Journal of Clinical and Experimental Hematopathology
Online ISSN : 1880-9952
Print ISSN : 1346-4280
ISSN-L : 1346-4280
Original Article
Real-world efficacy of DA-EPOCH-R/HD-MTX regimen in CD5-positive diffuse large B cell lymphoma: a single-institute analysis
Kohtaro Toyama Keita NakayamaSachie TerasakiIkuko MatsumuraShuhei KanayaHiromasa IinoHiroyuki NoguchiKenichi TaharaTakatomo YoshidaAkio Saito
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ジャーナル オープンアクセス

2023 年 63 巻 1 号 p. 19-24

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抄録

CD5-positive diffuse large B cell lymphoma (CD5+ DLBCL) is a high-risk lymphoma type. Recently, the PEARL5 (a Phase II trial of DA-EPOCH and Rituximab with HD-MTX therapy for newly diagnosed DLBCL with CD5 expression) study demonstrated the efficacy of the DA-EPOCH-R (cyclophosphamide, etoposide, doxorubicin, vincristine, prednisone, and rituximab)/HD-MTX (high-dose methotrexate) regimen for CD5+ DLBCL. In this report, we revealed the impact of the DA-EPOCH-R/HD-MTX regimen on the clinical course of CD5+ DLBCL in the real-world. We retrospectively compared CD5+ and CD5− DLBCL patients diagnosed from January 2017 to December 2020 and analyzed their clinicopathological characteristics, treatment, and prognosis. There was no difference in age, sex, clinical stage, and cell of origin; however, the CD5-positive group had higher lactate dehydrogenase levels and a worse performance status than the CD5-negative group (p=0.00121 and p=0.0378, respectively). International prognostic index (IPI) was worse in the CD5-positive group than in the CD5-negative group (p=0.0498), but NCCN-IPI (National Comprehensive Cancer Network-IPI) was no different between the two groups. The CD5-positive group was more frequently treated with the DA-EPOCH-R/HD-MTX regimen than the CD5-negative group (p =0.001857). Complete remission rate and 1-year overall survival did not differ between the CD5-positive and -negative groups (90.0% vs 81.4%, p=0.853; 81.8% vs 76.9%, p=0.433). We conclude that the DA-EPOCH-R/HD-MTX regimen is effective for CD5+ DLBCL in this single institute analysis.

著者関連情報
© 2023 by The Japanese Society for Lymphoreticular Tissue Research

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
https://creativecommons.org/licenses/by-nc-sa/4.0/deed.ja
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