REPEAT Study - A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) Therapy in Combination With COPEGUS (Ribavirin) in Patients With Chronic Hepatitis C (CHC) Who Did Not Respond to Previous PegIntron (Peginterferon Alfa-2b (12KD))/Ribavirin Combination Therapy
Conditions
Interventions
- DRUG: Ribavirin
- DRUG: Ribavirin
- DRUG: peginterferon alfa-2a [Pegasys]
- DRUG: peginterferon alfa-2a [Pegasys]
- DRUG: peginterferon alfa-2a [Pegasys]
- DRUG: peginterferon alfa-2a [Pegasys]
Sponsor
Hoffmann-La Roche