Overview Study on Treatment of Pegylated Interferon Alfa 2a(Pegasys®) in the Korean Chronic Hepatitis B(CHB) Adults Status: Unknown status Trial end date: 2016-12-01 Target enrollment: Participant gender: Summary Patients will receive Peginterferon alfa-2a according to the standard medical practice but the observation period is 12 weeks Phase: Phase 4 Details Lead Sponsor: Yonsei UniversityCollaborator: Roche Pharma AGTreatments: Interferon-alphaInterferonsPeginterferon alfa-2a