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Independent Prognostic Significance of Monosomy 17 and Impact of Karyotype Complexity in Monosomal Karyotype/Complex Karyotype Acute Myeloid Leukemia: Results from Four ECOG-ACRIN Prospective Therapeutic Trials.


ABSTRACT: The presence of a monosomal karyotype (MK+) and/or a complex karyotype (CK+) identifies subcategories of AML with poor prognosis. The prognostic significance of the most common monosomies (monosomy 5, monosomy 7, and monosomy 17) within MK+/CK+AML is not well defined. We analyzed data from 1,592 AML patients age 17-93 years enrolled on ECOG-ACRIN therapeutic trials. The majority of MK+ patients (182/195; 93%) were MK+/CK+ with 87% (158/182) having ?5 clonal abnormalities (CK?5). MK+ patients with karyotype complexity ?4 had a median overall survival (OS) of 0.4y compared to 1.0y for MK- with complexity ?4 (p<0.001), whereas no OS difference was seen in MK+vs. MK- patients with CK?5 (p=0.82). Monosomy 5 (93%; 50/54) typically occurred within a highly complex karyotype and had no impact on OS (0.4y; p=0.95). Monosomy 7 demonstrated no impact on OS in patients with CK?5 (p=0.39) or CK?4 (p=0.44). Monosomy 17 appeared in 43% (68/158) of CK?5 patients and demonstrated statistically significant worse OS (0.4y) compared to CK?5 patients without monosomy 17 (0.5y; p=0.012). Our data suggest that the prognostic impact of MK+is limited to those with less complex karyotypes and that monosomy 17 may independently predict for worse survival in patients with AML.

SUBMITTER: Strickland SA 

PROVIDER: S-EPMC5573653 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Independent Prognostic Significance of Monosomy 17 and Impact of Karyotype Complexity in Monosomal Karyotype/Complex Karyotype Acute Myeloid Leukemia: Results from Four ECOG-ACRIN Prospective Therapeutic Trials.

Strickland Stephen A SA   Sun Zhuoxin Z   Ketterling Rhett P RP   Cherry Athena M AM   Cripe Larry D LD   Dewald Gordon G   Fernandez Hugo F HF   Hicks Gary A GA   Higgins Rodney R RR   Lazarus Hillard M HM   Litzow Mark R MR   Luger Selina M SM   Paietta Elisabeth M EM   Rowe Jacob M JM   Vance Gail H GH   Wiernik Peter P   Wiktor Anne E AE   Zhang Yanming Y   Tallman Martin S MS  

Leukemia research 20170512


The presence of a monosomal karyotype (MK+) and/or a complex karyotype (CK+) identifies subcategories of AML with poor prognosis. The prognostic significance of the most common monosomies (monosomy 5, monosomy 7, and monosomy 17) within MK+/CK+AML is not well defined. We analyzed data from 1,592 AML patients age 17-93 years enrolled on ECOG-ACRIN therapeutic trials. The majority of MK+ patients (182/195; 93%) were MK+/CK+ with 87% (158/182) having ≥5 clonal abnormalities (CK≥5). MK+ patients wit  ...[more]

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