Article ID Journal Published Year Pages File Type
2138431 Leukemia Research 2009 4 Pages PDF
Abstract

Newly diagnosed children with ALL (n = 32) were treated on a protocol incorporating minimal residual disease (MRD)-based treatment decisions. MRD was monitored at 4 time points by semi-quantitative PCR detection of antigen receptor gene rearrangement, flow cytometry, quantitative RT-PCR detection of chimeric gene transcripts and overexpressed WT1 mRNA. Four patients positive for MRD at week 5 were treated with an intensified regimen. Median follow-up was 5.0 years (range 3.8–6.6 years) with a 4-year event-free survival rate of 93.8 ± 4.3%. This MRD-based treatment strategy seems to be highly successful and may improve the outcomes of children with ALL. A large study is warranted.

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