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Shortening of treatment duration in patients with chronic hepatitis C genotype 2 and 3 - impact of ribavirin dose - a randomized multicentre trial.

Maieron, Andreas, Metz-Gercek, Sigrid, Scherzer, Thomas-Matthias, Laferl, Hermann, Fischer, Gabriele, Bischof, Martin, Gschwantler, Michael und Ferenci, Peter (2011) Shortening of treatment duration in patients with chronic hepatitis C genotype 2 and 3 - impact of ribavirin dose - a randomized multicentre trial. BMC research notes, 4. p. 220. ISSN 1756-0500

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Kurzfassung

BACKGROUND Chronic hepatitis C (CHC) Patients, infected with genotype (GT) 2 or 3 are treated with Peg-IFN and ribavirin (RBV) (800 mg/day) for 24 weeks. Treatment duration can be shortened to 12-16 weeks if a higher dose of RBV (1.000/1.200 mg/day) was used without considerable loss of responsiveness or increased risk of relapse. Previously we have shown that in patients with CHC, GT 2/3 RBV can be reduced to 400 mg/day if administered for 24 weeks without an increase in relapse rates. Therefore we investigated the efficacy of a reduced RBV dosage of 400 mg/day with shorter treatment duration (16 weeks). METHODS Treatment naïve patients with CHC, GT 2/3 were randomized to receive 180 μg peginterferonα2a/week in combination with either 800 (group C) or 400 mg/d (group D) for 16 weeks. The primary endpoint was SVR. RESULTS 12 months after the first patient was randomized a inferior outcome of group D as compared to group C was noted, therefore the study was terminated. At study termination 89 patients were enrolled (group C: 31, D: 51). The SVR rate was statistically different in the two study groups with 51.6% in group C and 28.4% in group D (p = 0.038). Patients with low viral load had higher SVR rates (C: 67%, D: 33%) than those with high viral load (C: 33%, D: 21%). CONCLUSION Both treatment duration and the dose of RBV play a major role to optimize outcome of patients with GT3. If one intends to shorten the treatment weight based RBV dose should be used, if lower RBV doses are used patients should be treated for at least 24 weeks as. A treatment regimen with a reduced RBV dosage and shortened treatment duration is associated with low SVR rates due to high relapse rates. TRIAL REGISTRATION NCT01258101.

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: http://eprints.vinzenzgruppe.at/id/eprint/8802

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