• Int. J. Cancer · Sep 2014

    Multicenter Study

    VEGF and VEGFR genotyping in the prediction of clinical outcome for HCC patients receiving sorafenib: the ALICE-1 study.

    • Mario Scartozzi, Luca Faloppi, Gianluca Svegliati Baroni, Cristian Loretelli, Fabio Piscaglia, Massimo Iavarone, Pierluigi Toniutto, Giammarco Fava, Samuele De Minicis, Alessandra Mandolesi, Maristella Bianconi, Riccardo Giampieri, Alessandro Granito, Floriana Facchetti, Davide Bitetto, Sara Marinelli, Laura Venerandi, Sara Vavassori, Stefano Gemini, Antonietta D'Errico, Massimo Colombo, Luigi Bolondi, Italo Bearzi, Antonio Benedetti, and Stefano Cascinu.
    • Department of Medical Oncology Translational Oncology Unit AOU Ospedali Riuniti, Università Politecnica delle Marche, Ancona, Italy.
    • Int. J. Cancer. 2014 Sep 1; 135 (5): 1247-56.

    AbstractAlthough new treatment modalities changed the global approach to hepatocellular carcinoma (HCC), this disease still represents a medical challenge. Currently, the therapeutic stronghold is sorafenib, a tyrosine kinase inhibitor (TKI) directed against the vascular endothelial growth factor (VEGF) family. Previous observations suggested that polymorphisms of VEGF and its receptor (VEGFR) genes may regulate angiogenesis and lymphangiogenesis and thus tumour growth control. The aim of our study was to evaluate the role of VEGF and VEGFR polymorphisms in determining the clinical outcome of HCC patients receiving sorafenib. From a multicentre experience 148 samples (tumour or blood samples) of HCC patients receiving sorafenib were tested for VEGF-A, VEGF-C and VEGFR-1,2,3 single nucleotide polymorphisms (SNPs). Patients' progression-free survival (PFS) and overall survival (OS) were analysed. At univariate analysis VEGF-A alleles C of rs25648, T of rs833061, C of rs699947, C of rs2010963, VEGF-C alleles T of rs4604006, G of rs664393, VEGFR-2 alleles C of rs2071559, C of rs2305948 were significant predictors of PFS and OS. At multivariate analysis rs2010963, rs4604006 and BCLC (Barcelona Clinic Liver Cancer) stage resulted to be independent factors influencing PFS and OS. Once prospectively validated, the analysis of VEGF and VEGFR SNPs may represent a clinical tool to better identify HCC patients more likely to benefit from sorafenib. On the other hand, the availability of more accurate predictive factors could help avoiding unnecessary toxicities to potentially resistant patients who may be optimal candidates for different treatments interfering with other tumour molecular pathways. © 2014 UICC.

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