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Kroeger, Nils; Xie, Wanling; Lee, Jae‐Lyn; Bjarnason, Georg A.; Knox, Jennifer J.; MacKenzie, Mary J.; Wood, Lori; Srinivas, Sandy; Vaishamayan, Ulka N.; Rha, Sun‐Young; Pal, Sumanta K.; Yuasa, Takeshi; Donskov, Frede; Agarwal, Neeraj; Kollmannsberger, Christian K.; Tan, Min‐Han; North, Scott A.; Rini, Brian I.; Choueiri, Toni K.; Heng, Daniel Y.C.
Cancer, 15 August 2013, Letnik: 119, Številka: 16Journal Article
BACKGROUND This study aimed to apply the International mRCC Database Consortium (IMDC) prognostic model in metastatic non–clear cell renal cell carcinoma (nccRCC). In addition, the survival outcome of metastatic nccRCC patients was characterized. METHODS Data on 2215 patients (1963 with clear‐cell RCC ccRCC and 252 with nccRCC) treated with first‐line VEGF‐ and mTOR‐targeted therapies were collected from the IMDC. Time to treatment failure (TTF) and overall survival (OS) were compared in groups with favorable, intermediate, and poor prognoses according to IMDC prognostic criteria RESULTS The median OS of the entire cohort was 20.9 months. nccRCC patients were younger (P < .0001) and more often presented with low hemoglobin (P = .014) and elevated neutrophils (P = .0001), but otherwise had clinicopathological features similar to those of ccRCC patients. OS (12.8 vs 22.3 months; P < .0001) and TTF (4.2 vs 7.8 months; P < .0001) were worse in nccRCC patients compared with ccRCC patients. The hazard ratio for death and TTF when adjusted for the prognostic factors was 1.41 (95% CI, 1.19‐1.67; P < .0001) and 1.54 (95% CI, 1.33‐1.79; P < .0001), respectively. The IMDC prognostic model reliably discriminated 3 risk groups to predict OS and TTF in nccRCC; the median OS of the favorable, intermediate, and poor prognosis groups was 31.4, 16.1, and 5.1 months, respectively (P < .0001), and the median TTF was 9.6, 4.9, and 2.1 months, respectively (P < .0001). CONCLUSIONS Although targeted agents have significantly improved the outcome of patients with nccRCC, for the majority survival is still inferior compared with patients with ccRCC. The IMDC prognostic model reliably predicts OS and TTF in nccRCC and ccRCC patients. Cancer 2013;119:2999—3006. © 2013 American Cancer Society. The International mRCC Database Consortium risk model is a reliable prognostication tool that can be employed to prognosticate overall survival in non–clear cell renal cell carcinoma (nccRCC) for patient counseling and clinical trials design. The survival outcome for the majority of nccRCC patients remains lower than their clear‐cell counterparts.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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