Oxidative status in chronic hepatitis C: the influence of antiviral therapy and prognostic value of serum hydroperoxide assay |
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Authors: | Morisco Filomena Verde Veronica Fogliano Vincenzo Ritieni Alberto Marmo Riccardo De Luise Giusy Tuccillo Concetta Caporaso Nicola |
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Institution: | Department of Food Science, University of Naples Federico II, Parco Gussone 80055, Portici, Italy. filomena.morisco@unina.it |
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Abstract: | The effect of alpha-interferon (alpha-IFN) and ribavirin (RBV) treatment on oxidative status in chronic hepatitis C (CHC) is unknown. AIM: To study the time course of oxidative status in patients with CHC during alpha-IFN and RBV administration, and to evaluate the role of oxidative status in order to predict the therapeutic response. PATIENTS AND METHODS: Fifty one patients with CHC were studied. All received a combination of alpha-IFN and RBV for 6 or 12 months in relation to the type of response. The hydroperoxides concentration in serum test samples by D-ROM test was measured in all of the patients before therapy. In 27 patients, hydroperoxides were also measured during the treatment and during the 12 subsequent months. RESULTS: Cross-sectional analysis demonstrates that patients with a successive long-term response had a lower basal serum hydroperoxide concentration than non-responders (280 +/- 40.8 vs 337 +/- 83 CARR Units, p < 0.05). This resulted to be an independent factor predictive of long-term response in the multi-varied analysis. Longitudinal observation on 27 patients showed that the mean hydroperoxide concentration decreased significantly during treatment (T0 329 +/- 79.2 vs T12 272 +/- 34.5 CARR Units) and that the decrease in the mean values was mainly due to variations in the relapsers group. CONCLUSIONS: Normal basal hydroperoxide concentration helps to predict long-term response to combination therapy. The D-ROM test may be used for screening patients before treatment. |
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