1
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Wu S, Liu F, Gai Y, Carter J, Edwards H, Hüttemann M, Wang G, Li C, Taub JW, Wang Y, Ge Y. Combining the novel FLT3 and MERTK dual inhibitor MRX-2843 with venetoclax results in promising antileukemic activity against FLT3-ITD AML. Leuk Res 2024; 144:107547. [PMID: 38968731 DOI: 10.1016/j.leukres.2024.107547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 05/29/2024] [Accepted: 06/21/2024] [Indexed: 07/07/2024]
Abstract
FMS-like tyrosine kinase 3 (FLT3) mutations occur in approximately one third of acute myeloid leukemia (AML) patients. FLT3-Internal tandem duplication (FLT3-ITD) mutations are the most common FLT3 mutations and are associated with a poor prognosis. Gilteritinib is a FLT3 inhibitor that is US FDA approved for treating adult patients with relapsed/refractory AML and a FLT3 mutation. While gilteritinib monotherapy has improved patient outcome, few patients achieve durable responses. Combining gilteritinib with venetoclax (VEN) appears to make further improvements, though early results suggest that patients with prior exposure to VEN fair much worse than those without prior exposure. MRX-2843 is a promising inhibitor of FLT3 and MERTK. We recently demonstrated that MRX-2843 is equally potent as gilteritinib in FLT3-ITD AML cell lines in vitro and primary patient samples ex vivo. In this study, we investigated the combination of VEN and MRX-2843 against FLT3-ITD AML cells. We found that VEN synergistically enhances cell death induced by MRX-2843 in FLT3-mutated AML cell lines and primary patient samples. Importantly, we found that VEN synergistically enhances cell death induced by MRX-2843 in FLT3-ITD AML cells with acquired resistance to cytarabine (AraC) or VEN+AraC. VEN and MRX-2843 significantly reduce colony-forming capacity of FLT3-ITD primary AML cells. Mechanistic studies show that MRX-2843 decreases Mcl-1 and c-Myc protein levels via transcriptional regulation and combined MRX-2843 and VEN significantly decreases oxidative phosphorylation in FLT3-ITD AML cells. Our findings highlight a promising combination therapy against FLT3-ITD AML, supporting further in vitro and in vivo testing.
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Affiliation(s)
- Shuangshuang Wu
- Department of Pediatric Hematology, The First Hospital of Jilin University, Changchun, PR China
| | - Fangbing Liu
- National Engineering Laboratory for AIDS Vaccine, Key Laboratory for Molecular Enzymology and Engineering, the Ministry of Education, School of Life Sciences, Jilin University, Changchun, PR China
| | - Yuqing Gai
- National Engineering Laboratory for AIDS Vaccine, Key Laboratory for Molecular Enzymology and Engineering, the Ministry of Education, School of Life Sciences, Jilin University, Changchun, PR China
| | - Jenna Carter
- Cancer Biology Graduate Program, Wayne State University School of Medicine, Detroit, MI, USA; MD/PhD Program, Wayne State University School of Medicine, Detroit, MI, USA
| | - Holly Edwards
- Department of Oncology, Wayne State University School of Medicine, Detroit, MI, USA; Molecular Therapeutics Program, Barbara Ann Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI, USA
| | - Maik Hüttemann
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI, USA
| | - Guan Wang
- National Engineering Laboratory for AIDS Vaccine, Key Laboratory for Molecular Enzymology and Engineering, the Ministry of Education, School of Life Sciences, Jilin University, Changchun, PR China
| | - Chunhuai Li
- Department of Pediatric Hematology, The First Hospital of Jilin University, Changchun, PR China
| | - Jeffrey W Taub
- Department of Pediatrics, Wayne State University School of Medicine, Detroit, MI, USA; Division of Pediatric Hematology/Oncology, Children's Hospital of Michigan, Detroit, MI, USA; Department of Pediatrics, Central Michigan University College of Medicine, Mt. Pleasant, MI, USA
| | - Yue Wang
- Department of Pediatric Hematology, The First Hospital of Jilin University, Changchun, PR China.
| | - Yubin Ge
- Cancer Biology Graduate Program, Wayne State University School of Medicine, Detroit, MI, USA; Department of Oncology, Wayne State University School of Medicine, Detroit, MI, USA; Molecular Therapeutics Program, Barbara Ann Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI, USA.
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2
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He G, Belmont E, Karrison T, Stock W, LaBelle JL, Kosuri S, Larson RA, Kline JP, Riedell PA, Nawas M, Bishop MR, Liu H. FLT3 inhibitor maintenance after allogeneic stem cell transplantation in FLT3-mutated acute myeloid leukemia (AML) patients. ANNALS OF TRANSLATIONAL MEDICINE 2024; 12:49. [PMID: 38911560 PMCID: PMC11193555 DOI: 10.21037/atm-23-1941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 01/11/2024] [Indexed: 06/25/2024]
Abstract
Background The somatic mutation of fms-like tyrosine kinase 3 (FLT3) in acute myeloid leukemia (AML) is associated with increased risk of relapse and lower survival rates. FLT3i as maintenance after allogeneic hematopoietic stem cell transplant (allo-HSCT) are under study to prevent disease relapse, but real-world data are lacking. Methods We performed a single center, retrospective cohort study and analyzed patients who had FLT3-mutated AML and underwent allogeneic-HSCT between January 2011 to June 2022 at the University of Chicago. We identified 23 patients who received FLT3i maintenance therapy post-allo-HSCT and compared their outcomes against 57 patients who did not. Primary outcome was disease-free survival (DFS). Secondary outcomes include overall survival (OS) and relapse rate. Results FLT3i maintenance therapy was started at a median 59 days (range, 29-216 days) after allo-HSCT with median duration of 287 days (range, 15-1,194 days). Maintenance therapy was well tolerated. Overall, the improvement in DFS rates for patients after they were placed on FLT3i maintenance therapy was not significant [hazard ratio (HR) for relapse or death =0.65, 95% confidence interval (CI): 0.32-1.31, P=0.23]. However, when adjusted for the conditioning regimen and donor status, the differences were statistically significant with improvement in DFS and OS for patients on FLT3i maintenance (HR for OS =0.42, 95% CI: 0.18-0.95, P=0.04). Conclusions When adjusting for conditioning regimen and donor status, there was a significant improvement in DFS and OS for patients who received FLT3i maintenance therapy compared to those who did not. Randomized prospective studies may provide more insight.
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Affiliation(s)
- Gong He
- Section of Hospital Medicine, University of Chicago, Chicago, IL, USA
| | - Erika Belmont
- Internal Medicine Residency Program, University of Chicago, Chicago, IL, USA
| | | | - Wendy Stock
- Department of Hematology/Oncology, University of Chicago, Chicago, IL, USA
| | - James L. LaBelle
- Department of Hematology/Oncology, University of Chicago, Chicago, IL, USA
| | - Satyajit Kosuri
- Department of Hematology/Oncology, University of Chicago, Chicago, IL, USA
| | - Richard A. Larson
- Department of Hematology/Oncology, University of Chicago, Chicago, IL, USA
| | - Justin P. Kline
- Department of Hematology/Oncology, University of Chicago, Chicago, IL, USA
| | - Peter A. Riedell
- Department of Hematology/Oncology, University of Chicago, Chicago, IL, USA
| | - Mariam Nawas
- Department of Hematology/Oncology, University of Chicago, Chicago, IL, USA
| | - Michael R. Bishop
- Department of Hematology/Oncology, University of Chicago, Chicago, IL, USA
| | - Hongtao Liu
- Division of Hematology, Medical Oncology and Palliative Care, Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA
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Bruzzese A, Vigna E, Martino EA, Labanca C, Mendicino F, Lucia E, Olivito V, Stanzione G, Zimbo A, Lugli E, Neri A, Morabito F, Gentile M. The potential of triplet combination therapies for patients with FLT3-ITD -mutated acute myeloid leukemia. Expert Rev Hematol 2024; 17:241-253. [PMID: 38748404 DOI: 10.1080/17474086.2024.2356258] [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: 01/28/2024] [Accepted: 05/13/2024] [Indexed: 05/21/2024]
Abstract
INTRODUCTION Acute myeloid leukemia (AML) encompasses a heterogeneous group of aggressive myeloid malignancies, where FMS-like tyrosine kinase 3 (FLT3) mutations are prevalent, accounting for approximately 25-30% of adult patients. The presence of this mutation is related to a dismal prognosis and high relapse rates. In the lasts years many FLT3 inhibitors have been developed. AREAS COVERED This review provides a comprehensive overview of FLT3mut AML, summarizing the state of art of current treatment and available data about combination strategies including an FLT3 inhibitor. EXPERT OPINION In addition, the review discusses the emergence of drug resistance and the need for a nuanced approaches in treating patients who are ineligible for or resistant to intensive chemotherapy. Specifically, it explores the historical context of FLT3 inhibitors (FLT3Is) and their impact on treatment outcomes, emphasizing the pivotal role of midostaurin, as well as gilteritinib and quizartinib, and providing detailed insights into ongoing trials exploring the safety and efficacy of novel triplet combinations involving FLT3Is in different AML settings.
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Affiliation(s)
| | - Ernesto Vigna
- Hematology Unit, Azienda Ospedaliera Annunziata, Cosenza, Italy
| | | | | | | | - Eugenio Lucia
- Hematology Unit, Azienda Ospedaliera Annunziata, Cosenza, Italy
| | | | - Gaia Stanzione
- Hematology Unit, Azienda Ospedaliera Annunziata, Cosenza, Italy
- Division of Hematology, Azienda Policlinico-S. Marco, University of Catania, Catania, Italy
| | - Annamaria Zimbo
- Hematology Unit, Azienda Ospedaliera Annunziata, Cosenza, Italy
- UOC Laboratorio Analisi Cliniche, Biomolecolari e Genetica, Azienda Ospedaliera Annunziata, Cosenza, Italy
| | - Elisabetta Lugli
- Ematologia Azienda USL-IRCSS Reggio Emilia, Emilia-Romagna, Italy
| | - Antonino Neri
- Scientific Directorate IRCCS of Reggio Emilia, Emilia-Romagna, Reggio Emilia, Italy
| | | | - Massimo Gentile
- Hematology Unit, Azienda Ospedaliera Annunziata, Cosenza, Italy
- Department of Pharmacy, Health and Nutritional Science, University of Calabria, Rende, Italy
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4
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Tecik M, Adan A. Emerging DNA Methylome Targets in FLT3-ITD-Positive Acute Myeloid Leukemia: Combination Therapy with Clinically Approved FLT3 Inhibitors. Curr Treat Options Oncol 2024; 25:719-751. [PMID: 38696033 PMCID: PMC11222205 DOI: 10.1007/s11864-024-01202-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/01/2024] [Indexed: 07/04/2024]
Abstract
OPINION STATEMENT The internal tandem duplication (ITD) mutation of the FMS-like receptor tyrosine kinase 3 (FLT3-ITD) is the most common mutation observed in approximately 30% of acute myeloid leukemia (AML) patients. It represents poor prognosis due to continuous activation of downstream growth-promoting signaling pathways such as STAT5 and PI3K/AKT. Hence, FLT3 is considered an attractive druggable target; selective small FLT3 inhibitors (FLT3Is), such as midostaurin and quizartinib, have been clinically approved. However, patients possess generally poor remission rates and acquired resistance when FLT3I used alone. Various factors in patients could cause these adverse effects including altered epigenetic regulation, causing mainly abnormal gene expression patterns. Epigenetic modifications are required for hematopoietic stem cell (HSC) self-renewal and differentiation; however, critical driver mutations have been identified in genes controlling DNA methylation (such as DNMT3A, TET2, IDH1/2). These regulators cause leukemia pathogenesis and affect disease diagnosis and prognosis when they co-occur with FLT3-ITD mutation. Therefore, understanding the role of different epigenetic alterations in FLT3-ITD AML pathogenesis and how they modulate FLT3I's activity is important to rationalize combinational treatment approaches including FLT3Is and modulators of methylation regulators or pathways. Data from ongoing pre-clinical and clinical studies will further precisely define the potential use of epigenetic therapy together with FLT3Is especially after characterized patients' mutational status in terms of FLT3 and DNA methlome regulators.
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Affiliation(s)
- Melisa Tecik
- Bioengineering Program, Graduate School of Engineering and Science, Abdullah Gul University, Kayseri, Turkey
| | - Aysun Adan
- Department of Molecular Biology and Genetics, Faculty of Life and Natural Sciences, Abdullah Gul University, Kayseri, Turkey.
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5
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Della Porta MG, Martinelli G, Rambaldi A, Santoro A, Voso MT. A practical algorithm for acute myeloid leukaemia diagnosis following the updated 2022 classifications. Crit Rev Oncol Hematol 2024; 198:104358. [PMID: 38615870 DOI: 10.1016/j.critrevonc.2024.104358] [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: 11/02/2023] [Revised: 04/05/2024] [Accepted: 04/10/2024] [Indexed: 04/16/2024] Open
Abstract
Disease classification of complex and heterogenous diseases, such as acute myeloid leukaemia (AML), is continuously updated to define diagnoses, appropriate treatments, and assist research and education. Recent availability of molecular profiling techniques further benefits the classification of AML. The World Health Organization (WHO) classification of haematolymphoid tumours and the International Consensus Classification of myeloid neoplasms and acute leukaemia from 2022 are two updated versions of the WHO 2016 classification. As a consequence, the European LeukemiaNet 2022 recommendations on the diagnosis and management of AML in adults have been also updated. The current review provides a practical interpretation of these guidelines to facilitate the diagnosis of AML and discusses genetic testing, disease genetic heterogeneity, and FLT3 mutations. We propose a practical algorithm for the speedy diagnosis of AML. Future classifications may need to incorporate gene mutation combinations to enable personalised treatment regimens in the management of patients with AML.
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Affiliation(s)
- Matteo Giovanni Della Porta
- Cancer Center, IRCCS Humanitas Research Hospital, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Milan, Italy.
| | - Giovanni Martinelli
- IRCCS Istituto Romagnolo per lo Studio dei Tumori "Dino Armadori", Meldola, Italy; University of Bologna, Bologna, Italy
| | - Alessandro Rambaldi
- Department of Oncology and Hematology, University of Milan, Milan, Italy and Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | - Alessandra Santoro
- UOSD Laboratory of Oncohematology, Cellular Manipulation and Cytogenetics, Department of Genetic, Oncohematology a Rare Disease, AOR "Villa Sofia-Cervello", Palermo, Italy
| | - Maria Teresa Voso
- UOSD Diagnostica Avanzata Oncoematologia, Policlinico Tor Vergata, and Department of Biomedicine and Prevention, Tor Vergata University, Rome, Italy
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6
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Belbachir S, Abraham A, Sharma A, Prockop S, DeZern AE, Bonfim C, Bidgoli A, Li J, Ruggeri A, Bertaina A, Boelens JJ, Purtill D. Engineering the best transplant outcome for high-risk acute myeloid leukemia: the donor, the graft and beyond. Cytotherapy 2024; 26:546-555. [PMID: 38054912 DOI: 10.1016/j.jcyt.2023.11.004] [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: 11/16/2023] [Accepted: 11/16/2023] [Indexed: 12/07/2023]
Abstract
Allogeneic hemopoietic cell transplantation remains the goal of therapy for high-risk acute myeloid leukemia (AML). However, treatment failure in the form of leukemia relapse or severe graft-versus-host disease remains a critical area of unmet need. Recently, significant progress has been made in the cell therapy-based interventions both before and after transplant. In this review, the Stem Cell Engineering Committee of the International Society for Cell and Gene Therapy summarizes the literature regarding the identification of high risk in AML, treatment approaches before transplant, optimal transplant platforms and measures that may be taken after transplant to ideally prevent, or, if need be, treat AML relapse. Although some strategies remain in the early phases of clinical investigation, they are built on progress in pre-clinical research and cellular engineering techniques that are already improving outcomes for children and adults with high-risk malignancies.
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Affiliation(s)
- Safia Belbachir
- Haematology Department, Fiona Stanley Hospital, Perth, Western Australia, Australia
| | - Allistair Abraham
- Center for Cancer and Immunology Research, CETI, Children's National Hospital, Washington, District of Columbia, USA
| | - Akshay Sharma
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Susan Prockop
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, Massachusetts USA
| | - Amy E DeZern
- Bone Marrow Failure and MDS Program, John Hopkins Medicine, Baltimore, Maryland, USA
| | - Carmem Bonfim
- Pediatric Blood and Marrow Transplantation Division/Instituto de Pesquisa Pele Pequeno Principe Research/Faculdades Pequeno Príncipe, Curitiba, Brazil
| | - Alan Bidgoli
- Division of Blood and Marrow Transplantation, Children's Healthcare of Atlanta, Aflac Blood and Cancer Disorders Center, Emory University, Atlanta, Georgia, USA
| | - Jinjing Li
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, New South Wales, Australia
| | | | - Alice Bertaina
- Division of Hematology, Oncology, Stem Cell Transplantation and Regenerative Medicine, Department of Pediatrics, Stanford University, Stanford, California, USA
| | - Jaap Jan Boelens
- Stem Cell Transplantation and Cellular Therapies, Memorial Sloan Kettering Cancer Center, and Department of Pediatrics, Weill Cornell Medical College of Cornell University, New York, New York, USA
| | - Duncan Purtill
- Haematology Department, Fiona Stanley Hospital, Perth, Western Australia, Australia; PathWest Laboratory Medicine, Perth, Western Australia, Australia.
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7
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Shah M, El Chaer F, Ho DY, El Boghdadly Z. Managing infectious challenges in the age of molecular-targeted therapies for adult hematological malignancies. Transpl Infect Dis 2024; 26:e14283. [PMID: 38698640 DOI: 10.1111/tid.14283] [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: 11/15/2023] [Revised: 03/15/2024] [Accepted: 04/02/2024] [Indexed: 05/05/2024]
Abstract
Over the last decade, the therapeutic landscape for hematological malignancies (HMs) has witnessed a remarkable surge in the development of novel biological and small-molecule-targeted immunomodulatory agents. These therapies have drastically improved survival, but some come at the cost of increased risk of bacterial, viral, and/or fungal infections and on-target off-tumor immunological side effects. To mitigate such risks, physicians must be well informed about infectious complications and necessary preventive measures, such as screening, vaccinations, and antimicrobial prophylaxis. Furthermore, physicians should be vigilant about the noninfectious side effects of these agents that can mimic infections and understand their potential drug-drug interactions with antimicrobials. Strengthening and harmonizing the current surveillance and reporting system for drug-associated infections in real-world settings is essential to better ascertain the potential infections associated with these agents. In this review, we aimed to summarize the infection risks associated with novel agents used for specific HMs and outline recommended strategies for monitoring and prophylaxis.
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Affiliation(s)
- Manan Shah
- Division of Hematology and Medical Oncology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio, USA
| | - Firas El Chaer
- Division of Hematology and Oncology, Department of Medicine, The University of Virginia, Charlottesville, Virginia, USA
| | - Dora Y Ho
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University, Stanford, Virginia, USA
| | - Zeinab El Boghdadly
- Division of Infectious Diseases, Department of Internal Medicine, The Ohio State University, Columbus, Ohio, USA
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8
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Kugler E, Cohen I, Amitai I, Ram R, Frisch A, Nachmias B, Canaani J, Moshe Y, Krayem B, Aumann S, Henig I, Vainstein V, Shargian L, Ganzel C, Yeshurun M, Levi I, Raanani P, Akria L, Ofran Y, Shimony S, Wolach O. Gilteritinib with or without venetoclax for relapsed/refractory FLT3-mutated acute myeloid leukaemia. Br J Haematol 2024. [PMID: 38782575 DOI: 10.1111/bjh.19548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 05/10/2024] [Indexed: 05/25/2024]
Abstract
Patients with FLT3-mutated acute myeloid leukaemia (AML) that relapse or are refractory (R/R) to intensive induction have poor outcomes. Gilteritinib has recently become standard-of-care for patients with R/R FLT3-mutated AML. We investigated whether adding venetoclax to gilteritinib (gilt-ven) improves outcomes as compared with gilteritinib monotherapy. We included patients treated with gilteritinib (n = 19) and gilt-ven (n = 17) for R/R AML after intensive chemotherapy. Gilteritinib and gilt-ven groups did not differ in terms of mCRc rates (53% and 65%, p = 0.51) and realization of allogeneic haematopoietic stem-cell transplantation (HSCT, 47% and 35%, p = 0.5). Overall survival (OS) was comparable between groups, although a trend towards better OS was seen with gilt-ven (12-month OS 58.8% [95% CI 39.5%-87.6%]) versus gilteritinib (42.1% [95% CI 24.9%-71.3%] for gilteritinib). Early salvage with gilt-ven versus any other gilteritinib-based approach was associated with the best outcome (p = 0.031). Combination therapy was associated with increased haematological toxicity. In summary, gilt-ven did not improve remissions or HSCT-realization rates in patients with R/R FLT3-mutated AML as compared with gilteritinib and was associated with increased haematological toxicity. Although OS did not differ, a trend towards better survival was suggested with gilt-ven and a survival benefit was shown for gilt-ven approach when sequenced early for salvage.
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Affiliation(s)
- Eitan Kugler
- Institute of Haematology, Davidoff Cancer Center, Rabin Medical Center-Beilinson Hospital, Petach Tikva, Israel
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
- The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Inbar Cohen
- Institute of Haematology, Davidoff Cancer Center, Rabin Medical Center-Beilinson Hospital, Petach Tikva, Israel
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Irina Amitai
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
- Haematology Division, Chaim Sheba Medical Center, Tel Hashomer, Israel
| | - Ron Ram
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
- Institute of Haematology, Tel-Aviv Sourasky Medical Center (TLVMC), Tel-Aviv, Israel
| | - Avraham Frisch
- Department of Haematology and Bone Marrow Transplantation, Rambam Health Care Campus, Haifa, Israel
- Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
| | - Boaz Nachmias
- Department of Haematology, Hadassah Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Jonathan Canaani
- Weill Medical College of Cornell University, New York, New York, USA
| | - Yakir Moshe
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
- Institute of Haematology, Tel-Aviv Sourasky Medical Center (TLVMC), Tel-Aviv, Israel
| | - Baher Krayem
- Department of Haematology and Bone Marrow Transplantation, Rambam Health Care Campus, Haifa, Israel
- Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
| | - Shlomzion Aumann
- Department of Haematology, Hadassah Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Israel Henig
- Department of Haematology and Bone Marrow Transplantation, Rambam Health Care Campus, Haifa, Israel
- Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
| | - Vladimir Vainstein
- Department of Haematology, Hadassah Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Liat Shargian
- Institute of Haematology, Davidoff Cancer Center, Rabin Medical Center-Beilinson Hospital, Petach Tikva, Israel
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Chezi Ganzel
- Department of Haematology, Shaare Zedek Medical Center, Faculty of Medicine, Hebrew University, Jerusalem, Israel
| | - Moshe Yeshurun
- Institute of Haematology, Davidoff Cancer Center, Rabin Medical Center-Beilinson Hospital, Petach Tikva, Israel
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Itay Levi
- Haematology Institute, Soroka Medical Center, Beer-Sheba, Israel
| | - Pia Raanani
- Institute of Haematology, Davidoff Cancer Center, Rabin Medical Center-Beilinson Hospital, Petach Tikva, Israel
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Luiza Akria
- Department of Haematology, Galilee Medical Center, Naharyia, Azrieli Faculty of Medicine Bar Ilan University, Sefad, Israel
| | - Yishai Ofran
- Department of Haematology, Shaare Zedek Medical Center, Faculty of Medicine, Hebrew University, Jerusalem, Israel
| | - Shai Shimony
- Institute of Haematology, Davidoff Cancer Center, Rabin Medical Center-Beilinson Hospital, Petach Tikva, Israel
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
- Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Ofir Wolach
- Institute of Haematology, Davidoff Cancer Center, Rabin Medical Center-Beilinson Hospital, Petach Tikva, Israel
- Faculty of Medical and Health Sciences, Tel Aviv University, Tel Aviv, Israel
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9
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Zheng X, Chen Z, Guo M, Liang H, Song X, Liu Y, Liao Z, Zhang Y, Guo J, Zhou Y, Zhang ZM, Tu Z, Zhang Y, Chen Y, Zhang Z, Lu X. Structure-Based Optimization of Pyrazinamide-Containing Macrocyclic Derivatives as Fms-like Tyrosine Kinase 3 (FLT3) Inhibitors to Overcome Clinical Mutations. ACS Pharmacol Transl Sci 2024; 7:1485-1506. [PMID: 38751627 PMCID: PMC11092118 DOI: 10.1021/acsptsci.4c00071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/26/2024] [Accepted: 03/27/2024] [Indexed: 05/18/2024]
Abstract
Secondary mutations in Fms-like tyrosine kinase 3-tyrosine kinase domain (FLT3-TKD) (e.g., D835Y and F691L) have become a major on-target resistance mechanism of FLT3 inhibitors, which present a significant clinical challenge. To date, no effective drugs have been approved to simultaneously overcome clinical resistance caused by these two mutants. Thus, a series of pyrazinamide macrocyclic compounds were first designed and evaluated to overcome the secondary mutations of FLT3. The representative 8v exhibited potent inhibitory activities against FLT3D835Y and FLT3D835Y/F691L with IC50 values of 1.5 and 9.7 nM, respectively. 8v also strongly suppressed the proliferation against Ba/F3 cells transfected with FLT3-ITD, FLT3-ITD-D835Y, FLT3-ITD-F691L, FLT3-ITD-D835Y-F691L, and MV4-11 acute myeloid leukemia (AML) cell lines with IC50 values of 12.2, 10.5, 24.6, 16.9, and 6.8 nM, respectively. Furthermore, 8v demonstrated ideal anticancer efficacy in a Ba/F3-FLT3-ITD-D835Y xenograft model. The results suggested that 8v can serve as a promising macrocycle-based FLT3 inhibitor for the treatment of AML.
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Affiliation(s)
- Xuan Zheng
- State
Key Laboratory of Bioactive Molecules and Druggability Assessment,
International Cooperative Laboratory of Traditional Chinese Medicine
Modernization and Innovative Drug Discovery of Chinese Ministry of
Education, Guangzhou City Key Laboratory of Precision Chemical Drug
Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Zhiwen Chen
- State
Key Laboratory of Bioactive Molecules and Druggability Assessment,
International Cooperative Laboratory of Traditional Chinese Medicine
Modernization and Innovative Drug Discovery of Chinese Ministry of
Education, Guangzhou City Key Laboratory of Precision Chemical Drug
Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Ming Guo
- Department
of Oncology, NHC Key Laboratory of Cancer Proteomics, State Local
Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Hong Liang
- State
Key Laboratory of Bioactive Molecules and Druggability Assessment,
International Cooperative Laboratory of Traditional Chinese Medicine
Modernization and Innovative Drug Discovery of Chinese Ministry of
Education, Guangzhou City Key Laboratory of Precision Chemical Drug
Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Xiaojuan Song
- State
Key Laboratory of Bioactive Molecules and Druggability Assessment,
International Cooperative Laboratory of Traditional Chinese Medicine
Modernization and Innovative Drug Discovery of Chinese Ministry of
Education, Guangzhou City Key Laboratory of Precision Chemical Drug
Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Yiling Liu
- State
Key Laboratory of Bioactive Molecules and Druggability Assessment,
International Cooperative Laboratory of Traditional Chinese Medicine
Modernization and Innovative Drug Discovery of Chinese Ministry of
Education, Guangzhou City Key Laboratory of Precision Chemical Drug
Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Zhenling Liao
- State
Key Laboratory of Bioactive Molecules and Druggability Assessment,
International Cooperative Laboratory of Traditional Chinese Medicine
Modernization and Innovative Drug Discovery of Chinese Ministry of
Education, Guangzhou City Key Laboratory of Precision Chemical Drug
Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Yan Zhang
- State
Key Laboratory of Bioactive Molecules and Druggability Assessment,
International Cooperative Laboratory of Traditional Chinese Medicine
Modernization and Innovative Drug Discovery of Chinese Ministry of
Education, Guangzhou City Key Laboratory of Precision Chemical Drug
Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Jing Guo
- State
Key Laboratory of Bioactive Molecules and Druggability Assessment,
International Cooperative Laboratory of Traditional Chinese Medicine
Modernization and Innovative Drug Discovery of Chinese Ministry of
Education, Guangzhou City Key Laboratory of Precision Chemical Drug
Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Yang Zhou
- State
Key Laboratory of Bioactive Molecules and Druggability Assessment,
International Cooperative Laboratory of Traditional Chinese Medicine
Modernization and Innovative Drug Discovery of Chinese Ministry of
Education, Guangzhou City Key Laboratory of Precision Chemical Drug
Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Zhi-min Zhang
- State
Key Laboratory of Bioactive Molecules and Druggability Assessment,
International Cooperative Laboratory of Traditional Chinese Medicine
Modernization and Innovative Drug Discovery of Chinese Ministry of
Education, Guangzhou City Key Laboratory of Precision Chemical Drug
Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Zhengchao Tu
- State
Key Laboratory of Bioactive Molecules and Druggability Assessment,
International Cooperative Laboratory of Traditional Chinese Medicine
Modernization and Innovative Drug Discovery of Chinese Ministry of
Education, Guangzhou City Key Laboratory of Precision Chemical Drug
Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Ye Zhang
- Guangxi
Key Laboratory of Drug Discovery and Optimization, School of Pharmacy, Guilin Medical University, Guilin 541199, China
| | - Yongheng Chen
- Department
of Oncology, NHC Key Laboratory of Cancer Proteomics, State Local
Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zhang Zhang
- State
Key Laboratory of Bioactive Molecules and Druggability Assessment,
International Cooperative Laboratory of Traditional Chinese Medicine
Modernization and Innovative Drug Discovery of Chinese Ministry of
Education, Guangzhou City Key Laboratory of Precision Chemical Drug
Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
| | - Xiaoyun Lu
- State
Key Laboratory of Bioactive Molecules and Druggability Assessment,
International Cooperative Laboratory of Traditional Chinese Medicine
Modernization and Innovative Drug Discovery of Chinese Ministry of
Education, Guangzhou City Key Laboratory of Precision Chemical Drug
Development, School of Pharmacy, Jinan University, #855 Xingye Avenue, Guangzhou 510632, China
- Department
of Hematology, Guangdong Second Provincial General Hospital, Jinan University, Guangzhou 510632, China
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10
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Capelli D. FLT3-Mutated Leukemic Stem Cells: Mechanisms of Resistance and New Therapeutic Targets. Cancers (Basel) 2024; 16:1819. [PMID: 38791898 PMCID: PMC11119130 DOI: 10.3390/cancers16101819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 05/05/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024] Open
Abstract
Despite the availability of target drugs in the first and second line, only 30% of FLT3mut AMLs are cured. Among the multiple mechanisms of resistance, those of FLT3mut LSC are the most difficult to eradicate because of their metabolic and genomic characteristics. Reactivation of glycogen synthesis, inhibition of the RAS/MAPK pathway, and degradation of FLT3 may be potential aids to fight the resistance of LSC to FLT3i. LSC is also characterized by the expression of a CD34+/CD25+/CD123+/CD99+ immunophenotype. The receptor and ligand of FLT3, the natural killer group 2 member D ligand (NKGD2L), and CD123 are some of the targets of chimeric antigen receptor T cells (CAR-T), bispecific T-cell engager molecules (BiTEs), CAR-NK and nanoparticles recently designed and reported here. The combination of these new therapeutic options, hopefully in a minimal residual disease (MRD)-driven approach, could provide the future answer to the challenge of treating FLT3mut AML.
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Affiliation(s)
- Debora Capelli
- Department of Hematology, Azienda Ospedaliera Universitaria, Ospedali Riuniti di Ancona, Via Conca 71, 60126 Ancona, Italy
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11
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Fruchtman H, Avigan ZM, Waksal JA, Brennan N, Mascarenhas JO. Management of isocitrate dehydrogenase 1/2 mutated acute myeloid leukemia. Leukemia 2024; 38:927-935. [PMID: 38600315 PMCID: PMC11073971 DOI: 10.1038/s41375-024-02246-2] [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: 01/04/2024] [Revised: 04/01/2024] [Accepted: 04/04/2024] [Indexed: 04/12/2024]
Abstract
The emergence of next generation sequencing and widespread use of mutational profiling in acute myeloid leukemia (AML) has broadened our understanding of the heterogeneous molecular basis of the disease. Since genetic sequencing has become a standard practice, several driver mutations have been identified. Accordingly, novel targeted therapeutic agents have been developed and are now approved for the treatment of subsets of patients that carry mutations in FLT3, IDH1, and IDH2 [1, 2]. The emergence of these novel agents in AML offers patients a new modality of therapy, and shifts treatment paradigms toward individualized medicine. In this review, we outline the role of IDH mutations in malignant transformation, focus in on a novel group of targeted therapeutic agents directed toward IDH1- and IDH2-mutant AML, and explore their impact on prognosis in patients with AML.
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Affiliation(s)
| | - Zachary M Avigan
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Julian A Waksal
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - John O Mascarenhas
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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12
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Coleman DJ, Keane P, Chin PS, Ames L, Kellaway S, Blair H, Khan N, Griffin J, Holmes E, Maytum A, Potluri S, Strate L, Koscielniak K, Raghavan M, Bushweller J, Heidenreich O, Rabbitts T, Cockerill PN, Bonifer C. Pharmacological inhibition of RAS overcomes FLT3 inhibitor resistance in FLT3-ITD+ AML through AP-1 and RUNX1. iScience 2024; 27:109576. [PMID: 38638836 PMCID: PMC11024925 DOI: 10.1016/j.isci.2024.109576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 02/16/2024] [Accepted: 03/25/2024] [Indexed: 04/20/2024] Open
Abstract
AML is characterized by mutations in genes associated with growth regulation such as internal tandem duplications (ITD) in the receptor kinase FLT3. Inhibitors targeting FLT3 (FLT3i) are being used to treat patients with FLT3-ITD+ but most relapse and become resistant. To elucidate the resistance mechanism, we compared the gene regulatory networks (GRNs) of leukemic cells from patients before and after relapse, which revealed that the GRNs of drug-responsive patients were altered by rewiring their AP-1-RUNX1 axis. Moreover, FLT3i induces the upregulation of signaling genes, and we show that multiple cytokines, including interleukin-3 (IL-3), can overcome FLT3 inhibition and send cells back into cycle. FLT3i leads to loss of AP-1 and RUNX1 chromatin binding, which is counteracted by IL-3. However, cytokine-mediated drug resistance can be overcome by a pan-RAS inhibitor. We show that cytokines instruct AML growth via the transcriptional regulators AP-1 and RUNX1 and that pan-RAS drugs bypass this barrier.
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Affiliation(s)
- Daniel J.L. Coleman
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Peter Keane
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Paulynn S. Chin
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Luke Ames
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Sophie Kellaway
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Helen Blair
- Wolfson Childhood Cancer Research Centre, University of Newcastle, Newcastle upon Tyne, UK
| | - Naeem Khan
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK
| | - James Griffin
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Elizabeth Holmes
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Alexander Maytum
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Sandeep Potluri
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Lara Strate
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Kinga Koscielniak
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Manoj Raghavan
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - John Bushweller
- School of Medicine, University of Virginia, Charlottesville, VA, USA
| | - Olaf Heidenreich
- Wolfson Childhood Cancer Research Centre, University of Newcastle, Newcastle upon Tyne, UK
- Princess Máxima Centrum of Pediatric Oncology, Utrecht, the Netherlands
| | - Terry Rabbitts
- Division of Cancer Therapeutics, The Institute of Cancer Research, London, UK
| | - Peter N. Cockerill
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - Constanze Bonifer
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
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13
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Ashouri K, Chennapan K, Martynova A, Nazaretyan S, Ali A, Ginosyan AA, Tam E, Ladha A, Woan K, Chaudhary P, Siddiqi I, Yaghmour G. Post-stem cell transplant maintenance in FLT3 mut acute myeloid leukemia - A retrospective analysis: Outcomes are improved with midostaurin but not with gilteritinib. EJHAEM 2024; 5:423-427. [PMID: 38633126 PMCID: PMC11020142 DOI: 10.1002/jha2.885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/05/2024] [Accepted: 03/07/2024] [Indexed: 04/19/2024]
Affiliation(s)
- Karam Ashouri
- University of Southern California Keck School of MedicineLos AngelesCaliforniaUSA
| | - Krithika Chennapan
- University of Southern California Keck School of MedicineLos AngelesCaliforniaUSA
| | - Anastasia Martynova
- University of Southern California Keck School of MedicineLos AngelesCaliforniaUSA
| | - Samvel Nazaretyan
- University of Southern California Keck School of MedicineLos AngelesCaliforniaUSA
| | - Amir Ali
- Internal MedicineJane Anne Nohl Division of Hematology and Center for the Study of Blood DiseasesUniversity of Southern California Norris Comprehensive Cancer CenterLos AngelesCaliforniaUSA
| | - Anush Aram Ginosyan
- University of Southern California Keck School of MedicineLos AngelesCaliforniaUSA
| | - Eric Tam
- Internal MedicineJane Anne Nohl Division of Hematology and Center for the Study of Blood DiseasesUniversity of Southern California Norris Comprehensive Cancer CenterLos AngelesCaliforniaUSA
| | - Abdullah Ladha
- Internal MedicineJane Anne Nohl Division of Hematology and Center for the Study of Blood DiseasesUniversity of Southern California Norris Comprehensive Cancer CenterLos AngelesCaliforniaUSA
| | - Karrune Woan
- Internal MedicineJane Anne Nohl Division of Hematology and Center for the Study of Blood DiseasesUniversity of Southern California Norris Comprehensive Cancer CenterLos AngelesCaliforniaUSA
| | - Preet Chaudhary
- Internal MedicineJane Anne Nohl Division of Hematology and Center for the Study of Blood DiseasesUniversity of Southern California Norris Comprehensive Cancer CenterLos AngelesCaliforniaUSA
| | - Imran Siddiqi
- Department of PathologyUniversity of Southern California Keck School of MedicineLos AngelesCaliforniaUSA
| | - George Yaghmour
- Internal MedicineJane Anne Nohl Division of Hematology and Center for the Study of Blood DiseasesUniversity of Southern California Norris Comprehensive Cancer CenterLos AngelesCaliforniaUSA
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14
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Zucenka A, Griskevicius L. Gilteritinib in combination with venetoclax, low-dose cytarabine and actinomycin D for relapsed or refractory FLT3-mutated acute myeloid leukaemia. Br J Haematol 2024; 204:1227-1231. [PMID: 38291741 DOI: 10.1111/bjh.19318] [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: 11/15/2023] [Revised: 01/06/2024] [Accepted: 01/15/2024] [Indexed: 02/01/2024]
Abstract
We have conducted a retrospective, single-centre analysis of 20 patients with relapsed or refractory FLT3-mutated acute myeloid leukaemia (FLT3m AML) who received a salvage quadruplet regimen consisting of gilteritinib, venetoclax, low-dose cytarabine and actinomycin D (G-ACTIVE). G-ACTIVE resulted in a 95% (19/20) overall response rate and 75% (15/20) complete remission and complete remission with an incomplete platelet recovery (CR + CRp) rate. Out of 13 transplant-eligible patients, 11 (86%) proceeded to an allogeneic stem cell transplantation. The median overall survival and relapse-free survival after G-ACTIVE were 32 and 12.9 months respectively. The Day 60 mortality rate was 15%.
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Affiliation(s)
- Andrius Zucenka
- Faculty of Medicine, Institute of Clinical Medicine, Vilnius University, Vilnius, Lithuania
- Hematology, Oncology and Transfusion Medicine Centre, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
| | - Laimonas Griskevicius
- Faculty of Medicine, Institute of Clinical Medicine, Vilnius University, Vilnius, Lithuania
- Hematology, Oncology and Transfusion Medicine Centre, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania
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15
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Anžej Doma S, Sever M, Jakoš G, Podgornik H. FLAG/FLAG-Ida Regimen in Secondary and Relapsed/Refractory Acute Myeloid Leukemia-Even in the Era of New Treatment Modalities Still a Significant Player. J Clin Med 2024; 13:1842. [PMID: 38610607 PMCID: PMC11012572 DOI: 10.3390/jcm13071842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 03/17/2024] [Accepted: 03/19/2024] [Indexed: 04/14/2024] Open
Abstract
(1) Background: Relapsed/refractory (r/r) and secondary acute myeloid leukemia are highlighted by chemoresistance and poor outcomes. The aim of the study was to assess the efficacy and toxicity of fludarabine, cytarabine, and granulocyte-colony stimulation factor (FLAG) with or without idarubicin (-Ida) and to discuss novel therapies in this setting. (2) Methods: Clinical and cytogenetic data on 130 consecutive patients with r/r and secondary AML treated at our center were retrospectively analyzed. (3) Results: There were 48, 56, and 26 patients with relapsed, refractory, and secondary AML, respectively. The median age was 60 years. The overall response was achieved in 70% of patients. The median overall survival (OS) time for the whole group was 9.4 months. In total, 47% of patients proceeded to allogeneic hematopoietic stem cell transplantation (aHSCT) and these patients had significantly prolonged OS compared to the others (63 months vs. 4.2 months; p < 0.001). Among the variables, including age, FLT3 mutation status, European LeukemiaNet (ELN) 2022 classification risk, FLAG vs. FLAG-Ida, and aHSCT, a multivariate analysis revealed that only aHSCT significantly influenced overall survival. (4) Conclusions: FLAG(-Ida) chemotherapy remains an effective salvage chemotherapy for patients with r/r and secondary AML with a plan of proceeding to aHSCT.
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Affiliation(s)
- Saša Anžej Doma
- Hematology Department, University Medical Centre Ljubljana, Zaloška Cesta 2, 1000 Ljubljana, Slovenia (H.P.)
- Faculty of Medicine, University of Ljubljana, Vrazov Trg 2, 1000 Ljubljana, Slovenia
| | - Matjaž Sever
- Hematology Department, University Medical Centre Ljubljana, Zaloška Cesta 2, 1000 Ljubljana, Slovenia (H.P.)
- Faculty of Medicine, University of Ljubljana, Vrazov Trg 2, 1000 Ljubljana, Slovenia
| | - Gorazd Jakoš
- Hematology Department, University Medical Centre Ljubljana, Zaloška Cesta 2, 1000 Ljubljana, Slovenia (H.P.)
| | - Helena Podgornik
- Hematology Department, University Medical Centre Ljubljana, Zaloška Cesta 2, 1000 Ljubljana, Slovenia (H.P.)
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, Slovenia
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16
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Murdock HM, Ho VT, Garcia JS. Innovations in conditioning and post-transplant maintenance in AML: genomically informed revelations on the graft-versus-leukemia effect. Front Immunol 2024; 15:1359113. [PMID: 38571944 PMCID: PMC10987864 DOI: 10.3389/fimmu.2024.1359113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 02/20/2024] [Indexed: 04/05/2024] Open
Abstract
Acute Myeloid Leukemia (AML) is the prototype of cancer genomics as it was the first published cancer genome. Large-scale next generation/massively parallel sequencing efforts have identified recurrent alterations that inform prognosis and have guided the development of targeted therapies. Despite changes in the frontline and relapsed standard of care stemming from the success of small molecules targeting FLT3, IDH1/2, and apoptotic pathways, allogeneic stem cell transplantation (alloHSCT) and the resulting graft-versus-leukemia (GVL) effect remains the only curative path for most patients. Advances in conditioning regimens, graft-vs-host disease prophylaxis, anti-infective agents, and supportive care have made this modality feasible, reducing transplant related mortality even among patients with advanced age or medical comorbidities. As such, relapse has emerged now as the most common cause of transplant failure. Relapse may occur after alloHSCT because residual disease clones persist after transplant, and develop immune escape from GVL, or such clones may proliferate rapidly early after alloHSCT, and outpace donor immune reconstitution, leading to relapse before any GVL effect could set in. To address this issue, genomically informed therapies are increasingly being incorporated into pre-transplant conditioning, or as post-transplant maintenance or pre-emptive therapy in the setting of mixed/falling donor chimerism or persistent detectable measurable residual disease (MRD). There is an urgent need to better understand how these emerging therapies modulate the two sides of the GVHD vs. GVL coin: 1) how molecularly or immunologically targeted therapies affect engraftment, GVHD potential, and function of the donor graft and 2) how these therapies affect the immunogenicity and sensitivity of leukemic clones to the GVL effect. By maximizing the synergistic action of molecularly targeted agents, immunomodulating agents, conventional chemotherapy, and the GVL effect, there is hope for improving outcomes for patients with this often-devastating disease.
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Affiliation(s)
- H. Moses Murdock
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States
| | - Vincent T. Ho
- Bone Marrow Transplant Program, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States
| | - Jacqueline S. Garcia
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States
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17
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Azoulay E, Maertens J, Lemiale V. How I manage acute respiratory failure in patients with hematological malignancies. Blood 2024; 143:971-982. [PMID: 38232056 DOI: 10.1182/blood.2023021414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 11/29/2023] [Accepted: 12/04/2023] [Indexed: 01/19/2024] Open
Abstract
ABSTRACT Acute respiratory failure (ARF) is common in patients with hematological malignancies notably those with acute leukemia, myelodysplastic syndrome, or allogeneic stem cell transplantation. ARF is the leading reason for intensive care unit (ICU) admission, with a 35% case fatality rate. Failure to identify the ARF cause is associated with mortality. A prompt, well-designed diagnostic workup is crucial. The investigations are chosen according to pretest diagnostic probabilities, estimated by the DIRECT approach: D stands for delay, or time since diagnosis; I for pattern of immune deficiency; R and T for radiological evaluation; E refers to clinical experience, and C to the clinical picture. Thorough familiarity with rapid diagnostic tests helps to decrease the use of bronchoscopy with bronchoalveolar lavage, which can cause respiratory status deterioration in those patients with hypoxemia. A prompt etiological diagnosis shortens the time on unnecessary empirical treatments, decreasing iatrogenic harm and costs. High-quality collaboration between intensivists and hematologists and all crossdisciplinary health care workers is paramount. All oxygen delivery systems should be considered to minimize invasive mechanical ventilation. Treatment of the malignancy is started or continued in the ICU under the guidance of the hematologists. The goal is to use the ICU as a bridge to recovery, with the patient returning to the hematology ward in sufficiently good clinical condition to receive optimal anticancer treatment.
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Affiliation(s)
- Elie Azoulay
- Intensive Care Department, Saint-Louis University Hospital, Paris-Cité University, Paris, France
| | - Johan Maertens
- Department of Microbiology, Immunology, and Transplantation, KU Leuven, Leuven, Belgium
- Department of Hematology, University Hospitals Leuven, Leuven, Belgium
| | - Virginie Lemiale
- Intensive Care Department, Saint-Louis University Hospital, Paris-Cité University, Paris, France
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18
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Chen N, Pan J, Zhou Y, Mao L, Lou Y, Qian J, Xu G, Wei J, Zhou D, Shou L, Huang L, Yan M, Zeng H, Fan C, Wu G, Feng W, Tong H, Jin J, Wang H. Gilteritinib-based combination therapy in adult relapsed/refractory FLT3-mutated acute myeloid leukaemia. Br J Haematol 2024; 204:861-870. [PMID: 37939390 DOI: 10.1111/bjh.19182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 10/16/2023] [Accepted: 10/20/2023] [Indexed: 11/10/2023]
Abstract
Gilteritinib, a potent FMS-like tyrosine kinase 3 (FLT3) inhibitor, was approved for relapsed/refractory (R/R) FLT3-mutated acute myeloid leukaemia (AML) patients but still showed limited efficacy. Here, we retrospectively analysed the efficacy and safety of different gilteritinib-based combination therapies (gilteritinib plus hypomethylating agent and venetoclax, G + HMA + VEN; gilteritinib plus HMA, G + HMA; gilteritinib plus venetoclax, G + VEN) in 33 R/R FLT3-mutated AML patients. The composite complete response (CRc) and modified CRc (mCRc) rates were 66.7% (12/18) and 88.9% (16/18) in patients received G + HMA + VEN, which was higher compared with that in G + HMA (CRc: 18.2%, 2/11; mCRc: 45.5%, 5/11) or G + VEN (CRc: 50.0%, 2/4; mCRc: 50.0%, 2/4). The median overall survival (OS) for G + HMA + VEN, G + HMA and G + VEN treatment was not reached, 160.0 days and 231.0 days. The median duration of remission (DOR) for G + HMA + VEN, G + HMA and G + VEN treatment was not reached, 82.0 days and 77.0 days. Four patients in the G + HMA + VEN group received alloHSCT after remission exhibited prolonged median DOR. The most common grade 3/4 adverse events were cytopenia, febrile neutropenia and pulmonary infection; there were no differences among the three groups. In conclusion, our data demonstrated promising response of G + HMA + VEN combination therapy in R/R FLT3-mutated AML, and it may be considered an effective therapy bridge to transplantation.
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Affiliation(s)
- Nianci Chen
- Department of Hematology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Clinical Research Center for Hematological Disorders, Hangzhou, Zhejiang, China
| | - Jiajia Pan
- Department of Hematology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Clinical Research Center for Hematological Disorders, Hangzhou, Zhejiang, China
| | - Yile Zhou
- Department of Hematology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Clinical Research Center for Hematological Disorders, Hangzhou, Zhejiang, China
| | - Liping Mao
- Department of Hematology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Clinical Research Center for Hematological Disorders, Hangzhou, Zhejiang, China
| | - Yinjun Lou
- Department of Hematology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Clinical Research Center for Hematological Disorders, Hangzhou, Zhejiang, China
| | - Jiejing Qian
- Department of Hematology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Clinical Research Center for Hematological Disorders, Hangzhou, Zhejiang, China
| | - Gaixiang Xu
- Department of Hematology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Clinical Research Center for Hematological Disorders, Hangzhou, Zhejiang, China
| | - Juying Wei
- Department of Hematology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Clinical Research Center for Hematological Disorders, Hangzhou, Zhejiang, China
| | - De Zhou
- Department of Hematology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Clinical Research Center for Hematological Disorders, Hangzhou, Zhejiang, China
| | - Lihong Shou
- Department of Hematology, Huzhou Central Hospital, Huzhou, Zhejiang, PR China
| | - Li Huang
- Jinhua People's Hospital, Jinhua, Zhejiang, PR China
| | - Minchao Yan
- Department of Hematology, the First Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang, PR China
| | - Hui Zeng
- Department of Hematology, the First Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang, PR China
| | - Cuihua Fan
- Shulan (Hangzhou) Hospital, Zhejiang Shuren University Shulan International Medical College, Hangzhou, Zhejiang, PR China
| | - Gongqiang Wu
- Department of Hematology, Dongyang Hospital Affiliated to Wenzhou Medical University, Dongyang People's Hospital, Dongyang, Zhejiang, PR China
| | - Weiying Feng
- Department of Hematology, Shaoxing People's Hospital, Shaoxing, Zhejiang, PR China
| | - Hongyan Tong
- Department of Hematology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Clinical Research Center for Hematological Disorders, Hangzhou, Zhejiang, China
| | - Jie Jin
- Department of Hematology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Clinical Research Center for Hematological Disorders, Hangzhou, Zhejiang, China
- Zhejiang University Cancer Center, Hangzhou, Zhejiang, PR China
| | - Huafeng Wang
- Department of Hematology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, PR China
- Zhejiang Provincial Clinical Research Center for Hematological Disorders, Hangzhou, Zhejiang, China
- Zhejiang University Cancer Center, Hangzhou, Zhejiang, PR China
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19
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Diekmann B, Timmerman M, Hempenius L, van Roon E, Franken B, Hoogendoorn M. New treatment opportunities for older patients with acute myeloid leukemia and the increasing importance of frailty assessment - An oncogeriatric perspective. J Geriatr Oncol 2024; 15:101631. [PMID: 37783588 DOI: 10.1016/j.jgo.2023.101631] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 07/10/2023] [Accepted: 09/13/2023] [Indexed: 10/04/2023]
Abstract
With the introduction of targeted chemotherapy drugs, a new age of treatment for acute myeloid leukemia (AML) has begun. The promotion of the azacitidine+venetoclax combination regimen to first line of treatment in patients deemed ineligible for intensive chemotherapy marks the first of many novel combination regimens becoming part of national treatment guidelines. We review recent phase II and III clinical trials and conclude that these novel regimens offer significant increases in response rates, remission rates, and overall survival. The incidence of adverse events, the accrued time toxicity, and the healthcare costs, however, are increasing as well. Compared with clinical trials, older patients in the real world frequently present with an inferior baseline health status, which is associated with an increased risk of experiencing side effects. The key to reaping the maximum benefit of the new agents and their combination regimens therefore lies in sufficient attention being given to a patients' preexisting comorbidities, potential frailty, and quality of life. A systematic collaboration between hemato-oncologists and geriatricians can be a potent first step towards addressing the increased treatment intensity patients with AML experience under the novel regimens. In this narrative review article we provide an overview of recent and ongoing clinical trials, highlight encountered adverse events, discuss frailty assessment options, and outline an oncogeriatic care path for older patients with AML.
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Affiliation(s)
- Benno Diekmann
- Department of Internal Medicine, Medical Centre Leeuwarden, Henri Dunantweg 2, Leeuwarden, the Netherlands; Department of Clinical Pharmacy & Pharmacology, Medical Centre Leeuwarden, Henry Dunantweg 2, Leeuwarden, the Netherlands; Unit of Pharmacotherapy, Epidemiology and Economics, Department of Pharmacy, University of Groningen, Antonius Deusinglaan 1, Groningen, the Netherlands; MCL Academy, Medical Centre Leeuwarden, Henri Dunantweg 2, Leeuwarden, the Netherlands.
| | - Marjolijn Timmerman
- Department of Internal Medicine, Medical Centre Leeuwarden, Henri Dunantweg 2, Leeuwarden, the Netherlands; Department of Geriatric Care, Medical Centre Leeuwarden, Henry Dunantweg 2, Leeuwarden, the Netherlands
| | - Liesbeth Hempenius
- Department of Geriatric Care, Medical Centre Leeuwarden, Henry Dunantweg 2, Leeuwarden, the Netherlands
| | - Eric van Roon
- Department of Clinical Pharmacy & Pharmacology, Medical Centre Leeuwarden, Henry Dunantweg 2, Leeuwarden, the Netherlands; Unit of Pharmacotherapy, Epidemiology and Economics, Department of Pharmacy, University of Groningen, Antonius Deusinglaan 1, Groningen, the Netherlands; MCL Academy, Medical Centre Leeuwarden, Henri Dunantweg 2, Leeuwarden, the Netherlands
| | - Bas Franken
- Department of Internal Medicine, Medical Centre Leeuwarden, Henri Dunantweg 2, Leeuwarden, the Netherlands
| | - Mels Hoogendoorn
- Department of Internal Medicine, Medical Centre Leeuwarden, Henri Dunantweg 2, Leeuwarden, the Netherlands
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20
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Wachter F, Pikman Y. Pathophysiology of Acute Myeloid Leukemia. Acta Haematol 2024; 147:229-246. [PMID: 38228114 DOI: 10.1159/000536152] [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: 07/25/2023] [Accepted: 01/04/2024] [Indexed: 01/18/2024]
Abstract
BACKGROUND Acute myeloid leukemia (AML) is a biologically heterogenous disease arising in clonally proliferating hematopoietic stem cells. Sequential acquisition of mutations leads to expanded proliferation of clonal myeloid progenitors and failure of differentiation, leading to fulminant AML. SUMMARY Here, we review the pathophysiology of AML with a focus on factors predisposing to AML development, including prior chemo- and radiation therapy, environmental factors, and germline predisposition. KEY MESSAGE Increasing genomic characterization of AML and insight into mechanisms of its development will be critical to improvement in AML prognostication and therapy.
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Affiliation(s)
- Franziska Wachter
- Department of Pediatric Oncology, Dana-Farber Cancer Institute and Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Yana Pikman
- Department of Pediatric Oncology, Dana-Farber Cancer Institute and Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA
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21
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Thol F, Döhner H, Ganser A. How I treat refractory and relapsed acute myeloid leukemia. Blood 2024; 143:11-20. [PMID: 37944143 DOI: 10.1182/blood.2023022481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/11/2023] [Accepted: 10/29/2023] [Indexed: 11/12/2023] Open
Abstract
ABSTRACT Most patients with acute myeloid leukemia (AML) develop refractory/relapsed (R/R) disease even in the presence of novel and targeted therapies. Given the biological complexity of the disease and differences in frontline treatments, there are therapies approved for only subgroups of R/R AML, and enrollment in clinical trials should be first priority. Allogeneic hematopoietic cell transplantation (HCT) is the only potentially curative strategy for most patients. Therapeutic approaches, including allogeneic HCT, triggered by the presence of measurable residual disease (MRD), have recently evolved to prevent overt hematologic relapse. Salvage therapy with chemotherapy or targeted therapy is frequently administered before HCT to reduce the leukemic burden. Gilteritinib is approved by the Food and Drug Administration and European Medicines Agency for patients with relapsed FLT3 mutated AML, whereas targeted therapy for relapsed IDH1/2 mutated AML has only FDA approval. Patients who are R/R after azacitidine and venetoclax (AZA/VEN) have a dismal outcome. In this setting, even available targeted therapies show unsatisfactory results. Examples of ongoing developments include menin inhibitors, a targeted therapy for patients with mutated NPM1 or KMT2A rearrangements, antibodies targeting the macrophage immune checkpoint CD47, and triple combinations involving AZA/VEN. The latter cause significant myelosuppressive effects, which make it challenging to find the right schedule and dose.
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Affiliation(s)
- Felicitas Thol
- Department of Hematology, Hemostasis, Oncology, and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany
| | - Hartmut Döhner
- Department of Internal Medicine III, University of Ulm, Ulm, Germany
| | - Arnold Ganser
- Department of Hematology, Hemostasis, Oncology, and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany
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Urbino I, Secreto C, Apolito V, Olivi M, Arrigo G, Boscaro E, Catania FM, D'Ardia S, Frairia C, Giai V, Freilone R, Bruno B, Lanzarone G, Giaccone L, Busca A, Dellacasa CM, Ferrero D, Audisio E, Cerrano M. Sorafenib in combination with intensive chemotherapy for relapsed or refractory FLT3-ITD positive acute myeloid leukemia: A two centers experience. Leuk Res 2024; 136:107421. [PMID: 38042648 DOI: 10.1016/j.leukres.2023.107421] [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: 09/05/2023] [Revised: 10/31/2023] [Accepted: 11/14/2023] [Indexed: 12/04/2023]
Affiliation(s)
- Irene Urbino
- Department of Oncology, Division of Hematology, A.O.U. Città della Salute e della Scienza, Turin, Italy
| | - Carolina Secreto
- Department of Oncology, Division of Hematology, A.O.U. Città della Salute e della Scienza, Turin, Italy
| | - Vincenzo Apolito
- Department of Molecular Biotechnology and Health Sciences, Division of Hematology, University of Turin, Italy; Pediatric Oncohematology, Stem Cell Transplantation and Cell Therapy Division, Regina Margherita Children's Hospital, Turin, Italy
| | - Matteo Olivi
- Department of Molecular Biotechnology and Health Sciences, Division of Hematology, University of Turin, Italy
| | - Giulia Arrigo
- Department of Oncology, Division of Hematology, A.O.U. Città della Salute e della Scienza, Turin, Italy; Department of Molecular Biotechnology and Health Sciences, Division of Hematology, University of Turin, Italy
| | - Eleonora Boscaro
- Department of Oncology, Division of Hematology, A.O.U. Città della Salute e della Scienza, Turin, Italy; Department of Molecular Biotechnology and Health Sciences, Division of Hematology, University of Turin, Italy
| | - Federica Maria Catania
- Department of Oncology, Division of Hematology, A.O.U. Città della Salute e della Scienza, Turin, Italy; Department of Molecular Biotechnology and Health Sciences, Division of Hematology, University of Turin, Italy
| | - Stefano D'Ardia
- Department of Oncology, Division of Hematology, A.O.U. Città della Salute e della Scienza, Turin, Italy
| | - Chiara Frairia
- Department of Oncology, Division of Hematology, A.O.U. Città della Salute e della Scienza, Turin, Italy
| | - Valentina Giai
- Department of Oncology, Division of Hematology, A.O.U. Città della Salute e della Scienza, Turin, Italy
| | - Roberto Freilone
- Department of Oncology, Division of Hematology, A.O.U. Città della Salute e della Scienza, Turin, Italy
| | - Benedetto Bruno
- Department of Molecular Biotechnology and Health Sciences, Division of Hematology, University of Turin, Italy; Division of Hematology, Allogeneic Transplant and Cell Therapy Unit, AOU "Città della Salute e della Scienza di Torino" University of Turin, Italy
| | - Giuseppe Lanzarone
- Division of Hematology, Allogeneic Transplant and Cell Therapy Unit, AOU "Città della Salute e della Scienza di Torino" University of Turin, Italy
| | - Luisa Giaccone
- Department of Molecular Biotechnology and Health Sciences, Division of Hematology, University of Turin, Italy; Division of Hematology, Allogeneic Transplant and Cell Therapy Unit, AOU "Città della Salute e della Scienza di Torino" University of Turin, Italy
| | - Alessandro Busca
- Department of Oncology, Division of Hematology, A.O.U. Città della Salute e della Scienza, Turin, Italy
| | - Chiara Maria Dellacasa
- Department of Oncology, Division of Hematology, A.O.U. Città della Salute e della Scienza, Turin, Italy
| | - Dario Ferrero
- Department of Molecular Biotechnology and Health Sciences, Division of Hematology, University of Turin, Italy; Division of Hematology, Allogeneic Transplant and Cell Therapy Unit, AOU "Città della Salute e della Scienza di Torino" University of Turin, Italy
| | - Ernesta Audisio
- Department of Oncology, Division of Hematology, A.O.U. Città della Salute e della Scienza, Turin, Italy
| | - Marco Cerrano
- Department of Oncology, Division of Hematology, A.O.U. Città della Salute e della Scienza, Turin, Italy.
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23
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Schiller GJ, Kustanovich V. Considerations regarding maintenance therapy for acute myeloid leukemia in remission. Expert Rev Anticancer Ther 2024; 24:15-20. [PMID: 38230741 DOI: 10.1080/14737140.2024.2306164] [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: 05/16/2023] [Accepted: 01/12/2024] [Indexed: 01/18/2024]
Abstract
INTRODUCTION For most adult patients with acute myeloid leukemia, relapse is characteristic of the disease. When allotransplant in first complete remission is administered as consolidative therapy, relapse is still common, affecting 20-40% of recipients. Maintenance of remission with low-dose treatments may hold promise in preventing relapse. AREAS COVERED Improvements in the detection of clinical and biological variants of disease allow the practitioner to identify which patients, based on disease features, may benefit from therapy directed at residual clonal elements that might contribute to relapse. Along with improvements in methods of detecting residual disease, novel agents are under investigation as a platform in order to maintain remission and may contribute to prolonged survival. In this manuscript, we review literature available through PubMed regarding the use of maintenance therapy, described as post-remission or post-transplant treatment intended to delay or prevent relapse. EXPERT OPINION Although results of randomized studies are limited, a role for maintenance therapy, particularly directed at molecular targets, in distinct settings of post-remission management is recommended. We also advise that randomized studies of immune therapy along with opportunities for further evaluation of risk-agnostic interventions be a focus of cooperative groups.
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Affiliation(s)
- Gary J Schiller
- Hematological Malignancy/Stem Cell Transplant Program, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Vlad Kustanovich
- David Geffen School of Medicine at UCLA, Los Angeles, California, USA
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24
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Kobayashi H, Tsutsumi H, Misaki Y, Maekawa T, Inoshita N, Kawamura M, Maseki N. Gilteritinib Monotherapy as a Transplant Bridging Option for a Patient with FLT3-Mutated Acute Promyelocytic Leukemia Who Developed a Second Relapse after All-Trans Retinoic Acid + Chemotherapy, Arsenic Trioxide, and High-Dose Cytarabine Therapy. Case Rep Hematol 2023; 2023:8568587. [PMID: 38124780 PMCID: PMC10732830 DOI: 10.1155/2023/8568587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/17/2023] [Accepted: 11/29/2023] [Indexed: 12/23/2023] Open
Abstract
We report a case of FLT3-mutated APL who developed disease relapse despite all-trans retinoic acid (ATRA) + chemotherapy, and re-induction chemotherapy with arsenic trioxide (ATO) and high-dose (HD) cytarabine (Ara-C) therapy failed to yield complete remission. Because the leukemic cells were resistant to all the aforementioned therapies, we started the patient on monotherapy with gilteritinib, a selective FLT3-inhibitor, as an alternative re-induction treatment option rather than further intensive chemotherapy. The patient showed complete hematologic remission in response to this therapy. This case serves as supporting evidence for the use of single-agent therapy with gilteritinib as a bridge to transplantation in patients with refractory FLT3-mutated APL.
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Affiliation(s)
| | - Hiroki Tsutsumi
- Department of Hematology, Saitama Cancer Center, Saitama, Japan
| | - Yukiko Misaki
- Division of Hematology, Jichi Medical University Saitama Medical Center, Saitama, Japan
| | - Takashi Maekawa
- Department of Pathology, Saitama Cancer Center, Saitama, Japan
| | - Naoko Inoshita
- Department of Pathology, Saitama Cancer Center, Saitama, Japan
- Department of Pathology, Moriyama Memorial Hospital, Tokyo, Japan
| | - Machiko Kawamura
- Department of Hematology, Saitama Cancer Center, Saitama, Japan
- Department of Clinical Laboratory Medicine, Saitama Cancer Center, Saitama, Japan
| | - Nobuo Maseki
- Department of Hematology, Saitama Cancer Center, Saitama, Japan
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25
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Chen J, Labopin M, Pabst T, Zhang X, Jiang E, Tucci A, Cornelissen J, Meijer E, Khevelidze I, Polge E, Wu D, Mohty M, Gorin NC. Autologous stem cell transplantation in adult patients with intermediate-risk acute myeloid leukemia in first complete remission and no detectable minimal residual disease. A comparative retrospective study with haploidentical transplants of the global committee and the ALWP of the EBMT. Bone Marrow Transplant 2023; 58:1322-1330. [PMID: 37640797 PMCID: PMC10691968 DOI: 10.1038/s41409-023-02070-9] [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: 05/10/2023] [Revised: 06/29/2023] [Accepted: 07/24/2023] [Indexed: 08/31/2023]
Abstract
In patients with acute myeloid leukemia (AML) of intermediate-risk (IR) in first remission (CR1) with no measurable residual disease (MRD negative), the choice of the best consolidation is questionable. 1122 adult patients from 196 centers, transplanted in 2010-21 were analyzed: 547 received an autologous stem cell transplantation (ASCT) and 575 a Haploidentical donor transplant. Because of a significant interaction, comparisons were done separately for patients with wild-type FLT3 (FLT3-wt) and FLT3-ITD mutation (FLT3-ITD). In FLT3-wt patients, haploidentical transplants had two year lower relapse incidence (RI) (16.9% versus 32.6%; HR = 0.40, p < 0.001), higher NRM higher (17.2% vs 3.5%; HR = 7.02, p < 0.001), similar LFS (65.9% vs 63.8%; p = 0.37) and lower OS (73.2% vs 80.6%; HR = 1.69, p = 0.018). In FLT3-ITD patients, haploidentical transplants had two year lower RI (8.2% vs 47.8%; HR = 0.14, p < 0.001) higher NRM (20.2% vs 5.6%; HR = 3.43, p = 0.002), better LFS (71.5% vs 46.6%; HR = 0.53, p = 0.007) and similar OS (73.5% vs 61.9%; p = 0.44). In IR AML patients with FLT3-wt in MRD negative CR1, autologous stem cell transplantation is a valid option, while in patients with FLT3-ITD, haploidentical transplant is better. Whether autologous transplantation is superior to chemotherapy in FLT3-wt patients and the role of maintenance therapy with FLT3 inhibitors remain to be studied.
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Affiliation(s)
- Jia Chen
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Myriam Labopin
- Department of Clinical Hematology and Cellular Therapy, Saint-Antoine Hospital, AP-HP, Sorbonne University, EBMT Paris office, Paris, France
| | - Thomas Pabst
- Department of Medical Oncology, Inselspital, Bern University Hospital, Bern, Switzerland
| | - Xi Zhang
- Medical center of hematology, Xinqiao Hospital, Army Medical University, Chongqing, China
| | - Erlie Jiang
- Institute of Hematology, Chinese Academy of Medical Sciences, Hematopoietic stem cell transplantation center, Tianjin, China
| | - Alessandra Tucci
- Spedali Civili - Brescia, Hematology Division, Department of Medical Oncology, Brescia, Italy
| | - Jan Cornelissen
- Erasmus MC Cancer Institute, University Medical Center Rotterdam, Department of Hematology, Rotterdam, Netherlands
| | - Ellen Meijer
- VU University Medical Center, Department of Hematology, Amsterdam, Netherlands
| | - Irma Khevelidze
- Department of Clinical Hematology and Cellular Therapy, Saint-Antoine Hospital, AP-HP, Sorbonne University, EBMT Paris office, Paris, France
| | - Emmanuelle Polge
- Department of Clinical Hematology and Cellular Therapy, Saint-Antoine Hospital, AP-HP, Sorbonne University, EBMT Paris office, Paris, France
| | - Depei Wu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Mohamad Mohty
- Department of Clinical Hematology and Cellular Therapy, Saint-Antoine Hospital, AP-HP, Sorbonne University, EBMT Paris office, Paris, France
| | - Norbert-Claude Gorin
- Department of Clinical Hematology and Cellular Therapy, Saint-Antoine Hospital, AP-HP, Sorbonne University, EBMT Paris office, Paris, France.
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26
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Jiang S, Lu X, Wei R, Zhang A, Chen H, Shi W, Xia L. Salvage hematopoietic stem cell transplantation for patients with higher leukemia burden in relapsed or refractory acute myeloid leukemia: a ten-year study. Ann Hematol 2023; 102:3205-3216. [PMID: 37682324 DOI: 10.1007/s00277-023-05406-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 08/05/2023] [Indexed: 09/09/2023]
Abstract
Patients with relapsed and refractory acute myeloid leukemia (R-R AML), especially those in non-remission (NR) have a poor prognosis after allogeneic hematopoietic stem cell transplantation (allo-HSCT). In order to optimize the entire allo-HSCT process for R-R AML patients and identify potential factors affecting clinical outcomes after HSCT, we retrospectively analyzed 44 adult patients with R-R AML who underwent salvage allo-HSCT while in NR or with concomitant extramedullary leukemia at the Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology from 2013 to 2022. The 1-year and 2-year overall survival (OS) of the 44 patients were 55.3% (95% confidence interval [CI], 41.1%-74.3%) and 44.4% (95%CI, 30.2%-65.4%), respectively. The 1-year and 2-year cumulative incidence of relapse (CIR) were 39.4% (95%CI, 38.0%-40.7%) and 53.0% (95%CI, 51.0%-55.1%), respectively, and the 1-year and 2-year leukemia-free survival (LFS) were 37.8% (95%CI, 24.8%-57.7%) and 20.3% (95%CI, 9.1%-45.3%), respectively. The 100-day, 1-year and 2-year treatment-related mortality (TRM) was 13.8% (95%CI, 13.3%-14.4%), 22.8% (95%CI, 21.9%-23.7%) and 26.7% (95%CI, 25.5%-27.8%), respectively. Multivariate analysis revealed that patients who developed chronic graft-versus-host disease (cGVHD) after transplantation had lower relapse rate. Our analysis also indicated that patients with blast counts in bone marrow (BM) <20% and those with ≥20% had comparable clinical outcomes after allo-HSCT. In conclusion, our study demonstrated that R-R AML patients in NR or with concomitant extramedullary leukemia can benefit from allo-HSCT, regardless of leukemia burden at the time of transplantation. Patients who experience cGVHD after allo-HSCT may have lower relapse rate due to enhanced graft-versus-leukemia (GVL) effects, but cGVHD should be controlled at mild to moderate level to avoid life-threatening complications.
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Affiliation(s)
- Shan Jiang
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xuan Lu
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Ruowen Wei
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Ao Zhang
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Haoran Chen
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Wei Shi
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Linghui Xia
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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Milnerowicz S, Maszewska J, Skowera P, Stelmach M, Lejman M. AML under the Scope: Current Strategies and Treatment Involving FLT3 Inhibitors and Venetoclax-Based Regimens. Int J Mol Sci 2023; 24:15849. [PMID: 37958832 PMCID: PMC10647248 DOI: 10.3390/ijms242115849] [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: 09/23/2023] [Revised: 10/26/2023] [Accepted: 10/29/2023] [Indexed: 11/15/2023] Open
Abstract
Acute myeloid leukemia (AML) is a disease that mainly affects elderly patients who are more often unfit for intensive chemotherapy (median age of diagnosis is 68). The regimens, including venetoclax, a highly specific BCL-2 (B-cell lymphoma-2) inhibitor, are a common alternative because of their safer profile and fewer side effects. However, the resistance phenomenon of leukemic cells necessitates the search for drugs that would help to overcome the resistance and improve treatment outcomes. One of the resistance mechanisms takes place through the upregulation of MCL-1 and BCL-XL, preventing BAX/BAK-driven MOMP (mitochondrial outer membrane permeabilization), thus stopping the apoptosis process. Possible partners for BCL-2 inhibitors may include inhibitors from the FLT3i (FMS-like tyrosine kinase-3 inhibitor) group. They resensitize cancer cells through the downregulation of MCL-1 expression in the FLT3 mutated cells, resulting in the stronger efficacy of BCL-2 inhibitors. Also, they provide an additional pathway for targeting the clonal cell. Both preclinical and clinical data suggest that the combination might show a synergistic effect and improve patients' outcomes. The aim of this review is to determine whether the combination of venetoclax and FLT3 inhibitors can impact the therapeutic approaches and what other agents they can be combined with.
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Affiliation(s)
- Szymon Milnerowicz
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland; (S.M.); (J.M.)
| | - Julia Maszewska
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland; (S.M.); (J.M.)
| | - Paulina Skowera
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland; (P.S.); (M.S.)
| | - Magdalena Stelmach
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland; (P.S.); (M.S.)
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland; (P.S.); (M.S.)
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28
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[The guidelines for diagnosis and treatment of relapse /refractory acute myelogenous leukemia in China (2023)]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2023; 44:713-716. [PMID: 38049313 PMCID: PMC10630579 DOI: 10.3760/cma.j.issn.0253-2727.2023.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Indexed: 12/06/2023]
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29
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Feng L, Zhang PY, Gao W, Yu J, Robson SC. Targeting chemoresistance and mitochondria-dependent metabolic reprogramming in acute myeloid leukemia. Front Oncol 2023; 13:1244280. [PMID: 37746249 PMCID: PMC10513429 DOI: 10.3389/fonc.2023.1244280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 08/23/2023] [Indexed: 09/26/2023] Open
Abstract
Chemoresistance often complicates the management of cancer, as noted in the instance of acute myeloid leukemia (AML). Mitochondrial function is considered important for the viability of AML blasts and appears to also modulate chemoresistance. As mitochondrial metabolism is aberrant in AML, any distinct pathways could be directly targeted to impact both cell viability and chemoresistance. Therefore, identifying and targeting those precise rogue elements of mitochondrial metabolism could be a valid therapeutic strategy in leukemia. Here, we review the evidence for abnormalities in mitochondria metabolic processes in AML cells, that likely impact chemoresistance. We further address several therapeutic approaches targeting isocitrate dehydrogenase 2 (IDH2), CD39, nicotinamide phosphoribosyl transferase (NAMPT), electron transport chain (ETC) complex in AML and also consider the roles of mesenchymal stromal cells. We propose the term "mitotherapy" to collectively refer to such regimens that attempt to override mitochondria-mediated metabolic reprogramming, as used by cancer cells. Mounting evidence suggests that mitotherapy could provide a complementary strategy to overcome chemoresistance in liquid cancers, as well as in solid tumors.
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Affiliation(s)
- Lili Feng
- Shandong Provincial Key Laboratory of Radiation Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
- Center for Inflammation Research, Department of Anesthesia, Critical Care & Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Philip Y. Zhang
- Center for Inflammation Research, Department of Anesthesia, Critical Care & Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Wenda Gao
- Antagen Institute for Biomedical Research, Canton, MA, United States
| | - Jinming Yu
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Simon C. Robson
- Center for Inflammation Research, Department of Anesthesia, Critical Care & Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
- Department of Medicine, Division of Gastroenterology/Hepatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
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30
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Senapati J, Kadia TM, Ravandi F. Maintenance therapy in acute myeloid leukemia: advances and controversies. Haematologica 2023; 108:2289-2304. [PMID: 37139599 PMCID: PMC10483353 DOI: 10.3324/haematol.2022.281810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 04/24/2023] [Indexed: 05/05/2023] Open
Abstract
The last decade has seen steadfast progress in drug development in acute myeloid leukemia (AML) which has moved progressively towards genomic-based therapy. With these advances, outcomes in AML have improved but remains far from satisfactory. One approach towards preventing relapse in AML is to use maintenance therapy in patients, after attaining remission. Allogeneic hematopoietic stem cell transplantation (HSCT) is an effective post-remission therapy that has been proven to reduce the risk of relapse. However, in patients who are ineligible for HSCT or have a high risk of relapse, other effective measures to prevent relapse are needed. There is also a need for post-HSCT maintenance to reduce relapse in high-risk subsets. Over the last 3 decades maintenance therapy in AML has evolved from the use of chemotherapeutic agents to more targeted therapies and better modulation of the immune system. Unfortunately, improvements in survival outcomes as a result of using these agents have not been consistently demonstrated in clinical trials. To derive the optimum benefit from maintenance therapy the time points of therapy initiation need to be defined and therapy must be selected precisely with respect to the AML genetics and risk stratification, prior treatment exposure, transplant eligibility, expected toxicity and the patient's clinical profile and desires. The far-reaching goal is to facilitate patients with AML in remission to achieve a normal quality of life while improving remission duration and overall survival. The QUAZAR trial was a welcome step towards a safe maintenance drug that is easy to administer and showed survival benefit but leaves many open issues for discussion. In this review we will discuss these issues, highlighting the development of AML maintenance therapies over the last 3 decades.
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Affiliation(s)
- Jayastu Senapati
- Department of Leukemia, The University of Texas, MD Anderson Cancer Center
| | - Tapan M Kadia
- Department of Leukemia, The University of Texas, MD Anderson Cancer Center
| | - Farhad Ravandi
- Department of Leukemia, The University of Texas, MD Anderson Cancer Center.
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31
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Liccardo F, Śniegocka M, Tito C, Iaiza A, Ottone T, Divona M, Travaglini S, Mattei M, Cicconi R, Miglietta S, Familiari G, Nottola SA, Petrozza V, Tamagnone L, Voso MT, Masciarelli S, Fazi F. Retinoic acid and proteotoxic stress induce AML cell death overcoming stromal cell protection. J Exp Clin Cancer Res 2023; 42:223. [PMID: 37653435 PMCID: PMC10469880 DOI: 10.1186/s13046-023-02793-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 08/10/2023] [Indexed: 09/02/2023] Open
Abstract
BACKGROUND Acute myeloid leukemia (AML) patients bearing the ITD mutation in the tyrosine kinase receptor FLT3 (FLT3-ITD) present a poor prognosis and a high risk of relapse. FLT3-ITD is retained in the endoplasmic reticulum (ER) and generates intrinsic proteotoxic stress. We devised a strategy based on proteotoxic stress, generated by the combination of low doses of the differentiating agent retinoic acid (R), the proteasome inhibitor bortezomib (B), and the oxidative stress inducer arsenic trioxide (A). METHODS We treated FLT3-ITD+ AML cells with low doses of the aforementioned drugs, used alone or in combinations and we investigated the induction of ER and oxidative stress. We then performed the same experiments in an in vitro co-culture system of FLT3-ITD+ AML cells and bone marrow stromal cells (BMSCs) to assess the protective role of the niche on AML blasts. Eventually, we tested the combination of drugs in an orthotopic murine model of human AML. RESULTS The combination RBA exerts strong cytotoxic activity on FLT3-ITD+ AML cell lines and primary blasts isolated from patients, due to ER homeostasis imbalance and generation of oxidative stress. AML cells become completely resistant to the combination RBA when treated in co-culture with BMSCs. Nonetheless, we could overcome such protective effects by using high doses of ascorbic acid (Vitamin C) as an adjuvant. Importantly, the combination RBA plus ascorbic acid significantly prolongs the life span of a murine model of human FLT3-ITD+ AML without toxic effects. Furthermore, we show for the first time that the cross-talk between AML and BMSCs upon treatment involves disruption of the actin cytoskeleton and the actin cap, increased thickness of the nuclei, and relocalization of the transcriptional co-regulator YAP in the cytosol of the BMSCs. CONCLUSIONS Our findings strengthen our previous work indicating induction of proteotoxic stress as a possible strategy in FLT3-ITD+ AML therapy and open to the possibility of identifying new therapeutic targets in the crosstalk between AML and BMSCs, involving mechanotransduction and YAP signaling.
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Affiliation(s)
- Francesca Liccardo
- Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, Section of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
| | - Martyna Śniegocka
- Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, Section of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
| | - Claudia Tito
- Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, Section of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
| | - Alessia Iaiza
- Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, Section of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy
| | - Tiziana Ottone
- Department of Biomedicine and Prevention, University of Tor Vergata, Rome, Italy
- Santa Lucia Foundation, I.R.C.C.S., Neuro-Oncohematology, Rome, Italy
| | - Mariadomenica Divona
- Department of Biomedicine and Prevention, University of Tor Vergata, Rome, Italy
| | - Serena Travaglini
- Department of Biomedicine and Prevention, University of Tor Vergata, Rome, Italy
| | - Maurizio Mattei
- Department of Biology, University of Tor Vergata, Rome, Italy
- Centro Interdipartimentale-CIMETA, University of Tor Vergata, Rome, Italy
| | - Rosella Cicconi
- Centro Interdipartimentale-CIMETA, University of Tor Vergata, Rome, Italy
| | - Selenia Miglietta
- Department of Anatomical, Histological, Forensic Medicine and Orthopedics Sciences, Section of Human Anatomy, Sapienza University of Rome, Rome, Italy
| | - Giuseppe Familiari
- Department of Anatomical, Histological, Forensic Medicine and Orthopedics Sciences, Section of Human Anatomy, Sapienza University of Rome, Rome, Italy
| | - Stefania Annarita Nottola
- Department of Anatomical, Histological, Forensic Medicine and Orthopedics Sciences, Section of Human Anatomy, Sapienza University of Rome, Rome, Italy
| | - Vincenzo Petrozza
- Department of Medico-Surgical Sciences & Biotechnologies, Center for Biophotonics, Sapienza University of Rome, Latina, Italy
| | - Luca Tamagnone
- Department of Life Sciences and Public Health, Histology and Embryology Unit, Catholic University of the Sacred Hearth, Rome, Italy
- Fondazione Policlinico Universitario "A. Gemelli", IRCCS, Rome, Italy
| | - Maria Teresa Voso
- Department of Biomedicine and Prevention, University of Tor Vergata, Rome, Italy
- Santa Lucia Foundation, I.R.C.C.S., Neuro-Oncohematology, Rome, Italy
| | - Silvia Masciarelli
- Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, Section of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy.
| | - Francesco Fazi
- Department of Anatomical, Histological, Forensic Medicine and Orthopedic Sciences, Section of Histology and Medical Embryology, Sapienza University of Rome, Rome, Italy.
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Mima F, Fuji S, Shibata K, Kida S, Tsutsumi K, Tada Y, Shingai Y, Yuda S, Yokota T, Ishikawa J. Gilteritinib in peritransplant period for relapsed or refractory FLT3-mutated acute myeloid leukemia: A case report of three patients. BLOOD CELL THERAPY 2023; 6:77-79. [PMID: 38146352 PMCID: PMC10749211 DOI: 10.31547/bct-2023-003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 03/16/2023] [Indexed: 12/27/2023]
Abstract
Patients with relapsed or refractory acute myeloid leukemia (RR-AML) with mutations of FMS-like tyrosine kinase 3 (FLT3) have a poor prognosis even after allogeneic hematopoietic cell transplantation (allo-HCT). Multiple FLT3 inhibitors, including gilteritinib, have been developed and serve as treatment options for RR-AML. Here, we describe three cases of FLT3 mutated RR-AML that were successfully treated with gilteritinib administration before and after allo-HCT. Gilteritinib treatment before HCT was helpful in achieving remission. However, HCT often resulted in mild liver damage, and careful introduction of gilteritinib after HCT at a lower dose may be helpful for its safe usage. The three cases discussed had a successful clinical outcome in terms of disease control as well as the management of side effects associated with gilteritinib treatment.
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Affiliation(s)
- Fuka Mima
- Department of Hematology, Osaka International Cancer Institute, Osaka, Japan
| | - Shigeo Fuji
- Department of Hematology, Osaka International Cancer Institute, Osaka, Japan
| | - Kumi Shibata
- Department of Hematology, Osaka International Cancer Institute, Osaka, Japan
- Department of Hematology and Oncology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Shuhei Kida
- Department of Hematology, Osaka International Cancer Institute, Osaka, Japan
- Department of Hematology and Oncology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Kazuhito Tsutsumi
- Department of Hematology, Osaka International Cancer Institute, Osaka, Japan
- Department of Hematology and Oncology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yuma Tada
- Department of Hematology, Osaka International Cancer Institute, Osaka, Japan
| | - Yasuhiro Shingai
- Department of Hematology, Osaka International Cancer Institute, Osaka, Japan
| | - Sayako Yuda
- Department of Hematology, Osaka International Cancer Institute, Osaka, Japan
| | - Takafumi Yokota
- Department of Hematology, Osaka International Cancer Institute, Osaka, Japan
| | - Jun Ishikawa
- Department of Hematology, Osaka International Cancer Institute, Osaka, Japan
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33
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Saburi M, Sakata M, Maruyama R, Kodama Y, Takata H, Miyazaki Y, Kawano K, Wada J, Urabe S, Ohtsuka E. Gilteritinib as Bridging and Posttransplant Maintenance for Relapsed Acute Myeloid Leukemia with FLT3-ITD Mutation Accompanied by Extramedullary Disease in Elderly. Case Rep Hematol 2023; 2023:7164742. [PMID: 37662831 PMCID: PMC10468783 DOI: 10.1155/2023/7164742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/05/2023] [Accepted: 08/17/2023] [Indexed: 09/05/2023] Open
Abstract
A 69-year-old woman was diagnosed with acute myeloid leukemia (AML) with an FMS-like tyrosine kinase 3-internal tandem duplication (FLT3-ITD) mutation. Complete remission (CR) was achieved after induction therapy, but AML resulted in a hematological relapse two months after the consolidation chemotherapy. Relapse was accompanied by multiple skin lesions that demonstrated leukemic cell infiltration as well as a drooping right eyelid with extroversion of the eye due to right oculomotor palsy. Gilteritinib was started as salvage therapy, and bone marrow blasts decreased to 0.8% after one month. Two months later, the eye symptoms improved, and the patient underwent cord blood transplantation (CBT). The skin lesions disappeared after the conditioning regimen, and the patient achieved CR status with complete donor chimerism at day 28. Gilteritinib was restarted as posttransplant maintenance therapy on day 53 of CBT. No adverse events other than mild hepatotoxicity were observed, and the patient was alive and in CR status, while continuing gilteritinib at one year and seven months after CBT. Bridging and posttransplant maintenance therapy with gilteritinib may be a promising therapeutic option for relapsed AML with the FLT3-ITD mutation in elderly patients.
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Affiliation(s)
- Masuho Saburi
- Department of Hematology, Oita Prefectural Hospital, Oita, Japan
| | - Masanori Sakata
- Department of Hematology, Oita Prefectural Hospital, Oita, Japan
| | - Rika Maruyama
- Department of Hematology, Oita Prefectural Hospital, Oita, Japan
| | - Yosuke Kodama
- Department of Hematology, Oita Prefectural Hospital, Oita, Japan
| | - Hiroyuki Takata
- Department of Hematology, Oita Prefectural Hospital, Oita, Japan
| | | | - Katsuya Kawano
- Department of Clinical Laboratory Technology, Oita Prefectural Hospital, Oita, Japan
| | - Junpei Wada
- Department of Pathology, Oita Prefectural Hospital, Oita, Japan
| | - Shogo Urabe
- Department of Pathology, Oita Prefectural Hospital, Oita, Japan
| | - Eiichi Ohtsuka
- Department of Hematology, Oita Prefectural Hospital, Oita, Japan
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34
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Edahiro T, Ureshino H, Chishaki R, Fujino K, Mino T, Yoshida T, Fukushima N, Ichinohe T. Successful Pre- and Post-transplant Administration of Gilteritinib in a Patient with Relapsed and Refractory Acute Myeloid Leukemia Undergoing Allogeneic Peripheral Blood Stem Cell Transplantation. Intern Med 2023; 62:2243-2247. [PMID: 36450475 PMCID: PMC10465286 DOI: 10.2169/internalmedicine.1069-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 10/20/2022] [Indexed: 12/04/2022] Open
Abstract
Patients with acute myeloid leukemia (AML) harboring FMS-like tyrosine kinase 3 (FLT3)-internal tandem duplication mutation are associated with a poor survival outcome, even those receiving allogeneic stem cell transplantation (Allo-SCT). An additional treatment strategy with allo-SCT is therefore required to reduce relapse in these patients. Gilteritinib is a specific FLT3 inhibitor that has shown clinical benefit for patients with relapsed and refractory (R/R) AML harboring FLT3 mutation. We herein report a 49-year-old woman with R/R AML who was successfully treated with pre- and post-transplant gilteritinib. Post-transplant gilteritnib yielded a durable response with possible exacerbation of graft-versus-host disease.
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Affiliation(s)
- Taro Edahiro
- Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Japan
| | - Hiroshi Ureshino
- Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Japan
- Next Generation Development of Genome and Cellular Therapy Program, Research Institute for Radiation Biology and Medicine (RIRBM), Hiroshima University, Japan
| | - Ren Chishaki
- Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Japan
| | - Keita Fujino
- Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Japan
| | - Tatsuji Mino
- Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Japan
| | - Tetsumi Yoshida
- Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Japan
| | | | - Tatsuo Ichinohe
- Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Japan
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35
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Sartor C, Brunetti L, Audisio E, Cignetti A, Zannoni L, Cristiano G, Nanni J, Ciruolo R, Zingarelli F, Ottaviani E, Patuelli A, Bandini L, Forte D, Sciabolacci S, Cardinali V, Papayannidis C, Cavo M, Martelli MP, Curti A. A venetoclax and azacitidine bridge-to-transplant strategy for NPM1-mutated acute myeloid leukaemia in molecular failure. Br J Haematol 2023; 202:599-607. [PMID: 37226312 DOI: 10.1111/bjh.18887] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 05/12/2023] [Accepted: 05/16/2023] [Indexed: 05/26/2023]
Abstract
NPM1-mutated acute myeloid leukaemia (NPM1mut AML) represents a mostly favourable/intermediate risk disease that benefits from allogeneic haematopoietic stem cell transplantation (HSCT) in case of measurable residual disease (MRD) relapse or persistence after induction chemotherapy. Although the negative prognostic role of pre-HSCT MRD is established, no recommendations are available for the management of peri-transplant molecular failure (MF). Based on the efficacy data of venetoclax (VEN)-based treatment in NPM1mut AML older patients, we retrospectively analysed the off-label combination of VEN plus azacitidine (AZA) as bridge-to-transplant strategy in 11 NPM1mut MRD-positive fit AML patients. Patients were in MRD-positive complete remission (CRMRDpos ) at the time of treatment: nine in molecular relapse and two in molecular persistence. After a median number of two cycles (range 1-4) of VEN-AZA, 9/11 (81.8%) achieved CRMRD -negative (CRMRDneg ). All 11 patients proceeded to HSCT. With a median follow-up from treatment start of 26 months, and a median post-HSCT follow-up of 19 months, 10/11 patients are alive (1 died from non-relapse mortality), and 9/10 patients are in MRDneg status. This patient series highlights the efficacy and safety of VEN-AZA to prevent overt relapse, achieve deep responses and preserve patient fitness before HSCT, in patients with NPM1mut AML in MF.
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Affiliation(s)
- C Sartor
- Dipartimento di Scienze Mediche e Chirurgiche, Istituto di Ematologia "Seràgnoli", Università degli Studi di Bologna, Bologna, Italy
| | - L Brunetti
- Clinica di Ematologia, Azienda Ospedaliero-Universitaria Ospedali Riuniti delle Marche, Ancona, Italy
| | - E Audisio
- SC Ematologia, Dipartimento di Ematologia e Oncologia, AO Città della Salute e della Scienza di Torino, Turin, Italy
| | - A Cignetti
- Department of Hematology and Cell Therapy, A.O. Ordine Mauriziano, Turin, Italy
| | - L Zannoni
- Dipartimento di Scienze Mediche e Chirurgiche, Istituto di Ematologia "Seràgnoli", Università degli Studi di Bologna, Bologna, Italy
| | - G Cristiano
- Dipartimento di Scienze Mediche e Chirurgiche, Istituto di Ematologia "Seràgnoli", Università degli Studi di Bologna, Bologna, Italy
| | - J Nanni
- Dipartimento di Scienze Mediche e Chirurgiche, Istituto di Ematologia "Seràgnoli", Università degli Studi di Bologna, Bologna, Italy
| | - R Ciruolo
- Dipartimento di Scienze Mediche e Chirurgiche, Istituto di Ematologia "Seràgnoli", Università degli Studi di Bologna, Bologna, Italy
| | - F Zingarelli
- Dipartimento di Scienze Mediche e Chirurgiche, Istituto di Ematologia "Seràgnoli", Università degli Studi di Bologna, Bologna, Italy
| | - E Ottaviani
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli" Bologna, Bologna, Italy
| | - A Patuelli
- Dipartimento di Scienze Mediche e Chirurgiche, Istituto di Ematologia "Seràgnoli", Università degli Studi di Bologna, Bologna, Italy
| | - L Bandini
- Dipartimento di Scienze Mediche e Chirurgiche, Istituto di Ematologia "Seràgnoli", Università degli Studi di Bologna, Bologna, Italy
| | - D Forte
- Dipartimento di Scienze Mediche e Chirurgiche, Istituto di Ematologia "Seràgnoli", Università degli Studi di Bologna, Bologna, Italy
| | - S Sciabolacci
- Institute of Hematology, Centro Ricerche Emato-Oncologiche, Ospedale S. Maria della Misericordia, University of Perugia, Perugia, Italy
| | - V Cardinali
- Institute of Hematology, Centro Ricerche Emato-Oncologiche, Ospedale S. Maria della Misericordia, University of Perugia, Perugia, Italy
| | - C Papayannidis
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli" Bologna, Bologna, Italy
| | - M Cavo
- Dipartimento di Scienze Mediche e Chirurgiche, Istituto di Ematologia "Seràgnoli", Università degli Studi di Bologna, Bologna, Italy
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli" Bologna, Bologna, Italy
| | - M P Martelli
- Institute of Hematology, Centro Ricerche Emato-Oncologiche, Ospedale S. Maria della Misericordia, University of Perugia, Perugia, Italy
| | - A Curti
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli" Bologna, Bologna, Italy
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Katagiri S, Furuya N, Akahane D, Chi S, Minami Y, Harada Y, Harada H, Gotoh A. Gilteritinib Affects the Selection of Dominant Clones in Clonal Hematopoiesis: Sequential Genetic Analysis of an FLT3-ITD Positive AML Patient with Long-Term Gilteritinib Therapy. Onco Targets Ther 2023; 16:571-576. [PMID: 37465589 PMCID: PMC10350419 DOI: 10.2147/ott.s417137] [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: 04/27/2023] [Accepted: 07/04/2023] [Indexed: 07/20/2023] Open
Abstract
We performed sequential molecular analyses of a 75-year-old woman with de novo FLT3-ITD positive acute myeloid leukemia (AML) who had received gilteritinib therapy for 43 months. At the time of diagnosis, her karyotype was normal; however, FLT3-ITD, NPM1, DNMT3A, and IDH2 mutations were detected. She received induction therapy with daunorubicin and cytarabine and achieved hematological complete remission (HCR). After attaining HCR, she underwent consolidation therapy with azacytidine or cytarabine, aclarubicin, and granulocyte-colony stimulating factor. However, AML relapsed eight months after the first HCR. FLT3-ITD and NPM1 mutations were persistently positive, and the patient received gilteritinib therapy. Although the FLT3-ITD clone was not detected during gilteritinib treatment, a clone harboring monosomy 7 and CBL mutations emerged. Bone marrow examinations at 15, 24, and 32 months after gilteritinib treatment revealed multi-lineage blood cell dysplasia without an increase in myeloblasts. After 33 months of treatment, gilteritinib was discontinued for two months because to ileus development, and the FLT3-ITD clone was detected again. Gilteritinib treatment was restarted, and FLT3-ITD became negative. Our analysis demonstrated that: (1) hematopoiesis derived from gilteritinib-resistant clones was generated by long-term gilteritinib treatment, and (2) FLT3-ITD clones regained clonal dominance in the absence of FLT3 inhibition. These findings suggest that gilteritinib affects the selection of dominant clones during clonal hematopoiesis.
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Affiliation(s)
| | - Nahoko Furuya
- Department of Hematology, Tokyo Medical University, Tokyo, Japan
| | - Daigo Akahane
- Department of Hematology, Tokyo Medical University, Tokyo, Japan
| | - SungGi Chi
- Department of Hematology, National Cancer Center Hospital East, Chiba, Japan
| | - Yosuke Minami
- Department of Hematology, National Cancer Center Hospital East, Chiba, Japan
| | - Yuka Harada
- Department of Clinical Laboratory, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan
| | - Hironori Harada
- Laboratory of Oncology, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan
| | - Akihiko Gotoh
- Department of Hematology, Tokyo Medical University, Tokyo, Japan
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37
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Wang J, Tomlinson B, Lazarus HM. Update on Small Molecule Targeted Therapies for Acute Myeloid Leukemia. Curr Treat Options Oncol 2023; 24:770-801. [PMID: 37195589 DOI: 10.1007/s11864-023-01090-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/27/2023] [Indexed: 05/18/2023]
Abstract
OPINION STATEMENT The search for effective therapies for the highly heterogenous disease acute myeloid leukemia (AML) has remained elusive. While cytotoxic therapies can induce complete remission and even, at times, long-term survival, this approach is associated with significant toxic effects to visceral organs and worsening of immune dysfunction and marrow suppression leading to death. Sophisticated molecular studies have revealed defects within the AML cell that can be exploited by utilizing small molecule agents to target these defects, often dubbed "target therapy." Several medications have already established new standards of care for many patients with AML, including FDA-approved agents that inhibitor IDH1, IDH2, FLT3, and BCL-2. Emerging small molecules hold additional to add to the armamentarium of AML treatment options including MCL-1 inhibitors, TP53 inhibitors, menin inhibitors, and E-selectin antagonists. Moreover, the increasing options also mean that future combinations of these agents need to be explored, including with cytotoxic drugs and other newer emerging strategies such as immunotherapies for AML. Recent investigations continue to show that overcoming many of the challenges of treating AML finally is on the horizon.
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Affiliation(s)
- Jiasheng Wang
- Division of Hematology, Department of Medicine, Seidman Cancer Center, University Hospitals Cleveland Medical Center, Case Western Reserve University, 11000 Euclid Avenue, Cleveland, OH, 44106, USA
| | - Benjamin Tomlinson
- Division of Hematology, Department of Medicine, Seidman Cancer Center, University Hospitals Cleveland Medical Center, Case Western Reserve University, 11000 Euclid Avenue, Cleveland, OH, 44106, USA.
| | - Hillard M Lazarus
- Division of Hematology, Department of Medicine, Seidman Cancer Center, University Hospitals Cleveland Medical Center, Case Western Reserve University, 11000 Euclid Avenue, Cleveland, OH, 44106, USA
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Turkalj S, Radtke FA, Vyas P. An Overview of Targeted Therapies in Acute Myeloid Leukemia. Hemasphere 2023; 7:e914. [PMID: 37304938 PMCID: PMC10256410 DOI: 10.1097/hs9.0000000000000914] [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: 04/18/2023] [Accepted: 05/01/2023] [Indexed: 06/13/2023] Open
Abstract
Acute myeloid leukemia (AML) is the most aggressive adult leukemia, characterized by clonal differentiation arrest of progenitor or precursor hematopoietic cells. Intense preclinical and clinical research has led to regulatory approval of several targeted therapeutics, administered either as single agents or as combination therapies. However, the majority of patients still face a poor prognosis and disease relapse frequently occurs due to selection of therapy-resistant clones. Hence, more effective novel therapies, most likely as innovative, rational combination therapies, are urgently needed. Chromosomal aberrations, gene mutations, and epigenetic alterations drive AML pathogenesis but concurrently provide vulnerabilities to specifically target leukemic cells. Other molecules, either aberrantly active and/or overexpressed in leukemic stem cells, may also be leveraged for therapeutic benefit. This concise review of targeted therapies for AML treatment, which are either approved or are being actively investigated in clinical trials or recent preclinical studies, provides a flavor of the direction of travel, but also highlights the current challenges in AML treatment.
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Affiliation(s)
- Sven Turkalj
- MRC Molecular Hematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, United Kingdom
- Oxford Centre for Hematology, NIHR Oxford Biomedical Research Centre, Oxford, United Kingdom
| | - Felix A. Radtke
- MRC Molecular Hematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, United Kingdom
- Oxford Centre for Hematology, NIHR Oxford Biomedical Research Centre, Oxford, United Kingdom
- Department of Medicine V, Hematology, Oncology and Rheumatology, Heidelberg University Hospital, Heidelberg, Germany
| | - Paresh Vyas
- MRC Molecular Hematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, United Kingdom
- Oxford Centre for Hematology, NIHR Oxford Biomedical Research Centre, Oxford, United Kingdom
- Department of Hematology, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
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Magee G, Ragon BK. Allogeneic hematopoietic cell transplantation in acute myeloid leukemia. Best Pract Res Clin Haematol 2023; 36:101466. [PMID: 37353286 DOI: 10.1016/j.beha.2023.101466] [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: 01/31/2023] [Revised: 04/03/2023] [Accepted: 04/04/2023] [Indexed: 06/25/2023]
Abstract
Allogeneic hematopoietic cell transplantation (HCT) is a curative treatment modality for select patients with acute myeloid leukemia (AML), functioning as a restorative agent following intensified chemo- and/or radiotherapy and also engendering the disease-directed immunologic threat of graft-versus-leukemia effect. Advancements in conditioning regimen intensity, donor availability, and supportive care have broadened the eligibility for allogeneic HCT, reduced rates of transplant related mortality, and improved outcomes over time. There are still obstacles to transplant in AML, offering opportunities for ongoing discovery, including poor recipient fitness, insufficient donor availability for certain populations, and limited access to care. Relapse remains the most common cause of treatment failure and a high priority area of investigative efforts. Post-transplant maintenance and novel applications of cellular therapeutics are expected to usher in a new era of promise for successful HCT in AML and will aim to overcome the remaining barriers impeding favorable outcomes for these patients.
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Affiliation(s)
- Gray Magee
- Department of Hematologic Oncology and Blood Disorders, The Levine Cancer Institute, Atrium Health, Charlotte, NC, USA
| | - Brittany Knick Ragon
- Department of Hematologic Oncology and Blood Disorders, The Levine Cancer Institute, Atrium Health, Charlotte, NC, USA.
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40
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Premnath N, Madanat YF. Paradigm Shift in the Management of Acute Myeloid Leukemia-Approved Options in 2023. Cancers (Basel) 2023; 15:cancers15113002. [PMID: 37296964 DOI: 10.3390/cancers15113002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/18/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
The word Leukemia was coined nearly 200 years ago by Rudolf Virchow. Once a death sentence, Acute Myeloid Leukemia (AML) is now a treatable condition. The introduction of "7 + 3" chemotherapy, originally reported from the Roswell Park Memorial institute in Buffalo, New York, in 1973, changed the treatment paradigm for AML. About twenty-seven years later, FDA approved the first targeted agent, gemtuzumab, to be added to this backbone. During the last seven years, we have had ten new drugs approved for the management of patients with AML. Work by many dedicated scientists led to AML achieving the elite status of being the first cancer to have the whole genome sequenced using next-generation sequencing. In the year 2022, we witnessed the introduction of new classification systems for AML by the international consensus classification and the world health organization, both emphasizing molecular classification of the disease. In addition, the introduction of agents such as venetoclax and targeted therapies have changed the treatment paradigm in older patients ineligible for intensive therapy. In this review, we cover the rationale and evidence behind these regimens and provide insights into the newer agents.
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Affiliation(s)
- Naveen Premnath
- Division of Hematology and Medical Oncology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75235, USA
| | - Yazan F Madanat
- Division of Hematology and Medical Oncology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75235, USA
- Leukemia Program, Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, TX 75235, USA
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Molica M, Perrone S, Rossi M. Gilteritinib: The Story of a Proceeding Success into Hard-to-Treat FLT3-Mutated AML Patients. J Clin Med 2023; 12:jcm12113647. [PMID: 37297842 DOI: 10.3390/jcm12113647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 05/18/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
The traditionally dismal outcome of acute myeloid leukemia (AML) patients carrying the FMS-related tyrosine kinase 3 (FLT3) mutations has been mitigated by the recent introduction of tyrosine kinase inhibitors (TKI) into clinics, such as midostaurin and gilteritinib. The present work summarizes the clinical data that led to the use of gilteritinib in clinical practice. Gilteritinib is a second-generation TKI with deeper single-agent activity than first-generation drugs against both FLT3-ITD and TKD mutations in human studies. Moreover, the phase I/II dose-escalation, dose-expansion Chrysalis trial showed an acceptable safety profile of gilteritinib (diarrhea, elevated aspartate aminotransferase, febrile neutropenia, anemia, thrombocytopenia, sepsis, and pneumonia) and a 49% overall response rate (ORR) in 191 FLT3-mutated relapsed/refractory (R/R) AML patients. In 2019, the pivotal ADMIRAL trial showed that the median overall survival was significantly longer in patients treated with gilteritinib than among those receiving chemotherapy (9.3 vs. 5.6 months, respectively) and the ORR to gilteritinib was 67.6%, outperforming the 25.8% for chemotherapy arm and leading to the license for its clinical use by the US Food and Drug Administration. Since then, several real-world experiences have confirmed the positive results in the R/R AML setting. Finally, gilteritinib-based combinations currently under investigation, with several compounds (venetoclax, azacitidine, conventional chemotherapy, etc.) and some practical tips (maintenance after allogeneic transplantation, interaction with antifungal drugs, extramedullary disease, and onset of resistance), will be analyzed in detail in this review.
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Affiliation(s)
- Matteo Molica
- Department of Hematology-Oncology, Azienda Ospedaliera Pugliese-Ciaccio, 88100 Catanzaro, Italy
| | - Salvatore Perrone
- Department of Hematology, Polo Universitario Pontino, S.M. Goretti Hospital, 04100 Latina, Italy
| | - Marco Rossi
- Department of Hematology-Oncology, Azienda Ospedaliera Pugliese-Ciaccio, 88100 Catanzaro, Italy
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Piccini M, Mannelli F, Coltro G. The Role of Venetoclax in Relapsed/Refractory Acute Myeloid Leukemia: Past, Present, and Future Directions. Bioengineering (Basel) 2023; 10:bioengineering10050591. [PMID: 37237661 DOI: 10.3390/bioengineering10050591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 05/08/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023] Open
Abstract
Relapsed and/or refractory (R/R) acute myeloid leukemia (AML) is hallmarked by dramatic prognosis. Treatment remains challenging, with allogeneic hematopoietic stem cell transplantation (HSCT) as the only curative option. The BCL-2 inhibitor venetoclax (VEN) has proven to be a promising therapy for AML and is currently the standard of care in combination with hypomethylating agents (HMAs) for newly diagnosed AML patients ineligible for induction chemotherapy. Given its satisfactory safety profile, VEN-based combinations are increasingly being investigated as a part of the therapeutic strategy for R/R AML. The current paper aims to provide a comprehensive review of the main evidence regarding VEN in the setting of R/R AML, with a specific focus on combinational strategies, including HMAs and cytotoxic chemotherapy, as well as different clinical settings, especially in view of the crucial role of HSCT. A discussion of what is known about drug resistance mechanisms and future combinational strategies is also provided. Overall, VEN-based regimes (mainly VEN + HMA) have provided unprecedented salvage treatment opportunities in patients with R/R AML, with low extra-hematological toxicity. On the other hand, the issue of overcoming resistance is one of the most important fields to be addressed in upcoming clinical research.
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Affiliation(s)
- Matteo Piccini
- Hematology Department, Azienda Ospedaliero-Universitaria Careggi, 50134 Florence, Italy
| | - Francesco Mannelli
- Hematology Department, Azienda Ospedaliero-Universitaria Careggi, 50134 Florence, Italy
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy
- CRIMM, Center for Research and Innovation of Myeloproliferative Neoplasms, Azienda Ospedaliero-Universitaria Careggi, 50134 Florence, Italy
| | - Giacomo Coltro
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy
- CRIMM, Center for Research and Innovation of Myeloproliferative Neoplasms, Azienda Ospedaliero-Universitaria Careggi, 50134 Florence, Italy
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Tasaka K, Kato I, Takeshita S, Yoshioka Y, Usami A, Uchihara Y, Akazawa R, Kamitori T, Saida S, Umeda K, Hiramatsu H, Adachi S, Takita J. Second relapse of FLT3-ITD-positive acute myeloid leukemia after discontinuation of 3-year post-transplant maintenance therapy with gilteritinib. Pediatr Blood Cancer 2023; 70:e30185. [PMID: 36579805 DOI: 10.1002/pbc.30185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/05/2022] [Accepted: 12/07/2022] [Indexed: 12/30/2022]
Affiliation(s)
- Keiji Tasaka
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Itaru Kato
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Shunki Takeshita
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yu Yoshioka
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ayuko Usami
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshinori Uchihara
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ryo Akazawa
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Tatsuya Kamitori
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Satoshi Saida
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Katsutsugu Umeda
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hidefumi Hiramatsu
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Souichi Adachi
- Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Junko Takita
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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Lai C, Bhansali RS, Kuo EJ, Mannis G, Lin RJ. Older Adults With Newly Diagnosed AML: Hot Topics for the Practicing Clinician. Am Soc Clin Oncol Educ Book 2023; 43:e390018. [PMID: 37155946 DOI: 10.1200/edbk_390018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Over the past decade, our understanding of AML pathogenesis and pathophysiology has improved significantly with mutational profiling. This has led to translational advances in therapeutic options, as there have been 10 new US Food and Drug Administration (FDA) approvals for AML therapies since 2017, half of which target specific driver mutations in FLT3, IDH1, or IDH2. These new agents have expanded the therapeutic armamentarium for AML, particularly for patients who are considered ineligible for intensive chemotherapy with anthracycline- and cytarabine-containing regimens. These new treatment options are relevant because the median age at diagnosis is 68 years, and outcomes for patients older than 60 years have historically been dismal. However, the optimal approach to incorporating novel agents into frontline regimens remains a clinical challenge, particularly with regard to sequencing of therapies, considering the role of allogeneic hematopoietic stem cell transplantation and managing toxicities.
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Affiliation(s)
- Catherine Lai
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA
| | - Rahul S Bhansali
- Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA
| | - Eric J Kuo
- Division of Hematology, Department of Medicine, Stanford University, Stanford, CA
| | - Gabriel Mannis
- Division of Hematology, Department of Medicine, Stanford University, Stanford, CA
| | - Richard J Lin
- Memorial Sloan Kettering Cancer Center, New York, NY
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45
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Perrone S, Ottone T, Zhdanovskaya N, Molica M. How acute myeloid leukemia (AML) escapes from FMS-related tyrosine kinase 3 (FLT3) inhibitors? Still an overrated complication? CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2023; 6:223-238. [PMID: 37457126 PMCID: PMC10344728 DOI: 10.20517/cdr.2022.130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 03/21/2023] [Accepted: 04/11/2023] [Indexed: 07/18/2023]
Abstract
FMS-related tyrosine kinase 3 (FLT3) mutations, present in about 25%-30% of acute myeloid leukemia (AML) patients, constitute one of the most frequently detected mutations in these patients. The binding of FLT3L to FLT3 activates the phosphatidylinositol 3-kinase (PI3K) and RAS pathways, producing increased cell proliferation and the inhibition of apoptosis. Two types of FLT3 mutations exist: FLT3-ITD and FLT3-TKD (point mutations in D835 and I836 or deletion of codon I836). A class of drugs, tyrosine-kinase inhibitors (TKI), targeting mutated FLT3, is already available with 1st and 2nd generation molecules, but only midostaurin and gilteritinib are currently approved. However, the emergence of resistance or the selection of clones not responding to FLT3 inhibitors has become an important clinical dilemma, as the duration of clinical responses is generally limited to a few months. This review analyzes the insights into mechanisms of resistance to TKI and poses a particular view on the clinical relevance of this phenomenon. Has resistance been overlooked? Indeed, FLT3 inhibitors have significantly contributed to reducing the negative impact of FLT3 mutations on the prognosis of AML patients who are no longer considered at high risk by the European LeukemiaNet (ELN) 2022. Finally, several ongoing efforts to overcome resistance to FLT3-inhibitors will be presented: new generation FLT3 inhibitors in monotherapy or combined with standard chemotherapy, hypomethylating drugs, or IDH1/2 inhibitors, Bcl2 inhibitors; novel anti-human FLT3 monoclonal antibodies (e.g., FLT3/CD3 bispecific antibodies); FLT3-CAR T-cells; CDK4/6 kinase inhibitor (e.g., palbociclib).
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Affiliation(s)
- Salvatore Perrone
- Hematology, Polo Universitario Pontino, S.M. Goretti Hospital, Latina 04100, Italy
| | - Tiziana Ottone
- Department of Biomedicine and Prevention, the University of Rome “Tor Vergata”, Rome 00100 Italy
- Neuro-Oncohematology, Santa Lucia Foundation, I.R.C.C.S., Rome 00100, Italy
| | - Nadezda Zhdanovskaya
- Hematology, Department of Translational and Precision Medicine, Sapienza University, Rome 00161, Italy
| | - Matteo Molica
- Hematology Unit, S. Eugenio Hospital, ASL Roma 2, Rome 00144, Italy
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46
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Early initiation of low-dose gilteritinib maintenance improves posttransplant outcomes in patients with R/R FLT3mut AML. Blood Adv 2023; 7:681-686. [PMID: 36583677 PMCID: PMC9984958 DOI: 10.1182/bloodadvances.2022008991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 12/02/2022] [Accepted: 01/31/2022] [Indexed: 12/31/2022] Open
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47
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Gene Mutations and Targeted Therapies of Myeloid Sarcoma. Curr Treat Options Oncol 2023; 24:338-352. [PMID: 36877373 DOI: 10.1007/s11864-023-01063-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/20/2023] [Indexed: 03/07/2023]
Abstract
OPINION STATEMENT Myeloid sarcoma, a rare malignant tumor characterized by the invasion of extramedullary tissue by immature myeloid cells, commonly occurs concomitantly with acute myeloid leukemia, myelodysplastic syndromes, or myeloproliferative neoplasms. The rarity of myeloid sarcoma poses challenges for diagnosis and treatment. Currently, treatments for myeloid sarcoma remain controversial and primarily follow protocols for acute myeloid leukemia, such as chemotherapy utilizing multi-agent regimens, in addition to radiation therapy and/or surgery. The advancements in next-generation sequencing technology have led to significant progress in the field of molecular genetics, resulting in the identification of both diagnostic and therapeutic targets. The application of targeted therapeutics, such as FMS-like tyrosine kinase 3(FLT3) inhibitors, isocitrate dehydrogenases(IDH) inhibitors, and the B cell lymphoma 2(BCL2) inhibitors, has facilitated the gradual transformation of traditional chemotherapy into targeted precision therapy for acute myeloid leukemia. However, the field of targeted therapy for myeloid sarcoma is relatively under-investigated and not well-described. In this review, we comprehensively summarize the molecular genetic characteristics of myeloid sarcoma and the current application of targeted therapeutics.
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48
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Frisch A, Rowe JM, Ofran Y. The increasingly blurred line between induction, consolidation and maintenance in acute myeloid leukaemia. Br J Haematol 2023; 200:556-562. [PMID: 36572392 DOI: 10.1111/bjh.18613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 12/07/2022] [Accepted: 12/07/2022] [Indexed: 12/28/2022]
Abstract
Since the early 1970s, the treatment of acute myeloid leukaemia (AML) has undergone a major transformation. Initially based on only two drugs, an anthracycline and cytosine arabinoside, the aim of therapy was to achieve a haematological response allowing patients to recover and go home. Back in those early days, cure was not a realistic expectation. Treatment was analogous to a heart attack; upon recovery and a short respite, recurrence and death inevitably followed. Over the subsequent decades, slow but remarkable progress was made such that a subgroup of young adults could become long-term survivors. This astonishing feat was achieved initially without the use of new drugs. Supportive care played a major role with the widespread availability of platelet transfusions and improved antimicrobial therapy, particularly antifungal. No less important was the better use of existing drugs and the development of allogeneic haematopoietic cell transplantation. While initially the focus was on maximal tolerated therapy, an understanding of the immunologic role of allogeneic transplantation, better genetic characterization of the biology of the disease, advanced tools for detection of minimal disease as well as the recent development of new drugs changed the focus to a more refined approach targeting patients who are more likely to respond. Clearly, the historical paradigm where the term AML was generic and applicable to all patients requires a rethinking from the traditional therapeutic demarcations of therapy into phases of induction, consolidation and maintenance. These evolving new concepts and paradigm will be herein considered.
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Affiliation(s)
- Avi Frisch
- Department of Hematology and Bone Marrow Transplantation, Rappaport Faculty of Medicine, Rambam Health Care Campus, Technion, Haifa, Israel
| | - Jacob M Rowe
- Department of Hematology and Bone Marrow Transplantation, Rappaport Faculty of Medicine, Rambam Health Care Campus, Technion, Haifa, Israel.,Department of Hematology, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Yishai Ofran
- Department of Hematology, Shaare Zedek Medical Center, Jerusalem, Israel.,Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
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49
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Shimony S, Stahl M, Stone RM. Acute myeloid leukemia: 2023 update on diagnosis, risk-stratification, and management. Am J Hematol 2023; 98:502-526. [PMID: 36594187 DOI: 10.1002/ajh.26822] [Citation(s) in RCA: 57] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/01/2022] [Accepted: 12/15/2022] [Indexed: 01/04/2023]
Abstract
DISEASE OVERVIEW Acute myeloid leukemia (AML) is a frequently fatal bone marrow stem cell cancer characterized by unbridled proliferation of malignant marrow stem cells with associated infection, anemia, and bleeding. An improved understanding of pathophysiology, improvements in measurement technology and at least 10 recently approved therapies have led to revamping the diagnostic, prognostic, and therapeutic landscape of AML. DIAGNOSIS One updated and one new classification system were published in 2022, both emphasizing the integration of molecular analysis into daily practice. Differences between the International Consensus Classification and major revisions from the previous 2016 WHO system provide both challenges and opportunities for care and clinical research. RISK ASSESSMENT AND MONITORING The European Leukemia Net 2022 risk classification integrates knowledge from novel molecular findings and recent trial results, as well as emphasizing dynamic risk based on serial measurable residual disease assessment. However, how to leverage our burgeoning ability to measure a small number of potentially malignant myeloid cells into therapeutic decision making is controversial. RISK ADAPTED THERAPY The diagnostic and therapeutic complexity plus the availability of newly approved agents requires a nuanced therapeutic algorithm which should integrate patient goals of care, comorbidities, and disease characteristics including the specific mutational profile of the patient's AML. The framework we suggest only represents the beginning of the discussion.
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Affiliation(s)
- Shai Shimony
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.,Rabin Medical Center and Faculty of Medicine, Tel Aviv University, Tel Aviv-Yafo, Israel
| | - Maximilian Stahl
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Richard M Stone
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
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50
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Ciotti G, Marconi G, Sperotto A, Giannini MB, Gottardi M, Martinelli G. Biological therapy in elderly patients with acute myeloid leukemia. Expert Opin Biol Ther 2023; 23:175-194. [PMID: 36715330 DOI: 10.1080/14712598.2023.2174015] [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: 01/31/2023]
Abstract
INTRODUCTION The introduction of target molecules and immunological therapies is changing the treatment landscape of acute myeloid leukemia (AML). AREAS COVERED We recapitulate the biological therapies that can be employed in the treatment of elderly patients with AML. Alongside small molecules inhibitors that target specific gene mutations, antibodies, tumor microenvironment modulators, and cellular therapies are being developed for the cure of the disease. Here, we report the biological activities, the efficacy and toxicities of humanized antibodies and antibody-drug conjugates that targets surface antigens as CD33 (gemtuzumab ozogamicine) or CD123 (pivekimab sunirine). We further explore mechanisms and effectiveness of medications that modify the microenvironment, such as glasdegib, or that harness the immune system against leukemia, such as CD47 antibody magrolimab, PD1/PDL1 inhibitors pembrolizumab and nivolumab, TIM3 inhibitor sabatolimab, T-cell and NK-cell engagers. Cellular therapies are considered, even if a large trial is still pending for the feasibility of the approach. In this scenario, a brief overview of the mechanism of action of target agents is provided, particularly with respect to their biological mechanisms. EXPERT OPINION Overall, this therapeutic armamentarium will constitute the basis for multimodal and personalized combinations that, in the idea of precision medicine, will enormously benefit elderly AML patients.
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Affiliation(s)
- Giulia Ciotti
- Onco Hematology, Department of Oncology, Veneto Institute of Oncology IOV - IRCCS, Padua, Italy
| | - Giovanni Marconi
- IRCCS Istituto Romagnolo Per Lo Studio Dei Tumori (IRST) "Dino Amadori", Meldola, Italy
| | - Alessandra Sperotto
- Onco Hematology, Department of Oncology, Veneto Institute of Oncology IOV - IRCCS, Padua, Italy
| | - Maria B Giannini
- IRCCS Istituto Romagnolo Per Lo Studio Dei Tumori (IRST) "Dino Amadori", Meldola, Italy
| | - Michele Gottardi
- Onco Hematology, Department of Oncology, Veneto Institute of Oncology IOV - IRCCS, Padua, Italy
| | - Giovanni Martinelli
- IRCCS Istituto Romagnolo Per Lo Studio Dei Tumori (IRST) "Dino Amadori", Meldola, Italy
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