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Lübke J, Metzgeroth G, Reiter A, Schwaab J. Approach to the patient with eosinophilia in the era of tyrosine kinase inhibitors and biologicals. Curr Hematol Malig Rep 2024:10.1007/s11899-024-00738-7. [PMID: 39037514 DOI: 10.1007/s11899-024-00738-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/02/2024] [Indexed: 07/23/2024]
Abstract
PURPOSE OF REVIEW In this review, we aim to explore the optimal approach to patients presenting with eosinophilia, considering recent advances in diagnostic and therapeutic strategies. Specifically, we focus on the integration of novel therapies into clinical practice to improve patient outcomes. RECENT FINDINGS Advanced insights into the clinical and genetic features of eosinophilic disorders have prompted revisions in diagnostic criteria by the World Health Organization classification (WHO-HAEM5) and the International Consensus Classification (ICC). These changes reflect a growing understanding of disease pathogenesis and the development of targeted treatment options. The therapeutic landscape now encompasses a range of established and novel therapies. For reactive conditions, drugs targeting the eosinophilopoiesis, such as those aimed at interleukin-5 or its receptor, have demonstrated significant potential in decreasing blood eosinophil levels and minimizing disease flare-ups and relapse. These therapies have the potential to mitigate the side effects commonly associated with prolonged use of oral corticosteroids or immunosuppressants. Myeloid and lymphoid neoplasms with eosinophilia and tyrosine kinase (TK) gene fusions are managed by various TK inhibitors with variable efficacy. Diagnosis and treatment rely on a multidisciplinary approach. By incorporating novel treatment options into clinical practice, physicians across different disciplines involved in the management of eosinophilic disorders can offer more personalized and effective care to patients. However, challenges remain in accurately diagnosing and risk-stratifying patients, as well as in navigating the complexities of treatment selection.
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Affiliation(s)
- Johannes Lübke
- Department of Hematology and Oncology, University Hospital Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany
| | - Georgia Metzgeroth
- Department of Hematology and Oncology, University Hospital Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany
| | - Andreas Reiter
- Department of Hematology and Oncology, University Hospital Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany
| | - Juliana Schwaab
- Department of Hematology and Oncology, University Hospital Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany.
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Morales-Camacho RM, Caballero-Velázquez T, Borrero JJ, Bernal R, Prats-Martín C. Hematological Neoplasms with Eosinophilia. Cancers (Basel) 2024; 16:337. [PMID: 38254826 PMCID: PMC10814743 DOI: 10.3390/cancers16020337] [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: 11/30/2023] [Revised: 01/05/2024] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
Eosinophils in peripheral blood account for 0.3-5% of leukocytes, which is equivalent to 0.05-0.5 × 109/L. A count above 0.5 × 109/L is considered to indicate eosinophilia, while a count equal to or above 1.5 × 109/L is defined as hypereosinophilia. In bone marrow aspirate, eosinophilia is considered when eosinophils make up more than 6% of the total nuclear cells. In daily clinical practice, the most common causes of reactive eosinophilia are non-hematologic, whether they are non-neoplastic (allergic diseases, drugs, infections, or immunological diseases) or neoplastic (solid tumors). Eosinophilia that is associated with a hematological malignancy may be reactive or secondary to the production of eosinophilopoietic cytokines, and this is mainly seen in lymphoid neoplasms (Hodgkin lymphoma, mature T-cell neoplasms, lymphocytic variant of hypereosinophilic syndrome, and B-acute lymphoblastic leukemia/lymphoma). Eosinophilia that is associated with a hematological malignancy may also be neoplastic or primary, derived from the malignant clone, usually in myeloid neoplasms or with its origin in stem cells (myeloid/lymphoid neoplasms with eosinophilia and tyrosine kinase gene fusions, acute myeloid leukemia with core binding factor translocations, mastocytosis, myeloproliferative neoplasms, myelodysplastic/myeloproliferative neoplasms, and myelodysplastic neoplasms). There are no concrete data in standardized cytological and cytometric procedures that could predict whether eosinophilia is reactive or clonal. The verification is usually indirect, based on the categorization of the accompanying hematologic malignancy. This review focuses on the broad differential diagnosis of hematological malignancies with eosinophilia.
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Affiliation(s)
- Rosario M. Morales-Camacho
- Department of Hematology, Virgen del Rocío University Hospital, Seville Biomedicine Institute (IBiS/CSIC), University of Seville, 41013 Seville, Spain (R.B.)
| | - Teresa Caballero-Velázquez
- Department of Hematology, Virgen del Rocío University Hospital, Seville Biomedicine Institute (IBiS/CSIC), University of Seville, 41013 Seville, Spain (R.B.)
| | - Juan José Borrero
- Department of Pathology, Virgen del Rocío University Hospital, 41013 Seville, Spain;
| | - Ricardo Bernal
- Department of Hematology, Virgen del Rocío University Hospital, Seville Biomedicine Institute (IBiS/CSIC), University of Seville, 41013 Seville, Spain (R.B.)
| | - Concepción Prats-Martín
- Department of Hematology, Virgen del Rocío University Hospital, Seville Biomedicine Institute (IBiS/CSIC), University of Seville, 41013 Seville, Spain (R.B.)
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3
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Saft L, Kvasnicka HM, Boudova L, Gianelli U, Lazzi S, Rozman M. Myeloid/lymphoid neoplasms with eosinophilia and tyrosine kinase fusion genes: A workshop report with focus on novel entities and a literature review including paediatric cases. Histopathology 2023; 83:829-849. [PMID: 37551450 DOI: 10.1111/his.15021] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/04/2023] [Accepted: 07/18/2023] [Indexed: 08/09/2023]
Abstract
Myeloid/lymphoid neoplasms with eosinophilia (M/LN-eo) and tyrosine kinase (TK) gene fusions are a rare group of haematopoietic neoplasms with a broad range of clinical and morphological presentations. Paediatric cases have increasingly been recognised. Importantly, not all appear as a chronic myeloid neoplasm and eosinophilia is not always present. In addition, standard cytogenetic and molecular methods may not be sufficient to diagnose M/LN-eo due to cytogenetically cryptic aberrations. Therefore, additional evaluation with fluorescence in-situ hybridisation and other molecular genetic techniques (array-based comparative genomic hybridisation, RNA sequencing) are recommended for the identification of specific TK gene fusions. M/LN-eo with JAK2 and FLT3-rearrangements and ETV6::ABL1 fusion were recently added as a formal member to this category in the International Consensus Classification (ICC) and the 5th edition of the WHO classification (WHO-HAEM5). In addition, other less common defined genetic alterations involving TK genes have been described. This study is an update on M/LN-eo with TK gene fusions with focus on novel entities, as illustrated by cases submitted to the Bone Marrow Workshop, organised by the European Bone Marrow Working Group (EBMWG) within the frame of the 21st European Association for Haematopathology congress (EAHP-SH) in Florence 2022. A literature review was performed including paediatric cases of M/LN-eo with TK gene fusions.
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Affiliation(s)
- Leonie Saft
- Clinical Pathology and Cancer Diagnostics, Karolinska University Laboratory, Karolinska Institute, Stockholm, Sweden
| | - Hans M Kvasnicka
- Institute of Pathology and Molecular Pathology, Helios University Clinic Wuppertal, University of Witten/Herdecke, Wuppertal, Germany
| | - Ludmila Boudova
- Department of Pathology, Medical Faculty Hospital, Charles University, Pilsen, Czech Republic
| | - Umberto Gianelli
- Università degli Studi di Milano, SC Anatomia Patologica, ASST Santi Paolo e Carlo, University of Milan, Milan, Italy
| | - Stefano Lazzi
- Department of Biotechnology, Institute of Pathology, University of Siena, Siena, Italy
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Venable ER, Gagnon MF, Pitel BA, Palmer JM, Peterson JF, Baughn LB, Hoppman NL, Greipp PT, Ketterling RP, Patnaik MS, Kelemen K, Xu X. A TRIP11:: FLT3 gene fusion in a patient with myeloid/lymphoid neoplasm with eosinophilia and tyrosine kinase gene fusions: a case report and review of the literature. Cold Spring Harb Mol Case Stud 2023; 9:mcs.a006243. [PMID: 36627146 PMCID: PMC10111796 DOI: 10.1101/mcs.a006243] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 12/13/2022] [Indexed: 01/12/2023] Open
Abstract
Myeloid/lymphoid neoplasms with FLT3 gene fusions have recently been included among myeloid/lymphoid neoplasms with eosinophilia and tyrosine kinase gene fusions (MLN-TK) in the World Health Organization classification and International Consensus Classification. As this entity remains remarkably rare, its scope and phenotypic features are evolving. In this report, we describe a 33-yr-old male with MLN-TK. Conventional chromosome analysis revealed a t(13;14)(q12;q32). Further analysis with mate-pair sequencing (MPseq) confirmed a TRIP11::FLT3 gene fusion. A diagnosis of MLN-TK was rendered. To the best of our knowledge, we report the third case of MLN-TK with a TRIP11::FLT3 gene fusion. In contrast to previously described cases, our case exhibited distinctly mild clinical features and disease behavior, emphasizing the diverse spectrum of MLN-TK at primary presentation and variability in disease course. MLN-TK with FLT3 gene fusions are a genetically defined entity which may be targetable with tyrosine kinase inhibitors with anti-FLT3 activity. Accordingly, from diagnostic and therapeutic viewpoints, genetic testing for FLT3 rearrangements using fluorescence in situ hybridization (FISH) or sequencing-based assays should be pursued for patients with chronic eosinophilia.
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Affiliation(s)
- Elise R Venable
- Division of Anatomic Pathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Marie-France Gagnon
- Division of Laboratory Genetics and Genomics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Beth A Pitel
- Division of Laboratory Genetics and Genomics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Jeanne M Palmer
- Division of Hematology and Oncology, Department of Medicine, Mayo Clinic, Phoenix, Arizona 85054, USA
| | - Jess F Peterson
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Rochester, Minnesota 55905, USA
| | - Linda B Baughn
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Rochester, Minnesota 55905, USA
| | - Nicole L Hoppman
- Division of Laboratory Genetics and Genomics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Patricia T Greipp
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Rochester, Minnesota 55905, USA
| | - Rhett P Ketterling
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Rochester, Minnesota 55905, USA
| | - Mrinal S Patnaik
- Division of Hematology and Oncology, Department of Medicine Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Katalin Kelemen
- Division of Hematopathology, Department of Laboratory Medicine and Pathology; Mayo Clinic, Phoenix, Arizona 85054, USA
| | - Xinjie Xu
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Rochester, Minnesota 55905, USA;
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Tzankov A, Reichard KK, Hasserjian RP, Arber DA, Orazi A, Wang SA. Updates on eosinophilic disorders. Virchows Arch 2023; 482:85-97. [PMID: 36068374 DOI: 10.1007/s00428-022-03402-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/15/2022] [Accepted: 08/23/2022] [Indexed: 01/24/2023]
Abstract
This review addresses changes and updates in eosinophilic disorders under the International Consensus Classification (ICC). The previous category of myeloid/lymphoid neoplasm with eosinophilia (M/LN-eo) and a specific gene rearrangement is changed to M/LN-eo with tyrosine kinase gene fusions to reflect the underlying genetic lesions. Two new members, M/LN-eo with ETV6::ABL1 fusion and M/LN-eo with various FLT3 fusions, have been added to the category; and M/LN-eo with PCM1::JAK2 and its genetic variants ETV6::JAK2 and BCR::JAK2 are recognized as a formal entity from their former provisional status. The updated understanding of the clinical and molecular genetic features of PDGFRA, PDGFRB and FGFR1 neoplasms is summarized. Clear guidance as to how to distinguish these fusion gene-associated disorders from the overlapping entities of Ph-like B-acute lymphoblastic leukemia (ALL), de novo T-ALL, and systemic mastocytosis is provided. Bone marrow morphology now constitutes one of the diagnostic criteria of chronic eosinophilic leukemia, NOS (CEL, NOS), and idiopathic hypereosinophilia/hypereosinophilic syndrome (HE/HES), facilitating the separation of a true myeloid neoplasm with characteristic eosinophilic proliferation from those of unknown etiology and not attributable to a myeloid neoplasm.
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Affiliation(s)
- Alexandar Tzankov
- Institute of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - Kaaren K Reichard
- Department of Laboratory Medicine and Pathology, Mayo Clinic, NY, Rochester, USA
| | | | - Daniel A Arber
- Department of Pathology, University of Chicago, IL, Chicago, USA
| | - Attilio Orazi
- Department of Pathology, Texas Tech University Health Sciences Center, El Paso, TX, USA
| | - Sa A Wang
- Department of Hematopathology, Division of Pathology, The University of Texas MD Anderson Cancer Center, TX, Houston, USA.
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Tang G, Tam W, Short NJ, Bose P, Wu D, Hurwitz SN, Bagg A, Rogers HJ, Hsi ED, Quesada AE, Wang W, Miranda RN, Bueso-Ramos CE, Medeiros LJ, Nardi V, Hasserjian RP, Arber DA, Orazi A, Foucar K, Wang SA. Myeloid/lymphoid neoplasms with FLT3 rearrangement. Mod Pathol 2021; 34:1673-1685. [PMID: 33990705 DOI: 10.1038/s41379-021-00817-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/31/2021] [Accepted: 04/05/2021] [Indexed: 12/24/2022]
Abstract
Myeloid/lymphoid neoplasms (M/LN) with 13q12/FLT3 rearrangement have been suggested as candidates for possible inclusion in the World Health Organization classification group of M/LN with eosinophilia (M/LN-eo). We report 12 patients with confirmed FLT3 rearrangement, six with t(12;13)/ETV6-FLT3; one with ins(13;22)/BCR-FLT3; and five with an unconfirmed partner gene located on chromosome bands 2p16, 3q27, 5q15, 5q35, and 7q36. Disease presentations were heterogeneous, including lymphoblastic leukemia/lymphoma, myeloid sarcoma, chronic eosinophilic leukemia, chronic myelomonocytic leukemia, and myelodysplastic syndrome. However, some common features were observed, such as extramedullary involvement (n = 7, 58%), associated eosinophilia in blood, bone marrow, or tissue (n = 8, 67%), multilineage involvement, either as biphasic myeloid/lymphoid neoplasms (n = 2) or mixed phenotype acute leukemia (n = 2). Mutations were detected in 4/8 (50%) patients by next-generation sequencing. None (0/10) had FLT3 or KIT mutations. Eleven patients received disease-based chemotherapy or hypomethylating agents, three received FLT3 inhibitors, and five patients proceeded to hematopoietic stem cell transplant. Together with a review of 16 cases published in the literature, it is apparent that M/LNs with FLT3 rearrangement show disease features reminiscent of members in the category of M/LN-eo with PDGFRA, PDGFRB, FGFR1, and PCM1/JAK2 rearrangement, characterized by a specific gene rearrangement, frequent eosinophilia, multi-lineage involvement and therapeutic benefit from kinase inhibitors.
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Affiliation(s)
- Guilin Tang
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
| | - Wayne Tam
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, NY, USA
| | - Nicholas J Short
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Prithviraj Bose
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - David Wu
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA
| | - Stephanie N Hurwitz
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Adam Bagg
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Heesun J Rogers
- Department of Laboratory Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Eric D Hsi
- Department of Laboratory Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Andres E Quesada
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Wei Wang
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Roberto N Miranda
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Carlos E Bueso-Ramos
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - L Jeffrey Medeiros
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Valentina Nardi
- Department of Pathology, Massachusetts General Hospital, Boston, MA, USA
| | | | - Daniel A Arber
- Department of Pathology, University of Chicago, Chicago, IL, USA
| | - Attilio Orazi
- Department of Pathology, Texas Tech University Health Sciences Center, El Paso, TX, USA
| | - Kathryn Foucar
- Department of Pathology, School of Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Sa A Wang
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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Genomic Analyses of Pediatric Acute Lymphoblastic Leukemia Ph+ and Ph-Like-Recent Progress in Treatment. Int J Mol Sci 2021; 22:ijms22126411. [PMID: 34203891 PMCID: PMC8232636 DOI: 10.3390/ijms22126411] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/04/2021] [Accepted: 06/14/2021] [Indexed: 12/24/2022] Open
Abstract
Pediatric acute lymphoblastic leukemia (ALL) with t(9;22)(q34;q11.2) is a very rare malignancy in children. Approximately 3-5% of pediatric ALL patients present with the Philadelphia chromosome. Previously, children with Ph+ had a poor prognosis, and were considered for allogeneic stem cell transplantation (allo-HSCT) in their first remission (CR1). Over the last few years, the treatment of childhood ALL has significantly improved due to standardized research protocols. Hematopoietic stem cell transplantation (HSCT) has been the gold standard therapy in ALL Ph+ patients, but recently first-generation tyrosine kinase inhibitor (TKI)-imatinib became a major milestone in increasing overall survival. Genomic analyses give the opportunity for the investigation of new fusions or mutations, which can be used to establish effective targeted therapies. Alterations of the IKZF1 gene are present in a large proportion of pediatric and adult ALL Ph+ cases. IKZF1 deletions are present in ~15% of patients without BCR-ABL1 rearrangements. In BCR-ABL1-negative cases, IKZF1 deletions have been shown to have an independent prognostic impact, carrying a three-fold increased risk of treatment failure. The prognostic significance of IKZF1 gene aberrations in pediatric ALL Ph+ is still under investigation. More research should focus on targeted therapies and immunotherapy, which is not associated with serious toxicity in the same way as classic chemotherapy, and on the improvement of patient outcomes. In this review, we provide a molecular analysis of childhood ALL with t(9;22)(q34;q11.2), including the Ph-like subtype, and of treatment strategies.
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Renneville A, Gasser JA, Grinshpun DE, Jean Beltran PM, Udeshi ND, Matyskiela ME, Clayton T, McConkey M, Viswanathan K, Tepper A, Guirguis AA, Sellar RS, Cotteret S, Marzac C, Saada V, De Botton S, Kiladjian JJ, Cayuela JM, Rolfe M, Chamberlain PP, Carr SA, Ebert BL. Avadomide induces degradation of ZMYM2 fusion oncoproteins in hematologic malignancies. Blood Cancer Discov 2021; 2:250-265. [PMID: 34027417 DOI: 10.1158/2643-3230.bcd-20-0105] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Thalidomide analogs exert their therapeutic effects by binding to the CRL4CRBN E3 ubiquitin ligase, promoting ubiquitination and subsequent proteasomal degradation of specific protein substrates. Drug-induced degradation of IKZF1 and IKZF3 in B-cell malignancies demonstrates the clinical utility of targeting disease-relevant transcription factors for degradation. Here, we found that avadomide (CC-122) induces CRBN-dependent ubiquitination and proteasomal degradation of ZMYM2 (ZNF198), a transcription factor involved in balanced chromosomal rearrangements with FGFR1 and FLT3 in aggressive forms of hematologic malignancies. The minimal drug-responsive element of ZMYM2 is a zinc-chelating MYM domain and is contained in the N-terminal portion of ZMYM2 that is universally included in the derived fusion proteins. We demonstrate that avadomide has the ability to induce proteasomal degradation of ZMYM2-FGFR1 and ZMYM2-FLT3 chimeric oncoproteins, both in vitro and in vivo. Our findings suggest that patients with hematologic malignancies harboring these ZMYM2 fusion proteins may benefit from avadomide treatment.
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Affiliation(s)
- Aline Renneville
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA.,Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.,INSERM U1287, Gustave Roussy Cancer Campus, Villejuif, France
| | - Jessica A Gasser
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA.,Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Daniel E Grinshpun
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA.,Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | | | - Namrata D Udeshi
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Mary E Matyskiela
- Celgene/Bristol-Myers Squibb corporation, San Diego, California, USA
| | - Thomas Clayton
- Celgene/Bristol-Myers Squibb corporation, San Diego, California, USA
| | - Marie McConkey
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Kaushik Viswanathan
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Alexander Tepper
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA.,Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Andrew A Guirguis
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA.,Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.,Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
| | - Rob S Sellar
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.,Department of Haematology, UCL Cancer Institute, London, United Kingdom
| | - Sophie Cotteret
- Département de Biologie et Pathologie, Gustave Roussy Cancer Campus, Villejuif, France
| | - Christophe Marzac
- Département de Biologie et Pathologie, Gustave Roussy Cancer Campus, Villejuif, France
| | - Véronique Saada
- Département de Biologie et Pathologie, Gustave Roussy Cancer Campus, Villejuif, France
| | - Stéphane De Botton
- Département d'Hématologie, Gustave Roussy Cancer Campus, Villejuif, France
| | - Jean-Jacques Kiladjian
- Université de Paris, AP-HP, Hôpital Saint-Louis, Centre d'Investigations Cliniques CIC 1427, INSERM, Paris, France
| | - Jean-Michel Cayuela
- Hematology Laboratory and EA3518, University Hospital Saint-Louis, Université de Paris, Paris, France
| | - Mark Rolfe
- Celgene/Bristol-Myers Squibb corporation, San Diego, California, USA
| | | | - Steven A Carr
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Benjamin L Ebert
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA.,Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.,Howard Hughes Medical Institute, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
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