Lymphoblastoid interferon alfa-n1 improves the long-term response to a 6-month course of treatment in chronic hepatitis C compared with recombinant interferon alfa-2b: results of an international randomized controlled trial. Clinical Advisory Group for the Hepatitis C Comparative Study

Hepatology : Official Journal of the American Association for the Study of Liver Diseases
G C FarrellR D Goldin

Abstract

The aim of this study was to compare the short-term and long-term efficacy and safety of lymphoblastoid interferon with a recombinant interferon alfa (IFN-alpha) in a 24-week treatment course for chronic hepatitis C. One thousand seventy-one patients with chronic hepatitis C were randomized to receive lymphoblastoid IFN-alpha n1 or recombinant IFN-alpha2b at the same dosing regimen, 3 million units administered subcutaneously three times a week for 24 weeks. Hepatitis C viral (HCV) genotype (by line probe assay) was determined at baseline, and serum HCV RNA level (by quantitative reverse-transcriptase polymerase chain reaction) was measured at baseline and weeks 24, 48, and 72. Primary end points were normalization of serum alanine aminotransferase (ALT) levels at end of therapy (week 24) and sustained ALT normalization at weeks 48 and 72. Secondary end points were nondetectability of serum HCV RNA at 24, 48, and 72 weeks, and histological improvement at weeks 24 and 72. The two treatment groups were similar with respect to demographic, clinical, and histological variables (10% had cirrhosis at entry), baseline serum HCV RNA levels, and distribution of HCV genotypes. Intent-to-treat analysis showed that ALT response at end of t...Continue Reading

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