Clinically node-positive bladder cancer: oncological results of induction chemotherapy and consolidative surgery

Patients with clinically node-positive bladder cancer have a poor prognosis, with many receiving only palliative chemo- therapy. We evaluated oncological results in bladder cancer patients with clinically regional and supraregional lymph- adenopathy treated with induction chemotherapy (IC) and consolidative cystectomy. Twenty-five patients with clinically node-positive bladder cancer (including pelvic and retroperitoneal nodes) were treated with 2-4 cycles of IC followed by consolidative cystectomy between 2010 and 2016. Pathologic complete response (pCR) was defined as no residual tumor in the final specimen (ypT0N0).The 3-year cancer-specific (CSS) and recurrence-free survival (RFS) for the whole cohort were 52% and 39%, respectively. The 3-year RFS differed according to volume of nodal metastases, the rates were 56% for minimal nodal disease (cN1) versus 33% for cN2-3 and 0% for cM1 disease (p<0.001). pCR was seen in 7 (28%) patients; 50% in cN1 versus 13% in cN3-M1. pCR associated with 3-year CSS of 80% versus 45% in patients with persistent disease after IC. In conclusion, a multimodal approach to patients with clinically node-positive bladder cancer, consisting of IC followed by consolidative surgery, may achieve long-term survival in selected patients. Better results may be expected in patients with initially minimal nodal burden and complete pathologic response to chemotherapy. Further studies are warranted to improve patient selection for consolidative surgery, especially with supra-regional metastases.

Neoplasma. 2018 Jan [Epub]

M Stanik, A Poprach, D Macik, I Capak, D Maluskova, N Mareckova, R Lakomy, J Jarkovsky, J Dolezel

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