Considerations of antiviral treatment to interrupt mother-to-child transmission of hepatitis B virus in China
Abstract
Treating high-risk women with antivirals in their third trimester is a promising intervention to further reduce perinatal transmission in neonates born to hepatitis B surface antigen positive [HBsAg(+)] mothers. We estimated the number of perinatal infections based on coverage and effectiveness of hepatitis B immunization. We compared cost-effectiveness of different approaches to identify high-risk women for antiviral treatment, by region and urban/rural residence. Of the 16.59 million live births in 2015, 1.04 million infants (6.3%) were born to HBsAg(+) mothers and 268 201 infants (1.6%) to HBsAg(+) and HBeAg(+) dual-positive mothers. Despite immunoprophylaxis, 51 478 perinatal hepatitis B virus (HBV) transmissions were estimated to have occurred from HBsAg and HBeAg dual-positive mothers in 2015. Using HBeAg or HBV viral load testing to identify high-risk pregnant women and to treat them with Tenofovir, the incremental cost ranged from US$68.2 million to US$90.3 million. Assuming HBV viral load testing is available and used to guide treatment and all women with HBV viral loads >200 000 IU/ml are treated, 25 912 infections would be averted at a projected cost of US$3500 per infection averted. Identifying high-risk pregnant wo...Continue Reading
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Antivirals (ASM)
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