This is a prospective, randomized, multicenter, open-label study. After more than 24 weeks NA treatment, HBeAg positive CHB patients who achieved HBV DNA<1000copies/ml but HBeAb negative, will be randomized (1:1) into 2 study arms as follows:~Arm A: Peginterferon alfa-2a 180μg /wk plus NA 1piece qd for 48 weeks Arm B:NA 1 piece qd for 48 weeks~The primary endpoint: HBeAg seroconversion at week 48
This is a prospective, randomized, multicenter, open-label study. After more than 24 weeks NA treatment, HBeAg positive CHB patients who achieved HBV DNA<1000copies/ml but HBeAb negative, will be randomized (1:1) into 2 study arms as follows:~Arm A: Peginterferon alfa-2a 180μg /wk plus NA 1 piece qd for 48 weeks Arm B: Entecavir 0.5mg qd for 48 weeks