Predictive value of early molecular response in patients with chronic myeloid leukemia treated with first-line dasatinib

被引:105
作者
Marin, David [1 ]
Hedgley, Corinne [2 ]
Clark, Richard E. [3 ]
Apperley, Jane [1 ]
Foroni, Letizia [1 ]
Milojkovic, Dragana [1 ]
Pocock, Christopher [4 ]
Goldman, John M. [1 ]
O'Brien, Stephen [2 ]
机构
[1] Univ London Imperial Coll Sci Technol & Med, Hammersmith Hosp, Dept Haematol, London W12 0NN, England
[2] Newcastle Univ, No Inst Canc Res, Dept Haematol, Newcastle Upon Tyne, Tyne & Wear, England
[3] Royal Liverpool Univ Hosp, Dept Haematol, Liverpool, Merseyside, England
[4] E Kent Hosp Natl Hlth Serv Trust, Dept Haematol, Canterbury, Kent, England
关键词
TYROSINE KINASE INHIBITORS; BCR-ABL; CYTOGENETIC RESPONSE; TRANSCRIPT LEVELS; IMATINIB; INTERFERON; THERAPY; FAILURE;
D O I
10.1182/blood-2012-01-407486
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Dasatinib is effective therapy for newly diagnosed patients with chronic myeloid leukemia, but not all patients respond well. We analyzed the outcome of patients treated with dasatinib as first-line therapy to identify patients who are more likely to fare poorly. The 8.6% of patients who at 3 months had a BCR-ABL1/ABL1 ratio > 10% had a significantly worse 2-year cumulative incidence of complete cytogenetic response (58.8% vs 96.6%, P < .001) and molecular responses than the remaining patients with a lower transcript levels. The predictive value of the 3-month transcript level could be improved using the dasatinib-specific transcript level cut-offs, namely, 2.2%, 0.92%, and 0.57% for complete cytogenetic response, 3 log and 4.5 log reductions in the transcript level, respectively. The study was registered at www.clinicaltrials.gov as #NCT01460693. (Blood. 2012;120(2):291-294)
引用
收藏
页码:291 / 294
页数:4
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