Background: The aim of this study, conducted in Ivory Coast, was to evaluate the prevalence and evolution of viral hepatitis in children coinfected with human immunodeficiency virus type 1 (HIV-1).
Methods: Hepatitis B virus (HBV) and hepatitis C virus (HCV) markers were retrospectively and longitudinally assessed among 280 HIV-1-infected children enrolled in the Agence Nationale de Recherches sur le SIDA et les Hépatites Virales B et C 1244/1278 cohort. Among these, 173 (61.8%) received highly active antiretroviral therapy (HAART), including lamivudine (3TC) for 122 children. Detection of the hepatitis B s antigen (HBsAg) was performed on specimens collected at inclusion and 6 months later. If results of both tests were positive, hepatitis B e antigen (HBeAg)/hepatitis B e antibody (HBeAb) and HBV DNA levels were measured at inclusion and during follow-up. A fourth-generation HCV enzyme immunoassay was used for HCV screening at inclusion.
Results: In our pediatric cohort, no patients were infected with HCV, but the prevalence of HBsAg at inclusion was 12.1% (34 of 280; 95% confidence interval [CI], 8.6-16.6). Among the HBV-HIV-1-coinfected children, a high rate of positive HBeAg chronic hepatitis B (CHB) was noted at inclusion (82.4% [ 28 of 34]; 95% CI, 65.5%-93.2%) and after a median follow-up of 18 months (78.3%; 95% CI, 45.5%-92.7%), with no significant difference between children treated with HAART (with or without 3TC) and untreated ones. These children showed high HBV DNA levels (usually >8.0 log(10) copies/mL) and viral population consisting of nearly exclusively wild-type HBeAg-positive HBV strains, strongly suggesting that most of them were in the initial immunotolerant phase of chronic hepatitis B.
Conclusion: In sub-Saharan Africa, children with chronic hepatitis B and who are treated with 3TC-based HAART are at risk of developing 3TC resistance. Further studies are required to guide the management of HBV-HIV-1-coinfected children.
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