Abstract
ObjectivesThis study aimed to evaluate whether tenofovir prophylaxis for mothers with high viral loads in late pregnancy is a cost-effective way to prevent mother-to-child hepatitis B virus (HBV) transmission in China. MethodsA decision tree Markov model was constructed for a cohort of infants born to HBV surface antigen-positive mothers in China, 2016. The expected cost and effectiveness were compared between the current active-passive immunoprophylaxis strategy and the tenofovir prophylaxis strategy, and the incremental cost-effectiveness ratio was calculated. One-way and multi-way probabilistic sensitivity analyses were performed. ResultsFor 100,000 babies born to mothers positive for hepatitis B surface antigen, tenofovir prophylaxis strategy will prevent 2213 perinatal HBV infections and will gain 931 quality-adjusted life years when compared with the current active-passive immunoprophylaxis strategy. The incremental cost-effectiveness ratio was ￥59,973 ($9087) per quality-adjusted life years gained. This result was robust over a wide range of assumptions. ConclusionsTenofovir prophylaxis for mothers with high viral loads in late pregnancy was found to be more cost-effective than the current active-passive immunoprophylaxis alone. Embedding tenofovir prophylaxis for mothers with high virus loads into the present hepatitis B prevention strategies should be considered to further prevent mother-to-child hepatitis B transmission in China.
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