Effects of Pegylated Interferon Alfa-2b and Ribavirin After Orthotopic Liver Transplantation in Subjects With Chronic Hepatitis C Recurrence (P04590AM3)(COMPLETED)

Inclusion Criteria: * Subjects must confirm that all prior medication washout times have been observed. * Subject must be 18 - 70 years of age of either gender and of any race. * Subject must be transplanted for end-stage hepatitis C or fulminant hepatitis C. * Subject must have documented: * persistent HCV viremia after OLT as defined by plasma positive for HCV RNA by quantitative reverse transcription-polymerase chain reaction (RT-PCR), * A liver transplant performed at least 3 months prior to screening but not more than 3 years prior to screening. * Subject must be on stable doses of immunosuppression for at least 1 month. * Compensated liver disease with minimum hematologic, biochemical, and serologic criteria at the (Day 1) baseline visit. * Alpha-fetoprotein value (AFP) less than or equal to 250ng/mL. If AFP greater than 100 ng/mL, patient will need evidence of normal liver (magnetic resonance imaging) MRI and normal chest computerized tomography (CT) scan within the last 3 months or during the screening period. * For subjects with a history of diabetes or hypertension, clearance from an ophthalmologist has to be obtained prior to treatment start (Day 1/Visit 2). * Subjects with a history of mild depression may be considered for entry into this study. * Female subjects cannot be pregnant or breastfeeding and must be either postmenopausal, surgically sterile or using 2 methods of birth control. * Sexually active male subjects are practicing an acceptable, method of contraception. * Contraceptive measures will be reviewed with female subjects at each visit. Dual methods of contraception must be used for 1 month prior to the start of treatment and 6 months after treatment discontinuation. * Pregnancy tests obtained at Screen Visit and Day 1 Visit prior to the initiation of treatment must be negative. Exclusion Criteria: * Pregnant women, women who plan to become pregnant, male subjects whose partner wants to become pregnant, and breastfeeding women (during study and up to 6 months after study completion). * Subject has used any investigational product within 30 days prior to Screening or is participating in any other clinical study. * Prior treatment for chronic hepatitis C post-liver transplant, including but not limited to antiviral or immunomodulatory product, any interferon product, or RBV, either as monotherapy or in combination. * Subjects with other organ transplants. * Any subject who received a positive hepatitis C core antibody (HBcAb) or HCV positive donor liver graft. * Retransplantation of the liver for rejection or graft failure. * Evidence of decompensated liver disease. * Known coagulopathies including hemophilia. * Known hemoglobinopathies. * Known glucose-6-phosphate dehydrogenase (G6PD) deficiency. * Hypersensitivity to alpha interferon and/or RBV. * Co-infection with hepatitis B virus (HBV) and/or human immunodeficiency virus (HIV). * Evidence of active or suspected malignancy or a history of malignancy within the last 5 years (with the exception of pre-transplant hepatocellular carcinoma histologically within the Milan criteria, and adequately treated basal or squamous cell carcinoma of the skin). * Any known pre-existing medical condition that could interfere with the subject's participation in and completion of the study. * Subject is or was a substance abuser. Subjects treated with buprenorphine (Subutex) who have been stable for 6 months may be included. * Patients weighing over 135 kg; Is participating in any other clinical study(ies); Is allergic to or has sensitivity to the study drug or its excipients.