Taking advantage of the largest consecutive series of patients routinely screened for TKI-resistant mutations by NGS, we here provide a catalog of the most frequent CMs arising in Ph+ leukemias. Our real-life data show that CMs are extremely uncommon in CP-CML, although in 19 patients acquisition of a CM marked the progression to advanced phase. The prevalence of CMs increased to approximately 30% in TKI-resistant AP/BP-CML and Ph+ ALL – consistently with the much greater genetic instability of these settings.
BCR}-{ABL}1 compound mutants: prevalence, spectrum and correlation with tyrosine kinase inhibitor resistance in a consecutive series of Philadelphia chromosome-positive leukemia patients analyzed by {NGS
Massimiliano Bonifacio;Mariella D'Adda;
2020-01-01
Abstract
Taking advantage of the largest consecutive series of patients routinely screened for TKI-resistant mutations by NGS, we here provide a catalog of the most frequent CMs arising in Ph+ leukemias. Our real-life data show that CMs are extremely uncommon in CP-CML, although in 19 patients acquisition of a CM marked the progression to advanced phase. The prevalence of CMs increased to approximately 30% in TKI-resistant AP/BP-CML and Ph+ ALL – consistently with the much greater genetic instability of these settings.
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