Visceral fat area as a new independent predictive factor of survival in patients with metastatic renal cell carcinoma treated with antiangiogenic agents.
Fiche publication
Date publication
janvier 2011
Auteurs
Membres identifiés du Cancéropôle Est :
Pr CORMIER Luc, Pr GHIRINGHELLI François, Pr HILLON Patrick, Dr LADOIRE Sylvain, Pr PETIT Jean-Michel, Dr ZANETTA Sylvie
Tous les auteurs :
Ladoire S, Bonnetain F, Gauthier M, Zanetta S, Petit JM, Guiu S, Kermarrec I, Mourey E, Michel F, Krause D, Hillon P, Cormier L, Ghiringhelli F, Guiu B
Lien Pubmed
Résumé
Purpose. A better identification of patients who are more likely to benefit from vascular endothelial growth factor-targeted therapy is warranted in metastatic renal cell carcinoma (mRCC). As adipose tissue releases angiogenic factors, we determined whether parameters such as visceral fat area (VFA) were associated with outcome in these patients. Experimental Design. In 113 patients with mRCC who received antiangiogenic agents (bevacizumab, sunitinib, or sorafenib) (n = 64) or cytokines (n = 49) as first-line treatment, we used computed tomography to measure VFA and subcutaneous fat area (SFA). We evaluated associations linking body mass index (BMI), SFA, and VFA to time to progression (TTP) and overall survival (OS). Results. High SFA and VFA values were significantly associated with shorter TTP and OS. By multivariate analysis, high VFA was independently associated with shorter TTP and OS. These results were internally validated using bootstrap analysis. By contrast, VFA was not associated with survival in the cytokine group. In the whole population, interaction between VFA and treatment group was significant for TTP and OS, thereby confirming the results. Conclusion. Our study provides the first evidence that high VFA could be a predictive biomarker from shorter survival in patients given first-line antiangiogenic agents for mRCC.
Référence
Oncologist. 2011;16(1):71-81