Merck presents interim data from the ongoing C-WORTHY study

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Merck announced the presentation of interim data from the ongoing C-WORTHY Study, a Phase II clinical trial evaluating the efficacy and safety of an all-oral regimen combining once-daily MK-5172, an investigational hepatitis C virus, HCV, NS3/4A protease inhibitor, and MK-8742, an investigational HCV NS5A replication complex inhibitor, with or without twice-daily ribavirin, administered for 12 weeks to treatment-naïve, non-cirrhotic patients with HCV genotype 1a and 1b infection. The interim data show that the administration of MK-5172 and MK-8742 in combination is associated with a sustained virologic response 12 weeks following the end of study therapy, SVR12. Merck previously announced that the U.S. Food and Drug Administration, FDA, granted Breakthrough Therapy designation to MK-5172/MK-8742 for treatment of chronic HCV infection. “We are encouraged by these preliminary data for the combination of MK-5172 and MK-8742,” said, Dr. Eliav Barr, vice president, Infectious Diseases, Merck Research Laboratories. “These data provide further support that we can advance these candidates, which are currently in Phase IIB clinical development, into a broader evaluation in a diverse range of HCV patients.”

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