ArticleIndian journal of hematology & blood transfusion : an official journal of Indian Society of Hematology and Blood Transfusion2022
Serial Evaluation of T cell Subsets in Paediatric Acute Myeloid Leukaemia- a Prospective Study.
Article in Indian journal of hematology & blood transfusion : an official journal of Indian Society of Hematology and Blood Transfusion, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeThere is paucity of data regarding T-cells in paediatric AML patients. The aim of this prospective study was to evaluate trend of T-cell subset during disease course of paediatric AML patients and to see its correlation with patient characteristics and survival outcome.
methodsT-cell subsets (CD3, CD4 and CD8) were evaluated by flow-cytometry at diagnosis, post-induction, post-treatment completion, at 3 months and 6 months post-treatment completion, and relapse in 29 pediatric AML patients. Trend of T-cells was plotted between group A (those in continuous remission) and group B (those who relapsed) patients.
resultsPatients with high WBC count had significantly higher number of CD3, CD4 and CD8 cell. Baseline Tcell subsets did not affect CR, EFS and OS; however, higher than median CD4 count predicted improved DFS [58% vs 25%; HR = 0.306 (0.10-0.93); P = 0.037]. On serial follow-up from post-induction till 3 months after completion of therapy, there was no difference in the absolute values of T cell subsets between group A and B patients.
conclusionOur study demonstrated T cell subsets are increased in AML subjects with high WBC count. CD4 cells have a positive impact on DFS. Serial follow-up has no impact on T cell subsets. Further studies in larger patient cohorts are needed to evaluate if CD4 population may serve as an immune biomarker for AML.
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