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The role of metastatic burden in cytoreductive/consolidative radical cystectomy.
World Journal of Urology 2019 March 13
PURPOSE: To describe our institutional experience with cytoreductive/consolidative radical cystectomy (CCRC) for metastatic urothelial carcinoma (UC) and to investigate clinicopathologic features predicting prolonged cancer specific survival (CSS) following CCRC.
METHODS: We performed IRB-approved review of our cystectomy database, and identified 43 patients with metastatic UC who underwent CCRC. Baseline demographics, chemotherapy regimen, clinicopathologic features, and perioperative complications were collected. Progression-free survival (PFS) and CSS were estimated from the time of CCRC. Univariate and multivariate Cox regression models were used to identify predictors of improved CSS after CCRC.
RESULTS: Of the 43 patients, 32 (74.4%) had clinical evidence of distant metastases, while 11 harbored occult metastases on the surgical specimen. The most common site of metastasis was the retroperitoneal lymph nodes, found in 30 patients. Solitary metastases were found in 22 patients (51.1%). Forty-one (95%) patients received chemotherapy prior to CCRC. Disease progression was detected in 35 patients after CCRC (median PFS 5.9 months), and 34 died of metastatic cancer (median CSS 12.3 months). On multivariate analysis, patients with solitary metastases were found to have improved CSS compared to those with multiple metastases (HR 2.62, 95% CI 1.16-5.90, p = 0.02), with median CSS of 26.0 months vs. 7.9 months (p < 0.001). Median postoperative length of stay was 10 days. Overall, 56% suffered postoperative complications, including one perioperative mortality.
CONCLUSIONS: CCRC is feasible in the setting of metastatic UC. Patients with solitary metastasis demonstrated longer CSS than those with multiple metastases, and should be considered candidates for future trials evaluating the role of CCRC for metastatic UC.
METHODS: We performed IRB-approved review of our cystectomy database, and identified 43 patients with metastatic UC who underwent CCRC. Baseline demographics, chemotherapy regimen, clinicopathologic features, and perioperative complications were collected. Progression-free survival (PFS) and CSS were estimated from the time of CCRC. Univariate and multivariate Cox regression models were used to identify predictors of improved CSS after CCRC.
RESULTS: Of the 43 patients, 32 (74.4%) had clinical evidence of distant metastases, while 11 harbored occult metastases on the surgical specimen. The most common site of metastasis was the retroperitoneal lymph nodes, found in 30 patients. Solitary metastases were found in 22 patients (51.1%). Forty-one (95%) patients received chemotherapy prior to CCRC. Disease progression was detected in 35 patients after CCRC (median PFS 5.9 months), and 34 died of metastatic cancer (median CSS 12.3 months). On multivariate analysis, patients with solitary metastases were found to have improved CSS compared to those with multiple metastases (HR 2.62, 95% CI 1.16-5.90, p = 0.02), with median CSS of 26.0 months vs. 7.9 months (p < 0.001). Median postoperative length of stay was 10 days. Overall, 56% suffered postoperative complications, including one perioperative mortality.
CONCLUSIONS: CCRC is feasible in the setting of metastatic UC. Patients with solitary metastasis demonstrated longer CSS than those with multiple metastases, and should be considered candidates for future trials evaluating the role of CCRC for metastatic UC.
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