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  • Title: Intravesical 4'-epi-doxorubicin (epirubicin) versus bacillus Calmette-Guérin. A controlled prospective study on the prophylaxis of superficial bladder cancer.
    Author: Melekos MD, Chionis HS, Paranychianakis GS, Dauaher HH.
    Journal: Cancer; 1993 Sep 01; 72(5):1749-55. PubMed ID: 8348504.
    Abstract:
    BACKGROUND: The selection of the most appropriate antineoplastic agent and optimal treatment schedule for the prophylaxis of superficial bladder cancer against tumor recurrences is the subject of continual investigations. METHODS: A controlled prospective trial involving 161 patients evaluated and compared the efficacy of intravesical epirubicin and bacillus Calmette-Guérin (BCG) administration as prophylaxis against recurrences after complete transurethral resection of superficial bladder cancer. The treatment schedule, consisting of one 6- or 8-week course of instillations (50 mg epirubicin or 150 mg BCG per instillation) followed by single maintenance doses to the responders at follow-up examinations, was modified for those of the initial responders who were at high risk for recurrence and who received an additional separate 4-week course of treatment 6 months after the start of therapy. RESULTS: Sixty percent of the patients treated with epirubicin, 68% of the patients treated with BCG, and 41% of the control subjects, who underwent resection only, remained free of recurrences for a mean follow-up of 32.9 months. The only significant difference was found between patients treated with BCG and control subjects, in favor of the former. Conversely, recurrence rate per 100 patient-months and mean interval to recurrence showed both drugs to be superior to resection alone regarding several tumor characteristics. However, a significant benefit in favor of BCG when compared with epirubicin was shown in those patients who had Stage T1 and Grade 3 tumors at presentation. CONCLUSIONS: Intravesical epirubicin and BCG were superior to transurethral resection alone in the prophylaxis of superficial bladder cancer, but with respect to superficially invasive and high-grade tumors, BCG demonstrated a remarkable advantage.
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