Publication details

Low levels of minimal residual disease after induction chemotherapy for BCR-ABL1-negative acute lymphoblastic leukaemia in adults are clinically relevant

Authors

SALEK Cyril FOLBER František FRONKOVA Eva PECHERKOVA Pavla JELINKOVA Hana HRABOVSKÝ Štěpán HORACEK Jan M. CETKOVSKY Petr MAYER Jiří TRKA Jan DOUBEK Michael

Year of publication 2022
Type Article in Periodical
Magazine / Source British journal of haematology
MU Faculty or unit

Faculty of Medicine

Citation
Web https://onlinelibrary.wiley.com/doi/10.1111/bjh.17966
Doi http://dx.doi.org/10.1111/bjh.17966
Keywords acute lymphoblastic leukaemia; minimal residual disease; prognostic factors; PCR; IG; TR rearrangements
Description The aim of the present study was to evaluate the significance of low-level minimal/measurable residual disease (MRD) during early consolidation treatment in adult BCR-ABL1-negative acute lymphoblastic leukaemia. The MRD load was monitored by immunoglobulin/T-cell receptor rearrangements and assessed as negative [complete MRD response (CMR)], positive non-quantifiable (MRDnq) and positive quantifiable (MRDq). MRDnq before the first and second consolidation blocks had a comparable negative effect on survival as MRDq. The 5-year overall survival for CMR, MRDnq and MRDq at week 11 was 74 center dot 0%, 42 center dot 3% and 35 center dot 0% respectively. No central nervous system infiltration and MRD at week 11 were independent prognostic factors for survival on multivariate analysis (hazard ratios 0 center dot 32 and 2 center dot 25).

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