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|Title:||Early molecular and cytogenetic response is predictive for long-term progression-free and overall survival in chronic myeloid leukemia (CML)|
|Citation:||Leukemia, 2012; 26(9):2096-2102|
|Publisher:||Nature Publishing Group|
|B. Hanfstein... S. Branford... et al.|
|Abstract:||In the face of competing first-line treatment options for CML, early prediction of prognosis on imatinib is desirable to assure favorable survival or otherwise consider the use of a second-generation tyrosine kinase inhibitor (TKI). A total of 1303 newly diagnosed imatinib-treated patients (pts) were investigated to correlate molecular and cytogenetic response at 3 and 6 months with progression-free and overall survival (PFS, OS). The persistence of BCR-ABL transcript levels > 10% according to the international scale (BCR-ABLIS) at 3 months separated a high-risk group (28% of pts; 5-year OS: 87%) from a group with >1–10% BCR-ABLIS (41% of pts; 5-year OS: 94%; P=0.012) and from a group with <1% BCR-ABLIS (31% of pts; 5-year OS: 97%; P=0.004). Cytogenetics identified high-risk pts by >35% Philadelphia chromosome-positive metaphases (Phþ, 27% of pts; 5-year OS: 87%) compared with <35% Phþ (73% of pts; 5-year OS: 95%; P=0.036). At 6 months, >1% BCR-ABLIS (37% of pts; 5-year OS: 89%) was associated with inferior survival compared with <1% (63% of pts; 5-year OS: 97%; P<0.001) and correspondingly >0% Phþ (34% of pts; 5-year OS: 91%) compared with 0% Phþ (66% of pts; 5-year OS: 97%; P=0.015). Treatment optimization is recommended for pts missing these landmarks.|
|Keywords:||Chronic myeloid leukemia|
|Rights:||© 2012 Macmillan Publishers Limited All rights reserved.|
|Appears in Collections:||Aurora harvest 5|
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