Efficacy and Safety of MP-424, Peginterferon Alfa-2b and Ribavirin in Chronic Hepatitis C Who Have Not Achieved an Undetectable HCV RNA Level With Previous Interferon Based Therapy

A Phase 3 Study of MP-424 in Combination With Peginterferon Alfa-2b and Ribavirin (RBV) in Subjects With (Genotype 1) Hepatitis C Who Did Not Respond to Previous Treatment

This study will evaluate the efficacy and safety of MP-424 with Peginterferon Alfa-2b and RBV in patients with (Genotype 1) hepatitis C, who did not respond to previous treatment.

Inclusion Criteria:

• Genotype 1, chronic hepatitis C
• Non-responders (patient who did not respond to previous treatment)
• Able and willing to follow contraception requirements

Exclusion Criteria:

• Cirrhosis of the liver or hepatic failure
• Hepatitis B surface antigen-positive or HIV antibodies-positive
• History of, or concurrent hepatocellular carcinoma
• History of, or concurrent depression, schizophrenia; or suicide attempt in the past
• Pregnant, lactating, or suspected pregnant patients, or male patients whose female partner is pregnant