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Top 5 Contagion® News Articles for the Week of September 24, 2017

SEP 30, 2017 | CONTAGION® EDITORIAL STAFF

#1: Elbasvir & Grazoprevir Highly Efficacious in HCV Patients with Inherited Blood Disorders

Direct-acting antiviral (DAA) therapy has become the gold standard for treatment of hepatitis C virus (HCV) infections since its introduction in 2011. DAA therapy has proven effective in hard to treat patient populations, including those co-infected with HIV and HCV. However, very little data is available on the efficacy of DAA therapy on HCV patients with inherited blood disorders (IBLDs). In a study published in the Journal of Hepatology, principal investigator Vito Di Marco, MD, professor of gastroenterology at the University of Palermo in Italy, and his colleagues examine the efficacy of a ribavirin-free DAA therapy regimen on HCV patients with either sickle cell disease, thalassemia, or hemophilia/von Willebrand disease.

The study utilized a combination of 2 DAA drugs, elbasvir (EBR), a nonstructural 5A inhibitor, and grazoprevir (GZR), an HCV NS3/4A protease inhibitor. This combination has been approved by the US Food and Drug Administration (FDA) for the treatment of HCV patients with genotypes 1 or 4 and has been shown to be highly effective even in patients with liver cirrhosis and chronic kidney disease. The phase 3, randomized study, called C-EDGE IBLD, included female and male patients with HCV genotypes 1, 4, or 6. Patients with compensated liver cirrhosis and those co-infected with HIV were also eligible for the study. Furthermore, patients that had never received HCV treatment, those that previously received interferon-based therapy, and those that were intolerant to interferon-based therapy plus ribavirin were included. Patients were excluded if they had decompensated liver disease, were co-infected with the hepatitis B virus, or had a history of substance abuse or a history of cancer.

Patients were randomly assigned to 2 groups, those that received immediate treatment and the placebo group, which was given the treatment later. Patients, as well as investigators, were unaware of the assignments each patient received. Those in the immediate-treatment group received 50 milligrams of EBR and 100 milligrams of GZR for 12 weeks. Those in the placebo group received placebo tablets for 12 weeks, followed by a month-long follow-up period, and then they received 12 weeks of EBR and GZR. The primary endpoint of the study was if patients reached a sustained virologic response (SVR) after 12 weeks of treatment.

Read more about the study, here.

 
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