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About 70% of HCV infection fail to resolve spontaneously and progress to chronic hepatitis C, eventually to cirrhosis and HCC. Many studies have demonstrated that clinical manifestation and the outcome of HCV infection are negatively influenced by a variety of cofactors and comorbidities. Moreover many of these cofactors often reduce the chance of achieving a sustained virological response (SVR) with only available combination therapy with pegylated interferon-alpha2 (PEG-IFN) and ribavirine (RBV). Dose modification of both currently licensed drugs for treatment of HCV infection and variations of treatment duration are the most discussed strategies to optimized the therapy, particulary in patients infected by genotype 1 HCV. Tailoring the duration of peginterferon/ribavirine therapy to HCV kinetics is useful to optimize the results of therapy.

Objective: To evaluate usefulness of total fluorescence of advanced glycation end products (AGE) and haptoglobin (Hp) measurement in human serum as parameters in liver cirrhosis and hepatocellular carcinoma development among patients with anti-HCV antibodies., Materials and Methods: 43 patients (20 women and 23 men) with chronic hepatitis HCV were examined (14 individuals with liver cirrhosis and 9 with primary liver cancer). The control group numbers 20. As reflection of AGE concentration, total fluorescence in serum samples was measured with spectrofluorimetric method and haptoglobin with microplate guaiacol test., Results: We affirmed that total fluorescence in examined groups was higher than in healthy subjects, but increase was not statistically significant. Fluorescence of AGE in serum from patients with hepatocellular carcinoma was lower in comparison to patients with cirrhosis and anti-HCV carriers. Haptoglobin was significantly decreased in serum of cirrhosis patients as compared to HCV carriers of patients with hepatocellular carcinoma (p < 0.001)., Conclusions: The measurement of total fluorescence AGE is not differentiating for liver cirrhosis and hepatocellular carcinoma among anty-HCV carriers. We confirmed that haptoglobin, parameter included in fibrotest, is very useful, in detecting liver cirrhosis.