A prospective controlled study of interferon-based therapy of chronic hepatitis C in patients on methadone maintenance

Hepatology : Official Journal of the American Association for the Study of Liver Diseases
Stefan MaussGünther Schmutz

Abstract

We examined the feasibility of hepatitis C treatment in patients on opioid maintenance. One hundred patients with chronic hepatitis C, 50 on methadone maintenance, and 50 with no intravenous drug use or opioid maintenance for at least 5 years were prospectively matched for sex, age, hepatitis C virus (HCV) genotype and HCV RNA. The primary end point was undetectable HCV RNA at 24 weeks posttreatment. Treatment with peginterferon alfa-2b (1.5 microg/kg per week) and ribavirin (1000-1200 mg /day) was initiated for 24 weeks (HCV genotype 2, 3) or 48 weeks (HCV genotype 1, 4). Within the first 8 weeks of therapy, discontinuation due to noncompliance or patient request was observed in 22% (11/50) in the methadone group versus 4% (2/50) in the control group (P =.02). After 8 weeks, there was no significant difference in discontinuation due to noncompliance or patient request (4/39 [10%] vs. 4/48 [8%]). There was no difference in discontinuation of therapy because of viral failure or adverse events (10/50 methadone vs. 6/50 control, P =.41). At the end of treatment, 50% (25/50) in the methadone group and 76% (38/50) in the control group had undetectable HCV RNA (P =.01). Sustained viral response was 42% (21/50) in the methadone group ...Continue Reading

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