A Study of Combination Treatment With Pegasys (Peginterferon Alfa) and Copegus (Ribavirin)in Patients With Chronic Hepatitis C
Conditions
Interventions
- DRUG: Copegus (ribavirin)
- DRUG: Copegus (ribavirin)
- DRUG: peginterferon alfa-2a [Pegasys]
- DRUG: peginterferon alfa-2a [Pegasys]
Sponsor
Hoffmann-La Roche