BACKGROUND: The aim of this study was to document in real life the characteristics and management of hepatitis C patients treated with pegylated interferon-α2a and ribavirin, and the efficacy of treatment (sustained virological response [SVR]). METHODS: This observational study enrolled hepatitis C patients initiating pegylated interferon-α2a and ribavirin treatment. RESULTS: A total of 2,066 patients were included, of which 70% were treatment-naive, 53% had genotype (G) 1 and 38% G2 or G3 infection, and 35% had an F3-F4 Metavir score. In total, 18% of patients treated for 24 weeks and 39% of patients treated for 48 weeks prematurely stopped treatment, mainly because of side effects. The SVR rate (intent-to-treat population) was 39%: 43% in naive patients and 31% in treatment-failure patients. In the complete case analysis population, this was 49%: 54% in naive patients and 37% in treatment-failure patients. Among naive patients, the SVR rate was 42% in G1 carriers and 69% in G2 or G3 carriers. The SVR rate was 69% in naive G1 patients without fibrosis (F0; versus 44% in F1-F2 versus 31% in F3-F4; P<0.001). In naive patients, G2 or G3, low viral load (<800,000 IU/ml) and age ≤40 years were predictive factors for SVR. In treatment-failure patients, low viral load, no or low fibrosis stage (F0-F1) and no treatment modification were predictive factors of SVR. CONCLUSIONS: In patients treated in a real-life setting, adherence to therapy, SVR rates, predictive factors of SVR and safety results were close to those observed in randomized trials. A high SVR in G1 naive patients with no fibrosis warrants further study and might suggest earlier treatment.
BACKGROUND: The aim of this study was to document in real life the characteristics and management of hepatitis C patients treated with pegylated interferon-α2a and ribavirin, and the efficacy of treatment (sustained virological response [SVR]). METHODS: This observational study enrolled hepatitis C patients initiating pegylated interferon-α2a and ribavirin treatment. RESULTS: A total of 2,066 patients were included, of which 70% were treatment-naive, 53% had genotype (G) 1 and 38% G2 or G3 infection, and 35% had an F3-F4 Metavir score. In total, 18% of patients treated for 24 weeks and 39% of patients treated for 48 weeks prematurely stopped treatment, mainly because of side effects. The SVR rate (intent-to-treat population) was 39%: 43% in naive patients and 31% in treatment-failurepatients. In the complete case analysis population, this was 49%: 54% in naive patients and 37% in treatment-failurepatients. Among naive patients, the SVR rate was 42% in G1 carriers and 69% in G2 or G3 carriers. The SVR rate was 69% in naive G1 patients without fibrosis (F0; versus 44% in F1-F2 versus 31% in F3-F4; P<0.001). In naive patients, G2 or G3, low viral load (<800,000 IU/ml) and age ≤40 years were predictive factors for SVR. In treatment-failurepatients, low viral load, no or low fibrosis stage (F0-F1) and no treatment modification were predictive factors of SVR. CONCLUSIONS: In patients treated in a real-life setting, adherence to therapy, SVR rates, predictive factors of SVR and safety results were close to those observed in randomized trials. A high SVR in G1 naive patients with no fibrosis warrants further study and might suggest earlier treatment.
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