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[Hypertension as predictive factor in renal cell cancer treated with antiangiogenic therapy].

Knowledge of several pathways of oncogenesis has led to the development of novel therapies in the treatment of advanced kidney cancer in the last five years. These have targeted the vascular endothelium-derived factor (VEGF) (angiogenesis) and mammalian target of rapamycin (mTOR). Antiangiogenics are a group of active molecules with a peculiar spectrum of toxicity including the development of hypertension, thyroid dysfunction and hand-foot syndrome. The identification of molecular and clinical predictors would allow to identify those patients who would benefit from such treatment and saveguarding the rest from toxic exposure. The occurrence of hypertension has been correlated with treatment response and clinical efficacy. In our retrospective series, patients treated with antiangiogenic agents who developed high blood pressure showed a higher response rate and disease-free interval compared to those without increased blood pressure. Hypertension should be considered a clinical predictor in the treatment of these patients. These findings should be confirmed in a larger study population.