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- Title
High-dose prolonged combination therapy in non-responders to interferon monotherapy for chronic hepatitis C.
- Authors
Di Marco, V.; Vaccaro, A.; Ferraro, D.; Alaimo, G.; Rodolico, V.; Parisi, P.; Peralta, S.; Di Stefano, R.; Almasio, P. L.; Craxì, A.
- Abstract
Background: Therapy of chronic hepatitis C non- responders to interferon monotherapy with standard doses of interferon plus ribavirin is usually ineffective. Aim: To evaluate the efficacy and tolerability of high-dose prolonged combination retreatment in non- responder patients. Methods: Patients were retreated for 6 months with 6 MU αIFN on alternate days and 1000 or 1200 mg/day ribavirin. HCV-RNA negative patients continued therapy for an additional 6 months. Results: Forty patients (29 males, mean age 49.7 years, 34 genotype 1b, 11 with F3 fibrosis) were treated. At 6 months, 20 (50%) patients were HCV-RNA negative but six of them discontinued therapy because of adverse events. A sustained response was achieved in 28% of patients (11/40). A sustained response was more frequent among patients with genotype non-1b than in those with genotype 1b (67 vs. 21%, P=0.005) and clearance of HCV-RNA in the first 3 months had a high predictive value for sustained response (100% of sustained responders vs. 24% of non-responders, P=0.0001). Conclusions: High-dose prolonged combination therapy in non-responders to IFN monotherapy leads to a higher rate of sustained response than the standard combination regimen. Tolerability may be a rate-limiting factor. Maximal effectiveness can be predicted in patients with non-1b genotype and in those who clear HCV-RNA soon after starting retreatment.
- Subjects
HEPATITIS C; INTERFERONS; RIBAVIRIN; RNA
- Publication
Alimentary Pharmacology & Therapeutics, 2001, Vol 15, Issue 7, p953
- ISSN
0269-2813
- Publication type
Article
- DOI
10.1046/j.1365-2036.2001.01005.x