Treatment of cirrhotic hepatitis C virus patients with daily doses of interferon‐α2a

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Abstract
In patients with hepatitis C who have cirrhosis the rate of sustained response following interferon therapy is less than half that of patients without cirrhosis. It has been suggested, however, that a higher dose regime in patients with cirrhosis may improve response. The results of a recent Australian study of cirrhotic patients who were given an intense interferon programme of 4.5 MIU daily for 24 weeks were compared with previous studies of patients with hepatitis C. In the Australian study, 14% of patients had a sustained response at 6 months after end of therapy. Of 11 studies of interferon response in chronic hepatitis C comparison of pretreatment variables showed considerable differences. Identification of predictors of response by univariate and multivariate analysis regularly indicated the importance of age and fibrosis. Analysis of six studies with either a poor (5% or less) or a reasonable (14-19%) sustained response rate to interferon in patients with cirrhosis suggested that a higher dose or longer duration of therapy was associated with better results. The experience of the Australian study, where 14% of patients had a sustained biochemical response to interferon and side-effects were reasonably tolerated with careful monitoring, suggests that future studies in cirrhosis should be carried out exploring higher doses and longer durations of therapy.