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Supplemental Figure S1 from Genomic Profiling to Contextualize the Results of Intervention for Smoldering Multiple Myeloma

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posted on 2024-10-01, 07:20 authored by Dickran Kazandjian, Benjamin Diamond, Marios Papadimitriou, Elizabeth Hill, Romanos Sklavenitis-Pistofidis, Bachisio Ziccheddu, Patrick Blaney, Monika Chojnacka, Michael Durante, Kylee Maclachlan, Ryan Young, Saad Usmani, Faith Davies, Gad Getz, Irene Ghobrial, Neha Korde, Gareth Morgan, Francesco Maura, Ola Landgren

Supplemental Figure S1: Sample Overview.

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National Cancer Institute (NCI)

United States Department of Health and Human Services

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ARTICLE ABSTRACT

Early intervention for high-risk smoldering multiple myeloma (HR-SMM) achieves deep and prolonged responses. It is unclear if beneficial outcomes are due to the treatment of less complex, susceptible disease or inaccuracy in clinical definition of cases entered. In this study, we interrogated whole-genome and whole-exome sequencing for 54 patients across two HR-SMM interventional studies (NCT01572480 and NCT02279394). We reveal that the genomic landscape of treated HR-SMM is generally simple as compared with newly diagnosed multiple myeloma counterparts with less inactivation of tumor suppressor genes, RAS pathway mutations, MYC disruption, and APOBEC contribution. The absence of these events parallels that of indolent precursor conditions, possibly explaining overall excellent outcomes. However, some patients harboring genomic complexity fail to sustain response and experience resistant, progressive disease. Overall, clinical risk scores do not effectively discriminate between genomically indolent and aggressive disease. Genomic profiling can contextualize the advantage of early intervention in SMM and guide personalization of therapy.See related commentary by Weinhold and Rasche, p. 4263

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    Clinical Cancer Research

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    Keywords

    Gene TechnologiesMutation detection methodsGenome BiologyHematological CancersMyelomasTranslational Research

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