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Type: Journal article
Title: Laying the foundation for genomically-based risk assessment in chronic myeloid leukemia
Author: Branford, S.
Kim, D.D.H.
Apperley, J.F.
Eide, C.A.
Mustjoki, S.
Ong, S.T.
Nteliopoulos, G.
Ernst, T.
Chuah, C.
Gambacorti-Passerini, C.
Mauro, M.J.
Druker, B.J.
Kim, D.-.W.
Mahon, F.-.X.
Cortes, J.
Radich, J.P.
Hochhaus, A.
Hughes, T.P.
International CML Foundation Genomics Alliance
Citation: Leukemia, 2019; 33(8):1835-1850
Publisher: Springer Nature
Issue Date: 2019
ISSN: 0887-6924
Statement of
Susan Branford, Dennis Dong Hwan Kim, Jane F. Apperley, Christopher A. Eide, Satu Mustjoki, S. Tiong Ong ... et al. (on behalf of the International CML Foundation Genomics Alliance)
Abstract: Outcomes for patients with chronic myeloid leukemia (CML) have substantially improved due to advances in drug development and rational treatment intervention strategies. Despite these significant advances there are still unanswered questions on patient management regarding how to more reliably predict treatment failure at the time of diagnosis and how to select frontline tyrosine kinase inhibitor (TKI) therapy for optimal outcome. The BCR-ABL1 transcript level at diagnosis has no established prognostic impact and cannot guide frontline TKI selection. BCR-ABL1 mutations are detected in ~50% of TKI resistant patients but are rarely responsible for primary resistance. Other resistance mechanisms are largely uncharacterized and there are no other routine molecular testing strategies to facilitate the evaluation and further stratification of TKI resistance. Advances in next-generation sequencing technology has aided the management of a growing number of other malignancies, enabling the incorporation of somatic mutation profiles in diagnosis, classification, and prognostication. A largely unexplored area in CML research is whether expanded genomic analysis at diagnosis, resistance, and disease transformation can enhance patient management decisions, as has occurred for other cancers. The aim of this article is to review publications that reported mutated cancer-associated genes in CML patients at various disease phases. We discuss the frequency and type of such variants at initial diagnosis and at the time of treatment failure and transformation. Current limitations in the evaluation of mutants and recommendations for future reporting are outlined. The collective evaluation of mutational studies over more than a decade suggests a limited set of cancer-associated genes are indeed recurrently mutated in CML and some at a relatively high frequency. Genomic studies have the potential to lay the foundation for improved diagnostic risk classification according to clinical and genomic risk, and to enable more precise early identification of TKI resistance.
Keywords: International CML Foundation Genomics Alliance
Rights: © The Author(s), under exclusive licence to Springer Nature Limited 2019
RMID: 0030119202
DOI: 10.1038/s41375-019-0512-y
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Appears in Collections:Medicine publications

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