Romark Announces Presentation of New Data for Nitazoxanide in Chronic Hepatitis C at ...(ating synergisticinteractions between ni...)

Date:11/3/2008

ating synergistic interactions between nitazoxanide and direct-acting antiviral drugs targeting NS5B (2'C methylcytidine and HCV-796) and NS3 (telaprevir and BILN-2061) in HCV replicons. Nitazoxanide was also active against telaprevir- and 2'C methylcytidine-resistant mutant replicons. The authors concluded that nitazoxanide is a good candidate for combination therapies with STAT-C agents in the absence of interferon or ribavirin.

-- "Nitazoxanide (NTZ) is an Inducer of eIF2a and PKR

phosphorylation," Elazar et al., Tuesday, November 4, 8:00 AM -

12:30 PM PST (Poster #1881)

This poster presentation by Menashe Elazar, Ph.D. of the Division of Gastroenterology and Hepatology, Department of Medicine, Stanford University School of Medicine, showed that nitazoxanide increases the intracellular levels of phosphorylated eukaryotic translation initiation factor 2alpha (eIF2alpha), a key mediator of host cell antiviral defenses. Co-treatment with interferon increased nitazoxanide-induced eIF2alpha phosphorylation. . Nitazoxanide was also shown to increase the phosphorylation of protein kinase R (PKR), a key step in the activation of PKR's kinase activity towards eIF2alpha.

"Data presented in each of these communications has provided important information in guiding the ongoing clinical development of nitazoxanide," said Dr. Rossignol.

About Hepatitis C

Hepatitis C is a blood-borne infectious disease that is caused by the hepatitis C virus (HCV). It is the most common cause of chronic hepatitis in the U.S. and may eventually lead to cirrhosis, liver cancer and liver failure. The disease is transmitted by contact with HCV-infected blood. A large majority of those infected do not show symptoms, but fatigue, abdominal pain and nausea can be common. The current standard treatment of care, peginterferon and ribavirin, is effective in about half of all patients treated. According to the Centers for Disease Control, HCV a
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SOURCE Romark Laboratories Copyright©2008 PR Newswire. All rights reserved

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