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Article Dans Une Revue International Journal of Gynecology and Obstetrics Année : 2024

Costs of integrating hepatitis B screening and antiviral prophylaxis into routine antenatal care in Burkina Faso: Treat all versus targeted strategies

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Abstract Objective Economic feasibility of eliminating mother‐to‐child transmission (MTCT) of hepatitis B virus (HBV) in highly endemic African countries remains uncertain. Prevention of MTCT (PMTCT) involves screening pregnant women for hepatitis B surface antigen (HBsAg), identifying those with high viral loads or hepatitis B e antigen (HBeAg), and administering tenofovir prophylaxis to high‐risk women. We estimated the costs of integrating PMTCT services into antenatal care in Burkina Faso, based on four different strategies to select women for tenofovir prophylaxis: (1) HBV DNA (≥200 000 IU/mL), (2) HBeAg, (3) hepatitis B core‐related antigen rapid diagnostic test (HBcrAg‐RDT) and (4) all HBsAg‐positive women. Methods Using a micro‐costing approach, we estimated the incremental economic cost of integrating each strategy into routine antenatal care in 2024, compared to neonatal vaccination alone. Sensitivity analyses explored variations in prevalence, service coverage, test and tenofovir prices. Results HBcrAg‐RDT strategy was the least expensive, with a total economic cost of US$3959689, compared to HBV DNA (US$6128875), HBeAg (US$4135233), and treat‐all (US$4141206). The cost per pregnant woman receiving tenofovir prophylaxis varied from US$61.88 (Treat‐all) to US$1071.05 (HBV DNA). The Treat‐All strategy had the lowest marginal cost due to a higher number of women on tenofovir (66928) compared to HBV DNA (5722), HBeAg (10020), and HBcrAg‐RDT (7234). In sensitivity analyses, the treat‐all strategy became less expensive when the tenofovir price decreased. Conclusion HBcrAg‐RDT minimizes resource use and costs, representing 0.61% of Burkina Faso's 2022 health budget. This study highlights the potential economic feasibility of these strategies and provides valuable resources for conducting cost‐effectiveness analyses.
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pasteur-04613418 , version 1 (16-06-2024)

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Andréa Gosset, Patrizia Carrieri, Seydou Drabo, Abdoul Salam Eric Tiendrebeogo, Jeanne Perpétue Vincent, et al.. Costs of integrating hepatitis B screening and antiviral prophylaxis into routine antenatal care in Burkina Faso: Treat all versus targeted strategies. International Journal of Gynecology and Obstetrics, In press, Online ahead of print. ⟨10.1002/ijgo.15515⟩. ⟨pasteur-04613418⟩
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