SYREN Study: A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) Plus Copegus (Ribavirin) in Non-Responder Patients With Chronic Hepatitis C (CHC) Genotype 1.
Conditions
Interventions
- DRUG: Copegus
- DRUG: Copegus
- DRUG: peginterferon alfa-2a [Pegasys]
- DRUG: peginterferon alfa-2a [Pegasys]
Sponsor
Hoffmann-La Roche