Boceprevir In Treatment-Naive Hepatitis C Patients Show A High Rate Of Early Response

Schering-Plough Corporation (NYSE: SGP) provided an update on the clinical development program for boceprevir, its investigational oral hepatitis C protease inhibitor. Initial results from an ongoing Phase II study in treatment-naive (previously untreated) hepatitis C patients showed boceprevir (800 mg TID) in combination with PEGINTRON(TM) (peginterferon alfa-2b) and REBETOL(R) (ribavirin, USP) achieved a high rate of early virologic response, with up to 79 percent of patients having undetectable virus (HCV-RNA) at week 12 of boceprevir treatment compared to 34 percent of patients receiving PEGINTRON and REBETOL alone.

"These initial results, while preliminary, are very encouraging, and showed that boceprevir is a potent antiviral agent for hepatitis C," said Paul Kwo, M.D., associate professor of medicine and medical director, liver transplantation, Department of Medicine, Division of Gastroenterology/Hepatology, Indiana University School of Medicine, Indianapolis, and the lead investigator of the study. "In this study, boceprevir improved viral clearance rates at week 12 in genotype 1 hepatitis C infection compared to the control group. We look forward to further results from this ongoing study."

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