A Study on Antiviral Treatment of Chronic Hepatitis B in Children

"Child patients are assigned to one of the 3 treatment regimens according to their illness state and treatment desire of their parents/guardians, and the number of patients in each group is expected to limited to 300.~1. NA monotherapy group : received entecavir (ETV) for 96 weeks.~2. Combination therapy group: received peginterferon alfa-2b combined with ETV for 96 weeks.~3. Pulse therapy group :received peginterferon alfa-2b pulse treatment combined with ETV for 144 weeks."