LRC. This trial was designed to compare the perioperative and early oncological outcomes of these techniques. Outcome measurements and statistical analysisThe outcomes of interest included 5-yr recurrence-free survival (RFS), cancer-specific survival (CSS), and overall survival (OS). Kaplan–Meier curves were used to plot the recurrence and survival data. The curves between RFS, CSS, and OS were compared using the log-rank test. A two-sided p value <0.05 was considered significant. Results were analysed on the basis of intention to treat. Results and limitationsA total of 60 patients with either MIBC (n=38) or HRNMIBC (n=21) were randomised in the CORAL trial to receive ORC, RARC, or LRC. The 5-yr RFS was 60%, 58%, and 71%; 5-yr CSS was 64%, 68%, and 69%; and 5-yr OS was 55%, 65%, and 61% for ORC, RARC, and LRC, respectively. There was no significant difference in RFS, CSS, and OS between the three surgical arms. The principal limitation is the small sample size. ConclusionsThere was no difference in 5-yr RFS, CSS, and OS rates of patients who underwent ORC, RARC, and LRC for management of bladder cancer. Minimally invasive techniques achieved equivalent oncological outcomes to the gold standard of ORC. However, the study was based at a single institution with a small sample size. Patient summaryPatients who agreed to participate in the randomised trial of either open, laparoscopic, or robotic-assisted radical cystectomy for bladder cancer did not have different cancer outcomes at 5yr.
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