Abstract
Purpose
To determine through the analysis of our multi-institutional database whether postoperative adjuvant chemotherapy for upper urinary tract carcinoma with localized invasive upper urinary tract carcinoma (UUTC) is beneficial.
Methods
A study population of 93 patients with pT3N0/xM0 UUTC was eligible for this study. Clinical features evaluated were sex, tumor location, adjuvant chemotherapy status, tumor pathology (histology, grade, infiltrating growth, lymphovascular invasion (LVI)), and cause of death. Cancer-specific survival (CSS) was estimated by Kaplan–Meier method. Prognostic factors related to CSS were analyzed by Cox proportional hazards regression model for multivariate analysis.
Results
In pT3 patients, overall 5-year CSS rate was 68.4% and median CSS time was 31 months (range 3–114 months). In the adjuvant chemotherapy group, 5-year CSS rate was 80.8%, whereas 5-year CSS rate was 64.4% in the non-adjuvant chemotherapy group. By multivariate analysis, adjuvant chemotherapy status was significantly associated with CSS (P = 0.008) were sex, tumor grade, tumor histology, and LVI presence.
Conclusions
This study, although it was retrospective study, revealed that adjuvant chemotherapy after RNU may be beneficial in pT3N0/X patients by multivariate analysis. Prospective studies evaluating adjuvant therapy regimens for UTTC are required.
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Abbreviations
- UUT:
-
Upper urinary tract
- CT:
-
Computed tomography
- MRI:
-
Magnetic resonance imaging
- RNU:
-
Radical nephroureterectomy
- UUTC:
-
Carcinoma of upper urinary tract
- CSS:
-
Cancer-specific survival
- RFS:
-
Recurrence-free survival
- AJCC:
-
The American Joint Committee on Cancer
- UICC:
-
Union Internationale Contre le Cancer
- LVI:
-
Lymphovascular invasion
- INF:
-
Infiltrating growth
- eGFR:
-
Estimated glomerular filtration rate
- M-VAC:
-
Methotrexate, vinblastine, doxorubicin, and cisplatin
- GC:
-
Gemcitabine and cisplatin
- MEC:
-
Methotrexate, epirubicin, and cisplatin
- MEN:
-
Methotrexate, epirubicin, and nedaplatin
- HR:
-
Hazard ratio
- CI:
-
Confidence interval
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Acknowledgments
The authors wish to thank the investigators, their staff, and the affiliated institutions for the important contribution to this study in The Osaka Urinary Tract Urothelial Carcinoma Collaboration Group: Kensaku Nishimura, Susumu Miyoshi, (Osaka Rosai Hospital); Ken Takeda, (Osaka Medical Center for Cancer and Cardiovascular Diseases); Seiji Yamaguchi, (Osaka General Medical Center Hospital); Yoichi Shiotsuka, Shigeru Nakamori, (Higashiosaka City General Hospital); Toshiaki Yoshioka, (Sumitomo Hospital); Satoko Fukuda, Tsuneo Hara, (Ikeda Municipal Hospital); Hideki Sugao, (Minoh City Hospital); Mototaka Sato, Koji Hatano, Masatoshi Mukai, Akira Nagahara, Motohide Uemura, Daizo Oka, (Osaka University).
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There are no sources of support to declare, and no author has any financial disclosures or conflicts of interest to declare.
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Kawashima, A., Nakai, Y., Nakayama, M. et al. The result of adjuvant chemotherapy for localized pT3 upper urinary tract carcinoma in a multi-institutional study. World J Urol 30, 701–706 (2012). https://doi.org/10.1007/s00345-011-0775-z
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DOI: https://doi.org/10.1007/s00345-011-0775-z