Outcomes of patients with diffuse large B-cell and high-grade B-cell lymphomas with synchronous CNS and systemic involvement at diagnosis treated with high-dose methotrexate and R-CHOP: a single-center retrospective study

Author:

Fleming Megan1,Huang Ying2,Dotson Emily1,Bond David A.2,Reneau John2,Epperla Narendranath2ORCID,Alinari Lapo2,Brammer Jonathan2,Christian Beth2,Baiocchi Robert A.2,Maddocks Kami2,Sawalha Yazeed3ORCID

Affiliation:

1. Department of Pharmacy, The Ohio State University, Columbus, OH, USA

2. Division of Hematology, The Ohio State University, Columbus, OH, USA

3. Division of Hematology, Department of Internal Medicine, The Ohio State University Comprehensive Cancer Center, The Ohio State University, 1140B Lincoln Tower, 1800 Cannon Dr, Columbus, OH 43210, USA

Abstract

Background: The optimal treatment of patients with systemic diffuse large B-cell (DLBCL) or high-grade B-cell (HGBL) lymphomas with synchronous central nervous system (CNS) involvement at diagnosis is not well defined. High-dose methotrexate administered concurrently with R-CHOP (RM-CHOP) is a commonly used regimen, but data on outcomes achieved with this regimen are limited. Objective: To report our experience with RM-CHOP in patients with systemic DLBCL or HGBL with synchronous CNS involvement at diagnosis. Design: A single-center retrospective analysis. Methods: We identified consecutive patients with systemic DLBCL or HGBL with synchronous CNS involvement at diagnosis who were treated with RM-CHOP from January 2012 to January 2021. Results: Fifty patients were included with a median age of 62 years; 82% had DLBCL ( n = 41) and 18% had HGBL ( n = 9). Treatment with RM-CHOP was followed by consolidative autologous hematopoietic cell transplantation in 14 patients (28%). The complete response (CR) rate following RM-CHOP was 62%. With a median follow-up of 40 months, the median progression-free (PFS) and overall (OS) survivals were 16 and 58 months, and the 2-year PFS and OS were 41% and 57%, respectively. The 2-year cumulative incidence of CNS progression/relapse was 29%. Outcomes were particularly poor in HGBL, with median PFS and OS of 6 and 7 months, compared with median PFS and OS of 22 months and not reached in DLBCL, respectively. The outcomes of patients with relapsed/progressive disease were poor, with only 63% of patients receiving subsequent treatments and only 21% achieving CR to next subsequent treatment. Most patients (58%) with disease relapse/progression had CNS involvement which was associated with very poor outcomes (median OS of 2 months). Conclusion: CNS involvement in aggressive B-cell non-Hodgkin lymphoma at diagnosis dictates clinical outcomes and requires more effective treatment options.

Funder

national center for advancing translational sciences

Publisher

SAGE Publications

Subject

Hematology

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