1
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Chen J, Gale RP, Hu Y, Yan W, Wang T, Zhang W. Measurable residual disease (MRD)-testing in haematological and solid cancers. Leukemia 2024; 38:1202-1212. [PMID: 38637690 PMCID: PMC11147778 DOI: 10.1038/s41375-024-02252-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/06/2024] [Accepted: 04/09/2024] [Indexed: 04/20/2024]
Affiliation(s)
- Junren Chen
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China.
- Tianjin Institutes of Health Science, Tianjin, China.
| | - Robert Peter Gale
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College of Science, Technology and Medicine, London, UK
| | - Yu Hu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
- Tianjin Institutes of Health Science, Tianjin, China
| | - Wen Yan
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
- Tianjin Institutes of Health Science, Tianjin, China
| | - Tiantian Wang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
- Tianjin Institutes of Health Science, Tianjin, China
| | - Wei Zhang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
- Tianjin Institutes of Health Science, Tianjin, China
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2
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Reikvam H, Dillon R. Revisiting the role of measurable residual disease in FLT3 mutated acute myelogenous leukemia. Expert Rev Hematol 2024; 17:103-106. [PMID: 38654593 DOI: 10.1080/17474086.2024.2347303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 04/22/2024] [Indexed: 04/26/2024]
Affiliation(s)
- Håkon Reikvam
- K.G. Jebsen Center for Myeloid Blood Cancer, Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Medicine, Haukeland University Hospital, Bergen, Norway
| | - Richard Dillon
- Department of Medical and Molecular Genetics, King's College, Guy's and St Thomas' NHS Foundation Trust, London, UK
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3
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Tiong IS, Loo S. Targeting Measurable Residual Disease (MRD) in Acute Myeloid Leukemia (AML): Moving beyond Prognostication. Int J Mol Sci 2023; 24:4790. [PMID: 36902217 PMCID: PMC10003715 DOI: 10.3390/ijms24054790] [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] [Received: 01/08/2023] [Revised: 02/01/2023] [Accepted: 02/02/2023] [Indexed: 03/06/2023] Open
Abstract
Measurable residual disease (MRD) assessment in acute myeloid leukemia (AML) has an established role in disease prognostication, particularly in guiding decisions for hematopoietic cell transplantation in first remission. Serial MRD assessment is now routinely recommended in the evaluation of treatment response and monitoring in AML by the European LeukemiaNet. The key question remains, however, if MRD in AML is clinically actionable or "does MRD merely portend fate"? With a series of new drug approvals since 2017, we now have more targeted and less toxic therapeutic options for the potential application of MRD-directed therapy. Recent approval of NPM1 MRD as a regulatory endpoint is also foreseen to drastically transform the clinical trial landscape such as biomarker-driven adaptive design. In this article, we will review (1) the emerging molecular MRD markers (such as non-DTA mutations, IDH1/2, and FLT3-ITD); (2) the impact of novel therapeutics on MRD endpoints; and (3) how MRD might be used as a predictive biomarker to guide therapy in AML beyond its prognostic role, which is the focus of two large collaborative trials: AMLM26 INTERCEPT (ACTRN12621000439842) and MyeloMATCH (NCT05564390).
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Affiliation(s)
- Ing S. Tiong
- Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
- The Alfred Hospital, Melbourne, VIC 3004, Australia
- Australian Centre for Blood Diseases, Monash University, Melbourne, VIC 3004, Australia
| | - Sun Loo
- Peter MacCallum Cancer Centre, Melbourne, VIC 3000, Australia
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
- The Northern Hospital, Epping, VIC 3076, Australia
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4
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Loo S, Dillon R, Ivey A, Anstee NS, Othman J, Tiong IS, Potter N, Jovanovic J, Runglall M, Chong CC, Bajel A, Ritchie D, Gray K, Yeoh ZH, McBean M, Gilkes A, Thomas I, Johnson S, Russell NH, Wei AH. Pretransplant FLT3-ITD MRD assessed by high-sensitivity PCR-NGS determines posttransplant clinical outcome. Blood 2022; 140:2407-2411. [PMID: 35960851 PMCID: PMC10653044 DOI: 10.1182/blood.2022016567] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 07/26/2022] [Indexed: 11/20/2022] Open
Affiliation(s)
- Sun Loo
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
- Department of Haematology, Peter MacCallum Cancer Centre, Royal Melbourne Hospital and University of Melbourne, Melbourne, Australia
- Department of Haematology, The Alfred Hospital, Melbourne, Australia
| | - Richard Dillon
- Guy’s and St Thomas Hospital, London, United Kingdom
- Department of Medical and Molecular Genetics, King’s College, London, United Kingdom
| | - Adam Ivey
- Department of Pathology, The Alfred Hospital, Melbourne, Australia
| | - Natasha S. Anstee
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
- Department of Haematology, The Alfred Hospital, Melbourne, Australia
| | - Jad Othman
- Guy’s and St Thomas Hospital, London, United Kingdom
- Department of Medical and Molecular Genetics, King’s College, London, United Kingdom
| | - Ing Soo Tiong
- Department of Haematology, The Alfred Hospital, Melbourne, Australia
- Department of Pathology, Peter MacCallum Cancer Centre, Melbourne, Australia
| | - Nicola Potter
- Department of Medical and Molecular Genetics, King’s College, London, United Kingdom
| | - Jelena Jovanovic
- Department of Medical and Molecular Genetics, King’s College, London, United Kingdom
| | - Manohursingh Runglall
- Department of Medical and Molecular Genetics, King’s College, London, United Kingdom
| | - Chyn Chua Chong
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
- Department of Haematology, The Alfred Hospital, Melbourne, Australia
| | - Ashish Bajel
- Department of Haematology, Peter MacCallum Cancer Centre, Royal Melbourne Hospital and University of Melbourne, Melbourne, Australia
| | - David Ritchie
- Department of Haematology, Peter MacCallum Cancer Centre, Royal Melbourne Hospital and University of Melbourne, Melbourne, Australia
| | - Kelli Gray
- Department of Haematology, Peter MacCallum Cancer Centre, Royal Melbourne Hospital and University of Melbourne, Melbourne, Australia
| | - Zhi Han Yeoh
- Department of Haematology, Peter MacCallum Cancer Centre, Royal Melbourne Hospital and University of Melbourne, Melbourne, Australia
| | - Michelle McBean
- Department of Pathology, Peter MacCallum Cancer Centre, Melbourne, Australia
| | - Amanda Gilkes
- Division of Cancer and Genetics, Cardiff University, Cardiff, United Kingdom
| | - Ian Thomas
- Centre for Trials Research, Cardiff University, Cardiff, United Kingdom
| | - Sean Johnson
- Centre for Trials Research, Cardiff University, Cardiff, United Kingdom
| | | | - Andrew H. Wei
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
- Department of Haematology, Peter MacCallum Cancer Centre, Royal Melbourne Hospital and University of Melbourne, Melbourne, Australia
- Department of Haematology, The Alfred Hospital, Melbourne, Australia
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5
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Blackmon A, Aldoss I, Ball BJ. FLT3 Inhibitors as Maintenance Therapy after Allogeneic Stem-Cell Transplantation. Blood Lymphat Cancer 2022; 12:137-147. [PMID: 36097605 PMCID: PMC9464008 DOI: 10.2147/blctt.s281252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 08/19/2022] [Indexed: 11/23/2022] Open
Abstract
Mutations in the FLT3 gene are associated with poor prognosis in patients with AML, even after consolidation with allogeneic hematopoietic cell transplantation (alloHCT) in first remission. Treatment failure in FLT3-mutated AML is largely driven by excessive risk of relapse compared to other genetic subtypes, including in patients post-alloHCT. As a result, there is substantial interest in studying posttransplant maintenance therapy in FLT3-mutated AML as an approach to optimize disease control and improve long-term outcomes. Clinical trials utilizing posttransplant FLT3 inhibitors, such as sorafenib and midostaurin, have shown feasibility, safety, and encouraging posttransplant outcomes, and there are ongoing studies using newer-generation tyrosine-kinase inhibitors as posttransplant maintenance therapy. Here, we review the toxicities and efficacy of FLT3 inhibitors as posttransplant maintenance, recommendations on the use of FLT3 inhibitors by international consensus guidelines, and highlight key remaining questions.
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Affiliation(s)
- Amanda Blackmon
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA, USA
| | - Ibrahim Aldoss
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA, USA
| | - Brian J Ball
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA, USA
- Correspondence: Brian J Ball, Division of Leukemia, Department of Hematology and HCT, City of Hope National Medical Center, 1500 E. Duarte Road, Duarte, CA, 91010, USA, Email
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6
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Senapati J, Kadia TM. Which FLT3 Inhibitor for Treatment of AML? Curr Treat Options Oncol 2022; 23:359-380. [PMID: 35258791 DOI: 10.1007/s11864-022-00952-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/20/2022] [Indexed: 12/17/2022]
Abstract
OPINION STATEMENT Treatment options in acute myeloid leukemia (AML) have improved significantly over the last decade with better understanding of disease biology and availability of a multitude of targeted therapies. The use of FLT3 inhibitors (FLT3i) in FLT3-mutated (FLT3mut) AML is one such development; however, the clinical decisions that govern their use and dictate the choice of the FLT3i are evolving. Midostaurin and gilteritinib are FDA-approved in specific situations; however, available data from clinical trials also shed light on the utility of sorafenib maintenance post-allogeneic stem cell transplantation (allo-SCT) and quizartinib as part of combination therapy in FLT3mut AML. The knowledge of the patient's concurrent myeloid mutations, type of FLT3 mutation, prior FLT3i use, and eligibility for allo-SCT helps to refine the choice of FLT3i. Data from ongoing studies will further precisely define their use and help in making more informed choices. Despite improvements in FLT3i therapy, the definitive aim is to enable the eligible patient with FLT3mut AML (esp. ITD) to proceed to allo-SCT with regimens containing FLT3i incorporated prior to SCT and as maintenance after SCT.
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Affiliation(s)
- Jayastu Senapati
- Department of Leukemia, MD Anderson Cancer Center, 1515 Holcombe Blvd. - Unit 428, Houston, 77030, USA
| | - Tapan Mahendra Kadia
- Department of Leukemia, MD Anderson Cancer Center, 1515 Holcombe Blvd. - Unit 428, Houston, 77030, USA.
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7
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Reville PK, Sasaki K, Kantarjian HM, Daver NG, Yilmaz M, Dinardo CD, Short NJ, Borthakur G, Pemmaraju N, Mehta RS, Pierce S, Konoplev SN, Khoury JD, Garcia-Manero G, Konopleva MY, Jabbour E, Ravandi F, Kadia TM. Improved outcomes among newly diagnosed patients with FMS-like tyrosine kinase 3 internal tandem duplication mutated acute myeloid leukemia treated with contemporary therapy: Revisiting the European LeukemiaNet adverse risk classification. Am J Hematol 2022; 97:329-337. [PMID: 34981570 PMCID: PMC8884919 DOI: 10.1002/ajh.26451] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/21/2021] [Accepted: 12/23/2021] [Indexed: 12/17/2022]
Abstract
Mutations in fms-like tyrosine kinase 3 (FLT3) gene are common genomic alterations in acute myeloid leukemia (AML). FLT3 internal tandem duplication mutations (FLT3-ITD) have consistently been shown to be adversely prognostic, particularly those with high allelic ratio (AR). Current AML treatment strategies, including high dose cytarabine, purine analogs, FLT3 inhibitors (FLT3i), and with or without allogeneic stem cell transplant (SCT) have been shown to improve the outcomes in patients with FLT3 mutations. We analyzed a consecutive cohort of newly diagnosed patients with AML treated at a large academic medical center from January 2012 to January 2020. A total of 1576 patients with a new diagnosis of AML were reviewed. Among these, 1438 (91%) had molecular testing for FLT3 mutations and 21% (304/1438) had an FLT3 mutation, including 17% with an FLT3-ITD mutation. We show that FLT3-ITD high AR with NPM1 wild-type have significantly improved survival compared with other European LeukemiaNet (ELN) adverse risk disease. In multivariable cox proportional hazards model of patients receiving intensive or low-intensity induction regimens, FLT3 mutations did not have prognostic significance. The use of allogeneic SCT in CR1 for patients with FLT3 mutations appears to improve survival, particularly in those with ELN adverse risk disease. Overall, this data highlights the changing prognostic impact of FLT3 mutations in a contemporary era with appropriate use of induction therapy combined with targeted agents and allogenic SCT.
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Affiliation(s)
- Patrick K. Reville
- Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Koji Sasaki
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Hagop M. Kantarjian
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Naval G. Daver
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Musa Yilmaz
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Courtney D. Dinardo
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Nicholas J. Short
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Gautam Borthakur
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Naveen Pemmaraju
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Rohtesh S Mehta
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Sherry Pierce
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Sergej N. Konoplev
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Joseph D. Khoury
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Guillermo Garcia-Manero
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Marina Y. Konopleva
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Elias Jabbour
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Farhad Ravandi
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Tapan M. Kadia
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
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8
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Nagler A, Labopin M, Craddock C, Socié G, Yakoub-Agha I, Gedde-Dahl T, Niittyvuopio R, Byrne JL, Cornelissen JJ, Labussière-Wallet H, Arcese W, Milpied N, Esteve J, Canaani J, Mohty M. Cytogenetic risk classification maintains its prognostic significance in transplanted FLT3-ITD mutated acute myeloid leukemia patients: On behalf of the acute leukemia working party/European society of blood and marrow transplantation. Am J Hematol 2022; 97:274-282. [PMID: 34978724 DOI: 10.1002/ajh.26442] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/09/2021] [Accepted: 12/15/2021] [Indexed: 11/07/2022]
Abstract
FMS-like tyrosine kinase 3 internal tandem duplication (FLT3-ITD) mutational status is a pivotal prognosticator in acute myeloid leukemia (AML) patients and significantly increases the risk of disease relapse. However, it remains unclear whether in FLT3-ITD patients referred for allogeneic stem cell transplantation (allo-SCT), baseline cytogenetics significantly impacts clinical outcome. Using the European Society of Blood and Marrow Transplantation registry, we performed a retrospective analysis of 1631 FLT3-ITD AML patients who underwent allo-SCT with the aim of determining the influence of cytogenetic risk category on patient outcomes. Median patient age was 49 years and median follow-up duration was 36 months. Two-year leukemia-free survival (LFS) and incidence of relapse were 54% and 31.6%, respectively. Non-relapse mortality was experienced by 14.4% with a 2-year overall survival (OS) of 60.1%. On multivariate analysis, LFS was significantly lower in patients with intermediate and adverse risk cytogenetics compared with those with favorable risk cytogenetics, (hazard ratio [HR] = 1.48, 95% confidence interval [CI], 1.06-2.06; p = .02), and (HR = 01.65, 95% CI, 1.13-2.40; p = .009), respectively. OS was significantly lower in patients with adverse risk cytogenetics compared with patients with favorable risk cytogenetics (HR = 1.74, 95% CI, 1.16-2.61; p = .008) with a trend toward lower OS in patients with intermediate risk cytogenetics compared to those with favorable risk cytogenetics (HR = 1.43, 95% CI, 1.00-2.05; p = .052). In addition, adverse risk patients and intermediate risk patients experienced higher relapse rates compared with favorable risk patients (HR = 1.83, 95% CI, 1.13-2.94; p = .013 and HR = 1.82, 95% CI, 1.19-2.77; p = .005). Overall, cytogenetic studies aid in refinement of risk stratification in transplanted FLT3-ITD AML patients.
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Affiliation(s)
- Arnon Nagler
- Hematology Division, Department of Bone Marrow Transplantation, Sheba Medical Center, Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | | | - Charles Craddock
- Centre for Clinical Haematology, Queen Elizabeth Hospital, Birmingham, UK
| | - Gerard Socié
- Assistance Publique-Hôpitaux de Paris, Hematology Stem Cell Transplantation, Saint Louis Hospital, Paris, France
| | | | - Tobias Gedde-Dahl
- Hematology Department, Section for Stem Cell Transplantation, Oslo University Hospital, Rikshospitalet, Clinic for Cancer Medicine, Oslo, Norway
| | | | | | | | | | - William Arcese
- Stem Cell Transplant Unit, Policlinico Universitario Tor Vergata, University of Rome, Rome, Italy
| | - Noel Milpied
- Hematology and Cell Therapy Department, Bordeaux University Hospital, Bordeaux, France
| | - Jordi Esteve
- Hematology Department, Hospital Clínic of Barcelona, IDIBAPS, University of Barcelona, Barcelona, Spain
| | - Jonathan Canaani
- Hematology Division, Department of Hematology, Sheba Medical Center, Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Mohamad Mohty
- Hôpital Saint-Antoine, EBMT ALWP Office, Paris, France
- Department of Haematology, Saint Antoine Hospital, INSERM UMR 938 and Sorbonne University, Paris, France
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9
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Récher C. The beginning of a new therapeutic era in acute myeloid leukemia. EJHAEM 2021; 2:823-833. [PMID: 35845213 PMCID: PMC9175720 DOI: 10.1002/jha2.252] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 06/02/2021] [Accepted: 06/07/2021] [Indexed: 12/17/2022]
Abstract
In the field of AML, the early 2000s were shaped by the advent of novel molecular biology technologies including high-throughput sequencing that improved prognostic classification, response evaluation through the quantification of minimal residual disease, and the launch of research on targeted therapies. Our knowledge of leukemogenesis, AML genetic diversity, gene-gene interactions, clonal evolution, and treatment response assessment has also greatly improved. New classifications based on chromosomal abnormalities and gene mutations are now integrated on a routine basis. These considerable efforts contributed to the discovery and development of promising drugs which specifically target gene mutations, apoptotic pathways and cell surface antigens as well as reformulate classical cytotoxic agents. In less than 2 years, nine novels drugs have been approved for the treatment of AML patients, and many others are being intensively investigated, in particular immune therapies. There are now numerous clinical research opportunities offered to clinicians, thanks to these new treatment options. We are only at the start of a new era which should see major disruptions in the way we understand, treat, and monitor patients with AML.
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Affiliation(s)
- Christian Récher
- Service d'HématologieCentre Hospitalier Universitaire de ToulouseInstitut Universitaire du Cancer de Toulouse OncopoleUniversité Toulouse III Paul SabatierCentre de Recherches en Cancérologie de ToulouseToulouseFrance
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10
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Yu T, Chi J, Wang L. Clinical values of gene alterations as marker of minimal residual disease in non-M3 acute myeloid leukemia. Hematology 2021; 26:848-859. [PMID: 34674615 DOI: 10.1080/16078454.2021.1990503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Acute myeloid leukemia (AML) is a malignant disease of the hematopoietic system. Residual leukemic cells after treatment are associated with relapse. Thus, detecting minimal residual disease (MRD) is significant. Major techniques for MRD assessment include multiparameter flow cytometry (MFC), polymerase chain reaction (PCR), and next-generation sequencing (NGS). At a molecular level, AML is the consequence of collaboration of several gene alterations. Some of these gene alterations can also be used as MRD markers to evaluate the level of residual leukemic cells by PCR and NGS. However, when as MRD markers, different gene alterations have different clinical values. This paper aims to summarize the characteristics of various MRD markers, so as to better predict the clinical outcome of AML patients and guide the treatment.
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Affiliation(s)
- Tingyu Yu
- Department of Hematology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Jianxiang Chi
- Center for the Study of Hematological Malignancies, Nicosia, Cyprus
| | - Li Wang
- Department of Hematology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
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11
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Zhang T, Bao X, Qiu H, Tang X, Han Y, Fu C, Sun A, Ruan C, Wu D, Chen S, Xu Y. Development of a Nomogram for Predicting the Cumulative Incidence of Disease Recurrence of AML After Allo-HSCT. Front Oncol 2021; 11:732088. [PMID: 34646774 PMCID: PMC8503644 DOI: 10.3389/fonc.2021.732088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 08/25/2021] [Indexed: 11/23/2022] Open
Abstract
Using targeted exome sequencing, we studied correlations between mutations at diagnosis and transplant outcomes in 332 subjects with acute myeloid leukemia (AML) receiving allotransplantation. A total of 299 patients (299/332, 90.1%) had at least one oncogenic point mutation. In multivariable analyses, pretransplant disease status, minimal residual disease (MRD) before transplantation (pre-MRD), cytogenetic risk classification, and TP53 and FLT3-ITDhigh ratio mutations were independent risk factors for AML recurrence after allotransplantation (p < 0.05). A nomogram for the cumulative incidence of relapse (CIR) that integrated all the predictors in the multivariable model was then constructed, and the concordance index (C-index) values at 6, 12, 18, and 24 months for CIR prediction were 0.754, 0.730, 0.715, and 0.690, respectively. Moreover, calibration plots showed good agreements between the actual observation and the nomogram prediction for the 6, 12, 18, and 24 months posttransplantation CIR in the internal validation. The integrated calibration index (ICI) values were 0.008, 0.055, 0.094, and 0.136 at 6, 12, 18, and 24 months posttransplantation, respectively. With a median cutoff score of 9.73 from the nomogram, all patients could be divided into two groups, and the differences in 2-year CIR, disease-free survival (DFS), and overall survival (OS) between these two groups were significant (p < 0.05). Taken together, the results of our study indicate that gene mutations could help to predict the outcomes of patients with AML receiving allotransplantation.
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Affiliation(s)
- Tongtong Zhang
- Jiangsu Institute of Haematology, Key Laboratory of Thrombosis and Haemostasis of Ministry of Health, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiebing Bao
- Jiangsu Institute of Haematology, Key Laboratory of Thrombosis and Haemostasis of Ministry of Health, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Huiying Qiu
- Jiangsu Institute of Haematology, Key Laboratory of Thrombosis and Haemostasis of Ministry of Health, The First Affiliated Hospital of Soochow University, Suzhou, China.,National Clinical Research Centre for Haematological Diseases, Suzhou, China
| | - Xiaowen Tang
- Jiangsu Institute of Haematology, Key Laboratory of Thrombosis and Haemostasis of Ministry of Health, The First Affiliated Hospital of Soochow University, Suzhou, China.,National Clinical Research Centre for Haematological Diseases, Suzhou, China
| | - Yue Han
- Jiangsu Institute of Haematology, Key Laboratory of Thrombosis and Haemostasis of Ministry of Health, The First Affiliated Hospital of Soochow University, Suzhou, China.,National Clinical Research Centre for Haematological Diseases, Suzhou, China
| | - Chengcheng Fu
- Jiangsu Institute of Haematology, Key Laboratory of Thrombosis and Haemostasis of Ministry of Health, The First Affiliated Hospital of Soochow University, Suzhou, China.,National Clinical Research Centre for Haematological Diseases, Suzhou, China
| | - Aining Sun
- Jiangsu Institute of Haematology, Key Laboratory of Thrombosis and Haemostasis of Ministry of Health, The First Affiliated Hospital of Soochow University, Suzhou, China.,National Clinical Research Centre for Haematological Diseases, Suzhou, China
| | - Changgeng Ruan
- Jiangsu Institute of Haematology, Key Laboratory of Thrombosis and Haemostasis of Ministry of Health, The First Affiliated Hospital of Soochow University, Suzhou, China.,National Clinical Research Centre for Haematological Diseases, Suzhou, China
| | - Depei Wu
- Jiangsu Institute of Haematology, Key Laboratory of Thrombosis and Haemostasis of Ministry of Health, The First Affiliated Hospital of Soochow University, Suzhou, China.,National Clinical Research Centre for Haematological Diseases, Suzhou, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Centre of Haematology, Soochow University, Suzhou, China
| | - Suning Chen
- Jiangsu Institute of Haematology, Key Laboratory of Thrombosis and Haemostasis of Ministry of Health, The First Affiliated Hospital of Soochow University, Suzhou, China.,National Clinical Research Centre for Haematological Diseases, Suzhou, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Centre of Haematology, Soochow University, Suzhou, China
| | - Yang Xu
- Jiangsu Institute of Haematology, Key Laboratory of Thrombosis and Haemostasis of Ministry of Health, The First Affiliated Hospital of Soochow University, Suzhou, China.,National Clinical Research Centre for Haematological Diseases, Suzhou, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Centre of Haematology, Soochow University, Suzhou, China
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12
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Pochon C, Detrait M, Dalle JH, Michel G, Dhédin N, Chalandon Y, Brissot E, Forcade E, Sirvent A, Izzadifar-Legrand F, Michallet M, Renard C, Yakoub-Agha I, Gonzales F, Bay JO, Kanold J, Cornillon J, Bulabois CE, Angoso M, Nguyen S, Balza M, Chevallier P, Rialland F, Bazarbachi A, Beguin Y, Huynh A, Ménard AL, Schneider P, Neven B, Paillard C, Raus N, Albuisson E, Remen T, Rubio MT. Improved outcome in children compared to adolescents and young adults after allogeneic hematopoietic stem cell transplant for acute myeloid leukemia: a retrospective study from the Francophone Society of Bone Marrow Transplantation and Cell Therapy (SFGM-TC). J Cancer Res Clin Oncol 2021; 148:2083-2097. [PMID: 34480598 PMCID: PMC9293841 DOI: 10.1007/s00432-021-03761-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 08/10/2021] [Indexed: 11/25/2022]
Abstract
Background There are currently few data on the outcome of acute myeloid leukemia (AML) in adolescents after allogeneic HSCT. The aim of this study is to describe the outcome and its specific risk factors for children, adolescents and young adults after a first allogeneic HSCT for AML. Methods In this retrospective study, we compared the outcome of AML patients receiving a first allogeneic HSCT between 2005 and 2017 according to their age at transplantation’s time: children (< 15 years, n = 564), adolescent and post-adolescent (APA) patients (15–25 years, n = 647) and young adults (26–40 years; n = 1434). Results With a median follow-up of 4.37 years (min–max 0.18–14.73 years), the probability of 2-year overall survival (OS) was 71.4% in children, 61.1% in APA patients and 62.9% in young adults (p = 0.0009 for intergroup difference). Both relapse and non-relapse mortality (NRM) Cumulative Incidence (CI) estimated at 2 years were different between the age groups (30.8% for children, 35.2% for APA patients and 29.4% for young adults—p = 0.0254, and 7.0% for children, 10.6% for APA patients and 14.2% for young adults, p < 0.0001; respectively). Whilst there was no difference between the three groups for grade I to IV acute GVHD CI at 3 months, the chronic GVHD CI at 2 years was higher in APA patients and young adults (31.4% and 36.4%, respectively) in comparison to the children (17.5%) (p < 0.0001). In multivariable analysis, factors associated with death were AML cytogenetics (HR1.73 [1.29–2.32] for intermediate risk 1, HR 1.50 [1.13–2.01] for intermediate risk 2, HR 2.22 [1.70–2.89] for high cytogenetics risk compared to low risk), use of TBI ≥ 8 Grays (HR 1.33 [1.09–1.61]), disease status at transplant (HR 1.40 [1.10–1.78] for second Complete Remission (CR), HR 2.26 [1.02–4.98] for third CR and HR 3.07 [2.44–3.85] for active disease, compared to first CR), graft source (HR 1.26 [1.05–1.50] for Peripheral Blood Stem Cells compared to Bone Marrow) and donor age (HR 1.01 (1–1.02] by increase of 1 year). Conclusion Age is an independent risk factor for NRM and extensive chronic GVHD. This study suggests that APA patients with AML could be beneficially treated with a chemotherapy-based MAC regimen and bone marrow as a stem cells source. Supplementary Information The online version contains supplementary material available at 10.1007/s00432-021-03761-w.
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Affiliation(s)
- Cécile Pochon
- CHRU de Nancy, hôpitaux de Brabois, service d'oncohématologie pédiatrique, 54500, Vandœuvre-lès-Nancy, France.
| | - Marie Detrait
- CHRU de Nancy, hôpitaux de Brabois, service d'hématologie, 54500, Vandœuvre-lès-Nancy, France.,Biopôle de l'université de Lorraine, UMR 7365 CNRS-UL, IMoPa, 54500, Vandœuvre-lès-Nancy, France
| | - Jean-Hugues Dalle
- Hôpital Robert-Debré, Université Paris, département d'hémato-immunologie pédiatrique7-Paris Diderot, 5, rue Thomas-Mann, 75013, Paris, France
| | - Gérard Michel
- Pediatric Hematology Department, Hopital de La Timone, Marseille, France
| | - Nathalie Dhédin
- Unité d'Hématologie-Adolescents et jeunes adultes, Hôpital Saint-Louis, EA-3518, Université Paris, 7-Denis Diderot, Paris, France
| | - Yves Chalandon
- Service d'Hématologie, Hôpitaux Universitaires de Genève, Université de Genève, 4, rue Gabrielle-Perret-Gentil, 1211 Genève and faculté de médecine, Geneva, Switzerland
| | - Eolia Brissot
- Service d'Hematologie Clinique, Saint-Antoine Hospital, AP-HP, Sorbonne University, and INSERM UMRs 938, Paris, France
| | - Edouard Forcade
- CHU Bordeaux, service d'hematologie et therapie Cellulaire, 33000, Bordeaux, France
| | - Anne Sirvent
- Hôpital Arnaud-de-Villeneuve, service d'onco-hématologie pédiatrique, 371, avenue du Doyen-Gaston-Giraud, 34090, Montpellier, France
| | - Faezeh Izzadifar-Legrand
- Institut Paoli-Calmette, unité de greffe, 232, boulevard de Sainte-Marguerite, 13009, Marseille, France
| | | | - Cécile Renard
- Institute of Hematology and Oncology Paediatrics, Hospices Civils de Lyon, Lyon, France
| | - Ibrahim Yakoub-Agha
- CHRU de Lille, unité d'allogreffe de CSH, maladies du sang, 59037, Lille, France.,Université de Lille 2, Inserm U995, LIRIC, 59000, Lille, France
| | - Fanny Gonzales
- CHU de Lille, hématologie pédiatrique, 59000, Lille, France
| | | | - Justyna Kanold
- Department of Pediatric Oncology and Hematology, Hôpital Estaing, Clermont-Ferrand, France
| | - Jérome Cornillon
- Institut de Cancérologie Lucien-Neuwirth, département d'hématologie clinique, 108 Bis, avenue Albert-Raimond, 42271, St-Priest-en-Jarez, France
| | | | - Marie Angoso
- Hôpital d'enfants, unité d'hématologie oncologie pédiatrique, place Amélie-Raba-Léon, 33000, Bordeaux, France
| | - Stéphanie Nguyen
- Sorbonne Université, Groupe Hospitalier Pitié-Salpêtrière, centre d'immunologie et des maladies infectieuses (CIMI-Paris), service d'hématologie clinique, UPMC CR7, CNRS ERL8255, Inserm U1135, 75013, Paris, France
| | - Marie Balza
- Hematology Department, HCL, Hôpitaux Lyon-Sud, Pierre-Bénite, France
| | | | - Fanny Rialland
- Pediatric Hematology Department, CHU de Nantes, Nantes, France
| | - Ali Bazarbachi
- Department of Internal Medicine, American University of Beirut, Beyrouth, Lebanon
| | - Yves Beguin
- Department of Haematology, CHU and University of Liège, Liège, Belgium
| | - Anne Huynh
- Institut Universitaire du Cancer, Toulouse, France
| | - Anne-Lise Ménard
- Centre Henri-Becquerel, département d'hématologie clinique, rue d'Amiens, 76038, Rouen, France
| | - Pascale Schneider
- Service d'hémato-oncologie pédiatrie, Hôpital Charles-Nicolle, CHU, 1, rue Germont, 76031, Rouen cedex, France
| | - Bénédicte Neven
- Service d'immuno-Hématologie Pédiatrique, Hôpital Necker-Enfants-Malades, 149-161, rue de Sèvres, 75743, Paris Cedex 15, France
| | - Catherine Paillard
- Department of Haematology, Hôpital de Haute-Pierre, 67200, Strasbourg, France
| | - Nicole Raus
- Data Management of SFGMT-TC, HCL, Hôpitaux Lyon Sud, Pierre Bénite, France
| | - Eliane Albuisson
- CHRU-Nancy, DRCI, Département MPI, Unité de Méthodologie, Data Management et Statistique UMDS, 54000, Nancy, France
| | - Thomas Remen
- CHRU-Nancy, DRCI, Département MPI, Unité de Méthodologie, Data Management et Statistique UMDS, 54000, Nancy, France
| | - Marie-Thérèse Rubio
- CHRU de Nancy, hôpitaux de Brabois, service d'hématologie, 54500, Vandœuvre-lès-Nancy, France.,Biopôle de l'université de Lorraine, UMR 7365 CNRS-UL, IMoPa, 54500, Vandœuvre-lès-Nancy, France
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13
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Qin D. Molecular testing for acute myeloid leukemia. Cancer Biol Med 2021; 19:j.issn.2095-3941.2020.0734. [PMID: 34347394 PMCID: PMC8763005 DOI: 10.20892/j.issn.2095-3941.2020.0734] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 04/02/2021] [Indexed: 11/11/2022] Open
Abstract
In the era of personalized medicine, information on molecular change at the gene level is important for patient care. Such information has been used for disease classification, diagnosis, prognosis, risk stratification, and treatment, which is especially important in cancer patient care. Many molecular tests exist and can be used to detect the molecular changes at gene level. These tests include, but are not limited to, karyotyping, endpoint polymerase chain reaction (PCR), real-time PCR, Sanger sequencing, pyrosequencing, next-generation sequencing, and so forth. How to use the right tests for the right patients at the right time is essential for optimal patient outcome. This review puts together some information on molecular testing for acute myeloid leukemia.
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Affiliation(s)
- Dahui Qin
- Moffitt Cancer Center, Tampa, FL 33612-9416, USA
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14
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Salah M, Zawam H, Fouad NB, Soliman N, Maksoud FAWA. Study of HOTAIR LncRNA in AML patients in context to FLT3-ITD and NPM1 mutations status. EGYPTIAN JOURNAL OF MEDICAL HUMAN GENETICS 2021. [DOI: 10.1186/s43042-021-00180-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Long non-coding RNAs (LncRNAs) have recently been considered promising biomarkers for oncogenesis due to their epigenetic regulatory effects. HOTAIR is one of the oncogenic LncRNAs that was previously studied in different non-hematological malignancies. The current study set out to detect the expression level of HOTAIR LncRNA in AML patients concerning their clinical characteristics, laboratory data, FLT3-ITD, and NPM1 mutations, as well as treatment outcome. This study included quantitative detection of HOTAIR gene expression in 47 cases of AML using quantitative reverse transcription polymerase chain reaction, as well as NPM1 and FLT3-ITD genotyping.
Results
The HOTAIR expression was significantly higher in AML patients 6.87 (0.001) than in normal controls 1.66 (0.004–6.82) (p 0.007). The HOTAIR expression level was affected by chemotherapy, and it was correlated to hemoglobin level (p 0.001), age, total leukocytic count (p 0.022), and NPM1 mutation (p 0.017). HOTAIR gene expression level showed a correlation to relapse-free survival in the study group (p 0.04).
Conclusion
HOTAIR is overexpressed in patients with acute myeloid leukemia (AML). HOTAIR pre-treatment and post-chemotherapy gene expression levels can predict chemosensitivity and relapse.
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15
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Abstract
Aberrant FLT3 receptor signaling is common in acute myeloid leukemia (AML) and has important implications for the biology and clinical management of the disease. Patients with FLT3-mutated AML frequently present with critical illness, are more likely to relapse after treatment, and have worse clinical outcomes than their FLT3 wild type counterparts. The clinical management of FLT3-mutated AML has been transformed by the development of FLT3 inhibitors, which are now in use in the frontline and relapsed/refractory settings. However, many questions regarding the optimal approach to the treatment of these patients remain. In this paper, we will review the rationale for targeting the FLT3 receptor in AML, the impact of FLT3 mutation on patient prognosis, the current standard of care approaches to FLT3-mutated AML management, and the diverse array of FLT3 inhibitors in use and under investigation. We will also explore new opportunities and strategies for targeting the FLT3 receptor. These include targeting the receptor in patients with non-canonical FLT3 mutations or wild type FLT3, pairing FLT3 inhibitors with other novel therapies, using minimal residual disease (MRD) testing to guide the targeting of FLT3, and novel immunotherapeutic approaches.
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Affiliation(s)
- Alexander J Ambinder
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Mark Levis
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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16
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Azelaic Acid Exerts Antileukemia Effects against Acute Myeloid Leukemia by Regulating the Prdxs/ROS Signaling Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1295984. [PMID: 33425206 PMCID: PMC7775164 DOI: 10.1155/2020/1295984] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 11/26/2020] [Accepted: 12/10/2020] [Indexed: 12/15/2022]
Abstract
Acute myeloid leukemia (AML) is a hematological malignancy with a poor prognosis attributed to elevated reactive oxygen species (ROS) levels. Thus, agents that inhibit ROS generation in AML should be exploited. Azelaic acid (AZA), a small molecular compound, can scavenge ROS and other free radicals, exerting antitumor effects on various tumor cells. Herein, this study evaluated the antileukemic activity of AZA against AML via regulation of the ROS signaling pathway. We found that AZA reduced intracellular ROS levels and increased total antioxidant capacity in AML cell lines and AML patient cells. AZA suppressed the proliferation of AML cell lines and AML patient cells, expending minimal cytotoxicity on healthy cells. Laser confocal microscopy showed that AZA-treated AML cells surged and ruptured gradually on microfluidic chips. Additionally, AZA promoted AML cell apoptosis and arrested the cell cycle at the G1 phase. Further analysis demonstrated that peroxiredoxin (Prdx) 2 and Prdx3 were upregulated in AZA-treated AML cells. In vivo, AZA prolonged survival and attenuated AML by decreasing CD33+ immunophenotyping in the bone marrow of a patient-derived xenograft AML model. Furthermore, mice in the AZA-treated group had an increased antioxidant capacity and Prdx2/Prdx3 upregulation. The findings indicate that AZA may be a potential agent against AML by regulating the Prdxs/ROS signaling pathway.
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17
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Helbig G, Koclęga A, Wieczorkiewicz-Kabut A, Woźniczka K, Kopińska A, Boral K, Grygoruk-Wiśniowska I, Stachowicz M, Karolczyk A. Pre-transplant FLT3/ITD status predicts outcome in FLT3-mutated acute myeloid leukemia following allogeneic stem cell transplantation. Ann Hematol 2020; 99:1845-1853. [PMID: 32333156 PMCID: PMC7340651 DOI: 10.1007/s00277-020-04026-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 04/06/2020] [Indexed: 01/02/2023]
Abstract
Acute myeloid leukemia (AML) with fetal liver tyrosine kinase 3 (FLT3) internal tandem duplication (ITD) is associated with poor prognosis, and allogeneic stem cell transplantation (Allo-SCT) seems to be the preferred therapeutic approach. However, the predictors of post-transplant outcomes were not well-defined. The aim of the study was to evaluate the significance of FLT3/ITD mutation by polymerase chain reaction as minimal residual disease (MRD) marker of outcomes after transplantation. We identified 43 patients (28 females and 15 males) with FLT3-mutated AML at the median age of 45 years who were allografted between 2009 and 2019. Hematological status at transplant was as follows: the first complete remission (CR1) in 29 patients, CR2 in 5, and 9 patients were transplanted in marrow aplasia (MA). Twenty-seven patients were FLT3 MRD negative at transplant. Median time from diagnosis to transplant was 16.7 months. Post-allograft CR rate was 88%. The relapse incidence (RI) was lower for patients who were FLT3 MRD negative at transplant when compared with those with FLT3 MRD positivity (41% vs 59%; p = 0.01). The patients who eradicated FLT3/ITD at day + 30 after transplant had lower RI than those with detectable FLT3/ITD (23% vs 76%; p = <0.001). The 2-year LFS and OS were 53% and 54%, with the median OS and LFS of 28 months and 27 months, respectively. Patients with CR1/2 and FLT3 MRD(-) had a 2-year OS of 80%. The FLT3 MRD negativity at transplant prolonged LFS in multivariate analysis (HR 5.3 95%CI 1.97-14.2); p < 0.001), whereas FLT3 MRD negativity and unrelated donor predicted favorable OS.
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Affiliation(s)
- Grzegorz Helbig
- Department of Hematology and Bone Marrow Transplantation, School of Medicine in Katowice, Medical University of Silesia, Dąbrowski street 25, 40-032, Katowice, Poland.
| | - Anna Koclęga
- Department of Hematology and Bone Marrow Transplantation, School of Medicine in Katowice, Medical University of Silesia, Dąbrowski street 25, 40-032, Katowice, Poland
| | - Agata Wieczorkiewicz-Kabut
- Department of Hematology and Bone Marrow Transplantation, School of Medicine in Katowice, Medical University of Silesia, Dąbrowski street 25, 40-032, Katowice, Poland
| | - Krzysztof Woźniczka
- Department of Hematology and Bone Marrow Transplantation, School of Medicine in Katowice, Medical University of Silesia, Dąbrowski street 25, 40-032, Katowice, Poland
| | - Anna Kopińska
- Department of Hematology and Bone Marrow Transplantation, School of Medicine in Katowice, Medical University of Silesia, Dąbrowski street 25, 40-032, Katowice, Poland
| | - Kinga Boral
- Department of Hematology and Bone Marrow Transplantation, School of Medicine in Katowice, Medical University of Silesia, Dąbrowski street 25, 40-032, Katowice, Poland
| | - Iwona Grygoruk-Wiśniowska
- Department of Hematology and Bone Marrow Transplantation, School of Medicine in Katowice, Medical University of Silesia, Dąbrowski street 25, 40-032, Katowice, Poland
| | - Małgorzata Stachowicz
- Department of Hematology and Bone Marrow Transplantation, School of Medicine in Katowice, Medical University of Silesia, Dąbrowski street 25, 40-032, Katowice, Poland
| | - Agnieszka Karolczyk
- Department of Hematology and Bone Marrow Transplantation, School of Medicine in Katowice, Medical University of Silesia, Dąbrowski street 25, 40-032, Katowice, Poland
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18
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Kim H. Treatments for children and adolescents with AML. Blood Res 2020; 55:S5-S13. [PMID: 32719170 PMCID: PMC7386885 DOI: 10.5045/br.2020.s002] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 01/30/2020] [Accepted: 02/14/2020] [Indexed: 12/12/2022] Open
Abstract
In recent decades, survival rates for childhood acute myeloid leukemia have remarkably improved, owing to chemotherapy intensification, allogeneic hematopoietic stem cell transplantation, and improved supportive care. Furthermore, treatment protocols have evolved and are currently better matched to prognostic factors and treatment responses. Recently, new molecular prognostic factors were discovered via leukemia genomic studies. Moreover, new tumor subtypes with independent gene expression profiles have been characterized. To broaden the therapeutic options for patients with poor prognoses, therapies that target specific candidate mutations are being identified. Additionally, new drugs are undergoing clinical trials, and immunotherapy is attracting significant interest as a treatment option for recurrent or refractory childhood acute myeloid leukemia.
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Affiliation(s)
- Hyery Kim
- Department of Pediatrics, University of Ulsan College of Medicine, Asan Medical Center Children’s Hospital, Seoul, Korea
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19
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Bazarbachi A, Bug G, Baron F, Brissot E, Ciceri F, Dalle IA, Döhner H, Esteve J, Floisand Y, Giebel S, Gilleece M, Gorin NC, Jabbour E, Aljurf M, Kantarjian H, Kharfan-Dabaja M, Labopin M, Lanza F, Malard F, Peric Z, Prebet T, Ravandi F, Ruggeri A, Sanz J, Schmid C, Shouval R, Spyridonidis A, Versluis J, Vey N, Savani BN, Nagler A, Mohty M. Clinical practice recommendation on hematopoietic stem cell transplantation for acute myeloid leukemia patients with FLT3-internal tandem duplication: a position statement from the Acute Leukemia Working Party of the European Society for Blood and Marrow Transplantation. Haematologica 2020; 105:1507-1516. [PMID: 32241850 PMCID: PMC7271578 DOI: 10.3324/haematol.2019.243410] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 03/19/2020] [Indexed: 12/13/2022] Open
Abstract
The FMS-like tyrosine kinase 3 (FLT3) gene is mutated in 25-30% of patients with acute myeloid leukemia (AML). Because of the poor prognosis associated with FLT3-internal tandem duplication mutated AML, allogeneic hematopoietic stem-cell transplantation (SCT) was commonly performed in first complete remission. Remarkable progress has been made in frontline treatments with the incorporation of FLT3 inhibitors and the development of highly sensitive minimal/measurable residual disease assays. Similarly, recent progress in allogeneic hematopoietic SCT includes improvement of transplant techniques, the use of haploidentical donors in patients lacking an HLA matched donor, and the introduction of FLT3 inhibitors as post-transplant maintenance therapy. Nevertheless, current transplant strategies vary between centers and differ in terms of transplant indications based on the internal tandem duplication allelic ratio and concomitant nucleophos-min-1 mutation, as well as in terms of post-transplant maintenance/consolidation. This review generated by international leukemia or transplant experts, mostly from the European Society for Blood and Marrow Transplantation, attempts to develop a position statement on best approaches for allogeneic hematopoietic SCT for AML with FLT3-internal tandem duplication including indications for and modalities of such transplants and on the potential optimization of post-transplant maintenance with FLT inhibitors.
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Affiliation(s)
- Ali Bazarbachi
- Bone Marrow Transplantation Program, Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon
- Department of Anatomy, Cell Biology, and Physiological Sciences, American University of Beirut, Beirut, Lebanon
| | - Gesine Bug
- Department of Medicine 2, Hematology and Oncology, University Hospital, Goethe University Frankfurt, Frankfurt am Main, Germany
| | | | - Eolia Brissot
- Sorbonne Universités, UPMC University of Paris 06, INSERM, Centre de Recherche Saint-Antoine (CRSA), Hematology Department, AP-HP, Saint Antoine Hospital, Paris, France
| | - Fabio Ciceri
- Vita-Salute San Raffaele University of Milan, Milan, ItalyHematology and Bone Marrow Transplantation Unit, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Iman Abou Dalle
- Bone Marrow Transplantation Program, Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Hartmut Döhner
- Department of Internal Medicine III, Ulm University Hospital, Ulm, Germany
| | - Jordi Esteve
- Hematology Department, Hospital Clínic of Barcelona, IDIBAPS, University of Barcelona, Barcellona, Spain
| | - Yngvar Floisand
- Department of Hematology, Oslo University Hospital - Rikshospitalet, Oslo, Norway
- Center for Cancer Cell Reprogramming, Institute for Cancer Research, Oslo University Hospital, Montebello, Oslo, Norway
| | - Sebastian Giebel
- Department of Bone Marrow Transplantation and Oncohematology, Maria Sklodowska-Curie Institute - Oncology Center, Gliwice Branch, Gliwice, Poland
| | - Maria Gilleece
- Department of Haematology, Leeds Teaching Hospitals Trust, Leeds, UK
| | - Norbert-Claude Gorin
- Department of Hematology and Cell Therapy, European Society for Blood and Marrow Transplantation, Paris Office, Hopital Saint-Antoine, Paris, France
| | - Elias Jabbour
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mahmoud Aljurf
- Department of Hematology King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia
| | - Hagop Kantarjian
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mohamed Kharfan-Dabaja
- Division of Hematology-Oncology and Blood and Marrow Transplantation and Cellular Therapies Program, Mayo Clinic, Jacksonville, FL, USA
| | - Myriam Labopin
- Acute Leukemia Working Party, Paris Study Office, European Society for Blood and Marrow Transplantation, Paris, France
- Sorbonne Universités, UPMC University of Paris 06, INSERM, Centre de Recherche Saint-Antoine (CRSA), Hematology Department, AP-HP, Saint Antoine Hospital, Paris, France
| | | | - Florent Malard
- Sorbonne Universités, UPMC University of Paris 06, INSERM, Centre de Recherche Saint-Antoine (CRSA), Hematology Department, AP-HP, Saint Antoine Hospital, Paris, France
| | - Zinaida Peric
- University Hospital Center Zagreb, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Thomas Prebet
- Section of Hematology, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Farhad Ravandi
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Annalisa Ruggeri
- Department of Pediatric Hematology and Oncology, IRCCS Bambino Gesù Children's Hospital, Roma, ItalyEurocord, Hôpital Saint Louis, Paris, France
| | - Jaime Sanz
- Hematology Department, Hospital Universitari i Politecnic La Fe. Instituto de Investigación Sanitaria La Fe, Valencia, CIBERONC, Instituto Carlos III, Madrid, Spain
| | - Christoph Schmid
- Department of Hematology and Oncology, Augsburg University Hospital, Augsburg, Germany
| | - Roni Shouval
- Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | | | - Jurjen Versluis
- Erasmus University Medical Center Cancer Institute, Rotterdam, the Netherlands
| | - Norbert Vey
- Department of Hematology, Institut Paoli-Calmettes, Marseille, France
| | - Bipin N Savani
- Department of Hematology-Oncology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Arnon Nagler
- Hematology and Bone Marrow Transplantation Division, Chaim Sheba Medical Center, Tel-Hashomer, Sackler School of Medicine, Tel Aviv University, Israel
| | - Mohamad Mohty
- Sorbonne Universités, UPMC University of Paris 06, INSERM, Centre de Recherche Saint-Antoine (CRSA), Hematology Department, AP-HP, Saint Antoine Hospital, Paris, France
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20
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Han H, Shin DY, Kim D, Kim H, Lee C, Koh Y, Hong J, Yoon SS. Induction of leukemic stem cell differentiation by aryl hydrocarbon receptor agonist and synergy with gilteritinib in FLT3-ITD + acute myeloid leukemia. Leuk Lymphoma 2020; 61:1932-1942. [PMID: 32374198 DOI: 10.1080/10428194.2020.1747062] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Leukemic stem cells (LSCs) are a major cause of treatment failure and recurrence of acute myeloid leukemia (AML). Targeting LSC is essential to developing a potential cure for patients with relapsed/refractory AML. Here we investigated the effect of aryl hydrocarbon receptor (AhR) signaling on AML stem/progenitor proportion and examined the combined effect of AhR agonist and tyrosine kinase inhibitor. The AhR agonist, 6-formylindolo[3,2-b]carbazole (FICZ), significantly decreased the LSC proportion and clonogenicity and increased differentiation markers in AML primary cells. Synergistic/additive effects of FICZ and gilteritinib, FMS-like tyrosine kinase 3 (FLT3) inhibitor, were confirmed in AML cells with FLT3-ITD. We present evidence that combination of both agents inhibits FLT3 downstream molecules and degrades clonogenicity. Collectively, our results suggest that FICZ not only compels LSC differentiation, but also enhances the efficacy of gilteritinib when combined. Clinical application of this combined approach may pave a new therapeutic strategy for patients with FLT3 mutated AML.
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Affiliation(s)
- Heejoo Han
- Seoul National University College of Medicine, Seoul, Republic of Korea.,Center for Medical Innovation, Seoul National University Hospital, Seoul, Republic of Korea
| | - Dong-Yeop Shin
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Dongchan Kim
- Seoul National University College of Medicine, Seoul, Republic of Korea.,Center for Medical Innovation, Seoul National University Hospital, Seoul, Republic of Korea
| | - Hyungsuk Kim
- Department of Laboratory Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Chansup Lee
- Seoul National University College of Medicine, Seoul, Republic of Korea.,Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Youngil Koh
- Center for Medical Innovation, Seoul National University Hospital, Seoul, Republic of Korea.,Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Junshik Hong
- Seoul National University College of Medicine, Seoul, Republic of Korea.,Center for Medical Innovation, Seoul National University Hospital, Seoul, Republic of Korea.,Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Sung-Soo Yoon
- Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea.,Cancer Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
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21
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Antar AI, Otrock ZK, Jabbour E, Mohty M, Bazarbachi A. FLT3 inhibitors in acute myeloid leukemia: ten frequently asked questions. Leukemia 2020; 34:682-696. [PMID: 31919472 DOI: 10.1038/s41375-019-0694-3] [Citation(s) in RCA: 127] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 11/22/2019] [Accepted: 12/06/2019] [Indexed: 12/18/2022]
Abstract
The FMS-like tyrosine kinase 3 (FLT3) gene is mutated in approximately one third of patients with acute myeloid leukemia (AML), either by internal tandem duplications (FLT3-ITD), or by a point mutation mainly involving the tyrosine kinase domain (FLT3-TKD). Patients with FLT3-ITD have a high risk of relapse and low cure rates. Several FLT3 tyrosine kinase inhibitors have been developed in the last few years with variable kinase inhibitory properties, pharmacokinetics, and toxicity profiles. FLT3 inhibitors are divided into first generation multi-kinase inhibitors (such as sorafenib, lestaurtinib, midostaurin) and next generation inhibitors (such as quizartinib, crenolanib, gilteritinib) based on their potency and specificity of FLT3 inhibition. These diverse FLT3 inhibitors have been evaluated in myriad clinical trials as monotherapy or in combination with conventional chemotherapy or hypomethylating agents and in various settings, including front-line, relapsed or refractory disease, and maintenance therapy after consolidation chemotherapy or allogeneic stem cell transplantation. In this practical question-and-answer-based review, the main issues faced by the leukemia specialists on the use of FLT3 inhibitors in AML are addressed.
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Affiliation(s)
- Ahmad I Antar
- Department of Hematology and Oncology, Hammoud Hospital University Medical Center, Saida, Lebanon
| | - Zaher K Otrock
- Department of Pathology and Laboratory Medicine, Henry Ford Hospital, Wayne State University, Detroit, MI, USA
| | - Elias Jabbour
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mohamad Mohty
- Service d'hématologie clinique et thérapie cellulaire, Hôpital Saint-Antoine, INSERM UMRs 938 and université Sorbonne, Paris, France
| | - Ali Bazarbachi
- Bone Marrow Transplantation Program, Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon.
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22
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Srour SA, Saliba RM, Bittencourt MCB, Perez JMR, Kongtim P, Alousi A, Al‐Atrash G, Olson A, Betul O, Mehta R, Popat U, Hosing C, Bashir Q, Khouri I, Kebriaei P, Masarova L, Short N, Jabbour E, Daver N, Konopleva M, Ravandi F, Kantarjian H, Champlin RE, Ciurea SO. Haploidentical transplantation for acute myeloid leukemia patients with minimal/measurable residual disease at transplantation. Am J Hematol 2019; 94:1382-1387. [PMID: 31595538 DOI: 10.1002/ajh.25647] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 09/02/2019] [Accepted: 09/26/2019] [Indexed: 01/09/2023]
Abstract
There have been conflicting results regarding the impact of minimal/measurable disease at transplant on acute myeloid leukemia (AML) outcomes after haploidentical transplantation (haplo-SCT). We assessed the impact of pre-transplant disease status on post-transplant outcomes of 143 patients treated with haplo-SCT using fludarabine-melphalan (FM) conditioning and post-transplant cyclophosphamide (PTCy). With a median follow-up of 29 months, the two-year PFS for all patients was 41%. Compared to patients in complete remission (CR) at transplant, those with active disease (n = 29) and CR with incomplete count recovery (CRi) (n = 39) had worse PFS. They had hazard ratios (HR) of 3.5 (95% CI: 2.05-6.1; P < .001) and 2.3 (95% CI: 1.3-3.9; P = .002), respectively. Among patients who were in CR at transplant, there were no differences in PFS between those who had minimal residual disease (MRD) positive (n = 24), and MRD negative (n = 41) (HR 1.85, 95%CI: 0.9-4.0; P = .1). In multivariable analysis for patients in CR, only age was predictive for outcomes, while MRD status at transplant did not influence the treatment outcomes. Our findings suggest that haplo-SCT with FM conditioning regimen and PTCy-based GVHD prophylaxis has a protective effect, and may potentially abrogate the inferior outcomes of MRD positivity for patients with AML. Patients with positive MRD may benefit from proceeding urgently to a haplo-SCT, as this does not appear to negatively impact transplant outcomes.
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Affiliation(s)
- Samer A. Srour
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Rima M. Saliba
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Maria C. B. Bittencourt
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Jorge M. R. Perez
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Piyanuch Kongtim
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Amin Alousi
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Gheath Al‐Atrash
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Amanda Olson
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Oran Betul
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Rohtesh Mehta
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Uday Popat
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Chitra Hosing
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Qaiser Bashir
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Issa Khouri
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Partow Kebriaei
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Lucia Masarova
- Department of Leukemia The University of Texas MD Anderson Cancer Center Houston Texas
| | - Nicholas Short
- Department of Leukemia The University of Texas MD Anderson Cancer Center Houston Texas
| | - Elias Jabbour
- Department of Leukemia The University of Texas MD Anderson Cancer Center Houston Texas
| | - Naval Daver
- Department of Leukemia The University of Texas MD Anderson Cancer Center Houston Texas
| | - Marina Konopleva
- Department of Leukemia The University of Texas MD Anderson Cancer Center Houston Texas
| | - Farhad Ravandi
- Department of Leukemia The University of Texas MD Anderson Cancer Center Houston Texas
| | - Hagop Kantarjian
- Department of Leukemia The University of Texas MD Anderson Cancer Center Houston Texas
| | - Richard E. Champlin
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
| | - Stefan O. Ciurea
- Department of Stem Cell Transplantation and Cellular Therapy The University of Texas MD Anderson Cancer Center Houston Texas
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23
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Willis C, Menon J, Unni S, Au T, Yoo M, Biskupiak J, Brixner D, Ndife B, Joseph G, Bonifacio G, Stein E, Tantravahi S, Shami PJ, Kovacsovics T, Stenehjem D. Clinical and economic analysis of patients with acute myeloid leukemia by FLT3 status and midostaurin use at a Comprehensive Cancer Center. Leuk Res 2019; 87:106262. [PMID: 31756575 DOI: 10.1016/j.leukres.2019.106262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 10/11/2019] [Accepted: 10/21/2019] [Indexed: 11/15/2022]
Abstract
INTRODUCTION Identification of cytogenetic and molecular abnormalities has become vital for the appropriate treatment of acute myeloid leukemia (AML). One of the most common molecular alterations in AML is the constitutive activation by internal tandem duplication of FMS-like tyrosine kinase 3 (FLT3). METHODS This observational, retrospective, cohort study at the Huntsman Cancer Institute (HCI) had two time periods: 1) a historical pre-midostaurin time period which consisted of the FLT3 mutated (FLT3m) and FLT3 wild type (FLT3wt) cohorts from January 1, 2007, to December 31, 2016, and 2) a post-midostaurin cohort which consisted of the FLT3 mutated midostaurin-user cohort (early mido) from May 01, 2017 to December 31, 2018. RESULTS In total, 39 patients were included in the FLT3m cohort, 61 in the FLT3wt cohort, and seven in the early mido cohort. FLT3m patients spent fewer days in the hospital during the first consolidation regimen and received fewer consolidation cycles compared to FLT3wt patients. Overall survival (OS) was similar between FLT3m and FLT3wt patients. For patients without hematopoietic stem cell transplant, OS was significantly shorter for FLT3m patients compared to FLT3wt patients. Mean AML related inpatient charges and physician charges for FLT3m patients were significantly higher than FLT3wt patients. CONCLUSION The FLT3 mutation is historically associated with a shorter time to transplant and increased total health care charges. More information is needed to evaluate the real-world treatment strategies for FLT3-mutated patients in the presence of FLT3 inhibitors and the impact of these treatment strategies on clinical and economic outcomes.
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Affiliation(s)
- Connor Willis
- Department of Pharmacotherapy, College of Pharmacy, University of Utah, UT, United States
| | - Jyothi Menon
- Department of Pharmacotherapy, College of Pharmacy, University of Utah, UT, United States
| | - Sudhir Unni
- Department of Pharmacotherapy, College of Pharmacy, University of Utah, UT, United States
| | - Trang Au
- Department of Pharmacotherapy, College of Pharmacy, University of Utah, UT, United States
| | - Minkyoung Yoo
- Department of Pharmacotherapy, College of Pharmacy, University of Utah, UT, United States
| | - Joseph Biskupiak
- Department of Pharmacotherapy, College of Pharmacy, University of Utah, UT, United States
| | - Diana Brixner
- Department of Pharmacotherapy, College of Pharmacy, University of Utah, UT, United States
| | - Briana Ndife
- Novartis Pharmaceuticals, East Hanover, NJ, United States
| | - George Joseph
- Novartis Pharmaceuticals, East Hanover, NJ, United States
| | | | - Eytan Stein
- Department of Medicine, Leukemia Service, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Srinivas Tantravahi
- Division of Hematology and Hematologic Malignancies, Huntsman Cancer Institute at the University of Utah, Salt Lake City, UT, United States
| | - Paul J Shami
- Division of Hematology and Hematologic Malignancies, Huntsman Cancer Institute at the University of Utah, Salt Lake City, UT, United States
| | - Tibor Kovacsovics
- Division of Hematology and Hematologic Malignancies, Huntsman Cancer Institute at the University of Utah, Salt Lake City, UT, United States
| | - David Stenehjem
- Department of Pharmacotherapy, College of Pharmacy, University of Utah, UT, United States; Department of Pharmacy Practice and Pharmaceutical Sciences, College of Pharmacy, University of Minnesota, Duluth, MN, United States.
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24
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Cheng Z, Dai Y, Pang Y, Jiao Y, Liu Y, Cui L, Qian T, Quan L, Cui W, Pan Y, Ye X, Shi J, Fu L. High EGFL7 expression may predict poor prognosis in acute myeloid leukemia patients undergoing allogeneic hematopoietic stem cell transplantation. Cancer Biol Ther 2019; 20:1314-1318. [PMID: 31306053 DOI: 10.1080/15384047.2019.1638663] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
Epithelial growth factor-like 7 (EGFL7) is a secretory protein with a well-characterized role in angiogenesis and the oncogenesis of certain solid tumors. Overexpression of EGFL7 is associated with adverse prognosis in patients with cytogenetically normal acute myeloid leukemia (CN-AML). However, whether this association persists after allogeneic hematopoietic stem cell transplantation (allo-HSCT) remains unclear. To further clarify the prognostic role of EGFL7, seventy-one AML patients with EGFL7 expression data who underwent allo-HSCT from The Cancer Genome Atlas database were included and divided into either EGFL7high or EGFL7low group based on the median EGFL7 expression level. Two groups had similar clinical and molecular characteristics except that the EGFL7high group had less frequent NPM1 mutations (P= .001). Kaplan-Meier survival curves showed that high EGFL7 expressers had shorter OS than the low expressers (P= .040). Univariate analysis showed that high EGFL7 expression, MLL-PTD, RUNX1 and TP53 mutations were associated with short OS (all P< .05). Multivariate analysis indicated that high EGFL7 expression, FLT3-ITD, RUNX1 and TP53 mutations were independent risk factors for OS (all P< .05). Collectively, our study suggested that EGFL7, like the other widely-used risk stratification factors, could serve as a prognostic tool and therapeutic target in AML, even after allo-HCST.
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Affiliation(s)
- Zhiheng Cheng
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University , Guangzhou , China.,Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen , Groningen , Netherlands.,Translational Medicine Center, The Second Affiliated Hospital of Guangzhou Medical University , Guangzhou , China.,Translational Medicine Center, Huaihe Hospital of Henan University , Kaifeng , China
| | - Yifeng Dai
- Immunoendocrinology, Division of Medical Biology, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen , Groningen , Netherlands
| | - Yifan Pang
- Department of Medicine, William Beaumont Hospital , Royal Oak , MI , USA
| | - Yang Jiao
- Life Sciences Institute and Innovation Center for Cell Signaling Network, Zhejiang University , Hangzhou , China
| | - Yan Liu
- Translational Medicine Center, Huaihe Hospital of Henan University , Kaifeng , China
| | - Longzhen Cui
- Translational Medicine Center, Huaihe Hospital of Henan University , Kaifeng , China
| | - Tingting Qian
- Translational Medicine Center, The Second Affiliated Hospital of Guangzhou Medical University , Guangzhou , China
| | - Liang Quan
- Translational Medicine Center, The Second Affiliated Hospital of Guangzhou Medical University , Guangzhou , China
| | - Wei Cui
- Department of Clinical Laboratory, Beijing Haidian Hospital, Beijing Haidian Section of Peking University Third Hospital , Beijing , China
| | - Yue Pan
- Department of Clinical Laboratory, Beijing Haidian Hospital, Beijing Haidian Section of Peking University Third Hospital , Beijing , China
| | - Xu Ye
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University , Guangzhou , China
| | - Jinlong Shi
- Department of Biomedical Engineering, Chinese PLA General Hospital , Beijing , China
| | - Lin Fu
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University , Guangzhou , China.,Translational Medicine Center, The Second Affiliated Hospital of Guangzhou Medical University , Guangzhou , China.,Department of Hematology, Huaihe Hospital of Henan University , Kaifeng , China
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25
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Clinical considerations for the use of FLT3 inhibitors in acute myeloid leukemia. Crit Rev Oncol Hematol 2019; 141:125-138. [PMID: 31279288 DOI: 10.1016/j.critrevonc.2019.06.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 05/22/2019] [Accepted: 06/21/2019] [Indexed: 12/18/2022] Open
Abstract
Internal tandem duplications and tyrosine kinase mutations in the fms-like tyrosine kinase 3 (FLT3) receptor can occur in acute myeloid leukemia (AML) and portend a poor prognosis. Midostaurin, a multikinase inhibitor that targets FLT3, demonstrated a survival benefit in FLT3-mutated AML in combination with front-line chemotherapy. Despite this advancement, the use of FLT3 inhibitors in clinical practice is complicated by significant drug-drug interactions and uncertainty about optimal timing, duration, and sequencing of therapy. As monotherapy, the utility of FLT3 inhibitors was initially limited by incomplete and transient clinical responses and the development of acquired resistance. This led to the development of more potent and selective FLT3 inhibitors designed to overcome common resistance mechanisms. One of these second generation FLT3 inhibitors, gilteritinib, is now FDA-approved for the treatment of relapsed or refractory AML. Now that multiple FLT3 inhibitors are commercially available, it is important to further delineate the role of these agents in the AML population. This review aims to provide a comprehensive overview of the role of FLT3 inhibitors in AML and apply the current literature to clinical practice.
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26
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Jindra P, Raida L, Karas M, Szotkowski T, Lysák D, Hrabětová M, Jungová A, Steinerová K, Faber E, Papajík T. Allogeneic Stem Cell Transplantation in Patients With FLT3-ITD Mutated AML: Transplantation in CR1 Is the Decisive Factor for Good Outcome. CLINICAL LYMPHOMA MYELOMA & LEUKEMIA 2019; 19:462-469. [PMID: 31109905 DOI: 10.1016/j.clml.2019.04.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 04/07/2019] [Accepted: 04/15/2019] [Indexed: 10/27/2022]
Abstract
BACKGROUND Patients with internal tandem duplication in fms-related tyrosine kinase receptor gene 3 (FLT3-ITD)-mutated acute myeloid leukemia (AML) have a dismal prognosis and the only curative option seems to be allogeneic stem cell transplantation (alloSCT). However, its timing is still matter of debate. PATIENTS AND METHODS We retrospectively analyzed 73 consecutive AML patients with FLT3-ITD (median age 53, range 20-68 years) allografted with consistent policy to try to refer them all for upfront alloSCT in first complete remission (CR1). RESULTS With a median follow-up of 44 (range, 5-135) months the 5-year overall survival (OS)/disease-free survival (DFS) probabilities were 49%/47%. The cumulative incidence of relapse and nonrelapse mortality (NRM) were 37% and 14%, respectively. The estimated 5-year OS for patients who received transplantation in CR1 was 62% versus 0% for patients who received transplantation beyond CR1. Multivariable analysis identified stem cell transplantation beyond CR1 as the key factor for poor OS (hazard ratio [HR], 5.41; P < .0001), DFS (HR, 4.41; P = .0002), and high relapse incidence (HR, 8.08; P < .0001). Acute graft versus host disease Grade ≥3 predicted higher NRM (HR, 3.80; P = .059) as well as inferior OS (HR, 2.04; P = .0079). No association of patient age, nucleophosmin status, donor type, conditioning, and other variables on the survival was detected. CONCLUSION AlloSCT should be regarded with urgency as soon as CR1 is achieved in this subset of AML patients.
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Affiliation(s)
- Pavel Jindra
- Department of Haematology and Oncology, University Hospital, Pilsen, Czech Republic; Biomedical Center, Faculty of Medicine in Pilsen, Charles University in Prague, Pilsen, Czech Republic.
| | - Luděk Raida
- Department of Hemato-Oncology, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Michal Karas
- Department of Haematology and Oncology, University Hospital, Pilsen, Czech Republic
| | - Tomáš Szotkowski
- Department of Hemato-Oncology, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Daniel Lysák
- Department of Haematology and Oncology, University Hospital, Pilsen, Czech Republic; Biomedical Center, Faculty of Medicine in Pilsen, Charles University in Prague, Pilsen, Czech Republic
| | - Marcela Hrabětová
- Department of Haematology and Oncology, University Hospital, Pilsen, Czech Republic
| | - Alexandra Jungová
- Department of Haematology and Oncology, University Hospital, Pilsen, Czech Republic
| | - Kateřina Steinerová
- Department of Haematology and Oncology, University Hospital, Pilsen, Czech Republic
| | - Edgar Faber
- Department of Hemato-Oncology, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Tomáš Papajík
- Department of Hemato-Oncology, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
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27
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Sui J, Chen Q, Zhang Y, Sheng Y, Wu J, Li J, Weng X, Chen B. Identifying leukemia-associated immunophenotype-based individualized minimal residual disease in acute myeloid leukemia and its prognostic significance. Am J Hematol 2019; 94:528-538. [PMID: 30734356 DOI: 10.1002/ajh.25431] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 02/01/2019] [Accepted: 02/05/2019] [Indexed: 12/25/2022]
Abstract
Based on the leukemia-associated immunophenotypes (LAIPs), minimal residual disease (MRD) related to the outcome can be detected by multiparameter flow cytometry in acute myeloid leukemia (AML) patients. Although 0.1% was commonly used as a cutoff value, measurable MRD or MRD level below 0.1% has also been associated with prognostic significance and more sensitive thresholds (<0.1%) are required for improving AML prognosis prediction. In this study, 292 adult patients diagnosed with AML (non-M3) were enrolled, 36 kinds of LAIPs were identified, and the baseline expression levels in normal or regenerating bone marrows of each kind of LAIP were established, which ranged from <2.00 × 10-5 to 5.71 × 10-4 . The baseline level of each LAIP was considered as the individual threshold for MRD assessment. MRD statuses stratified by 0.1% and individual threshold were termed as 0.1%-MRD and individual-MRD, respectively. The patients of individual-MRDneg showed significantly better survival compared with those of 0.1%-MRDneg /individual-MRDpos or 0.1%-MRDpos . Multivariate analysis showed that when time points of complete remission, post the first and second consolidation courses, were considered, only individual-MRD post second consolidation presented independent prognostic value. Notably, in patients of cytogenetic/molecular low-risk (LR) or intermediate-risk (IR), the individual-MRD status could identify the patients with significantly different outcomes, while 0.1%-MRD status could not. Furthermore, among the patients of the LR or IR group which received chemotherapy only, those with individual-MRDneg status presented favorable survival, which was comparable with that of the patients accepted allogeneic hematopoietic stem cell transplantation (ASCT). This approach is useful in the selection of an ASCT strategy for clinical practice.
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Affiliation(s)
- Jing‐Ni Sui
- State Key Laboratory of Medical GenomicsShanghai Institute of Hematology, Rui Jin Hospital Affiliated to Shanghai Jiao Tong University (SJTU) School of Medicine 197 Rui Jin Road II, Shanghai China
| | - Qiu‐Sheng Chen
- State Key Laboratory of Medical GenomicsShanghai Institute of Hematology, Rui Jin Hospital Affiliated to Shanghai Jiao Tong University (SJTU) School of Medicine 197 Rui Jin Road II, Shanghai China
| | - Yun‐Xiang Zhang
- State Key Laboratory of Medical GenomicsShanghai Institute of Hematology, Rui Jin Hospital Affiliated to Shanghai Jiao Tong University (SJTU) School of Medicine 197 Rui Jin Road II, Shanghai China
| | - Yan Sheng
- State Key Laboratory of Medical GenomicsShanghai Institute of Hematology, Rui Jin Hospital Affiliated to Shanghai Jiao Tong University (SJTU) School of Medicine 197 Rui Jin Road II, Shanghai China
| | - Jing Wu
- State Key Laboratory of Medical GenomicsShanghai Institute of Hematology, Rui Jin Hospital Affiliated to Shanghai Jiao Tong University (SJTU) School of Medicine 197 Rui Jin Road II, Shanghai China
| | - Jun‐Min Li
- State Key Laboratory of Medical GenomicsShanghai Institute of Hematology, Rui Jin Hospital Affiliated to Shanghai Jiao Tong University (SJTU) School of Medicine 197 Rui Jin Road II, Shanghai China
| | - Xiang‐Qin Weng
- State Key Laboratory of Medical GenomicsShanghai Institute of Hematology, Rui Jin Hospital Affiliated to Shanghai Jiao Tong University (SJTU) School of Medicine 197 Rui Jin Road II, Shanghai China
| | - Bing Chen
- State Key Laboratory of Medical GenomicsShanghai Institute of Hematology, Rui Jin Hospital Affiliated to Shanghai Jiao Tong University (SJTU) School of Medicine 197 Rui Jin Road II, Shanghai China
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28
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Bazarbachi A, Labopin M, Battipaglia G, Djabali A, Forcade E, Arcese W, Socié G, Blaise D, Halter J, Gerull S, Cornelissen JJ, Chevallier P, Maertens J, Schaap N, El-Cheikh J, Esteve J, Nagler A, Mohty M. Allogeneic Stem Cell Transplantation for FLT3-Mutated Acute Myeloid Leukemia: In vivo T-Cell Depletion and Posttransplant Sorafenib Maintenance Improve Survival. A Retrospective Acute Leukemia Working Party-European Society for Blood and Marrow Transplant Study. Clin Hematol Int 2019; 1:58-74. [PMID: 34595412 PMCID: PMC8432385 DOI: 10.2991/chi.d.190310.001] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 02/20/2019] [Indexed: 12/23/2022] Open
Abstract
Acute myeloid leukemia (AML) with FLT3-mutation carries a poor prognosis, and allogeneic stem cell transplantation (allo-SCT) is recommended at first complete remission (CR1). We assessed 462 adults (median age 50 years) with FLT3-mutated AML allografted between 2010 and 2015 from a matched related (40%), unrelated (49%), or haploidentical donor (11%). The median follow-up of alive patients was 39 months. Day-100 acute graft versus host disease (GVHD) grades II–IV and III–IV were encountered in 26% and 9%, whereas the 2-year incidence of chronic and extensive chronic GVHD were 34% and 16%, respectively. The 2-year incidences of relapse and nonrelapse mortality were 34% and 15%, respectively. The 2-year leukemia-free survival, overall survival (OS), and GVHD relapse-free survival (GRFS) were 51%, 59%, and 38%, respectively. In multivariate analysis, NPM1-mutation, transplantation in CR1, in vivo T-cell depletion, and posttransplant sorafenib improved OS, whereas more than one induction (late CR1) negatively affected OS. Similarly, NPM1-mutation, a haploidentical donor, T-cell depletion, and sorafenib maintenance improved GRFS, whereas late CR1 or persistent disease negatively affected it. In conclusion, FLT3-mutated AML remains a challenge even following allo-SCT. In vivo T-cell depletion and posttransplant sorafenib significantly improve OS and GRFS, and may be considered as standard of care.
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Affiliation(s)
- Ali Bazarbachi
- Bone Marrow Transplantation Program, Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon.,Department of Anatomy, Cell Biology, and Physiological Sciences, American University of Beirut, Beirut, Lebanon
| | | | - Giorgia Battipaglia
- Department of hematology and cellular therapy Hopital Saint Antoine, Paris, France.,Department of hematology and cellular therapy, Hopital Saint Antoine, Université Pierre & Marie Curie, INSERM, UMRs 938, Paris, France
| | | | - Edouard Forcade
- Department of Hematology, CHU Bordeaux Hôpital Haut-leveque, Pessac, France
| | - William Arcese
- Department of Stem cell transplant, Tor Vergata University of Rome, Rome, Italy
| | - Gerard Socié
- Department of Hematology-bone marrow transplant, Hopital Saint Louis, Paris, France
| | - Didier Blaise
- Department of Hematology, programme de Transplantation & Therapie Cellulaire, Centre de Recherche en Cancérologie de Marseille, Institut Paoli Calmettes, Marseille, France
| | - Joerg Halter
- Department of Hematology, University Hospital Basel, Basel, Switzerland
| | - Sabine Gerull
- Department of Hematology, University Hospital Basel, Basel, Switzerland
| | - Jan J Cornelissen
- Department of Hematology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, Rotterdam, Netherlands
| | | | - Johan Maertens
- Department of Hematology, University Hospital Gasthuisberg, Leuven, Belgium
| | - Nicolaas Schaap
- Department of Hematology, Nijmegen Medical Centre, Nijmegen, Netherlands
| | - Jean El-Cheikh
- Bone Marrow Transplantation Program, Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Jordi Esteve
- Hematology Department, IDIBAPS, Hospital Clinic, Barcelona, Spain
| | - Arnon Nagler
- Department of Hematology, Chaim Sheba Medical Center, Tel-Hashomer, Israel
| | - Mohamad Mohty
- Department of hematology and cellular therapy Hopital Saint Antoine, Paris, France.,Department of hematology and cellular therapy, Hopital Saint Antoine, Université Pierre & Marie Curie, INSERM, UMRs 938, Paris, France
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29
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A next-generation sequencing-based assay for minimal residual disease assessment in AML patients with FLT3-ITD mutations. Blood Adv 2019; 2:825-831. [PMID: 29643105 DOI: 10.1182/bloodadvances.2018015925] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 03/13/2018] [Indexed: 12/22/2022] Open
Abstract
Internal tandem duplications in fms-like tyrosine kinase 3 (FLT3-ITDs) are common in acute myeloid leukemia (AML) and confer a poor prognosis. A sensitive and specific assay for the detection of minimal residual disease (MRD) in FLT3-ITD mutated AML could guide therapy decisions. Existing assays for MRD in FLT3-ITD AML have not been particularly useful because of limited sensitivity. We developed a sensitive and specific MRD assay for FLT3-ITD mutations using next-generation sequencing. The initial validation of this assay was performed by spiking fixed amounts of mutant DNA into wild-type DNA to establish a sensitivity of detection equivalent to ≥1 FLT3-ITD-containing cell in 10 000, with a minimum input of 100 000 cell equivalents of DNA. We subsequently validated the assay in bone marrow samples from patients with FLT3-ITD AML in remission. Finally, we analyzed bone marrow samples from 80 patients with FLT3-ITD relapsed/refractory AML participating in a trial of a novel FLT3 inhibitor, gilteritinib, and demonstrated a relationship between the mutation burden, as detected by the assay, and overall survival. This novel MRD assay is specific and 2 orders of magnitude more sensitive than currently available polymerase chain reaction- or next-generation sequencing-based FLT3-ITD assays. The assay is being prospectively validated in ongoing randomized clinical trials.
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Buccisano F, Hourigan CS, Walter RB. The Prognostic Significance of Measurable ("Minimal") Residual Disease in Acute Myeloid Leukemia. Curr Hematol Malig Rep 2018; 12:547-556. [PMID: 29027628 DOI: 10.1007/s11899-017-0420-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
PURPOSE OF REVIEW The purpose of this review was to evaluate recent literature on detection methodologies for, and prognostic significance of, measurable ("minimal") residual disease (MRD) in acute myeloid leukemia (AML). RECENT FINDINGS There is no "one-fits-all" approach to MRD testing in AML. Most exploited to date are methods relying on immunophenotypic aberrancies (identified via multiparameter flow cytometry) or genetic abnormalities (identified via PCR-based assays). Current methods have important shortcomings, including the lack of assay platform standardization/harmonization across laboratories. In parallel to refinements of existing technologies and data analysis/interpretation, new methodologies (e.g., next-generation sequencing-based assays) are emerging that eventually may complement or replace existing ones. This dynamic evolution of MRD testing has complicated comparisons between individual studies. Nonetheless, an ever-growing body of data demonstrates that a positive MRD test at various time points throughout chemotherapy and hematopoietic cell transplantation identifies patients at particularly high risks of disease recurrence and short survival even after adjustment for other risk factors.
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Affiliation(s)
- Francesco Buccisano
- Department of Biomedicine and Prevention, Hematology, University Tor Vergata, Via Montpellier 1, 00133, Rome, Italy.
| | - Christopher S Hourigan
- Myeloid Malignancies Section, Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Roland B Walter
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA.,Department of Medicine, Division of Hematology, University of Washington, Seattle, WA, USA.,Department of Epidemiology, University of Washington, Seattle, WA, USA
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31
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Canaani J, Labopin M, Huang XJ, Arcese W, Ciceri F, Blaise D, Irrera G, Corral LL, Bruno B, Santarone S, Van Lint MT, Vitek A, Esteve J, Mohty M, Nagler A. T-cell replete haploidentical stem cell transplantation attenuates the prognostic impact of FLT3-ITD in acute myeloid leukemia: A report from the Acute Leukemia Working Party of the European Society for Blood and Marrow Transplantation. Am J Hematol 2018; 93:736-744. [PMID: 29498106 DOI: 10.1002/ajh.25082] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Revised: 02/23/2018] [Accepted: 02/26/2018] [Indexed: 12/18/2022]
Abstract
Acute myeloid leukemia (AML) patients harboring the FLT3-ITD mutation are considered a high risk patient subset preferentially allocated for allogeneic stem cell transplantation in first remission. Whether FLT3-ITD retains a prognostic role in haploidentical stem cell transplantation (haplo-SCT) is unknown. To analyze the prognostic impact of FLT3-ITD in haplo-SCT, we performed a retrospective analysis of the multicenter registry of the acute leukemia working party of the European Society for Blood and Marrow Transplantation. We included all adult AML patients with known FLT3 status who underwent a first T-cell replete related haplo-HCT in first complete remission from 2005 to 2016. We evaluated 293 patients of whom 202 were FLT3wt and 91 were FLT3-ITD mutated. FLT3-ITD patients were more likely to be NPM1 mutated as well as be in the intermediate risk cytogenetic risk category. In multivariate analysis, patients with FLT3-ITD had comparable rates of relapse incidence [Hazard ratio (HR) = 1.34, confidence interval (CI) 95%, 0.67-2.7; P = .9] and leukemia-free survival (HR = 0.99, CI 95%, 0.62-1.57; P = .9) to those of FLT3wt patients. Overall survival, the incidence of nonrelapse mortality, and graft versus host disease-free/relapse-free survival were not significantly impacted by FLT3-ITD status. Furthermore, relapse and overall survival were comparable between FLT3-ITD patients transplanted from various donor pools, namely matched siblings, unrelated donors, haplo-SCT). Finally, subset analysis of patients with intermediate risk cytogenetics confirmed the absence of a prognostic impact of FLT3-ITD also for this patient segment. In AML patients undergoing T-cell replete haplo-SCT, the FLT3-ITD mutation possibly does not retain its prognostic significance.
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Affiliation(s)
- Jonathan Canaani
- Chaim Sheba Medical Center, Hematology Division, Tel Aviv University, Tel-Hashomer, Israel
| | - Myriam Labopin
- Acute Leukemia Working Party - EBMT and Department of Hematology and Cell Therapy, Hôpital Saint-Antoine, Paris, France
| | - Xiao-Jun Huang
- Peking University Peoplés Hospital, Institute of Haematology, Xicheng District, Beijing, China
| | - William Arcese
- Tor Vergatä University of Rome, Stem Cell Transplant Unit, Policlinico Universitario Tor Vergata, Rome, Italy
| | - Fabio Ciceri
- Ospedale San Raffaele s.r.l., Haematology and BMT, Milano, Italy
| | - Didier Blaise
- Programme de Transplantation&Therapie Cellulaire, Centre de Recherche en Cancérologie de Marseille, Institut Paoli Calmettes, Marseille, France
| | - Giuseppe Irrera
- Centro Unico Regionale Trapianti, Azienda Ospedaliera, Alberto Neri, Reggio Calabria, Italy
| | | | - Benedetto Bruno
- S.S.C.V.D Trapianto di Cellule Staminali, A.O.U Citta della Salute e della Scienza di Torino, Torino, Italy
| | - Stella Santarone
- Ospedale Civile, Dipartimento di Ematologia, Medicina Trasfusionale e Biotecnologie, Pescara, Italy
| | | | - Antonin Vitek
- Institute of Hematology and Blood Transfusion, Prague, Czech Republic
| | - Jordi Esteve
- Department of Hematology, Hospital Clínic, Barcelona, Spain
| | - Mohamad Mohty
- Acute Leukemia Working Party - EBMT and Department of Hematology and Cell Therapy, Hôpital Saint-Antoine, Paris, France
| | - Arnon Nagler
- Chaim Sheba Medical Center, Hematology Division, Tel Aviv University, Tel-Hashomer, Israel
- Acute Leukemia Working Party - EBMT and Department of Hematology and Cell Therapy, Hôpital Saint-Antoine, Paris, France
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32
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Liu G, Claret FX, Zhou F, Pan Y. Jab1/COPS5 as a Novel Biomarker for Diagnosis, Prognosis, Therapy Prediction and Therapeutic Tools for Human Cancer. Front Pharmacol 2018. [PMID: 29535627 PMCID: PMC5835092 DOI: 10.3389/fphar.2018.00135] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
C-Jun activation domain-binding protein-1 (Jab1) involves in controlling cellular proliferation, cell cycle, apoptosis, affecting a series of pathways, as well as regulating genomic instability and DNA damage response (DDR). Jab1/COPS5 dysregulation contributes to oncogenesis by deactivating several tumor suppressors and activating oncogenes. Jab1 overexpression was found in many tumor types, illuminating its important role in cancer initiation, progression, and prognosis. Jab1/COPS5 has spurred a strong research interest in developing inhibitors of oncogenes/oncoproteins for cancer therapy. In this paper, we present evidences demonstrating the importance of Jab1/COPS5 overexpression in several cancer types and recent advances in dissecting the Jab1/COPS5 upstream and downstream signaling pathways. By conducting ingenuity pathway analysis (IPA) based on the Ingenuity Knowledge Base, we investigated signaling network that interacts with Jab1/COPS5. The data confirmed the important role of Jab1/COPS5 in tumorigenesis, demonstrating the potential of Jab1/COPS5 to be used as a biomarker for cancer patients, and further support that Jab1/COPS5 may serve as a potential therapeutic target in different cancers.
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Affiliation(s)
- Guohong Liu
- Department of Radiology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China.,Department of Systems Biology, The University of Texas, MD Anderson Cancer Center, Houston, TX, United States
| | - Francois X Claret
- Department of Systems Biology, The University of Texas, MD Anderson Cancer Center, Houston, TX, United States
| | - Fuling Zhou
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - Yunbao Pan
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China.,Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
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33
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Ciurea SO. Allogeneic stem cell transplantation for FLT3 mutated acute myeloid leukemia in first complete remission: does age really matter? Haematologica 2018; 103:191-193. [PMID: 29386373 DOI: 10.3324/haematol.2017.186346] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Stefan O Ciurea
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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34
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Poiré X, Labopin M, Polge E, Passweg J, Craddock C, Blaise D, Cornelissen JJ, Volin L, Russell NH, Socié G, Michallet M, Fegueux N, Chevallier P, Brecht A, Hunault-Berger M, Mohty M, Esteve J, Nagler A. Allogeneic stem cell transplantation benefits for patients ≥ 60 years with acute myeloid leukemia and FLT3 internal tandem duplication: a study from the Acute Leukemia Working Party of the European Society for Blood and Marrow Transplantation. Haematologica 2017; 103:256-265. [PMID: 29242299 PMCID: PMC5792270 DOI: 10.3324/haematol.2017.178251] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 12/07/2017] [Indexed: 11/17/2022] Open
Abstract
Intermediate-risk cytogenetic acute myeloid leukemia with an internal tandem duplication of FLT3 (FLT3-ITD) is associated with a high risk of relapse, and is now a standard indication for allogeneic stem cell transplantation. Nevertheless, most studies supporting this strategy have been performed in young patients. To address the benefit of allogeneic transplantation in the elderly, we made a selection from the European Society for Blood and Marrow Transplantation registry of de novo intermediate-risk cytogenetic acute myeloid leukemia harboring FLT3-ITD in patients aged 60 or over and transplanted from a related or unrelated donor between January 2000 and December 2015. Two hundred and ninety-one patients were identified. Most patients received a reduced-intensity conditioning (82%), while donors consisted of an unrelated donor in 161 (55%) patients. Two hundred and twelve patients received their transplantation in first remission, 37 in second remission and 42 in a more advanced stage of the disease. The 2-year leukemia-free survival rate was 56% in patients in first remission, 22% in those in second remission and 10% in patients with active disease, respectively (P<0.005). Non-relapse mortality for the entire cohort was 20%. In multivariate analysis, disease status at transplantation was the most powerful predictor of worse leukemia-free survival, graft-versus-host disease and relapse-free survival, and overall survival. In this elderly population, age was not associated with outcome. Based on the current results, allogeneic transplantation translates into a favorable outcome in fit patients ≥ 60 with FLT3-ITD acute myeloid leukemia in first remission, similarly to current treatment recommendations for younger patients.
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Affiliation(s)
- Xavier Poiré
- Section of Hematology, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Myriam Labopin
- Acute Leukemia Working Party of the EBMT.,Service d'Hématologie, Hôpital Saint-Antoine, Paris, France
| | - Emmanuelle Polge
- Acute Leukemia Working Party of the EBMT.,Service d'Hématologie, Hôpital Saint-Antoine, Paris, France
| | | | - Charles Craddock
- Center for Clinical Haematology, Queen Elizabeth Hospital, Birmingham, UK
| | - Didier Blaise
- Programme de Transplantation et Thérapie Cellulaire, Centre de Recherche en Cancérologie de Marseille, Institut Paoli Calmettes, France
| | - Jan J Cornelissen
- Daniel den Hoed Cancer Centre, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Liisa Volin
- Stem Cell Transplantation Unit, HUH Comprehensive Cancer Center, Helsinki, Finland
| | | | - Gérard Socié
- Department of Hematology, Hôpital Saint-Louis, Paris, France
| | | | - Nathalie Fegueux
- Département d'Hématologie Clinique, CHU Lapeyronie, Montpellier, France
| | | | - Arne Brecht
- Deutsche Klinik für Diagnostik, KMT Zentrum, Wiesbaden, Germany
| | | | - Mohamad Mohty
- Acute Leukemia Working Party of the EBMT.,Service d'Hématologie, Hôpital Saint-Antoine, Paris, France
| | - Jordi Esteve
- Hematology Department, IDIBAPS, Hospital Clinic, Barcelona, Spain
| | - Arnon Nagler
- Acute Leukemia Working Party of the EBMT.,Chaim Sheba Medical Center, Tel-Hashomer, Israel
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35
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Gorin NC, Labopin M, Pabst T, Remenyi P, Wu D, Huynh A, Volin L, Cahn JY, Yakoub-Agha I, Mercier M, Houhou M, Mohty M, Nagler A. Unrelated matched versus autologous transplantation in adult patients with good and intermediate risk acute myelogenous leukemia in first molecular remission. Am J Hematol 2017; 92:1318-1323. [PMID: 28960419 DOI: 10.1002/ajh.24904] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 09/05/2017] [Accepted: 09/07/2017] [Indexed: 01/18/2023]
Abstract
Patients with Acute Myelogenous Leukemia have a better outcome if reaching molecular remission. We compared the outcome of 373 patients autografted and 335 patients allografted with a 10/10 compatible unrelated donor in first molecular remission. Patients were stratified using the ELN European Leukemia Net classification. ELN favorable group: (234 auto and 70 unrelated transplants). By univariate analysis, in the auto group, the Non Relapse Mortality (NRM) was lower (3.7% versus 19%; P < 10-4 ), Relapse Incidence (RI) higher (29% versus 17%, P < 10-4 ), Leukemia Free Survival (LFS) identical (67% versus 64%) and Overall Survival (OS) better than in the allogeneic group (83% versus 62%; P = .008). By multivariate analysis, autologous transplantation was associated with a lower NRM (HR: 4, P = .01) and a better OS (HR: 2.08, P = .04). ELN intermediate group 1: (87 autologous and 172 unrelated transplants). By univariate analysis, in the auto group, NRM was lower (2.5% versus 11.8%; P = .03), RI higher (59% versus 18%, P < 10-6 ), LFS lower (39% versus 70%; P < 10-6 ) and OS lower than in the unrelated donor group (61% versus 74%; P = .005). By multivariate analysis, unrelated donor was superior to autologous transplantation for LFS (HR: 0.36, P < 10-5) and OS (HR: 0.53, P = .01). ELN intermediate group 2: (52 autologous and 93 unrelated donors). The outcome was identical. We conclude that good risk patients get higher benefit from autologous transplantation. Intermediate risk 2 patients have the same outcome and Intermediate risk 1 patients get higher benefit from unrelated donor transplants.
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Affiliation(s)
- Norbert-Claude Gorin
- Department of Hematology and Cell Therapy and EBMT Paris Office; Hôpital Saint-Antoine APHP, INSERM U 938, Université Pierre et Marie Curie UPMC; Paris France
| | - Myriam Labopin
- Department of Hematology and Cell Therapy and EBMT Paris Office; Hôpital Saint-Antoine APHP, INSERM U 938, Université Pierre et Marie Curie UPMC; Paris France
| | - Thomas Pabst
- Department of Oncology; University Hospital Bern; 3010 Bern Switzerland
| | - Peter Remenyi
- Department of Hematology and Stem Cell Transplant; Saint István and Saint Laszlo Hospital, Semmelweis University; Budapest Hungary
| | - Depei Wu
- Department of Hematology; First Affiliated Hospital of Soochow University; 215006 Suzhou Jiangsu China
| | - Anne Huynh
- Institut Universitaire du Cancer Toulouse, Oncopole, I.U.C.T-O; 31059 Toulouse France
| | - Liisa Volin
- HUCH Comprehensive Cancer Center Stem Cell Transplantation Unit; Helsinki Finland
| | - Jean Yves Cahn
- CHU Grenoble Alpes, Hématologie Clinique; Grenoble France
| | | | | | - Mohamed Houhou
- Department of Hematology and Cell Therapy and EBMT Paris Office; Hôpital Saint-Antoine APHP, INSERM U 938, Université Pierre et Marie Curie UPMC; Paris France
| | - Mohamad Mohty
- Department of Hematology and Cell Therapy and EBMT Paris Office; Hôpital Saint-Antoine APHP, INSERM U 938, Université Pierre et Marie Curie UPMC; Paris France
| | - Arnon Nagler
- Department of Hematology and Cell Therapy and EBMT Paris Office; Hôpital Saint-Antoine APHP, INSERM U 938, Université Pierre et Marie Curie UPMC; Paris France
- Hematology and Bone Marrow Transplantation, Chaim Sheba Medical Center, EBMT ALWP Chair; Tel Hashomer Israel
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36
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Zhang C, Bai G, Zhu W, Bai D, Bi G. Identification of miRNA-mRNA Network Associated with Acute Myeloid Leukemia Survival. Med Sci Monit 2017; 23:4705-4714. [PMID: 28965123 PMCID: PMC5634225 DOI: 10.12659/msm.903989] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background Acute myeloid leukemia (AML) is a common hematologic malignancy of adults. The pathophysiological mechanism of AML is not well understood. The purpose of this study was to examine the crucial miRNAs and mRNAs associated with AML survival. Material/Methods The full clinical dataset of miRNA and mRNA expression profiling of AML patients was downloaded from The Cancer Genome Atlas database. Univariate Cox regression analysis was performed to obtain those miRNAs and mRNAs associated with AML survival. A miRNA-mRNA interaction network was constructed. The underlying functions of mRNAs were predicted through Kyoto Encyclopedia of Genes and Genomes (KEEG) pathway enrichment. The expression levels of miRNAs and mRNAs were detected by quantitative real-time polymerase chain reaction (qRT-PCR). Results Fourteen miRNAs and 830 mRNAs associated with AML survival were identified. Of the 14 miRNAs, hsa-mir-425, hsa-mir-1201, and hsa-mir-1978 were identified as risk factors and the other 11 miRNAs were identified as protective factors of AML survival. For target-genes of miRNAs, GTSF1, RTN4R, and CD44 were the top risk factor target-genes associated with AML survival. An interaction network was constructed that including 607 miRNA-target gene pairs associated with AML survival. Target-genes associated with AML survival were significantly enriched in several pathways including pancreatic secretion, calcium signaling pathway, natural killer cell mediated cytotoxicity, and Alzheimer’s disease. The qRT-PCR results were consistent with our bioinformatics analyses. Conclusions The miRNA hsa-mir-425 was identified as the top risk factor miRNA of AML survival and CD44 was identified as one of the top three risk factor target-genes associated with AML survival. Both hsa-mir-425 and CD44 may play key roles in progression and development of AML through calcium signaling pathway and natural killer cell mediated cytotoxicity.
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Affiliation(s)
- Chunmei Zhang
- Department of Hematology, Taian City Central Hospital, Taian, Shandong, China (mainland)
| | - Guanchen Bai
- Department of Hematology, Taian City Central Hospital, Taian, Shandong, China (mainland)
| | - Weijie Zhu
- Clinical Medicine Major (the Experimental Class of Excellent Doctor) Class 1 of Year 2013, Department of Basic Medicine, Taishan Medicine University, Taian, Shangdong, China (mainland)
| | - Dongfang Bai
- Department of Endocrinology, Taian City Central Hospital, Taian, Shandong, China (mainland)
| | - Gaofeng Bi
- Department of Hematology, Taian City Central Hospital, Taian, Shandong, China (mainland)
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37
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Allogeneic Hematopoietic Cell Transplantation for Older Patients: Prognosis Determined by Disease Risk Index. Biol Blood Marrow Transplant 2017; 23:1485-1490. [PMID: 28522345 DOI: 10.1016/j.bbmt.2017.05.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 05/11/2017] [Indexed: 12/28/2022]
Abstract
The treatment of elderly patients with advanced hematological malignancies has expanded to include reduced-intensity conditioning (RIC) allogeneic hematopoietic cell transplantation (alloHCT) as a potentially curative option. We studied the association between Disease Risk Index (DRI) and clinical outcomes of 196 elderly patients (median age, 64.8; range, 60 to 75 years) with hematological malignancies receiving RIC alloHCT (2000 to 2014). Donors were related and unrelated adults (n = 100, 51.1%) or umbilical cord blood (n = 96, 48.9%). DRI classified 12 patients (6.1%) as low risk (LR), 146 patients (74.5%) as intermediate risk (IR), and 38 patients (19.4%) as high risk (HR). Two-year overall survival (OS) was 47% (52% for LR/IR versus 29% for HR, P < .01) and 2-year disease-free survival was 39% (44% for LR/IR versus 21% for HR, P < .01). Relapse incidence was 30% (26% for LR/IR versus 44% for HR, P < .01). Treatment-related mortality was 29% at 2 years; this was similar for all DRI groups. In multiple regression analysis, HR DRI was associated with increased risk of relapse (hazard ratio, 2.07; 95% confidence interval [CI], 1.34 to 3.33; P = .02) and treatment failure (hazard ratio, 2.07; 95% CI, 1.35 to 3.18; P < .01) and decreased OS (hazard ratio, 2.11; 95% CI, 1.34 to 3.33; P < .01). In elderly patients, DRI is a significant prognostic factor for post-transplantation relapse, treatment failure, and mortality. Because of increased risk of relapse leading to poor survival in HR DRI, participation in clinical trials offering relapse prevention strategies after RIC alloHCT should be encouraged when available.
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38
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De Marchi F, Candoni A, Zannier ME, Haley L, Lau BWY, Fanin R. Concomitant monitoring of WT1 and FLT3-ITD expression in FLT3-ITD acute myeloid leukemia patients: which should we trust as a minimal residual disease marker? Am J Hematol 2017; 92:E72-E74. [PMID: 28211167 DOI: 10.1002/ajh.24686] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 02/13/2017] [Accepted: 02/14/2017] [Indexed: 11/12/2022]
Affiliation(s)
- Federico De Marchi
- Division of Hematology and BMTDepartment of Experimental and Clinical Medical Sciences, Azienda Sanitaria Universitaria Integrata di UdineUdine Italy
- Department of PathologyJohns Hopkins University School of Medicine, Johns Hopkins HospitalBaltimore MD21287 USA
| | - Anna Candoni
- Division of Hematology and BMTDepartment of Experimental and Clinical Medical Sciences, Azienda Sanitaria Universitaria Integrata di UdineUdine Italy
| | - Maria Elena Zannier
- Division of Hematology and BMTDepartment of Experimental and Clinical Medical Sciences, Azienda Sanitaria Universitaria Integrata di UdineUdine Italy
| | - Lisa Haley
- Department of PathologyJohns Hopkins University School of Medicine, Johns Hopkins HospitalBaltimore MD21287 USA
| | - Bonnie Wing Yin Lau
- Department of Pediatric Hematology/OncologyJohns Hopkins University School of Medicine, Johns Hopkins HospitalBaltimore MD21287 USA
| | - Renato Fanin
- Division of Hematology and BMTDepartment of Experimental and Clinical Medical Sciences, Azienda Sanitaria Universitaria Integrata di UdineUdine Italy
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39
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Zhou F, Pan Y, Wei Y, Zhang R, Bai G, Shen Q, Meng S, Le XF, Andreeff M, Claret FX. Jab1/Csn5-Thioredoxin Signaling in Relapsed Acute Monocytic Leukemia under Oxidative Stress. Clin Cancer Res 2017; 23:4450-4461. [PMID: 28270496 DOI: 10.1158/1078-0432.ccr-16-2426] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 11/01/2016] [Accepted: 03/01/2017] [Indexed: 12/28/2022]
Abstract
Purpose: High levels of ROS and ineffective antioxidant systems contribute to oxidative stress, which affects the function of hematopoietic cells in acute myeloid leukemia (AML); however, the mechanisms by which ROS lead to malignant transformation in relapsed AML-M5 are not completely understood. We hypothesized that alterations in intracellular ROS would trigger AML-M5 relapse by activating the intrinsic pathway.Experimental Design: We studied ROS levels and conducted c-Jun activation domain-binding protein-1 (JAB1/COPS5) and thioredoxin (TRX) gene expression analyses with blood samples obtained from 60 matched AML-M5 patients at diagnosis and relapse and conducted mechanism studies of Jab1's regulation of Trx in leukemia cell lines.Results: Our data showed that increased production of ROS and a low capacity of antioxidant enzymes were characteristics of AML-M5, both at diagnosis and at relapse. Consistently, increased gene expression levels of TRX and JAB1/COPS5 were associated with low overall survival rates in patients with AML-M5. In addition, stimulating AML-M5 cells with low concentrations of hydrogen peroxide led to increased Jab1 and Trx expression. Consistently, transfection of ectopic Jab1 into leukemia cells increased Trx expression, whereas silencing of Jab1 in leukemia cells reduced Trx expression. Mechanistically, Jab1 interacted with Trx and stabilized Trx protein. Moreover, Jab1 transcriptionally regulated Trx. Furthermore, depletion of Jab1 inhibited leukemia cell growth both in vitro and in vivoConclusions: We identified a novel Jab1-Trx axis that is a key cellular process in the pathobiologic characteristics of AML-M5. Targeting the ROS/Jab1/Trx pathway could be beneficial in the treatment of AML-M5. Clin Cancer Res; 23(15); 4450-61. ©2017 AACR.
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Affiliation(s)
- Fuling Zhou
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan, China. .,Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Department of Clinical Hematology, Second Affiliated Hospital, Xi'an Jiaotong University, School of Medicine, Xi'an, China
| | - Yunbao Pan
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas. .,Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yongchang Wei
- Department of Clinical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Ronghua Zhang
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Gaigai Bai
- Department of Clinical Hematology, Second Affiliated Hospital, Xi'an Jiaotong University, School of Medicine, Xi'an, China
| | - Qiuju Shen
- Department of Clinical Hematology, Second Affiliated Hospital, Xi'an Jiaotong University, School of Medicine, Xi'an, China
| | - Shan Meng
- Department of Clinical Hematology, Second Affiliated Hospital, Xi'an Jiaotong University, School of Medicine, Xi'an, China
| | - Xiao-Feng Le
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Michael Andreeff
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Francois X Claret
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas. .,Experimental Therapeutic Academic Program and Cancer Biology Program, The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, Texas
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