Istituto di Informatica e Telematica     
D'Aurizio R., Pellegrini M., Schirripa M., Loupakis F., Cremolini C. Circulating microRNAs in metastatic colorectal cancer (mCRC) patients (pts) treated with regorafenib. In: Annals of Oncology, vol. 26 (Supp 4) pp. PP - 198. Oxford, 2015.
Introduction: Regorafenib is indicated for the treatment of mCRC patients who have failed all other therapies. Nevertheless a substantial percentage of patients experiences rapid disease progression (PD) and serious adverse events may occur. For these reasons, clinical and/or molecular markers able to improve the cost/benefit ratio are urgently needed. Circulating microRNAs (c-miRNAs) have been recognized as possible prognostic and diagnostic markers in mCRC. The aim of this study was to describe the early changes in plasma levels of 10 selected c-miRNAs during the treatment with regorafenib and to investigate their correlation with clinical outcome.Methods: Plasma samples of patients treated with regorafenib at our Institution were collected at baseline (D1) and after 15 days of treatment (D15). Plasma levels of c-miR-17, c-miR-21, c-miR-29, c-miR-34, c-miR-92, c-miR-126, c-miR-141, c-miR-221, c-miR-601, c-miR-760 were analysed by means of real-time PCR. Paired levels at D1 and D15 were compared by means of Wilcoxon test for each c-miRNA. C-miRNAs showing significant changes were further analysed in order to identify possible correlations with outcome.Results: Thirty-four patients were included in the present study. Main characteristics were the following: M/F = 50%/50%; median age = 65 (range 48-78 years); ECOG-PS 0/1-2 = 71%/29%; time from diagnosis of metastases
DOI: 10.1093/annonc/mdv233.196
Subject Computational Biology
Bioinformatics & Computational biology

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