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Peginterferon alfa-2a/ribavirin for 48 or 72 weeks in hepatitis C genotypes 1 and 4 patients with slow virologic response.

Ferenci, Peter, Laferl, Hermann, Scherzer, Thomas-Matthias, Maieron, Andreas, Hofer, Harald, Stauber, Rudolf, Gschwantler, Michael, Brunner, Harald, Wenisch, Christoph, Bischof, Martin, Strasser, Michael, Datz, Christian, Vogel, Wolfgang, Löschenberger, Karin und Steindl-Munda, Petra (2010) Peginterferon alfa-2a/ribavirin for 48 or 72 weeks in hepatitis C genotypes 1 and 4 patients with slow virologic response. Gastroenterology, 138 (2). 503-12, 512.e1. ISSN 1528-0012

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Kurzfassung

BACKGROUND & AIMS This randomized multicenter trial evaluated individualization of treatment duration with peginterferon alfa-2a 180 microg/wk plus ribavirin 1000/1200 mg/day in patients with chronic hepatitis C genotype 1/4 based on the rapidity of virologic response (VR). METHODS Patients with a rapid VR (RVR; undetectable hepatitis C virus [HCV]-RNA level (<50 IU/mL at week 4) were treated for 24 weeks, those with an early VR (EVR; no RVR but undetectable HCV-RNA level or >or=2-log(10) decrease at week 12) were randomized to 48 (group A) or 72 weeks of treatment (group B; peginterferon alfa-2a was reduced to 135 microg/wk after week 48). Patients without an EVR continued treatment until week 72 if they had undetectable HCV-RNA levels at week 24. The primary end point was relapse; sustained VR (SVR; undetectable HCV-RNA level after 24 weeks of follow-up evaluation) was a secondary end point. RESULTS Of 551 genotype 1/4 patients starting treatment, 289 were randomized to group A (N = 139) or group B (N = 150). The relapse rate was 33.6% in group A (95% confidence interval [CI], 24.8%-43.4%) and 18.5% in group B (95% CI, 11.9%-27.6%; P = .0115 vs group A) and the SVR rate was 51.1% (95% CI, 42.5%-59.6%) and 58.6% (95% CI, 50.3%-66.6%; P > .1), respectively. The overall SVR rate was 50.4% (278 of 551; 95% CI, 46.2%-54.7%), including 115 of 150 patients with an RVR treated for 24 weeks and 4 of 78 patients without an EVR. CONCLUSIONS Extending therapy with peginterferon alfa-2a/ribavirin to 72 weeks decreases the probability of relapse in patients with an EVR. If they can be maintained on extended-duration therapy, SVR rates also may improve.
Typ des Eintrags: Artikel
Bereiche: Ordensklinikum Linz Elisabethinen > Interne 4 - Gastroenterologie & Hepatologie, Stoffwechsel & Ernährungsmedizin, Endokrinologie
Benutzer: Prof. Dr. Rainer Schöfl
Hinterlegungsdatum: 29 Okt 2019 12:32
Letzte Änderung: 29 Okt 2019 12:32
URI: https://eprints.vinzenzgruppe.at/id/eprint/8812

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