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02-01-2024 | Mantle Cell Lymphoma | Original Article

Genetic and prognostic analysis of blastoid and pleomorphic mantle cell lymphoma: a multicenter analysis in China

Authors: Ping Yang, Shuo-Zi Liu, Chun-Yuan Li, Wei-Long Zhang, Jing Wang, Ying-Tong Chen, Sen Li, Cui-Ling Liu, Hui Liu, Qing-Qing Cai, Wei Zhang, Hong-Mei Jing

Published in: Annals of Hematology

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Abstract

Blastoid or pleomorphic mantle cell lymphoma (B/P-MCL) is characterized by high invasiveness and unfavorable outcomes, which is still a challenge for treating MCL. This retrospective study was performed to comprehensively analyze the clinical, genomic characteristics and treatment options of patients with B/PMCL from multicenter in China. Data were obtained from 693 patients with B/PMCL from three centers in China between April 1999 and December 2019. Seventy-four patients with BMCL (n = 43) or PMCL (n = 31) were included in the analysis. The median age of the cohort was 60.0 years with a male-to-female ratio of 2.89:1. The 3-year progression-free survival (PFS) and overall survival (OS) rates were 44.1% and 46.0%, respectively. Mutations of TP53, ATM, NOTCH1, NOTCH2, NSD2, SMARCA4, CREBBP, KMT2D, FAT1, and TRAF2 genes were the most common genetic changes in B/P-MCL. Progression of disease within 12 months (POD12) could independently predict the poor prognosis of patients with blastoid and pleomorphic variants. Patients with POD12 carried a distinct mutation profile (TP53, SMARCA4, NSD2, NOTCH2, KMT2D, PTPRD, CREBBP, and CDKN2A mutations) compared to patients with non-POD12. First-line high-dose cytosine arabinoside exposure obtained survival benefits in these populations, and BTKi combination therapy as the front-line treatment had somewhat improvement in survival with no significant difference in the statistic. In conclusion, B/P-MCL had inferior outcomes and a distinct genomic profile. Patients with POD12 displayed a distinct mutation profile and a poor prognosis. New therapeutic drugs and clinical trials for B/P-MCL need to be further explored.
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Metadata
Title
Genetic and prognostic analysis of blastoid and pleomorphic mantle cell lymphoma: a multicenter analysis in China
Authors
Ping Yang
Shuo-Zi Liu
Chun-Yuan Li
Wei-Long Zhang
Jing Wang
Ying-Tong Chen
Sen Li
Cui-Ling Liu
Hui Liu
Qing-Qing Cai
Wei Zhang
Hong-Mei Jing
Publication date
02-01-2024
Publisher
Springer Berlin Heidelberg
Published in
Annals of Hematology
Print ISSN: 0939-5555
Electronic ISSN: 1432-0584
DOI
https://doi.org/10.1007/s00277-023-05597-5
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