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  • Title: Initial results of bladder preserving approach by chemo-radiotherapy in patients with muscle invading transitional cell carcinoma.
    Author: Aboziada MA, Hamza HM, Abdlrahem AM.
    Journal: J Egypt Natl Canc Inst; 2009 Jun; 21(2):167-74. PubMed ID: 21057568.
    Abstract:
    BACKGROUND: This study was conducted to test the efficacy and tolerability of trimodality treatment for invasive bladder cancer and to test the possibility of bladder sparing. METHODS: This study had been carried out on 50 patients with transitional cell carcinoma (TCC) stage T2- T3 tumors with adequate performance status and renal function. All patients were subjected to maximum transurethral resection of bladder tumors (TURBT). Patients were then subjected to chemo-radiation that was executed in two treatment phases. Phase I was external radiotherapy in the form of 46 Gy /23 fractions /5 weeks to whole pelvis with concurrent cisplatin 40 mg/m2 weekly. Phase II was 20 Gy /10 fractions /2 weeks to the bladder tumor with concurrent cisplatin 40 mg/m2 weekly. After phase I, patients who had complete response (CR) or partial response (PR) were subjected to phase II and patients who had stationary disease (SD) were subjected to salvage cystectomy. After the end of treatment, patients who had CR were subjected to bladder preservation. Radiological and cystoscopic reevaluation was done to assess the tumor response after phase I and phase II. After completion of the scheduled treatment, patients were under follow up for clinical examination, radiological, and cystoscopic assessment. RESULTS: The treatment schedule was tolerable and was associated with infrequent incidence of moderate toxicity that was easily controlled without interruption of treatment. Bladder preservation was achieved in 72%of patients. The actuarial relapse free survival and overall survival at a median follow up 18 months for patients who were candidate for bladder preservation were 81% and 100%; respectively. Invasive recurrence (16%) salvaged with cystectomy and superficial recurrence (6%) successfully treated with Bacilles bilie de CalmetteGuerin. CONCLUSIONS: This study indicates that in spite of a relatively small number of patients and short follow-up period; the trimodality treatment could be an effective way to achieve a high response rate in the treatment of invasive TCC of the bladder with good tolerance.
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