Role of ITPA and IL28B variants in the management of chronic hepatitis C treatment.

TL;DRAbstract

The inosine triphosphatase (ITPA) gene and interleukin 28B (IL28-B) gene variants have been associated to protection of anemia and sustained virological response, respectively, in patients with chronic hepatitis C (CHC) during antiviral therapy. Aim of this study was to evaluate the single and combined role of both polymorphisms in the management of peg-interferon-ribavirin treatment in CHC patients. We studied 79 Italian patients with histology proven CHC treated with pegylated interferon plus ribavirin for 6-12 months on the base of HCV genotype. Patients were carefully followed-up for anemia development which was classified as mild, moderate or severe in relation to levels of haemoglobin decreasing; ribavirin dosage reduction and/or epoietin administration were carried out, where needed. Sustained virological response (SVR) was considered for HCV-RNA clearance after 6 months of treatment stop. Decay of haemoglobin at month 1 of treatment significantly correlated with ITPA activity (

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