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  • Title: Intravesical instillation of bacille Calmette-Guérin for superficial bladder cancer: cost-effectiveness analysis.
    Author: Uchida A, Yonou H, Hayashi E, Iha K, Oda M, Miyazato M, Oshiro Y, Hokama S, Sugaya K, Ogawa Y.
    Journal: Urology; 2007 Feb; 69(2):275-9. PubMed ID: 17320663.
    Abstract:
    OBJECTIVES: Frequent recurrence of superficial bladder cancer is a major problem that impairs patients' quality of life. We studied the current treatment of superficial bladder cancer, including the economic aspects of intravesical instillation. METHODS: A total of 138 superficial bladder cancers were assessed. The tumor characteristics and treatments were investigated during a mean observation period of 86 months by univariate and multivariate analyses. The costs associated with intravesical instillation of bacille Calmette-Guérin (BCG) and its side effects were subjected to cost-effectiveness analysis. RESULTS: Tumor histologic examination revealed grade 1 in 21 lesions, grade 2 in 60 lesions, grade 3 in 40 lesions, and unclassified in 17 lesions. The pathologic stage was Stage Ta in 85 lesions, T1 in 47 lesions, and Tis in 6 lesions. Univariate and multivariate analyses showed that intravesical instillation of BCG was the most significant factor preventing recurrence, and intravesical chemotherapy had no impact on recurrence. The 5-year recurrence-free survival rate was 78% and 28% for tumors with and without BCG instillation, respectively. The cost-effectiveness ratio of BCG instillation was approximately 3900 dollars/5-yr recurrence-free period. CONCLUSIONS: Our results have indicated that BCG is an effective adjuvant therapy after transurethral resection of superficial bladder cancer in the current medical environment.
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