Pediatric blood & cancer · 2025
Prognostic Value of Peripheral Blood Lymphocyte Subsets in Children and Adolescents With High-Grade Mature B-Cell Non-Hodgkin Lymphoma: A Real-World Outcomes Study.
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Zeng Chenggong, Wei Zhiqing, Huang Junting, Zhu Jia, Sun Feifei, Wang Juan, Lu Suying, Zhang Yizhuo, Sun Xiaofei, Zhen Zijun
Аннотация
BACKGROUND: Little progress has been made in determining prognostic factors for patients with high-grade mature B-cell non-Hodgkin lymphoma (HG B-NHL). Based on the important role of lymphocytes in cancer progression, this study aimed to explore the effect of peripheral blood lymphocytes on the prognosis of pediatric HG B-NHL.
METHODS: Patients aged less than 18 years with newly diagnosed HG B-NHL were enrolled. Peripheral blood lymphocyte subset levels were detected at diagnosis, and their optimal cutoff values were determined according to event-free survival (EFS).
RESULTS: In total, 206 patients were enrolled. The 5-year EFS and overall survival (OS) rates of the whole group were 92.1% ± 1.9% and 96.6% ± 1.3%, respectively. The 5-year EFS rate was worse in patients with a low relative CD4+ T-cell count (87.2% vs. 97.0%, p = 0.008), high relative CD8+ T-cell count (79.1% vs. 93.4%, p = 0.03), low CD4/CD8 ratio (80.5% vs. 94.2%, p = 0.01), and low B-cell count (80.0% vs. 93.4%, p = 0.02) at diagnosis than their counterparts. Cox multivariate analysis identified low relative CD4+ T-cell (HR = 4.91) and B-cell (HR = 3.87) counts at diagnosis as independent adverse prognostic factors. Patients with simultaneously low levels of CD4+ T and B cells had the worst outcomes in the entire cohort, with a 5-year EFS rate of 60.0%.
CONCLUSION: Low relative CD4+ T-cell and B-cell counts at diagnosis are associated with poor prognosis in children and adolescents with HG B-NHL in the real world.
METHODS: Patients aged less than 18 years with newly diagnosed HG B-NHL were enrolled. Peripheral blood lymphocyte subset levels were detected at diagnosis, and their optimal cutoff values were determined according to event-free survival (EFS).
RESULTS: In total, 206 patients were enrolled. The 5-year EFS and overall survival (OS) rates of the whole group were 92.1% ± 1.9% and 96.6% ± 1.3%, respectively. The 5-year EFS rate was worse in patients with a low relative CD4+ T-cell count (87.2% vs. 97.0%, p = 0.008), high relative CD8+ T-cell count (79.1% vs. 93.4%, p = 0.03), low CD4/CD8 ratio (80.5% vs. 94.2%, p = 0.01), and low B-cell count (80.0% vs. 93.4%, p = 0.02) at diagnosis than their counterparts. Cox multivariate analysis identified low relative CD4+ T-cell (HR = 4.91) and B-cell (HR = 3.87) counts at diagnosis as independent adverse prognostic factors. Patients with simultaneously low levels of CD4+ T and B cells had the worst outcomes in the entire cohort, with a 5-year EFS rate of 60.0%.
CONCLUSION: Low relative CD4+ T-cell and B-cell counts at diagnosis are associated with poor prognosis in children and adolescents with HG B-NHL in the real world.