Prevention of Disease Progress in Chronic Hepatitis C Patients With Liver Fibrosis (Study P02570AM2)(COMPLETED)

PEG-Intron(TM) Maintenance Therapy vs. an Untreated Control Group for Prevention of Progression of Fibrosis in Adult Subjects With Chronic Hepatitis C With Hepatic Fibrosis (METAVIR Fibrosis Score of F2 or F3), Who Failed Therapy With PEG-Intron Plus REBETOL(R) (in Protocol No. P02370)

The objective of the study is to evaluate the safety and efficacy of PEG-Intron versus no treatment for the prevention of fibrosis progression in adult participants with moderate to severe liver fibrosis secondary to chronic hepatitis C, who failed PEG-Intron plus Rebetol treatment in protocol P02370 (NCT00039871).

Inclusion Criteria:

• Age at entry in study P02370 (NCT00039871) 18-65 years;
• Nonresponder to PEG-Intron plus Rebetol in study P02370

Exclusion Criteria:

• Participants who did not participate in the P02370 study.
• Any medical condition, including but not limited to decompensated liver disease, malignancy or substance abuse, that developed during the P02370 study which could interfere with the participant's participation in and completion of this study.