Absolute Lymphocyte Count at the End of Induction as a Surrogate Marker for Minimal Residual Disease in T-cell Acute Lymphoblastic Leukemia

被引:0
作者
Pushpam, Deepam [1 ]
Chopra, Anita [2 ]
Sreenivas, Vishnubhatla [3 ]
Kumar, Rajive [2 ]
Bakhshi, Sameer [1 ]
机构
[1] All India Inst Med Sci, Dr BRA Inst Rotary Canc Hosp, Dept Med Oncol, New Delhi, India
[2] All India Inst Med Sci, Dr BRA Inst Rotary Canc Hosp, Dept Lab Oncol, New Delhi, India
[3] All India Inst Med Sci, Dr BRA Inst Rotary Canc Hosp, Dept Biostat, New Delhi, India
关键词
Complete remission; Outcome; Prognosis; Steroid response; PEDIATRIC-PATIENTS; RISK; THERAPY;
D O I
10.1007/s13312-019-1534-2
中图分类号
R72 [儿科学];
学科分类号
100202 ;
摘要
ObjectiveThe relation of absolute lymphocyte count (ALC) with minimal residual disease (MRD) in T cell - acute lymphoblastic leukemia (T-ALL) is not known. The objective of the study was to correlate ALC with MRD, steroid-response and complete remission (CR).MethodsDe-novo T- ALL patients (age 1-18 y) recruited prospectively; 52 enrolled, 9 excluded, and 43 analyzed. 39 achieved CR and MRD was available for 28 patients; 23 were MRD negative.ResultsALC did not correlate with steroid response and CR. Median (range) ALC at the end of induction was significantly higher in patients who were MRD negative compared to MRD positive [1.24 (0.12, 6.69) vs 0.62 (0.15, 0.87); P=0.03], respectively. Patients having ALC 700x10(9) /L were significantly more likely to be MRD negative than those with lower values (P= 0.028)ConclusionOur study suggests that ALC is a favorable factor, and may act as surrogate marker for MRD.
引用
收藏
页码:381 / 383
页数:3
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