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Open Access Green as soon as Postprint is submitted to ZB.
NPM1 but not FLT3-ITD mutations predict early blast cell clearance and CR rate in patients with normal karyotype AML (NK-AML) or high-risk myelodysplastic syndrome (MDS).
Blood 113, 5250-5253 (2009)
Mutations in the NPM1 gene represent the most frequent genetic alterations in patients with acute myeloid leukemia (AML) and are associated with a favorable outcome. In 690 normal karyotype (NK) AML patients the complete remission rates (CRs) and the percentage of patients with adequate in vivo blast cell reduction 1 week after the end of the first induction cycle were significantly higher in NPM1(+) (75% and 80%, respectively) than in NPM1(-) (57% and 57%, respectively) patients, but were unaffected by the FLT3-ITD status. Multivariate analyses revealed the presence of a NPM1 mutation as an independent positive prognostic factor for the achievement of an adequate day-16 blast clearance and a CR. In conclusion, NPM1(+) blast cells show a high in vivo sensitivity toward induction chemotherapy irrespective of the FLT3-ITD mutation status. These findings provide insight into the pathophysiology and help to understand the favorable clinical outcome of patients with NPM1(+) AML.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
acute myeloid-leukemia; acute myelogenous leukemia; younger adults; prognostic relevance; favorable prognosis; normal cytogenetics; nucleophosmin npm1; induction therapy; gene-mutations; kappa-b
ISSN (print) / ISBN
0006-4971
e-ISSN
1528-0020
Journal
Blood
Quellenangaben
Volume: 113,
Issue: 21,
Pages: 5250-5253
Publisher
American Society of Hematology
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
CCG Pathogenesis of Acute Myeloid Leukemia (KKG-KPL)