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Change in the hepatic profile of hepatitis C virus genotype 4-infected patients with compensated cirrhosis receiving ombitasvir, paritaprevir, and ritonavir plus ribavirin: A subanalysis of the AGATE-II study.

ABSTRACT: In AGATE-II, treatment with ombitasvir coformulated with paritaprevir/ritonavir plus ribavirin (RBV) in Egyptians infected with hepatitis C virus genotype 4 resulted in high rates of sustained virologic response at post-treatment week 12. This subanalysis examined the effects of treatment in AGATE-II on liver biomarkers in patients with compensated cirrhosis. AGATE-II was a phase 3, open-label, partly randomized trial of ombitasvir/paritaprevir/ritonavir with weight-based RBV daily once in treatment-naive or treatment-experienced patients. Patients without cirrhosis received treatment for 12 weeks and patients with compensated cirrhosis were randomized 1:1 to the same regimen for either 12 or 24 weeks. Sixty patients with compensated cirrhosis were randomized to treatment for 12 weeks (n?=?31) or 24 weeks (n?=?29). In the 12-week arm, significant improvements were observed in biomarkers of liver injury (alanine aminotransferase: -53.7?U/L, P?

SUBMITTER: Waked I

PROVIDER: S-EPMC6767547 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Change in the hepatic profile of hepatitis C virus genotype 4-infected patients with compensated cirrhosis receiving ombitasvir, paritaprevir, and ritonavir plus ribavirin: A subanalysis of the AGATE-II study.

Waked Imam I Esmat Gamal G Fouad Rabab R Allam Naglaa N Hassany Mohamed M Mohey Mohammad M Shiha Gamal G Soliman Reham R Qaqish Roula B RB Hall Coleen C Alami Negar N NN Kopecky-Bromberg Sarah S Mobashery Niloufar N

Journal of medical virology 20180716 11

In AGATE-II, treatment with ombitasvir coformulated with paritaprevir/ritonavir plus ribavirin (RBV) in Egyptians infected with hepatitis C virus genotype 4 resulted in high rates of sustained virologic response at post-treatment week 12. This subanalysis examined the effects of treatment in AGATE-II on liver biomarkers in patients with compensated cirrhosis. AGATE-II was a phase 3, open-label, partly randomized trial of ombitasvir/paritaprevir/ritonavir with weight-based RBV daily once in treat ...[more]

PMID: 29900553

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Project description:ObjectivesAcid-reducing agents (ARAs) and proton-pump inhibitors (PPIs) that increase gastric pH can alter the bioavailability of antiviral drugs, particularly relevant in patients with advanced liver disease caused by chronic hepatitis C virus (HCV) infection seeking therapy. Using integrated data from six phase 3 studies, we report the safety and efficacy of the 3-direct-acting antiviral (DAA) regimen containing ombitasvir (OBV, an NS5A inhibitor), ritonavir-boosted paritaprevir (PTV/r, an NS3/4A protease inhibitor), and dasabuvir (DSV, an NS5B polymerase inhibitor) with or without ribavirin (RBV) for HCV genotype 1 patients taking concomitant ARAs and PPIs.MethodsTreatment-naïve or peginterferon/RBV treatment-experienced patients with or without compensated cirrhosis received OBV/PTV/r and DSV with or without weight-based RBV. Rates of sustained virologic response (SVR), defined as HCV RNA below the lower limit of quantification, 12 weeks post-treatment (SVR12) and safety were evaluated in patients who were receiving concomitant ARAs.ResultsAmong 2,053 patients enrolled and dosed with study drug, 410 (20%) were receiving concomitant ARAs; of these, 308 (15%) were taking concomitant PPIs. Rates of SVR12 were 95.9% (95% confidence interval (CI) 93.5-97.4%) among patients receiving an ARA, and 96.3% (95% CI 95.3-97.2%) in patients not receiving a concomitant ARA. Similarly, among patients receiving a PPI or not, SVR12 was achieved in 95.1% (95% CI 92.1-97.0%) and 96.4% (95% CI 95.5-97.2%), respectively. Response rates were high regardless of treatment regimen (with or without RBV), and among patients receiving a standard or high dose of PPIs. Regarding safety, adverse events and serious adverse events were more frequently reported in patients taking concomitant ARAs, though baseline population differences may have played a role.ConclusionsIn phase 3 trials of OBV/PTV/r plus DSV and RBV in HCV genotype 1-infected patients, SVR12 rates were high regardless of ARA/PPI use or PPI dose. These data support the co-administration of this regimen with ARAs including PPIs.

Dataset Information

Change in the hepatic profile of hepatitis C virus genotype 4-infected patients with compensated cirrhosis receiving ombitasvir, paritaprevir, and ritonavir plus ribavirin: A subanalysis of the AGATE-II study.

Publications

Change in the hepatic profile of hepatitis C virus genotype 4-infected patients with compensated cirrhosis receiving ombitasvir, paritaprevir, and ritonavir plus ribavirin: A subanalysis of the AGATE-II study.

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