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Dig Dis Sci. 2003 Mar;48(3):594-7.

Combination therapy with interferon-alpha(2b), ribavirin, and amantadine in chronic hepatitis C nonresponders to interferon and ribavirin.

Author information

1
Division of Gastroenterology & Hepatology, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.

Abstract

Standard therapies for the treatment of hepatitis C are ineffective in almost 50% of patients. Amantadine is an antiviral agent that may have activity against hepatitis C virus. In this pilot study, we evaluated the efficacy of a combination of interferon, ribavirin, and amantadine in patients with chronic hepatitis C who had previously failed 6-12 months of treatment with interferon and ribavirin. In this prospective open-label study, 23 patients were treated with a combination of interferon-alpha(2b) 3 million units subcutaneously three times per week, ribavirin 1000-1200 mg daily, and amantadine 100 mg twice daily for 6-12 months. Treatment was discontinued at 6 months if the patients had detectable HCV RNA by PCR. All patients were followed for 6 months after the completion of treatment. At the end of treatment, the biochemical response was 47% and the virological response was 30%. However, the rate of sustained virological response was only 13% (3/23). There were no unexpected side effects with triple therapy. In conclusion, triple therapy with interferon, ribavirin and amantadine resulted in a low sustained viral clearance in chronic hepatitis C patients who had previously failed interferon and ribavirin combination therapy.

PMID:
12757175
DOI:
10.1023/a:1022509304694
[Indexed for MEDLINE]

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