Efficacy and Safety Study of Telbivudine to Prevent Perinatal Transmission
Chronic Hepatitis B, Gestation
About this trial
This is an interventional treatment trial for Chronic Hepatitis B, Gestation focused on measuring Chronic hepatitis B, Telbivudine, Intrauterine transmission
Eligibility Criteria
Inclusion Criteria:
- 20-40 years old pregnant woman with gestational age of 20-32 week;
- positive serum HBsAg;
- HBV DNA≥1.0x106 copies/ml;
Exclusion Criteria:
- with previous antiviral treatment;
- with clinical sign of threatened miscarriage or related treatment in early pregnancy;
- positive serum HAV, HCV, HDV and HEV tests;
- fetus deformity by 3-D ultrasound examination;
- on other dugs, such as immune modulators, cytotoxic drugs or steroids;
- husbands are infected with HBV.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Experimental
Other
Telbivudine
Control
Drug administration and follow up: the subjects in Telbivudine group start dosing Telbivudine orally at 20-32 gestational weeks, with 600 mg daily, continue to one month after delivery.And their newborns are given HBIG 200IU by injection immediately after born and at day 15. They are also injected with genetically engineered HB vaccine 20ug respectively at age of 0, 1 and 6 months.
The pregnant subjects in Control group are intervented with no drugs, but their newborns are given HBIG 200IU by injection immediately after born and at day 15. They are also injected with genetically engineered HB vaccine 20ug respectively at age of 0, 1 and 6 months.