Japanese journal of clinical oncology · 2011
Could patient age influence tumor recurrence rate in non-muscle-invasive bladder cancer patients treated with BCG immunotherapy?
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Yuge Kazuyuki, Kikuchi Eiji, Matsumoto Kazuhiro, Takeda Toshikazu, Miyajima Akira, Oya Mototsugu
Аннотация
OBJECTIVE: The effect of local immunotherapy with bacille Calmette-Guérin in elderly patients with non-muscle-invasive bladder cancer has not yet been fully evaluated. The aim of the present study was to evaluate whether patients' age influences the response to bacille Calmette-Guérin treatment for the prevention of tumor recurrence and whether the side effects were tolerable.
METHODS: We reviewed 1252 cases with non-muscle-invasive bladder cancer treated with transurethral bladder tumor resection, and 447 cases who underwent bacille Calmette-Guérin immunotherapy were included. The associations between patient age or pathological findings and tumor recurrence were determined. Side effects were classified as minor or major and were analyzed on the basis of their incidences in each age group.
RESULTS: The patients were divided into four age categories: younger than 55 (n= 86), 55-64 (n = 143), 65-74 (n = 132) and equal or older than 75 years (n = 86). The Kaplan-Meier curves of recurrence-free survival rates demonstrated that patients aged 55-64 had been continuously tumor-free than the equal or older than 75 group. The presence of previous bladder cancer and Grade 3 were independent predictors for tumor recurrence; however, patients' age was not selected. The incidence of fever was slightly higher and that of cystitis was lower in the younger group.
CONCLUSIONS: Age does not certainly affect recurrence in patients with bladder cancer treated with bacille Calmette-Guérin therapy. The related side effects in the elderly patients were almost equal to those in the younger. With careful monitoring, bacille Calmette-Guérin therapy is safe even in elderly patients.
METHODS: We reviewed 1252 cases with non-muscle-invasive bladder cancer treated with transurethral bladder tumor resection, and 447 cases who underwent bacille Calmette-Guérin immunotherapy were included. The associations between patient age or pathological findings and tumor recurrence were determined. Side effects were classified as minor or major and were analyzed on the basis of their incidences in each age group.
RESULTS: The patients were divided into four age categories: younger than 55 (n= 86), 55-64 (n = 143), 65-74 (n = 132) and equal or older than 75 years (n = 86). The Kaplan-Meier curves of recurrence-free survival rates demonstrated that patients aged 55-64 had been continuously tumor-free than the equal or older than 75 group. The presence of previous bladder cancer and Grade 3 were independent predictors for tumor recurrence; however, patients' age was not selected. The incidence of fever was slightly higher and that of cystitis was lower in the younger group.
CONCLUSIONS: Age does not certainly affect recurrence in patients with bladder cancer treated with bacille Calmette-Guérin therapy. The related side effects in the elderly patients were almost equal to those in the younger. With careful monitoring, bacille Calmette-Guérin therapy is safe even in elderly patients.