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  • Title: Can patient selection for bladder preservation be based on response to chemotherapy?
    Author: Sternberg CN, Pansadoro V, Calabrò F, Schnetzer S, Giannarelli D, Emiliozzi P, De Paula F, Scarpone P, De Carli P, Pizzo M, Platania A, Amini M.
    Journal: Cancer; 2003 Apr 01; 97(7):1644-52. PubMed ID: 12655521.
    Abstract:
    BACKGROUND: Neoadjuvant chemotherapy for patients with muscle-invasive bladder carcinoma is given to treat micrometastases and to preserve the bladder. The objective of this study was to evaluate the possibility of bladder preservation in patients with muscle-invasive bladder carcinoma who were treated with neoadjuvant methotrexate, vinblastine, doxorubicin, and cisplatin (M-VAC) chemotherapy. METHODS: One hundred four consecutive patients with T2-T4,N0,M0 transitional cell carcinoma of the bladder were treated with 3 cycles of neoadjuvant M-VAC chemotherapy. After clinical restaging, 52 patients underwent transurethral resection of the bladder (TURB) alone, 13 patients underwent partial cystectomy, and 39 patients underwent radical cystectomy. RESULTS: The median survival for the entire group was 7.49 years (95% confidence interval, 4.86-10.0 years). Forty-nine patients (49%) were T0 at the time of TURB after receiving M-VAC. Thirty-one of 52 patients (60%) who received chemotherapy and underwent TURB alone were alive at a median follow-up of 56 + months (range, 10-160 + months): Twenty-three patients (44%) in that TURB group maintained an intact bladder. Of 13 responding patients with monofocal lesions who underwent partial cystectomy, only 1 patient required salvage cystectomy, and survival generally was good. The 5-year survival rate for this group was 69%. With a long median follow-up of 88 + months (range, 16-158 months), 4 patients (31%) were alive with a functioning bladder. In the radical cystectomy group, the median follow-up was 45 months (range, 4-172 + months), and 15 of 39 patients (38%) patients remained alive. In 77 patients who had their tumors down-staged to T0 or superficial disease, the median follow-up was 63 months (range, 4-172 + months), and the 5-year rate survival was 69%. This is in contrast to a 5-year survival rate of only 26% in 27 patients who failed to respond and had a status >/= T2 after receiving chemotherapy (median follow-up, 31 months; range, 7-156 + months). The median survival for 27 elderly patients (age >/= 70 years; median age, 73 years; range, 70-82 years) was 90 months (7.5 years). For elderly patients who underwent TURB and partial cystectomy, the 5-year survival rate was 67% with a 109-month (9-year) median survival; 47% of patients preserved their bladders intact. The median follow-up of the living elderly patients was 61 months (range, 20-120 + months). CONCLUSIONS: Bladder sparing in selected patients on the basis of response to neoadjuvant chemotherapy is a feasible approach that should be confirmed in prospective, randomized trials. Selected elderly patients are candidates for this approach.
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