To investigate if it is possible by adding pegylated interferon injections to current oral treatment, or switching from oral anti-hepatitis B medication to only pegylated interferon injections, will lead to a better treatment outcome.
Hepatitis B carrier ≥ 6 months
On any NA treatment (Lamivudine, Adefovir, Entecavir or Tenofovir) for ≥ 1 year
HBV DNA undetected at screening
No history of depression or psychiatric disease, autoimmune disease & cancer