Factors associated with prognosis and treatment failure in children with acute lymphoblastic leukemia

YIN Meng-Meng, HU Qun, LIU Ai-Guo, WANG Ya-Qin, ZHANG Ai

Chinese Journal of Contemporary Pediatrics ›› 2025, Vol. 27 ›› Issue (3) : 308-314.

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Chinese Journal of Contemporary Pediatrics ›› 2025, Vol. 27 ›› Issue (3) : 308-314. DOI: 10.7499/j.issn.1008-8830.2409008
CLINICAL RESEARCH

Factors associated with prognosis and treatment failure in children with acute lymphoblastic leukemia

  • YIN Meng-Meng, HU Qun, LIU Ai-Guo, WANG Ya-Qin, ZHANG Ai
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Abstract

Objective To explore the factors related to prognosis and treatment failure in children with acute lymphoblastic leukemia (ALL). Methods A retrospective study was conducted to collect and analyze clinical data of ALL children admitted to the Department of Pediatric Hematology at Tongji Hospital, Huazhong University of Science and Technology, from January 2012 to December 2019, with follow-up until June 2024. Results A total of 341 children with ALL were included. Among the 69 children with treatment failure, 55 (80%) experienced relapse, while 14 (20%) had non-relapse-related deaths, and no secondary tumors were observed. Initial WBC count ≥50×109/L, positive minimal residual disease, and severe adverse events were identified as independent risk factors for treatment failure (P<0.05). Among the 55 relapsed patients, early relapses were predominant (36%), and the primary site of relapse was the bone marrow (56%). Immunophenotyping (P=0.009), initial WBC count (P=0.011), and fusion genes (P=0.040) were associated with the timing of relapse. High-risk status, T-cell ALL, relapse, and severe adverse events were independent risk factors affecting long-term survival (P<0.05). Conclusions The prognosis of children with ALL is related to risk stratification, immunophenotyping, relapse status, and occurrence of severe adverse events. Among these factors, relapse is the primary cause of treatment failure. Actively preventing relapse may reduce the treatment failure rate and improve long-term survival.

Key words

Acute lymphoblastic leukemia / Prognosis / Treatment failure / Risk factor / Child

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YIN Meng-Meng, HU Qun, LIU Ai-Guo, WANG Ya-Qin, ZHANG Ai. Factors associated with prognosis and treatment failure in children with acute lymphoblastic leukemia[J]. Chinese Journal of Contemporary Pediatrics. 2025, 27(3): 308-314 https://doi.org/10.7499/j.issn.1008-8830.2409008

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