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Haemophilia. 2010 May;16(3):502-7. doi: 10.1111/j.1365-2516.2009.02170.x. Epub 2009 Dec 20.

Efficacy and safety of pegylated interferon alpha-2a therapy for chronic hepatitis C in HIV-infected patients with haemophilia.

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1
Shanghai Public Health Clinical Center, Fudan University School of Medicine, Shanghai, China.

Abstract

The objective of this study was to evaluate the efficacy and safety of pegylated interferon (PEG-IFN) alpha-2a monotherapy in a cohort of Chinese haemophilic patients co-infected with human immunodeficiency virus (HIV)/hepatitis C virus (HCV) and undergoing highly active antiretroviral drugs therapy. Twenty-two (n = 22) patients with CD4 lymphocyte counts over 200 cells microL(-1) were treated with 180 microg of PEG-IFN alpha-2a subcutaneously once in a week for 48 weeks. HCV load (HCV RNA), HIV load (HIV RNA) and CD4 lymphocyte counts were measured at baseline and 4, 12, 24, 48 and 72 weeks after initiation of anti-HCV therapy. Efficacy and safety were analysed according to baseline CD4 status (> or =350 cells microL(-1)). Significant HCV-RNA decreases (>1 log(10) copies mL(-1)) were observed through week 72 after PEG-INF alpha-2a monotherapy across both CD4 strata. CD4 status was not associated with treatment outcomes as evaluated using rapid viral response rate (P = 0.655), early viral response rate (P = 0.387), end-of-treatment viral response rate (P = 1.000) or sustained viral response rate (SVR, P = 0.674). A sustained virological response was achieved in nine patients (41%), five with genotype 2a (83%) and four with genotype 1b (25%, P = 0.023). SVR was HCV genotype dependent. Eleven patients required a dose reduction in PEG-IFN alpha-2a. PEG-IFN alpha-2a monotherapy could be considered as a safe and effective option for the treatment of HCV infection in HIV patients with haemophilia, particularly in resource-limited settings. While higher CD4 lymphocyte counts resulted in greater HCV-RNA reduction, HCV genotype was a predictor for sustained virological response.

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