Abstract
Efficacy and safety of antiviral combination therapy in patients with Crohn's disease (CD) and chronic hepatitis C (CHC) is presently not established and consequently CHC is rarely treated in CD patients. To analyse the efficacy and tolerability of antiviral interferon/ribavirin therapy in patients with CHC and CD. Eleven HCV-infected CD patients received either 3 x 1.5 microg/kg/week interferon-alpha-2b or 180 microg/week peginterferon-alpha-2a (PEGASYS; Roche, Basel, Switzerland) as monotherapy (n = 1) or in combination with 800-1200 mg/day ribavirin (COPEGUS; Roche) (n = 10) for 24-54 weeks according to HCV-genotype and initial response respectively. Eight patients were under CD-specific therapy. Five (46%) patients (HCV-1: a = 3; HCV-2: n = 0; HCV-3: n = 1; unknown: n = 1) achieved a sustained virological response, three (27%) patients relapsed, three (27%) were nonresponders (all GT 1b). At baseline, the Harvey--Bradshaw Index was 0 (0-8) [median (range)], increased on antiviral therapy to 4 (1-15) (P = 0.005) and decreased to baseline level 0 (0-6) after 6-month follow-up. This preliminary experience demonstrates that treatment of CHC in patients with CD is comparable to the treatment of CHC in those without CD. However, gastrointestinal symptoms may be temporarily exacerbated and haemopoietic growth factors may be required.
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