Abstract
Background
Although transurethral resection (TUR) is the standard treatment for non-muscle-invasive bladder tumors, 40–80% of tumors recur in spite of complete resection.
Objective
To evaluate the efficacy, dose effectiveness and safety of early short-duration intravesical instillation therapy using epirubicin (EPI) administered immediately after TUR and on the next day following TUR.
Patients and methods
Between 1995 and 2001, 303 patients with Ta and T1 non-muscle-invasive bladder carcinoma were enrolled in this study. Patients were randomized into three groups. Group A patients were treated with two intravesical infusions of EPI 20 mg/40 ml saline immediately after TUR and within 24 h. Group B patients were treated with EPI 50 mg/100 ml on the same schedule as group A. Group C patients were treated by TUR alone as a control group. The primary endpoint was a duration to the first recurrence.
Results
Of the 303 patients, 79 in Group A, 84 in Group B, and 77 in Group C could be evaluated for recurrence. Median follow-up was 44 months. Median recurrence-free survival durations for Groups A, B, and C were 24, 38, and 13 months, respectively. The difference between Groups B and C was statistically significant (p = 0.04). Adverse reactions related to instillation were observed in about 30% of the patients. These reactions included micturition pain and frequency. These toxicities were mild and transient.
Conclusion
Intravesical instillation of EPI 50 mg twice within 24 h after TUR was effective as prophylactic therapy for non-muscle-invasive bladder cancer with tolerable toxicity problems.
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Acknowledgments
This study was conducted for the Okayama Urological Research Group at the following institutions: Okayama University, National Okayama Medical Center, National Iwakuni Medical Center, Hiroshima City Hospital, Kagawa Prefectural Central Hospital, Okayama Central Hospital, Tsuyama Central Hospital, Mitoyo General Hospital, Kure Kyosai hospital, Mihaya Red-cross hospital, Fukuyama Citizen’s hospital, Kurashiki Adult disease Hospital, Okayama Red-cross Hospital, Okayama city hospital, Okayama Rosai Hospital, Tamano Citizen’s hospital, Tottori Municipal Hospital, Takinimiya General hospital, Onomichi Citizen’s Hospital, Kochi Medical Center, Niihama Jyuzen Hospita,l Syuso General Hospital, Kagawa Rosai Hospital, Riturin Hospital, and Konko Hospital.
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For the Okayama Urological Research Group (OURG).
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Saika, T., Tsushima, T., Nasu, Y. et al. Two instillations of epirubicin as prophylaxis for recurrence after transurethral resection of Ta and T1 transitional cell bladder cancer: a prospective, randomized controlled study. World J Urol 28, 413–418 (2010). https://doi.org/10.1007/s00345-009-0502-1
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DOI: https://doi.org/10.1007/s00345-009-0502-1