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Audil HY, Kosydar SR, Larson DP, Parikh SA. Richter Transformation of Chronic Lymphocytic Leukemia-Are We Making Progress? Curr Hematol Malig Rep 2023; 18:144-157. [PMID: 37294394 DOI: 10.1007/s11899-023-00701-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/22/2023] [Indexed: 06/10/2023]
Abstract
PURPOSE OF REVIEW The treatment paradigm of chronic lymphocytic leukemia (CLL) has dramatically changed with the advent of novel targeted agents over the past decade. Richter transformation (RT), or the development of an aggressive lymphoma from a background of CLL, is a well-recognized complication of CLL and carries significantly poor clinical outcomes. Here, we provide an update on current diagnostics, prognostication, and contemporary treatment of RT. RECENT FINDINGS Several genetic, biologic, and laboratory markers have been proposed as candidate risk factors for the development of RT. Although a diagnosis of RT is typically suspected based on clinical and laboratory findings, tissue biopsy is essential for histopathologic confirmation of diagnosis. The standard of care for RT treatment at this time remains chemoimmunotherapy with the goal of proceeding to allogeneic stem cell transplantation in eligible patients. Several newer treatment modalities are being studied for use in the management of RT, including small molecules, immunotherapy, bispecific antibodies, and chimeric antigen receptor T-cell (CAR-T) therapy. The management of patients with RT remains a challenge. Ongoing trials show enormous promise for newer classes of therapy in RT, with the hope being that these agents can synergize, and perhaps supersede, the current standard of care in the near future.
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MESH Headings
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/diagnosis
- Leukemia, Lymphocytic, Chronic, B-Cell/etiology
- Leukemia, Lymphocytic, Chronic, B-Cell/therapy
- Lymphoma, Large B-Cell, Diffuse/pathology
- Immunotherapy
- Biopsy
- Cell Transformation, Neoplastic/genetics
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Affiliation(s)
- Hadiyah Y Audil
- Division of Hematology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Samuel R Kosydar
- Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Daniel P Larson
- Division of Hematopathology, Mayo Clinic, Rochester, MN, USA
| | - Sameer A Parikh
- Division of Hematology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
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El Hussein S, Medeiros LJ, Lyapichev KA, Fang H, Jelloul FZ, Fiskus W, Chen J, Wei P, Schlette E, Xu J, Li S, Kanagal-Shamanna R, Yang H, Tang Z, Thakral B, Loghavi S, Jain N, Thompson PA, Ferrajoli A, Wierda WG, Jabbour E, Patel KP, Dabaja BS, Bhalla KN, Khoury JD. Immunophenotypic and genomic landscape of Richter transformation diffuse large B-cell lymphoma. Pathology 2023; 55:514-524. [PMID: 36933995 DOI: 10.1016/j.pathol.2022.12.354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 12/04/2022] [Accepted: 12/14/2022] [Indexed: 02/27/2023]
Abstract
Integrated clinicopathological and molecular analyses of Richter transformation of diffuse large B-cell lymphoma subtype (RT-DLBCL) cases remain limited. This study group included 142 patients with RT-DLBCL. Morphological evaluation and immunophenotyping, using immunohistochemistry and/or multicolour flow cytometry, were performed. The results of conventional karyotyping, fluorescence in situ hybridisation analysis and mutation profiling performed using next generation sequencing were reviewed. Patients included 91 (64.1%) men and 51 (35.9%) women with a median age of 65.4 years (range 25.4-84.9 years) at the time of RT-DLBCL diagnosis. Patients had CLL for a median of 49.5 months (range 0-330 months) before onset of RT-DLBCL. Most cases (97.2%) of RT-DLBCL had immunoblastic (IB) morphology, the remainder had a high grade morphology. The most commonly expressed markers included: CD19 (100%), PAX5 (100%), BCL2 (97.5%), LEF1 (94.7%), CD22 (90.2%), CD5 (88.6%), CD20 (85.7%), CD38 (83.5%), MUM1 (83.3%), CD23 (77%) and MYC (46.3%). Most (51/65, 78.4%) cases had a non-germinal centre B-cell immunophenotype. MYC rearrangement was detected in 9/47 (19.1%) cases, BCL2 rearrangement was detected in 5/22 (22.7%) cases, and BCL6 rearrangement was detected in 2/15 (13.3%) cases. In comparison to CLL, RT-DLBCL had higher numbers of alterations involving chromosomes 6, 17, 21, and 22. The most common mutations detected in RT-DLBCL involved TP53 (9/14, 64.3%), NOTCH1 (4/14, 28.6%) and ATM (3/14, 21.4%). Among RT-DLBCL cases with mutant TP53, 5/8 (62.5%) had TP53 copy number loss, and among those, such loss was detected in the CLL phase of the disease in 4/8 (50%) cases. There was no significant difference in overall survival (OS) between patients with germinal centre B-cell (GCB) and non-GCB RT-DLBCL. Only CD5 expression correlated significantly with OS (HR=2.732; 95% CI 1.397-5.345; p=0.0374). RT-DLBCL has distinctive morphological and immunophenotypic features, characterised by IB morphology and common expression of CD5, MUM1 and LEF1. Cell-of-origin does not seem to have prognostic implications in RT-DLBCL.
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Affiliation(s)
- Siba El Hussein
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of Pathology, University of Rochester Medical Center, Rochester, NY, USA.
| | - L Jeffrey Medeiros
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Kirill A Lyapichev
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of Pathology, The University of Texas Medical Branch, Galveston, TX, USA
| | - Hong Fang
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Fatima Zahra Jelloul
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Warren Fiskus
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jiansong Chen
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Peng Wei
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ellen Schlette
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jie Xu
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Shaoying Li
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Rashmi Kanagal-Shamanna
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Hong Yang
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Zhenya Tang
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Beenu Thakral
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Sanam Loghavi
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Nitin Jain
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Philip A Thompson
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Alessandra Ferrajoli
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - William G Wierda
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Elias Jabbour
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Keyur P Patel
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Bouthaina S Dabaja
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Kapil N Bhalla
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Joseph D Khoury
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of Pathology, The University of Nebraska Medical Center, Omaha, NE, USA.
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García-Barchino MJ, Sarasquete ME, Panizo C, Morscio J, Martinez A, Alcoceba M, Fresquet V, Gonzalez-Farre B, Paiva B, Young KH, Robles EF, Roa S, Celay J, Larrayoz M, Rossi D, Gaidano G, Montes-Moreno S, Piris MA, Balanzategui A, Jimenez C, Rodriguez I, Calasanz MJ, Larrayoz MJ, Segura V, Garcia-Muñoz R, Rabasa MP, Yi S, Li J, Zhang M, Xu-Monette ZY, Puig-Moron N, Orfao A, Böttcher S, Hernandez-Rivas JM, Miguel JS, Prosper F, Tousseyn T, Sagaert X, Gonzalez M, Martinez-Climent JA. Richter transformation driven by Epstein-Barr virus reactivation during therapy-related immunosuppression in chronic lymphocytic leukaemia. J Pathol 2018; 245:61-73. [PMID: 29464716 DOI: 10.1002/path.5060] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 01/19/2018] [Accepted: 02/15/2018] [Indexed: 12/22/2022]
Abstract
The increased risk of Richter transformation (RT) in patients with chronic lymphocytic leukaemia (CLL) due to Epstein-Barr virus (EBV) reactivation during immunosuppressive therapy with fludarabine other targeted agents remains controversial. Among 31 RT cases classified as diffuse large B-cell lymphoma (DLBCL), seven (23%) showed EBV expression. In contrast to EBV- tumours, EBV+ DLBCLs derived predominantly from IGVH-hypermutated CLL, and they also showed CLL-unrelated IGVH sequences more frequently. Intriguingly, despite having different cellular origins, clonally related and unrelated EBV+ DLBCLs shared a previous history of immunosuppressive chemo-immunotherapy, a non-germinal centre DLBCL phenotype, EBV latency programme type II or III, and very short survival. These data suggested that EBV reactivation during therapy-related immunosuppression can transform either CLL cells or non-tumoural B lymphocytes into EBV+ DLBCL. To investigate this hypothesis, xenogeneic transplantation of blood cells from 31 patients with CLL and monoclonal B-cell lymphocytosis (MBL) was performed in Rag2-/- IL2γc-/- mice. Remarkably, the recipients' impaired immunosurveillance favoured the spontaneous outgrowth of EBV+ B-cell clones from 95% of CLL and 64% of MBL patients samples, but not from healthy donors. Eventually, these cells generated monoclonal tumours (mostly CLL-unrelated but also CLL-related), recapitulating the principal features of EBV+ DLBCL in patients. Accordingly, clonally related and unrelated EBV+ DLBCL xenografts showed indistinguishable cellular, virological and molecular features, and synergistically responded to combined inhibition of EBV replication with ganciclovir and B-cell receptor signalling with ibrutinib in vivo. Our study underscores the risk of RT driven by EBV in CLL patients receiving immunosuppressive therapies, and provides the scientific rationale for testing ganciclovir and ibrutinib in EBV+ DLBCL. Copyright © 2018 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Maria J García-Barchino
- Division of Haematological Oncology, Centre for Applied Medical Research (CIMA), CIBERONC, University of Navarra, Pamplona, Spain
| | - Maria E Sarasquete
- Department of Haematology, University Hospital, and Institute of Molecular and Cellular Biology of Cancer, CIBERONC, University of Salamanca, Salamanca, Spain
| | - Carlos Panizo
- Department of Haematology, Clinica Universidad de Navarra, CIBERONC, University of Navarra, Pamplona, Spain
| | - Julie Morscio
- KU Leuven, Translational Cell and Tissue Research, Department of Pathology, UZ Leuven, Leuven, Belgium
| | - Antonio Martinez
- Haematopathology Section, Hospital Clinic, Institut d'Investigacions Biomediques August Pi I Sunyer, University of Barcelona, Barcelona, Spain
| | - Miguel Alcoceba
- Department of Haematology, University Hospital, and Institute of Molecular and Cellular Biology of Cancer, CIBERONC, University of Salamanca, Salamanca, Spain
| | - Vicente Fresquet
- Division of Haematological Oncology, Centre for Applied Medical Research (CIMA), CIBERONC, University of Navarra, Pamplona, Spain
| | - Blanca Gonzalez-Farre
- Haematopathology Section, Hospital Clinic, Institut d'Investigacions Biomediques August Pi I Sunyer, University of Barcelona, Barcelona, Spain
| | - Bruno Paiva
- Division of Haematological Oncology, Centre for Applied Medical Research (CIMA), CIBERONC, University of Navarra, Pamplona, Spain
| | - Ken H Young
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Eloy F Robles
- Division of Haematological Oncology, Centre for Applied Medical Research (CIMA), CIBERONC, University of Navarra, Pamplona, Spain
| | - Sergio Roa
- Division of Haematological Oncology, Centre for Applied Medical Research (CIMA), CIBERONC, University of Navarra, Pamplona, Spain
| | - Jon Celay
- Division of Haematological Oncology, Centre for Applied Medical Research (CIMA), CIBERONC, University of Navarra, Pamplona, Spain
| | - Marta Larrayoz
- Division of Haematological Oncology, Centre for Applied Medical Research (CIMA), CIBERONC, University of Navarra, Pamplona, Spain
| | - Davide Rossi
- Division of Haematology, Department of Translational Medicine, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
| | - Gianluca Gaidano
- Division of Haematology, Department of Translational Medicine, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
| | - Santiago Montes-Moreno
- Department of Pathology, Hospital Universitario and Instituto de Formacion e Investigacion Marques de Valdecilla, Santander, Spain
| | - Miguel A Piris
- Department of Pathology, Hospital Universitario and Instituto de Formacion e Investigacion Marques de Valdecilla, Santander, Spain
| | - Ana Balanzategui
- Department of Haematology, University Hospital, and Institute of Molecular and Cellular Biology of Cancer, CIBERONC, University of Salamanca, Salamanca, Spain
| | - Cristina Jimenez
- Department of Haematology, University Hospital, and Institute of Molecular and Cellular Biology of Cancer, CIBERONC, University of Salamanca, Salamanca, Spain
| | - Idoia Rodriguez
- Division of Haematological Oncology, Centre for Applied Medical Research (CIMA), CIBERONC, University of Navarra, Pamplona, Spain
| | - Maria J Calasanz
- Division of Haematological Oncology, Centre for Applied Medical Research (CIMA), CIBERONC, University of Navarra, Pamplona, Spain.,Department of Genetics, School of Medicine, University of Navarra, Pamplona, Spain
| | - Maria J Larrayoz
- Department of Genetics, School of Medicine, University of Navarra, Pamplona, Spain
| | - Victor Segura
- Bio-informatics Unit, Department of Genomics and Proteomics, Centre for Applied Medical Research, University of Navarra, Pamplona, Spain
| | | | - Maria P Rabasa
- Department of Haematology, Hospital San Pedro, Logroño, Spain
| | - Shuhua Yi
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jianyong Li
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mingzhi Zhang
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Zijun Y Xu-Monette
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Noemi Puig-Moron
- Department of Haematology, University Hospital, and Institute of Molecular and Cellular Biology of Cancer, CIBERONC, University of Salamanca, Salamanca, Spain
| | - Alberto Orfao
- Cancer Research Centre, Institute for Biomedical Research of Salamanca and Department of Medicine and Cytometry Service, CIBERONC, University of Salamanca, Salamanca, Spain
| | - Sebastian Böttcher
- Medical Clinic II, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Jesus M Hernandez-Rivas
- Department of Haematology, University Hospital, and Institute of Molecular and Cellular Biology of Cancer, CIBERONC, University of Salamanca, Salamanca, Spain
| | - Jesus San Miguel
- Division of Haematological Oncology, Centre for Applied Medical Research (CIMA), CIBERONC, University of Navarra, Pamplona, Spain.,Department of Haematology, Clinica Universidad de Navarra, CIBERONC, University of Navarra, Pamplona, Spain
| | - Felipe Prosper
- Division of Haematological Oncology, Centre for Applied Medical Research (CIMA), CIBERONC, University of Navarra, Pamplona, Spain.,Department of Haematology, Clinica Universidad de Navarra, CIBERONC, University of Navarra, Pamplona, Spain
| | - Thomas Tousseyn
- KU Leuven, Translational Cell and Tissue Research, Department of Pathology, UZ Leuven, Leuven, Belgium
| | - Xavier Sagaert
- KU Leuven, Translational Cell and Tissue Research, Department of Pathology, UZ Leuven, Leuven, Belgium
| | - Marcos Gonzalez
- Department of Haematology, University Hospital, and Institute of Molecular and Cellular Biology of Cancer, CIBERONC, University of Salamanca, Salamanca, Spain
| | - Jose A Martinez-Climent
- Division of Haematological Oncology, Centre for Applied Medical Research (CIMA), CIBERONC, University of Navarra, Pamplona, Spain
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