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Induction of Invasive Transitional Cell Bladder Carcinoma in Immune Intact Human MUC1 Transgenic Mice: A Model for Immunotherapy Development
Published on: October 30, 2013
[Bladder preservation for locally advanced bladder cancer by transurethral resection, systemic chemotherapy and
Masahito Honda1, Mototaka Satoh, Yuichi Tujimoto
1The Department of Urology, Osaka Police Hospital.
Abstract:
Twenty-three out of 31 patients with clinical T2-4a N0 M0 bladder cancer and given a trial of trimodality therapy including transurethral resection (TUR), systemic chemotherapy and radiation between 1991 and 2002 completed this therapy. The other 8 dropped out because of insufficient clinical effect. Local bladder recurrence was seen in 3 patients and the bladder preservation rate was 64.5%. Nineteen of the 23 patients showed a complete histological response on a subsequent TUR specimen, the other 4 were not examined for histological response. Thirteen of the 19 patients showed a complete histological response after maximal TUR and systemic chemotherapy, while 6 did after TUR, chemotherapy and radiotherapy. Bladder cancer was T2 in, 15, T3 in 1, and T4a in 3 patients. The CR rate for T2 cancer was significantly higher than that for T3-4a cancer. The 5-year disease-specific survival of the 23 patients treated with preservation therapy was 67.1%. Some of the patients with locally advanced bladder cancer may benefit from this preservation therapy.
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