Short-term intravesical instillation of pirarubicin (THP) in prophylactic treatment after transurethral resection of superficial bladder tumor

We conducted a prospective randomized controlled study on the prophylactic effects of short-term intravesical instillation of pirarubicin (THP) against recurrence to determine the effective administration schedule. All patients gave their informed consent. The subjects included bladder cancer patien...

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Veröffentlicht in:Hinyokika kiyo. Acta urologica Japonica. - 1962. - 44(1998), 8 vom: 25. Aug., Seite 547-52
1. Verfasser: Kuroda, K (VerfasserIn)
Weitere Verfasser: Ishii, N, Fukasawa, K, Shirai, M, Tajima, M, Matsushima, M, Miura, K, Takanami, M, Matsuhashi, M, Kuwabara, T, Matsumoto, H, Sugita, M
Format: Aufsatz
Sprache:Japanese
Veröffentlicht: 1998
Zugriff auf das übergeordnete Werk:Hinyokika kiyo. Acta urologica Japonica
Schlagworte:Clinical Trial English Abstract Journal Article Randomized Controlled Trial Antibiotics, Antineoplastic Doxorubicin 80168379AG pirarubicin D58G680W0G
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520 |a We conducted a prospective randomized controlled study on the prophylactic effects of short-term intravesical instillation of pirarubicin (THP) against recurrence to determine the effective administration schedule. All patients gave their informed consent. The subjects included bladder cancer patients who had pTa or pT1, and G1 or G2 cancer, and became tumor-free after transurethral resection of the bladder tumor (TUR-BT). After dissolving 30 mg of THP into 5 ml of distilled water, physiological saline was added to adjust the total volume to 50 ml, which was then instilled into the bladder, and was retained for 5 minutes. The schedule of instillation was for daily for 7 consecutive days from the day of TUR-BT and subsequently once a week for 10 weeks, 17 times in total for Group I, and once every two weeks for 6 months (12 times) starting 2 weeks after TUR and subsequently once a month until one year had passed after surgery (6 times), 18 times in total for Group II. The total number of cases was 69 (36 in Group I, 33 in Group II). The tumor-free ratios determined by the Kaplan-Meier analysis were 93.9% in Group I and 72.7% in Group II for one year, and 86.8% in Group I and 59.5% in Group II for two years. There was a statistically significant difference in the tumor-free ratios between the two groups by the generalized Wilcoxon test and the Log rank test (p = 0.0145 and 0.0107, respectively). Multivariated analysis using Cox's comparison hazard model produced p-values of 0.0002, 0.0007, 0.0009 and 0.0040 in the order of therapeutic mode, initial onset/recurrence, stage and number of tumor. Adverse events that forced discontinuation of the therapy for a while occurred in 4.3%. These results demonstrated that short-term intensive intravesical instillation of THP immediately after TUR-BT was a safe and effective therapy 
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700 1 |a Fukasawa, K  |e verfasserin  |4 aut 
700 1 |a Shirai, M  |e verfasserin  |4 aut 
700 1 |a Tajima, M  |e verfasserin  |4 aut 
700 1 |a Matsushima, M  |e verfasserin  |4 aut 
700 1 |a Miura, K  |e verfasserin  |4 aut 
700 1 |a Takanami, M  |e verfasserin  |4 aut 
700 1 |a Matsuhashi, M  |e verfasserin  |4 aut 
700 1 |a Kuwabara, T  |e verfasserin  |4 aut 
700 1 |a Matsumoto, H  |e verfasserin  |4 aut 
700 1 |a Sugita, M  |e verfasserin  |4 aut 
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