Factors Influencing Overall Survival for Patients With Metastatic Clear-Cell Renal-Cell Carcinoma in Daily Practice.

Clin Genitourin Cancer 2018 04 25;16(2):e297-e305. Epub 2017 Sep 25.

Department of Pharmacy, University Hospital, Besançon, France; University Bourgogne Franche-Comté, INSERM, EFS BFC, UMR1098, Interactions hôte-greffon-tumeur, Ingénierie Cellulaire et Génique, Besançon, France. Electronic address:

Purpose: To describe factors associated with overall survival (OS) among patients with metastatic clear-cell renal-cell carcinoma (mccRCC) in regard to evolution of systemic therapies.

Patients And Methods: Two hundred twenty-four consecutive patients with histologically confirmed mccRCC who received targeted therapy on first-line treatment between January 2007 and March 2015 were included. The primary end point was OS for metastatic first-line or second-line treatment. An analysis of prognostic factors of long survival was performed using a 2-step approach: univariate, then multivariate analysis.

Results: Median OS [95% confidence interval] was 19.4 months [16.1-24.9]. Three prognostic factors were identified in first-line treatment: Memorial Sloan Kettering Cancer Center (MSKCC) favorable and intermediate risks (hazard ratio [95% confidence interval] = 0.362 [0.207-0.630] and 0.561 [0.393-0.801], respectively, P = 4.10), metastasectomy (0.667 [0.468-0.951], P = .03), and lack of lymph node metastasis (0.715 [0.513-0.994], P = .049). In second-line treatment, median OS [95% confidence interval] was 11.0 months [8.9-14.4] for 167 patients. Three different prognostic factors predicted long survival: toxicity for first-line treatment discontinuation (HR [95% confidence interval] = 0.298 [0.180-0.493], P < 10), duration of disease control in first-line therapy (0.961 [0.942-0.979], P = 2.10), and MSKCC favorable and intermediate risks (0.461 [0.252-0.843] and 0.936 [0.607-1.443], respectively, P = .02).

Conclusion: These real-life data confirm the positive impact of targeted therapy in the mccRCC setting. Moreover, it emphasizes the importance of considering many factors in order to better estimate prognosis in patient pretreated with systemic therapy.

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http://dx.doi.org/10.1016/j.clgc.2017.09.006DOI Listing
April 2018
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