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journal article 
Stein, Andrew; Bellmunt, Joaquim; Escudier, Bernard; Kim, Dennis; Stergiopoulos, Sotirios G; Mietlowski, William; Motzer, Robert J; RECORD-1 Trial Study Group; Davis, I; Gurney, H; Pittman, K; Goldstein, D; Mainwaring, P; Knox, J; Ades, S; Cheng, T; Hotte, S; Ko, Y-J; MacKenzie, M; North, S; Escudier, B; Oudard, S; Ravaud, A; Caty, A; Rolland, F; Chevreau, C; Duclos, B; Negrier, S; Grünwald, V; Gschwend, J; Albers, P; Bergmann, L; Beck, J; Porta, C; Bracarda, S; Conte, P; Bajetta, E; Passalacqua...    »
Survival prediction in everolimus-treated patients with metastatic renal cell carcinoma incorporating tumor burden response in the RECORD-1 trial. 
The phase 3 RECORD-1 study demonstrated clinical benefit of everolimus over placebo (median progression-free survival: 4.9 mo compared with 1.9 mo, p<0.001) in treatment-resistant patients with metastatic renal cell carcinoma (mRCC). However, the Response Evaluation Criteria in Solid Tumors (RECIST) objective response rate was low.To explore the potential role of tumor burden response to everolimus in predicting patient survival.RECORD-1 patients with at least two tumor assessments (baseline and weeks 2-14) were included (n=246).A multivariate Cox proportional hazard model was used to assess the impact of various prognostic factors on overall survival (OS). Components of RECIST progression were explored using univariate Cox regression.The baseline sum of longest tumor diameters (SLD) and progression at weeks 2-14 were prognostic factors of OS by multivariate analysis. Univariate analysis at weeks 2-14 demonstrated that growth of nontarget lesions and appearance of new lesions were predictive of OS (p<0.001). This retrospective analysis used data from one arm of one trial; patients in the placebo arm were excluded because of confounding effects when they crossed over to everolimus.This analysis identified baseline SLD as a predictive factor of OS, and the appearance of a new lesion or progression of a nontarget lesion at first assessment after baseline also affects OS in patients with mRCC treated with everolimus. 
Eur Urol 
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Urologische Klinik und Poliklinik