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Efficacy of post-nephroureterectomy cisplatin-based adjuvant chemotherapy for locally advanced upper tract urothelial carcinoma: a multi-institutional retrospective study.

Abstract：

PURPOSE:To evaluate the efficacy of adjuvant systemic chemotherapy for locally advanced (pT3-4pN0/xM0) upper tract urothelial carcinoma (UTUC). MATERIALS AND METHODS:We retrospectively reviewed the medical records of 109 patients with pT3-4pN0/xM0 UTUC who had undergone radical nephroureterectomy between 1996 and 2013 at our four institutions. The patients were divided into two groups: those who received adjuvant chemotherapy (AC group) and those who did not (surgery-alone: SA group). All chemotherapy regimens were cisplatin-based. Cox proportional hazards regression models addressed the associations between clinicopathological factors and recurrence-free survival (RFS) and cancer-specific survival (CSS). RESULTS:Forty-three (39.5%) out of the 109 patients underwent one to four cycles of adjuvant chemotherapy after nephroureterectomy. Median follow-up was 46.5 months. There were no significant differences in the background characteristics of the two groups, except for age. Recurrence developed in 11 (25.6%) and 29 (43.9%) patients in the AC and SA groups, respectively. Ultimately, six (14.0%) and 18 (27.3%) patients in the AC and SA groups, respectively, died of disease progression. On univariate analysis, hydronephrosis, nuclear grade, lymphovascular invasion, and adjuvant chemotherapy were significantly associated with both RFS and CSS. Charlson comorbidity index was associated only with CSS. On multivariate analysis, adjuvant chemotherapy was the only independent factor associated with improved RFS (p = 0.0178, HR = 0.41). Moreover, adjuvant chemotherapy (p = 0.0375, HR = 0.33), lower nuclear grade (p = 0.0070), and the absence of hydronephrosis (p = 0.0493) were independently associated with better CSS. CONCLUSION:Locally advanced (pT3-4pN0/xM0) UTUC patients who underwent cisplatin-based adjuvant chemotherapy demonstrated better RFS and CSS than those without adjuvant chemotherapy.

journal_name

World J Urol

journal_title

World journal of urology

authors

Nakagawa T,Komemushi Y,Kawai T,Otsuka M,Miyakawa J,Uemura Y,Kanatani A,Taguchi S,Naito A,Suzuki M,Nishimatsu H,Hirano Y,Tanaka Y,Matsumoto A,Miyazaki H,Fujimura T,Fukuhara H,Kume H,Igawa Y,Homma Y

doi

10.1007/s00345-017-2032-6

subject

Has Abstract

pub_date

2017-10-01 00:00:00

pages

1569-1575

issue

eissn

0724-4983

issn

1433-8726

pii

10.1007/s00345-017-2032-6

journal_volume

pub_type

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Efficacy of post-nephroureterectomy cisplatin-based adjuvant chemotherapy for locally advanced upper tract urothelial carcinoma: a multi-institutional retrospective study.