Virological responses during treatment for recent hepatitis C virus: potential benefit for ribavirin use in HCV/HIV co-infection.

AIDS
Jason GrebelyATAHC Study Group

Abstract

The role of ribavirin (RBV) in the treatment of recent hepatitis C virus (HCV) (acute/early chronic) is unclear, particularly in HIV-infected individuals. This study evaluated early virological decline during recent HCV therapy in HIV-uninfected individuals receiving pegylated interferon (PEG-IFN) monotherapy and HIV-infected individuals receiving PEG-IFN/RBV. The Australian Trial in Acute Hepatitis C was a nonrandomized prospective study of patients with recent HCV. All participants received PEG-IFN (24 weeks); HCV/HIV participants also received RBV. Early HCV RNA decline was assessed among adherent participants (≥80% PEG-IFN, ≥80% treatment). Logistic regression identified predictors of rapid virological response (RVR) (<10 IU/ml). Of 109 treated, 82% were adherent (HCV, n=57; HCV/HIV, n=32). Overall, RVR was 51% (HCV: 55% vs. HCV/HIV: 43%; P=0.323). Factors independently associated with RVR included duration of infection less than 26 weeks, HCV RNA below 5.6 log(10) IU/ml at baseline and HCV genotype 2/3 infection. Between baseline and week 12, mean decline in HCV RNA was greater in HCV/HIV participants (PEG-IFN/RBV) compared to HCV participants (PEG-IFN) (4.19 vs. 3.32 log(10) IU/ml; P=0.029). Greater HCV RNA decline was ob...Continue Reading

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