Background and methods: The study evaluated prognostic factors associated with varicella-zoster virus (VZV) infection and mortality in children with acute lymphoblastic leukemia (ALL) using data from the multicenter Chinese Children’s Cancer Group ALL-2015 trial. Results: In total, 7,640 patients were recruited, and 138 cases of VZV infection were identified. The incidence of VZV infection was higher in patients aged ≥ 10 years (22.5%) and in patients with the E2A/PBX1 fusion gene (11.6%) compared to those aged < 10 years (13.25%, P = 0.003) or with other fusion genes (4.9%, P = 0.001). Of the 10 deaths in children with ALL and VZV infection, 4 resulted from VZV complications. The differences between groups in the 5-year overall survival, event-free survival, cumulative recurrence, and death in remission were not statistically significant. The proportion of complex infection was higher in children with a history of exposure to someone with VZV infection (17.9% vs. 3.6%, P = 0.022). Conclusion: VZV exposure was associated with an increased incidence of complex VZV infection and contributed to VZV-associated death in children with ALL.
CITATION STYLE
Xiao, P., Cai, J., Gao, J., Gao, W., Guan, X., Leung, A. W. K., … Hu, S. (2022). A prospective multicenter study on varicella-zoster virus infection in children with acute lymphoblastic leukemia. Frontiers in Cellular and Infection Microbiology, 12. https://doi.org/10.3389/fcimb.2022.981220
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