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Abstract
To review the data with ombitasvir/paritaprevir/ritonavir and dasabuvir for the treatment of chronic hepatitis C virus (HCV) genotype 1 infection. Phase I, II, and III trials and review articles were identified through MEDLINE (1996-January 2015) and PubMed (1996-January 2015), conference abstracts, and US national clinical trials registry, using the keywords NS3/4A protease inhibitor, NS5A inhibitor, NS5B polymerase inhibitor, ABT-450, ABT-267, ABT-333, paritaprevir, ombitasvir, and dasabuvir. Preclinical, phase I, II, and III studies describing pharmacology, pharmacokinetics, efficacy, safety, and tolerability were identified. Noncirrhotic patients with HCV genotype 1b experienced sustained virological response 12 weeks after completion of therapy (SVR12) rates of 96% to 100% when ombitasvir/paritaprevir/ritonavir and dasabuvir were administered for 12 weeks, regardless of inclusion of ribavirin. SVR12 rates of 95% to 97% were seen in noncirrhotic patients with HCV genotype 1a infection who received ombitasvir/paritaprevir/ritonavir and dasabuvir with ribavirin for 12 weeks. Patients with Child-Pugh Class A cirrhosis also experienced high SVR12 rates (91.8%) when ombitasvir/paritaprevir/ritonavir and dasabuvir were administered with ribavirin for 12 weeks. Cirrhotic patients with HCV genotype 1a and a history of prior null response to peginterferon/ribavirin have higher SVR12 rates when ombitasvir/paritaprevir/ritonavir and dasabuvir and ribavirin are administered for 24 instead of 12 weeks (94.2% vs 88.6%). Adverse events are typically mild, most commonly consisting of fatigue, headache, nausea, and diarrhea. The regimen consisting of ombitasvir/paritaprevir/ritonavir and dasabuvir is highly efficacious in the treatment of HCV genotype 1 infection, with minimal adverse events. It is expected to play an important role in the armamentarium of novel agents that have a high chance of curing HCV infection.
Published Version
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