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Atar D, Ruoff L, Mast AS, Krost S, Moustafa-Oglou M, Scheuermann S, Kristmann B, Feige M, Canak A, Wolsing K, Schlager L, Schilbach K, Zekri L, Ebinger M, Nixdorf D, Subklewe M, Schulte J, Lengerke C, Jeremias I, Werchau N, Mittelstaet J, Lang P, Handgretinger R, Schlegel P, Seitz CM. Rational combinatorial targeting by adapter CAR-T-cells (AdCAR-T) prevents antigen escape in acute myeloid leukemia. Leukemia 2024; 38:2183-2195. [PMID: 39095503 PMCID: PMC11436361 DOI: 10.1038/s41375-024-02351-2] [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: 01/30/2024] [Revised: 06/14/2024] [Accepted: 07/09/2024] [Indexed: 08/04/2024]
Abstract
Targeting AML by chimeric antigen receptor T-cells (CAR-T) is challenging due to the promiscuous expression of AML-associated antigens in healthy hematopoiesis and high degree of inter- and intratumoral heterogeneity. Here, we present single-cell expression data of AML-associated antigens in 30 primary pediatric AML samples. We identified CD33, CD38, CD371, IL1RAP and CD123 as the most frequently expressed. Notably, high variability was observed not only across the different patient samples but also among leukemic cells of the same patient suggesting the necessity of multiplexed targeting approaches. To address this need, we utilized our modular Adapter CAR (AdCAR) platform, enabling precise qualitative and quantitative control over CAR-T-cell function. We show highly efficient and target-specific activity for newly generated adapter molecules (AMs) against CD33, CD38, CD123, CD135 and CD371, both in vitro and in vivo. We reveal that inherent intratumoral heterogeneity in antigen expression translates into antigen escape and therapy failure to monotargeted CAR-T therapy. Further, we demonstrate in PDX models that rational combinatorial targeting by AdCAR-T-cells can cure heterogenic disease. In conclusion, we elucidate the clinical relevance of heterogeneity in antigen expression in pediatric AML and present a novel concept for precision immunotherapy by combinatorial targeting utilizing the AdCAR platform.
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MESH Headings
- Humans
- Leukemia, Myeloid, Acute/immunology
- Leukemia, Myeloid, Acute/therapy
- Leukemia, Myeloid, Acute/pathology
- Immunotherapy, Adoptive/methods
- Receptors, Chimeric Antigen/immunology
- Receptors, Chimeric Antigen/metabolism
- Animals
- Mice
- Child
- Xenograft Model Antitumor Assays
- Antigens, Neoplasm/immunology
- T-Lymphocytes/immunology
- T-Lymphocytes/metabolism
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Affiliation(s)
- Daniel Atar
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
| | - Lara Ruoff
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
| | - Anna-Sophia Mast
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
| | - Simon Krost
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
| | - Moustafa Moustafa-Oglou
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
| | - Sophia Scheuermann
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
- Excellence cluster iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", Tübingen, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Partner site Tübingen, Tübingen, Germany
| | - Beate Kristmann
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
| | - Maximilian Feige
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
| | - Aysegül Canak
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
| | - Kathrin Wolsing
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
| | - Lennart Schlager
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
| | - Karin Schilbach
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
| | - Latifa Zekri
- Clinical Collaboration Unit Translational Immunology, German Cancer Consortium (DKTK), Department of Internal Medicine, University Hospital Tübingen, Tübingen, Germany
- Department of Immunology, IFIZ Institute for Cell Biology, Eberhard Karls University of Tübingen, Tübingen, Germany
| | - Martin Ebinger
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Partner site Tübingen, Tübingen, Germany
| | - Daniel Nixdorf
- Department of Medicine III, University Hospital, LMU, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Marion Subklewe
- Department of Medicine III, University Hospital, LMU, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Johannes Schulte
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
| | - Claudia Lengerke
- Department of Internal Medicine II, Hematology, Oncology, Clinical Immunology, and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Irmela Jeremias
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Munich, Munich, Germany
- German Cancer Consortium (DKTK), partner site Munich, Munich, Germany
- Department of Pediatrics, Dr. Von Hauner Children's Hospital, LMU University Hospital, LMU Munich, Munich, Germany
| | - Niels Werchau
- R&D Department, Miltenyi Biotec B.V. & CO. KG, Bergisch Gladbach, Germany
| | - Joerg Mittelstaet
- R&D Department, Miltenyi Biotec B.V. & CO. KG, Bergisch Gladbach, Germany
| | - Peter Lang
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
- Excellence cluster iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", Tübingen, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Partner site Tübingen, Tübingen, Germany
| | - Rupert Handgretinger
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany
| | - Patrick Schlegel
- School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Christian M Seitz
- Department of General Pediatrics, Hematology and Oncology, University Children's Hospital, Tuebingen, Germany.
- Excellence cluster iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", Tübingen, Germany.
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Partner site Tübingen, Tübingen, Germany.
- Hopp-Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany.
- Department of Pediatric Oncology, Hematology, and Immunology, Heidelberg University Hospital, Heidelberg, Germany.
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Reed DR, Lum LG. Looking ahead to CD3, T-cell engager bispecific antibodies for hematological malignancies. Expert Opin Biol Ther 2024; 24:761-772. [PMID: 39069893 DOI: 10.1080/14712598.2024.2384086] [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: 04/23/2024] [Accepted: 07/21/2024] [Indexed: 07/30/2024]
Abstract
INTRODUCTION Since the approval of the bispecific antibody blinatumomab in 2017 for the treatment of acute lymphoblastic leukemia in relapse, the development of numerous bispecific antibody constructs has dramatically expanded in hematologic malignancies. Many have recently received Food Drug Administration and European Medicines Agency approvals in various stages of treatment for lymphomas, leukemias, and multiple myeloma. AREAS COVERED The purpose of this review is to provide an overview of bispecific antibody treatment including the mechanisms leading to effector T cells targeting tumor-associated antigens, the treatment indications, efficacies, toxicities, and challenges of the different constructs. A literature search was performed through access to PubMed and clinicaltrials.gov. EXPERT OPINION While there has been substantial success in the treatment of NHL, MM, and ALL, there are still hematologic malignancies such as AML where there has been limited progress. It is important to continue to investigate new designs, tumor antigen targets, and further refine where current approved bispecific antibodies fit in terms of sequencing of therapy. Hopefully, with the knowledge gained in recent years and the explosion of these therapies, patients with blood cancers will continue to benefit from these treatments for years to come.
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Affiliation(s)
- Daniel R Reed
- Department of Medicine, Division of Hematology and Oncology, University of Virginia Comprehensive Cancer Center, Charlottesville, VA, USA
| | - Lawrence G Lum
- Department of Medicine, Division of Hematology and Oncology, University of Virginia Comprehensive Cancer Center, Charlottesville, VA, USA
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3
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Oya S, Ozawa H, Nakamura T, Mori A, Ochi S, Maehiro Y, Umeda M, Takaki Y, Fukuyama T, Yamasaki Y, Yamaguchi M, Aoyama K, Mouri F, Nagafuji K. CRISPR/Cas9 gene editing clarifies the role of CD33 SNP rs12459419 in gemtuzumab ozogamicin-mediated cytotoxicity. Int J Hematol 2024; 120:194-202. [PMID: 38853211 DOI: 10.1007/s12185-024-03803-2] [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: 02/22/2024] [Revised: 05/27/2024] [Accepted: 05/28/2024] [Indexed: 06/11/2024]
Abstract
The single-nucleotide polymorphism (SNP) rs12459419 is located at the intron/exon junction of CD33 exon2. When exon2 is skipped by this CD33 SNP, the full-length CD33 (CD33FL) is converted to a short CD33 isoform (CD33D2). Since gemtuzumab ozogamicin (GO) only recognizes CD33FL, the CD33 SNP may affect the clinical efficacy of GO. To elucidate the significance of CD33 SNP on GO reactivity, we leveraged the CRISPR/Cas9 genome-editing system to create OCI-AML3 cell lines with specifically modified CD33 SNPs. Levels of CD33 D2 mRNA were significantly higher in the T/T clone (p < 0.001), but CD33D2 protein was not detectable in any clones. There was no significant difference in CD33FL mRNA expression across edited clones, and CD33FL protein expression was lowest in T/T clones, followed by T/C and C/C. Cytotoxicity assays revealed that the IC50 of GO was significantly lower in T/C and C/C clones than in the T/T clone (p < 0.001). Our study demonstrated a difference in GO-induced cytotoxicity in CD33 SNP-edited clones, clearly indicating that at least one CD33 SNP allele, rs12459419 C, is important for sensitivity to GO.
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Affiliation(s)
- Shuki Oya
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Hidetoshi Ozawa
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Takayuki Nakamura
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Akira Mori
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Sorahiko Ochi
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Yoshimi Maehiro
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Masahiro Umeda
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Yusuke Takaki
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Toshinobu Fukuyama
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Yoshitaka Yamasaki
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Maki Yamaguchi
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Kazutoshi Aoyama
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Fumihiko Mouri
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Koji Nagafuji
- Division of Hematology and Oncology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan.
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Gao Z, Liu S, Xiao H, Li M, Ren WG, Xu L, Peng ZM. IRF8 deficiency-induced myeloid-derived suppressor cell promote immune evasion in lung adenocarcinoma. J Transl Med 2024; 22:678. [PMID: 39049031 PMCID: PMC11270856 DOI: 10.1186/s12967-024-05519-7] [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] [Received: 06/04/2024] [Accepted: 07/18/2024] [Indexed: 07/27/2024] Open
Abstract
BACKGROUND Patients with lung adenocarcinoma (LUAD) have a low response rate to immune checkpoint blockade. It is highly important to explore the tumor immune escape mechanism of LUAD patients and expand the population of patients who may benefit from immunotherapy. METHODS Based on 954 bulk RNA-seq data of LUAD patients and 15 single-cell RNA-seq data, the relationships between tumor immune dysfunction and exclusion (TIDE) scores and survival prognosis in each patient were calculated and evaluated, and the immune escape mechanism affecting the independent prognosis of LUAD patients was identified. Functional enrichment analysis explored the antitumour immune response and biological behavior of tumor cells among different LUAD groups. Single-cell annotation and pseudotemporal analysis were used to explore the target molecules and immune escape mechanisms of LUAD. RESULTS Myeloid-derived suppressor cells (MDSCs) and IRF8 were identified as risk and protective factors for the independent prognosis of LUAD patients, respectively. In the tumor microenvironment of patients with high infiltration of MDSCs, the antitumor immune response is significantly suppressed, while tumor cell division, proliferation, and distant metastasis are significantly enhanced. Single-cell RNA-seq analysis revealed that IRF8 is an important regulator of MDSC differentiation in LUAD myeloid cells. In addition, IRF8 may regulate the differentiation of MDSCs through the IL6-JAK-STAT3 signalling pathway. CONCLUSIONS IRF8 deficiency impairs the normal development of LUAD myeloid cells and induces their differentiation into MDSCs, thereby accelerating the immune escape of LUAD cells. IRF8-targeted activation to inhibit the formation of MDSCs may be a new target for immunotherapy in LUAD.
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Affiliation(s)
- Zhen Gao
- Department of Thoracic Surgery, Provincial Hospital Affiliated to Shandong First Medical University, Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China
| | - Shang Liu
- Department of Thoracic Surgery, Provincial Hospital Affiliated to Shandong First Medical University, Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China
| | - Han Xiao
- Department of Thoracic Surgery, Provincial Hospital Affiliated to Shandong First Medical University, Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China
| | - Meng Li
- Department of Thoracic Surgery, Provincial Hospital Affiliated to Shandong First Medical University, Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China
| | - Wan-Gang Ren
- Department of Thoracic Surgery, Provincial Hospital Affiliated to Shandong First Medical University, Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China
| | - Lin Xu
- Department of Thoracic Surgery, Provincial Hospital Affiliated to Shandong First Medical University, Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China.
| | - Zhong-Min Peng
- Department of Thoracic Surgery, Provincial Hospital Affiliated to Shandong First Medical University, Shandong First Medical University, Jinan, 250021, Shandong, People's Republic of China.
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5
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Taylor RP, Lindorfer MA. Antibody-drug conjugate adverse effects can be understood and addressed based on immune complex clearance mechanisms. Blood 2024; 144:137-144. [PMID: 38643493 DOI: 10.1182/blood.2024024442] [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: 03/01/2024] [Revised: 04/10/2024] [Accepted: 04/15/2024] [Indexed: 04/23/2024] Open
Abstract
ABSTRACT Numerous antibody-drug conjugates (ADCs) are being developed for cancer immunotherapy. Although several of these agents have demonstrated considerable clinical efficacy and have won Food and Drug Administration (FDA) approval, in many instances, they have been characterized by adverse side effects (ASEs), which can be quite severe in a fraction of treated patients. The key hypothesis in this perspective is that many of the most serious ASEs associated with the use of ADCs in the treatment of cancer can be most readily explained and understood due to the inappropriate processing of these ADCs via pathways normally followed for immune complex clearance, which include phagocytosis and trogocytosis. We review the key published basic science experiments and clinical observations that support this idea. We propose that it is the interaction of the ADC with Fcγ receptors expressed on off-target cells and tissues that can most readily explain ADC-mediated pathologies, which therefore provides a rationale for the design of protocols to minimize ASEs. We describe measurements that should help identify those patients most likely to experience ASE due to ADC, and we propose readily available treatments as well as therapies under development for other indications that should substantially reduce ASE associated with ADC. Our focus will be on the following FDA-approved ADC for which there are substantial literatures: gemtuzumab ozogamicin and inotuzumab ozogamicin; and trastuzumab emtansine and trastuzumab deruxtecan.
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Affiliation(s)
- Ronald P Taylor
- Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, VA
| | - Margaret A Lindorfer
- Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, VA
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6
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Bommier C, Maurer MJ, Lambert J. What clinicians should know about surrogate end points in hematologic malignancies. Blood 2024; 144:11-20. [PMID: 38603637 DOI: 10.1182/blood.2023022269] [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: 10/10/2023] [Revised: 03/14/2024] [Accepted: 04/03/2024] [Indexed: 04/13/2024] Open
Abstract
ABSTRACT Use of surrogates as primary end points is commonplace in hematology/oncology clinical trials. As opposed to prognostic markers, surrogates are end points that can be measured early and yet can still capture the full effect of treatment, because it would be captured by the true outcome (eg, overall survival). We discuss the level of evidence of the most commonly used end points in hematology and share recommendations on how to apply and evaluate surrogate end points in research and clinical practice. Based on the statistical literature, this clinician-friendly review intends to build a bridge between clinicians and surrogacy specialists.
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Affiliation(s)
- Côme Bommier
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN
- Epidemiology and Clinical Statistics for Tumor, Respiratory, and Resuscitation Assessments Team, INSERM, U1153, Assistance Publique-Hôpitaux de Paris Hôpital St Louis, Université Paris Cité, Paris, France
| | - Matthew John Maurer
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN
- Division of Hematology, Mayo Clinic, Rochester, MN
| | - Jerome Lambert
- Epidemiology and Clinical Statistics for Tumor, Respiratory, and Resuscitation Assessments Team, INSERM, U1153, Assistance Publique-Hôpitaux de Paris Hôpital St Louis, Université Paris Cité, Paris, France
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7
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Pretelli G, Mati K, Motta L, Stathis A. Antibody-drug conjugates combinations in cancer treatment. EXPLORATION OF TARGETED ANTI-TUMOR THERAPY 2024; 5:714-741. [PMID: 38966169 PMCID: PMC11222717 DOI: 10.37349/etat.2024.00243] [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: 02/04/2024] [Accepted: 03/22/2024] [Indexed: 07/06/2024] Open
Abstract
Antibody-drug conjugates (ADCs) have emerged as a promising class of anticancer agents. Currently, the Food and Drug Administration has granted approval to 12 compounds, with 2 later undergoing withdrawal. Moreover, several other compounds are currently under clinical development at different stages. Despite substantial antitumoral activity observed among different tumor types, adverse events and the development of resistance represent significant challenges in their use. Over the last years, an increasing number of clinical trials have been testing these drugs in different combinations with other anticancer agents, such as traditional chemotherapy, immune checkpoint inhibitors, monoclonal antibodies, and small targeted agents, reporting promising results based on possible synergistic effects and a potential for improved treatment outcomes among different tumor types. Here we will review combinations of ADCs with other antitumor agents aiming at describing the current state of the art and future directions.
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Affiliation(s)
- Giulia Pretelli
- Department of Medical Oncology, Vall d’Hebron Institute of Oncology (VHIO), 08035 Barcelona, Spain
| | - Kleida Mati
- Oncology Unit, SALUS Hospital, 1000 Tirana, Albania
| | - Lucia Motta
- Medical Oncology Unit, Humanitas Istituto Clinico Catanese, 95123 Catania, Italy
- Department of Clinical and Experimental Medicine, University of Catania, 95123 Catania, Italy
| | - Anastasios Stathis
- Oncology Institute of Southern Switzerland, EOC, 6500 Bellinzona, Switzerland
- Faculty of Biomedical Sciences, Università della Svizzera Italiana (USI), 6900 Lugano, Switzerland
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Zhang Z, Huang J, Zhang Z, Shen H, Tang X, Wu D, Bao X, Xu G, Chen S. Application of omics in the diagnosis, prognosis, and treatment of acute myeloid leukemia. Biomark Res 2024; 12:60. [PMID: 38858750 PMCID: PMC11165883 DOI: 10.1186/s40364-024-00600-1] [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: 03/20/2024] [Accepted: 05/17/2024] [Indexed: 06/12/2024] Open
Abstract
Acute myeloid leukemia (AML) is the most frequent leukemia in adults with a high mortality rate. Current diagnostic criteria and selections of therapeutic strategies are generally based on gene mutations and cytogenetic abnormalities. Chemotherapy, targeted therapies, and hematopoietic stem cell transplantation (HSCT) are the major therapeutic strategies for AML. Two dilemmas in the clinical management of AML are related to its poor prognosis. One is the inaccurate risk stratification at diagnosis, leading to incorrect treatment selections. The other is the frequent resistance to chemotherapy and/or targeted therapies. Genomic features have been the focus of AML studies. However, the DNA-level aberrations do not always predict the expression levels of genes and proteins and the latter is more closely linked to disease phenotypes. With the development of high-throughput sequencing and mass spectrometry technologies, studying downstream effectors including RNA, proteins, and metabolites becomes possible. Transcriptomics can reveal gene expression and regulatory networks, proteomics can discover protein expression and signaling pathways intimately associated with the disease, and metabolomics can reflect precise changes in metabolites during disease progression. Moreover, omics profiling at the single-cell level enables studying cellular components and hierarchies of the AML microenvironment. The abundance of data from different omics layers enables the better risk stratification of AML by identifying prognosis-related biomarkers, and has the prospective application in identifying drug targets, therefore potentially discovering solutions to the two dilemmas. In this review, we summarize the existing AML studies using omics methods, both separately and combined, covering research fields of disease diagnosis, risk stratification, prognosis prediction, chemotherapy, as well as targeted therapy. Finally, we discuss the directions and challenges in the application of multi-omics in precision medicine of AML. Our review may inspire both omics researchers and clinical physicians to study AML from a different angle.
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Affiliation(s)
- Zhiyu Zhang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, the First Affiliated Hospital of Soochow University, Suzhou, China
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Suzhou Key Laboratory of Drug Research for Prevention and Treatment of Hyperlipidemic Diseases, Soochow University, Suzhou, 215123, Jiangsu, China
- Suzhou International Joint Laboratory for Diagnosis and Treatment of Brain Diseases, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, Jiangsu, China
- MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, 215123, Jiangsu Province, China
| | - Jiayi Huang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhibo Zhang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Hongjie Shen
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiaowen Tang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Depei Wu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiebing Bao
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, the First Affiliated Hospital of Soochow University, Suzhou, China.
| | - Guoqiang Xu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Suzhou Key Laboratory of Drug Research for Prevention and Treatment of Hyperlipidemic Diseases, Soochow University, Suzhou, 215123, Jiangsu, China.
- Suzhou International Joint Laboratory for Diagnosis and Treatment of Brain Diseases, College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, Jiangsu, China.
- MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, 215123, Jiangsu Province, China.
| | - Suning Chen
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, the First Affiliated Hospital of Soochow University, Suzhou, China.
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9
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Ma J, Liu YC, Voss RK, Ma J, Palagani A, Caldwell E, Rosikiewicz W, Cardenas M, Foy S, Umeda M, Wilkinson MR, Inaba H, Klco JM, Rubnitz JE, Wang L. Genomic and global gene expression profiling in pediatric and young adult acute leukemia with PICALM::MLLT10 Fusion. Leukemia 2024; 38:981-990. [PMID: 38429501 DOI: 10.1038/s41375-024-02194-x] [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: 02/16/2024] [Accepted: 02/20/2024] [Indexed: 03/03/2024]
Abstract
PICALM MLLT10 fusion is a rare but recurrent genetic driver in acute leukemias. To better understand the genomic landscape of PICALM::MLLT10 (PM) positive acute leukemia, we performed genomic profiling and gene expression profiling in twenty PM-positive patients, including AML (n = 10), T-ALL/LLy (n = 8), Mixed-phenotype acute leukemia (MPAL), T/B (n = 1) and acute undifferentiated leukemia (AUL) (n = 1). Besides confirming the known activation of HOXA, differential gene expression analysis compared to hematopoietic stem cells demonstrated the enrichment of genes associated with cell proliferation-related pathways and relatively high expression of XPO1 in PM-AML and PM-T-ALL/LLy. Our study also suggested PHF6 disruption as a key cooperating event in PICALM::MLLT10-positive leukemias. In addition, we demonstrated differences in gene expression profiles as well as remarkably different spectra of co-occurring mutations between PM-AML and PM-T-ALL/LLy. Alterations affecting TP53 and NF1, hallmarks of PM-AML, are strongly associated with disease progression and relapse, whereas EZH2 alterations are highly enriched in PM-T-ALL/LLy. This comprehensive genomic and transcriptomic profiling provides insights into the pathogenesis and development of PICALM::MLLT10 positive acute leukemia.
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Affiliation(s)
- Jingqun Ma
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Yen-Chun Liu
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Rebecca K Voss
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Jing Ma
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Ajay Palagani
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Elizabeth Caldwell
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Wojciech Rosikiewicz
- Center for Applied Bioinformatics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Maria Cardenas
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Scott Foy
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Masayuki Umeda
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Mark R Wilkinson
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Hiroto Inaba
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Jeffery M Klco
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Jeffrey E Rubnitz
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Lu Wang
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA.
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10
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Liu Y, Yu S, Chen Y, Hu Z, Fan L, Liang G. The clinical regimens and cell membrane camouflaged nanodrug delivery systems in hematologic malignancies treatment. Front Pharmacol 2024; 15:1376955. [PMID: 38689664 PMCID: PMC11059051 DOI: 10.3389/fphar.2024.1376955] [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: 01/26/2024] [Accepted: 04/02/2024] [Indexed: 05/02/2024] Open
Abstract
Hematologic malignancies (HMs), also referred to as hematological or blood cancers, pose significant threats to patients as they impact the blood, bone marrow, and lymphatic system. Despite significant clinical strategies using chemotherapy, radiotherapy, stem cell transplantation, targeted molecular therapy, or immunotherapy, the five-year overall survival of patients with HMs is still low. Fortunately, recent studies demonstrate that the nanodrug delivery system holds the potential to address these challenges and foster effective anti-HMs with precise treatment. In particular, cell membrane camouflaged nanodrug offers enhanced drug targeting, reduced toxicity and side effects, and/or improved immune response to HMs. This review firstly introduces the merits and demerits of clinical strategies in HMs treatment, and then summarizes the types, advantages, and disadvantages of current nanocarriers helping drug delivery in HMs treatment. Furthermore, the types, functions, and mechanisms of cell membrane fragments that help nanodrugs specifically targeted to and accumulate in HM lesions are introduced in detail. Finally, suggestions are given about their clinical translation and future designs on the surface of nanodrugs with multiple functions to improve therapeutic efficiency for cancers.
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Affiliation(s)
- Yuanyuan Liu
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang, Henan, China
| | - Shanwu Yu
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, Henan, China
| | - Yixiang Chen
- Luoyang Vocational and Technical College, Luoyang, Henan, China
| | - Zhihong Hu
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang, Henan, China
| | - Lingling Fan
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang, Henan, China
| | - Gaofeng Liang
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang, Henan, China
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11
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Slezak AJ, Chang K, Beckman TN, Refvik KC, Alpar AT, Lauterbach AL, Solanki A, Kwon JW, Gomes S, Mansurov A, Hubbell JA. Cysteine-binding adjuvant enhances survival and promotes immune function in a murine model of acute myeloid leukemia. Blood Adv 2024; 8:1747-1759. [PMID: 38324726 PMCID: PMC10985806 DOI: 10.1182/bloodadvances.2023012529] [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: 12/27/2023] [Revised: 01/11/2024] [Accepted: 01/22/2024] [Indexed: 02/09/2024] Open
Abstract
ABSTRACT Therapeutic vaccination has long been a promising avenue for cancer immunotherapy but is often limited by tumor heterogeneity. The genetic and molecular diversity between patients often results in variation in the antigens present on cancer cell surfaces. As a result, recent research has focused on personalized cancer vaccines. Although promising, this strategy suffers from time-consuming production, high cost, inaccessibility, and targeting of a limited number of tumor antigens. Instead, we explore an antigen-agnostic polymeric in situ cancer vaccination platform for treating blood malignancies, in our model here with acute myeloid leukemia (AML). Rather than immunizing against specific antigens or targeting adjuvant to specific cell-surface markers, this platform leverages a characteristic metabolic and enzymatic dysregulation in cancer cells that produces an excess of free cysteine thiols on their surfaces. These thiols increase in abundance after treatment with cytotoxic agents such as cytarabine, the current standard of care in AML. The resulting free thiols can undergo efficient disulfide exchange with pyridyl disulfide (PDS) moieties on our construct and allow for in situ covalent attachment to cancer cell surfaces and debris. PDS-functionalized monomers are incorporated into a statistical copolymer with pendant mannose groups and TLR7 agonists to target covalently linked antigen and adjuvant to antigen-presenting cells in the liver and spleen after IV administration. There, the compound initiates an anticancer immune response, including T-cell activation and antibody generation, ultimately prolonging survival in cancer-bearing mice.
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Affiliation(s)
- Anna J. Slezak
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL
| | - Kevin Chang
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL
| | - Taryn N. Beckman
- Committee on Molecular Metabolism and Nutrition, University of Chicago, Chicago, IL
| | - Kirsten C. Refvik
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL
| | - Aaron T. Alpar
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL
| | | | - Ani Solanki
- Animal Resource Center, University of Chicago, Chicago, IL
| | - Jung Woo Kwon
- Department of Pathology, University of Chicago, Chicago, IL
| | - Suzana Gomes
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL
| | - Aslan Mansurov
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL
| | - Jeffrey A. Hubbell
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL
- Committee on Immunology, University of Chicago, Chicago, IL
- Committee on Cancer Biology, University of Chicago, Chicago, IL
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12
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Liu K, Li M, Li Y, Li Y, Chen Z, Tang Y, Yang M, Deng G, Liu H. A review of the clinical efficacy of FDA-approved antibody‒drug conjugates in human cancers. Mol Cancer 2024; 23:62. [PMID: 38519953 PMCID: PMC10960395 DOI: 10.1186/s12943-024-01963-7] [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] [Received: 11/24/2023] [Accepted: 02/21/2024] [Indexed: 03/25/2024] Open
Abstract
While strategies such as chemotherapy and immunotherapy have become the first-line standard therapies for patients with advanced or metastatic cancer, acquired resistance is still inevitable in most cases. The introduction of antibody‒drug conjugates (ADCs) provides a novel alternative. ADCs are a new class of anticancer drugs comprising the coupling of antitumor mAbs with cytotoxic drugs. Compared with chemotherapeutic drugs, ADCs have the advantages of good tolerance, accurate target recognition, and small effects on noncancerous cells. ADCs occupy an increasingly important position in the therapeutic field. Currently, there are 13 Food and Drug Administration (FDA)‒approved ADCs and more than 100 ADC drugs at different stages of clinical trials. This review briefly describes the efficacy and safety of FDA-approved ADCs, and discusses the related problems and challenges to provide a reference for clinical work.
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Affiliation(s)
- Kaifeng Liu
- Laboratory of Urology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
- The First Clinical College, Guangdong Medical University, Zhanjiang, 524023, China
| | - Meijia Li
- The First Clinical College, Guangdong Medical University, Zhanjiang, 524023, China
| | - Yudong Li
- The First Clinical College, Guangdong Medical University, Zhanjiang, 524023, China
| | - Yutong Li
- The First Clinical College, Guangdong Medical University, Zhanjiang, 524023, China
| | - Zixin Chen
- The First Clinical College, Guangdong Medical University, Zhanjiang, 524023, China
| | - Yiqi Tang
- The First Clinical College, Guangdong Medical University, Zhanjiang, 524023, China
| | - Meitian Yang
- The First Clinical College, Guangdong Medical University, Zhanjiang, 524023, China
| | - Guoquan Deng
- The First Clinical College, Guangdong Medical University, Zhanjiang, 524023, China
| | - Hongwei Liu
- Laboratory of Urology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China.
- The First Clinical College, Guangdong Medical University, Zhanjiang, 524023, China.
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13
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Shaforostova I, Call S, Evers G, Reicherts C, Angenendt L, Stelljes M, Berdel WE, Pohlmann A, Mikesch J, Rosenbauer F, Lenz G, Schliemann C, Wethmar K. Prevalence and clinical impact of CD56 and T-cell marker expression in acute myeloid leukaemia: A single-centre retrospective analysis. EJHAEM 2024; 5:93-104. [PMID: 38406551 PMCID: PMC10887264 DOI: 10.1002/jha2.827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 11/03/2023] [Accepted: 11/07/2023] [Indexed: 02/27/2024]
Abstract
Flow cytometry-based immunophenotyping is a mainstay of diagnostics in acute myeloid leukaemia (AML). Aberrant CD56 and T-cell antigen expression is observed in a fraction subset of AML cases, but the clinical relevance remains incompletely understood. Here, we retrospectively investigated the association of CD56 and T-cell marker expression with disease-specific characteristics and outcome of 324 AML patients who received intensive induction therapy at our centre between 2011 and 2019. We found that CD2 expression was associated with abnormal non-complex karyotype, NPM1 wild-type status and TP53 mutation. CD2 also correlated with a lower complete remission (CR) rate (47.8% vs. 71.6%, p = 0.03). CyTdT and CD2 were associated with inferior 3-year event-free-survival (EFS) (5.3% vs. 33.5%, p = 0.003 and 17.4% vs. 33.1%, p = 0.02, respectively). CyTdT expression was also correlated with inferior relapse-free survival (27.3% vs. 48.8%, p = 0.04). In multivariable analyses CD2 positivity was an independent adverse factor for EFS (HR 1.72, p = 0.03). These results indicate a biological relevance of aberrant T-cell marker expression in AML and provide a rationale to further characterise the molecular origin in T-lineage-associated AML.
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Affiliation(s)
| | - Simon Call
- Department of Medicine AUniversity Hospital MünsterMünsterGermany
| | - Georg Evers
- Department of Medicine AUniversity Hospital MünsterMünsterGermany
| | | | - Linus Angenendt
- Department of Medicine AUniversity Hospital MünsterMünsterGermany
- Department of Biosystems Science and EngineeringETH ZurichZürichSwitzerland
| | | | | | | | | | - Frank Rosenbauer
- Institute of Molecular Tumor BiologyFaculty of MedicineUniversity of MünsterMünsterGermany
| | - Georg Lenz
- Department of Medicine AUniversity Hospital MünsterMünsterGermany
| | | | - Klaus Wethmar
- Department of Medicine AUniversity Hospital MünsterMünsterGermany
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14
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Garcia-Manero G, Podoltsev NA, Othus M, Pagel JM, Radich JP, Fang M, Rizzieri DA, Marcucci G, Strickland SA, Litzow MR, Savoie ML, Medeiros BC, Sekeres MA, Lin TL, Uy GL, Powell BL, Kolitz JE, Larson RA, Stone RM, Claxton D, Essell J, Luger SM, Mohan SR, Moseley A, Appelbaum FR, Erba HP. A randomized phase III study of standard versus high-dose cytarabine with or without vorinostat for AML. Leukemia 2024; 38:58-66. [PMID: 37935977 DOI: 10.1038/s41375-023-02073-x] [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] [Received: 02/03/2020] [Revised: 09/28/2023] [Accepted: 10/16/2023] [Indexed: 11/09/2023]
Abstract
Prior experience indicated that use of higher doses of cytarabine during induction for acute myeloid leukemia (AML) with a histone deacetylase inhibitor resulted in high response rates. S1203 was a randomized multicenter trial for previously untreated patients aged 18-60 with AML which compared daunorubicin and cytarabine (DA), idarubicin with higher dose cytarabine (IA) and IA with vorinostat (IA + V). The primary endpoint was event free survival (EFS). 738 patients were randomized: 261 to each DA and IA arms and 216 to the IA + V arm. 96, 456, and 150 patients had favorable-, intermediate-, and unfavorable-risk cytogenetics, respectively. 152 were NPM1 and 158 FLT3 mutated. The overall remission rate was 77.5% including 62.5% CR and 15.0% CRi. No differences in remission, EFS, or overall survival were observed among the 3 arms except for the favorable cytogenetics subset who had improved outcomes with DA and postremission high dose cytarabine. A trend towards increased toxicity was observed with the IA and IA + V arms. The use of higher dose cytarabine during induction therapy in younger patients with AML, with or without vorinostat, does not result in improved outcomes. (Funded by the US National Institutes of Health and others, ClinicalTrials.gov number, NCT01802333.).
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Affiliation(s)
| | | | - Megan Othus
- SWOG Statistics and Data Management Center, Seattle, WA, USA
| | | | | | - Min Fang
- Fred Hutchinson Cancer Center, Seattle, WA, USA
| | | | - Guido Marcucci
- Ohio State University (Alliance), Columbus, OH, USA
- City of Hope, Duarte, CA, USA
| | - Stephen A Strickland
- Vanderbilt-Ingram Cancer Center, Nashville, TN, USA
- Sarah Cannon, Nashville, TN, USA
| | | | | | | | - Mikkael A Sekeres
- Cleveland Clinic, Cleveland, OH, USA
- University of Miami, Maiami, FL, USA
| | - Tara L Lin
- University of Kansas Medical Center, Kansas City, KS, USA
| | - Geoffrey L Uy
- Washington University School of Medicine, St. Louis, USA
| | - Bayard L Powell
- Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC, USA
| | | | | | | | - David Claxton
- Pennsylvania State Milton S Hershey Medical Center, Hummelstown, USA
| | | | - Selina M Luger
- University of Pennsylvania Abramson Cancer Center, Philadelphia, PA, USA
| | - Sanjay R Mohan
- Vanderbilt-Ingram Cancer Center, Nashville, TN, USA
- Sarah Cannon, Nashville, TN, USA
| | - Anna Moseley
- SWOG Statistics and Data Management Center, Seattle, WA, USA
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15
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Ubeda Gutierrez AM, Remant Bahadur KC, Brandwein J, Uludağ H. Exploring the Potential of siRNA Delivery in Acute Myeloid Leukemia for Therapeutic Silencing. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:3167. [PMID: 38133064 PMCID: PMC10745893 DOI: 10.3390/nano13243167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/07/2023] [Accepted: 12/12/2023] [Indexed: 12/23/2023]
Abstract
We investigated the feasibility of using siRNA therapy for acute myeloid leukemia (AML) by developing macromolecular carriers that facilitated intracellular delivery of siRNA. The carriers were derived from low-molecular-weight (<2 kDa) polyethyleneimine (PEI) and modified with a range of aliphatic lipids. We identified linoleic acid and lauric acid-modified PEI as optimal carriers for siRNA delivery to AML cell lines KG1 and KG1a, as well as AML patient-derived mononuclear cells. As they have been proven to be potent targets in the treatment of AML, we examined the silencing of BCL2L12 and survivin and showed how it leads to the decrease in proliferation of KG1 and stem-cell-like KG1a cells. By optimizing the transfection schedule, we were able to enhance the effect of the siRNAs on proliferation over a period of 10 days. We additionally showed that with proper modifications of PEI, other genes, including MAP2K3, CDC20, and SOD-1, could be targeted to decrease the proliferation of AML cells. Our studies demonstrated the versatility of siRNA delivery with modified PEI to elicit an effect in leukemic cells that are difficult to transfect, offering an alternative to conventional drugs for more precise and targeted treatment options.
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Affiliation(s)
- Anyeld M. Ubeda Gutierrez
- Department of Biomedical Engineering, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - K. C. Remant Bahadur
- Department of Chemical & Materials Engineering, Faculty of Engineering, University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - Joseph Brandwein
- Department of Medicine, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - Hasan Uludağ
- Department of Chemical & Materials Engineering, Faculty of Engineering, University of Alberta, Edmonton, AB T6G 2R3, Canada
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, AB T6G 2R3, Canada
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16
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Petty NE, Radtke S, Fields E, Humbert O, Llewellyn MJ, Laszlo GS, Zhu H, Jerome KR, Walter RB, Kiem HP. Efficient long-term multilineage engraftment of CD33-edited hematopoietic stem/progenitor cells in nonhuman primates. Mol Ther Methods Clin Dev 2023; 31:101121. [PMID: 37868209 PMCID: PMC10585325 DOI: 10.1016/j.omtm.2023.101121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 09/23/2023] [Indexed: 10/24/2023]
Abstract
Current immunotherapeutic targets are often shared between neoplastic and normal hematopoietic stem and progenitor cells (HSPCs), leading to unwanted on-target, off-tumor toxicities. Deletion or modification of such targets to protect normal HSPCs is, therefore, of great interest. Although HSPC modifications commonly aim to mimic naturally occurring phenotypes, the long-term persistence and safety of gene-edited cells need to be evaluated. Here, we deleted the V-set domain of CD33, the immune-dominant domain targeted by most anti-CD33 antibodies used to treat CD33-positive malignancies, including acute myeloid leukemia, in the HSPCs of two rhesus macaques, performed autologous transplantation after myeloablative conditioning, and followed the animals for up to 3 years. CD33-edited HSPCs engrafted without any delay in recovery of neutrophils, the primary cell type expressing CD33. No impact on the blood composition, reconstitution of the bone marrow stem cell compartment, or myeloid differentiation potential was observed. Up to 20% long-term gene editing in HSPCs and blood cell lineages was seen with robust loss of CD33 detection on myeloid lineages. In conclusion, deletion of the V-set domain of CD33 on HSPCs, progenitors, and myeloid lineages did not show any adverse effects on their homing and engraftment potential or the differentiation and functionality of myeloid progenitors and lineages.
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Affiliation(s)
- Nicholas E. Petty
- Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA
- Medical Scientist Training Program, University of Washington School of Medicine, Seattle, WA 98195, USA
| | - Stefan Radtke
- Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA
| | - Emily Fields
- Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA
| | - Olivier Humbert
- Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA
| | - Mallory J. Llewellyn
- Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA
| | - George S. Laszlo
- Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA
| | - Haiying Zhu
- Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, WA 98195, USA
| | - Keith R. Jerome
- Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, WA 98195, USA
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA
| | - Roland B. Walter
- Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA
- Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, WA 98195, USA
- Division of Hematology and Oncology, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Hans-Peter Kiem
- Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, Seattle, WA 98109, USA
- Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, WA 98195, USA
- Division of Hematology and Oncology, Department of Medicine, University of Washington, Seattle, WA 98195, USA
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17
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Lydeard JR, Lin MI, Ge HG, Halfond A, Wang S, Jones MB, Etchin J, Angelini G, Xavier-Ferrucio J, Lisle J, Salvadore K, Keschner Y, Mager H, Scherer J, Hu J, Mukherjee S, Chakraborty T. Development of a gene edited next-generation hematopoietic cell transplant to enable acute myeloid leukemia treatment by solving off-tumor toxicity. Mol Ther Methods Clin Dev 2023; 31:101135. [PMID: 38027064 PMCID: PMC10643325 DOI: 10.1016/j.omtm.2023.101135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 10/11/2023] [Indexed: 12/01/2023]
Abstract
Immunotherapy of acute myeloid leukemia (AML) has been challenging because the lack of tumor-specific antigens results in "on-target, off-tumor" toxicity. To unlock the full potential of AML therapies, we used CRISPR-Cas9 to genetically ablate the myeloid protein CD33 from healthy donor hematopoietic stem and progenitor cells (HSPCs), creating tremtelectogene empogeditemcel (trem-cel). Trem-cel is a HSPC transplant product designed to provide a reconstituted hematopoietic compartment that is resistant to anti-CD33 drug cytotoxicity. Here, we describe preclinical studies and process development of clinical-scale manufacturing of trem-cel. Preclinical data showed proof-of-concept with loss of CD33 surface protein and no impact on myeloid cell differentiation or function. At clinical scale, trem-cel could be manufactured reproducibly, routinely achieving >70% CD33 editing with no effect on cell viability, differentiation, and function. Trem-cel pharmacology studies using mouse xenograft models showed long-term engraftment, multilineage differentiation, and persistence of gene editing. Toxicology assessment revealed no adverse findings, and no significant or reproducible off-target editing events. Importantly, CD33-knockout myeloid cells were resistant to the CD33-targeted agent gemtuzumab ozogamicin in vitro and in vivo. These studies supported the initiation of the first-in-human, multicenter clinical trial evaluating the safety and efficacy of trem-cel in patients with AML (NCT04849910).
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Affiliation(s)
| | | | | | | | - Shu Wang
- Vor Biopharma, Cambridge, MA 02140, USA
| | | | | | | | | | | | | | | | | | | | | | - Siddhartha Mukherjee
- Department of Medicine, Columbia University Irving Cancer Research Center, Columbia University, New York, NY 10032, USA
- Edward P. Evans Center for Myelodysplastic Syndromes at Columbia University, New York, NY 10032, USA
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18
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Pal P, Alley JR, Cohen DR, Townsend CA. Dynemicin A Derivatives as Potential Cancer Chemotherapeutics by Mutasynthesis. Helv Chim Acta 2023; 106:e202300123. [PMID: 39308597 PMCID: PMC11415272 DOI: 10.1002/hlca.202300123] [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: 07/25/2023] [Accepted: 10/19/2023] [Indexed: 09/25/2024]
Abstract
The enediyne antitumor antibiotics have remarkable structures and exhibit potent DNA cleavage properties that have inspired continued interest as cancer therapeutics. Their complex structures and high reactivity, however, pose formidable challenges to their production and development in the clinic. We report here proof-of-concept studies using a mutasynthesis strategy to combine chemical synthesis of select modifications to a key iodoanthracene-γ-thiolactone intermediate in the biosynthesis of dynemicin A and all other known anthraquinone-fused enediynes (AFEs). By chemical complementation of a mutant bacterial producer that is incapable of synthesizing this essential building block, we show that derivatives of dynemicin can be prepared substituted in the A-ring of the anthraquinone motif. In the absence of competition from native production of this intermediate, the most efficient utilization of these externally-supplied structural analogues for precursor-directed biosynthesis becomes possible. To achieve this goal, we describe the required Δorf15 blocked mutant and a general synthetic route to a library of iodoanthracene structural variants. Their successful incorporation opens the door to enhancing DNA binding and tuning the bioreductive activation of the modified enediynes for DNA cleavage.
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Affiliation(s)
- Paramita Pal
- Department of Chemistry, Remsen Hall, The Johns Hopkins University, 3400 North Charles St., Baltimore, MD 21218, USA
| | - Jamie R Alley
- Department of Chemistry, Remsen Hall, The Johns Hopkins University, 3400 North Charles St., Baltimore, MD 21218, USA
| | - Douglas R Cohen
- Department of Chemistry, Remsen Hall, The Johns Hopkins University, 3400 North Charles St., Baltimore, MD 21218, USA
| | - Craig A Townsend
- Department of Chemistry, Remsen Hall, The Johns Hopkins University, 3400 North Charles St., Baltimore, MD 21218, USA
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19
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Knorr K, Rahman J, Erickson C, Wang E, Monetti M, Li Z, Ortiz-Pacheco J, Jones A, Lu SX, Stanley RF, Baez M, Fox N, Castro C, Marino AE, Jiang C, Penson A, Hogg SJ, Mi X, Nakajima H, Kunimoto H, Nishimura K, Inoue D, Greenbaum B, Knorr D, Ravetch J, Abdel-Wahab O. Systematic evaluation of AML-associated antigens identifies anti-U5 SNRNP200 therapeutic antibodies for the treatment of acute myeloid leukemia. NATURE CANCER 2023; 4:1675-1692. [PMID: 37872381 PMCID: PMC10733148 DOI: 10.1038/s43018-023-00656-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 09/19/2023] [Indexed: 10/25/2023]
Abstract
Despite recent advances in the treatment of acute myeloid leukemia (AML), there has been limited success in targeting surface antigens in AML, in part due to shared expression across malignant and normal cells. Here, high-density immunophenotyping of AML coupled with proteogenomics identified unique expression of a variety of antigens, including the RNA helicase U5 snRNP200, on the surface of AML cells but not on normal hematopoietic precursors and skewed Fc receptor distribution in the AML immune microenvironment. Cell membrane localization of U5 snRNP200 was linked to surface expression of the Fcγ receptor IIIA (FcγIIIA, also known as CD32A) and correlated with expression of interferon-regulated immune response genes. Anti-U5 snRNP200 antibodies engaging activating Fcγ receptors were efficacious across immunocompetent AML models and were augmented by combination with azacitidine. These data provide a roadmap of AML-associated antigens with Fc receptor distribution in AML and highlight the potential for targeting the AML cell surface using Fc-optimized therapeutics.
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Affiliation(s)
- Katherine Knorr
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Laboratory of Molecular Genetics and Immunology, Rockefeller University, New York, NY, USA
| | - Jahan Rahman
- Center for Hematologic Malignancies, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Caroline Erickson
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Eric Wang
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
| | - Mara Monetti
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Zhuoning Li
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Juliana Ortiz-Pacheco
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Andrew Jones
- Laboratory of Molecular Genetics and Immunology, Rockefeller University, New York, NY, USA
| | - Sydney X Lu
- Stanford University School of Medicine, Stanford, CA, USA
| | - Robert F Stanley
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Maria Baez
- Laboratory of Molecular Genetics and Immunology, Rockefeller University, New York, NY, USA
| | - Nina Fox
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Cynthia Castro
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Alessandra E Marino
- Laboratory of Molecular Genetics and Immunology, Rockefeller University, New York, NY, USA
| | - Caroline Jiang
- Laboratory of Molecular Genetics and Immunology, Rockefeller University, New York, NY, USA
| | - Alex Penson
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Simon J Hogg
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Xiaoli Mi
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Hideaki Nakajima
- Department of Stem Cell and Immune Regulation, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Hiroyoshi Kunimoto
- Department of Stem Cell and Immune Regulation, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Koutarou Nishimura
- Department of Hematology-Oncology, Institute of Biomedical Research and Innovation, Foundation for Biomedical Research and Innovation at Kobe, Kobe, Japan
| | - Daichi Inoue
- Department of Hematology-Oncology, Institute of Biomedical Research and Innovation, Foundation for Biomedical Research and Innovation at Kobe, Kobe, Japan
| | - Benjamin Greenbaum
- Computational Oncology, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Physiology, Biophysics & Systems Biology, Weill Cornell Medicine, Weill Cornell Medical College, New York, NY, USA
| | - David Knorr
- Laboratory of Molecular Genetics and Immunology, Rockefeller University, New York, NY, USA
| | - Jeffrey Ravetch
- Laboratory of Molecular Genetics and Immunology, Rockefeller University, New York, NY, USA.
| | - Omar Abdel-Wahab
- Molecular Pharmacology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
- Center for Hematologic Malignancies, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
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20
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Ge M, Zhu Y, Wei M, Piao H, He M. Improving the efficacy of anti-EGFR drugs in GBM: Where we are going? Biochim Biophys Acta Rev Cancer 2023; 1878:188996. [PMID: 37805108 DOI: 10.1016/j.bbcan.2023.188996] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 09/11/2023] [Accepted: 09/29/2023] [Indexed: 10/09/2023]
Abstract
The therapies targeting mutations of driver genes in cancer have advanced into clinical trials for a variety of tumors. In glioblastoma (GBM), epidermal growth factor receptor (EGFR) is the most commonly mutated oncogene, and targeting EGFR has been widely investigated as a promising direction. However, the results of EGFR pathway inhibitors have not been satisfactory. Limited blood-brain barrier (BBB) permeability, drug resistance, and pathway compensation mechanisms contribute to the failure of anti-EGFR therapies. This review summarizes recent research advances in EGFR-targeted therapy for GBM and provides insight into the reasons for the unsatisfactory results of EGFR-targeted therapy. By combining the results of preclinical studies with those of clinical trials, we discuss that improved drug penetration across the BBB, the use of multi-target combinations, and the development of peptidomimetic drugs under the premise of precision medicine may be promising strategies to overcome drug resistance in GBM.
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Affiliation(s)
- Manxi Ge
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, China; Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Shenyang, China
| | - Yan Zhu
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, China; Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Shenyang, China
| | - Minjie Wei
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, China; Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Shenyang, China; Liaoning Medical Diagnosis and Treatment Center, Shenyang, China.
| | - Haozhe Piao
- Department of Neurosurgery, Liaoning Cancer Hospital and Institute, Cancer Hospital of China Medical University, Shenyang, China.
| | - Miao He
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, China; Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Shenyang, China.
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21
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Darwish C, Farina K, Tremblay D. The core concepts of core binding factor acute myeloid leukemia: Current considerations for prognosis and treatment. Blood Rev 2023; 62:101117. [PMID: 37524647 DOI: 10.1016/j.blre.2023.101117] [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: 03/23/2023] [Revised: 07/04/2023] [Accepted: 07/21/2023] [Indexed: 08/02/2023]
Abstract
Core binding factor acute myeloid leukemia (CBF AML), defined by t(8;21) or inv(16), is a subset of favorable risk AML. Despite its association with a high complete remission rate after induction and relatively good prognosis overall compared with other subtypes of AML, relapse risk after induction chemotherapy remains high. Optimizing treatment planning to promote recurrence free survival and increase the likelihood of survival after relapse is imperative to improving outcomes. Recent areas of research have included evaluation of the role of gemtuzumab in induction and consolidation, the relative benefit of increased cycles of high dose cytarabine in consolidation, the utility of hypomethylating agents and kinase inhibitors, and the most appropriate timing of stem cell transplant. Surveillance with measurable residual disease testing is increasingly being utilized for monitoring disease in remission, and ongoing investigation seeks to determine how to use this tool for early identification of patients who would benefit from proceeding to transplant. In this review, we outline the current therapeutic approach from diagnosis to relapse while highlighting the active areas of investigation in each stage of treatment.
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Affiliation(s)
- Christina Darwish
- Tisch Cancer Institute, Division of Hematology/Oncology, Icahn School of Medicine at Mount Sinai, One Gustave L Levy Place, Box 1079, New York, NY 10029, USA
| | - Kyle Farina
- Department of Pharmacy Practice, The Mount Sinai Hospital, New York, NY 10029, USA
| | - Douglas Tremblay
- Tisch Cancer Institute, Division of Hematology/Oncology, Icahn School of Medicine at Mount Sinai, One Gustave L Levy Place, Box 1079, New York, NY 10029, USA.
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22
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Awada H, Abdelmalek M, Cronin T, Baron J, Kashour Z, Azad F, Faisal MS, Faber M, Gravina M, Sung PJ, Green SD, Przespolewski A, Thompson JE, Griffiths EA, Wang ES. Gemtuzumab ozogamicin plus standard induction hemotherapy improves outcomes of newly diagnosed intermediate cytogenetic risk acute myeloid leukemia. Blood Cancer J 2023; 13:131. [PMID: 37666807 PMCID: PMC10477319 DOI: 10.1038/s41408-023-00910-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 08/12/2023] [Accepted: 08/24/2023] [Indexed: 09/06/2023] Open
Affiliation(s)
- Hassan Awada
- Leukemia Service, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Mina Abdelmalek
- Department of Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - Tara Cronin
- Leukemia Service, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Jeffrey Baron
- Department of Pharmacy, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Zakariya Kashour
- Department of Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - Farhan Azad
- Department of Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - Muhammad Salman Faisal
- Leukemia Service, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Mark Faber
- Leukemia Service, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Matthew Gravina
- Leukemia Service, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Pamela J Sung
- Leukemia Service, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
- Department of Pharmacology & Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Steven D Green
- Leukemia Service, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Amanda Przespolewski
- Leukemia Service, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - James E Thompson
- Leukemia Service, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Elizabeth A Griffiths
- Leukemia Service, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Eunice S Wang
- Leukemia Service, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA.
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23
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Dalgetty M, Leurinda C, Cortes J. A comparative safety review of targeted therapies for acute myeloid leukemia. Expert Opin Drug Saf 2023; 22:1225-1236. [PMID: 38014918 DOI: 10.1080/14740338.2023.2289176] [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: 06/26/2023] [Accepted: 11/26/2023] [Indexed: 11/29/2023]
Abstract
INTRODUCTION Acute myeloid leukemia (AML) treatment has primarily focused on 7 + 3 chemotherapy, but in the last decade there has been a significant increase in new therapies, mostly targeted agents, approved for the treatment of AML. We performed a comparative analysis of the unique safety profile of each of these new agents. AREAS COVERED We conducted a review of the current literature on public databases (PubMed, ClinicalTrials.gov, and U.S. Food and Drug Administration) regarding new AML drugs that were approved from 2017 to 2023. EXPERT OPINION The diagnosis of AML typically carries a poor prognosis but with an increase in the number of drugs that are now available, patients' outcomes are improving. With novel mechanisms of action, the use of these agents introduces different safety profiles, occasionally with adverse events not previously seen with standard chemotherapy or at different frequencies. An understanding of the drugs available and the safety concerns associated with each one is crucial to selecting the best available option for each patient, and early recognition and appropriate management of drug-related adverse effects.
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Affiliation(s)
- Mark Dalgetty
- Department of Hematology/Oncology, Medical College of Georgia, Augusta, Georgia, USA
| | - Christian Leurinda
- Department of Hematology/Oncology, Medical College of Georgia, Augusta, Georgia, USA
| | - Jorge Cortes
- Department of Hematology/Oncology, Medical College of Georgia, Augusta, Georgia, USA
- Department of Hematology/Oncology, Georgia Cancer Center, Augusta, Georgia, USA
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24
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Pardhi E, Yadav R, Chaurasiya A, Madan J, Guru SK, Singh SB, Mehra NK. Multifunctional targetable liposomal drug delivery system in the management of leukemia: Potential, opportunities, and emerging strategies. Life Sci 2023; 325:121771. [PMID: 37182551 DOI: 10.1016/j.lfs.2023.121771] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/06/2023] [Accepted: 05/07/2023] [Indexed: 05/16/2023]
Abstract
The concern impeding the success of chemotherapy in leukemia treatment is descending efficacy of drugs because of multiple drug resistance (MDR). The previous failure of traditional treatment methods is primarily responsible for the present era of innovative agents to treat leukemia effectively. The treatment option is a chemotherapeutic agent in most available treatment strategies, which unfortunately leads to high unavoidable toxicities. As a result of the recent surge in marketed products, theranostic nanoparticles, i.e., multifunctional targetable liposomes (MFTL), have been approved for improved and more successful leukemia treatment that blends therapeutic and diagnostic characteristics. Since they broadly offer the required characteristics to get past the traditional/previous limitations, such as the absence of site-specific anti-cancer therapeutic delivery and ongoing real-time surveillance of the leukemia target sites while administering therapeutic activities. To prepare MFTL, suitable targeting ligands or tumor-specific antibodies are required to attach to the surface of the liposomes. This review exhaustively covered and summarized the liposomal-based formulation in leukemia treatment, emphasizing leukemia types; regulatory considerations, patents, and clinical portfolios to overcome clinical translation hurdles have all been explored.
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Affiliation(s)
- Ekta Pardhi
- Pharmaceutical Nanotechnology Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad 500037, Telangana, India
| | - Rati Yadav
- Pharmaceutical Nanotechnology Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad 500037, Telangana, India
| | - Akash Chaurasiya
- Department of Pharmaceutics, BITS-Pilani, Hyderabad Campus, Jawahar Nagar, Shameerpet Mandal, District. RR, Hyderabad, India
| | - Jitender Madan
- Pharmaceutical Nanotechnology Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad 500037, Telangana, India
| | - Santosh Kumar Guru
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, Telangana, India
| | - Shashi Bala Singh
- Department of Biological Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, Telangana, India
| | - Neelesh Kumar Mehra
- Pharmaceutical Nanotechnology Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad 500037, Telangana, India.
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25
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Engineering CAR-NK cells targeting CD33 with concomitant extracellular secretion of anti-CD16 antibody revealed superior antitumor effects toward myeloid leukemia. Cancer Lett 2023; 558:216103. [PMID: 36805460 DOI: 10.1016/j.canlet.2023.216103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 02/16/2023] [Accepted: 02/16/2023] [Indexed: 02/19/2023]
Abstract
Acute myeloid leukemia (AML) is a common form of acute leukemia, and the currently available treatments are unsatisfactory. In the present study, we report an immune cell therapeutic strategy that employed genetically modified bifunctional CAR-NK cells. These cells combined the efficient targeting of AML cells by the CD33 molecule with the concomitant stimulation of NK cell-mediated cytotoxicity via the expression and extracellular secretion of anti-CD16 antibody (B16) that binds back to the FC receptor of NK cells. Compared to CAR-NK cells that target CD33 only, the bifunctional CD33/B16 CAR-NK cells showed superior killing efficiency toward AML cells in vitro. The increase in efficiency was approximately four-fold, as determined based on the number of cells needed to achieve 80% killing activity. An in vivo study using a xenograft model also revealed the effective clearance of leukemic cells and much longer survival, with no relapse or death for at least 60 days. In addition, the safety of CAR-NK cells did not change with additional expression of B16, as determined by the release of cytokines. These data revealed the development of a promising CAR-NK approach for the treatment of patients with AML, which may improve CAR-NK-based treatment strategy in general and may potentially be used to treat other tumors as well.
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26
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Mehta P, Telford N, Wragg C, Dillon R, Freeman S, Finnegan D, Hamblin A, Copland M, Knapper S. Recommendations for laboratory testing of UK patients with acute myeloid leukaemia. Br J Haematol 2023; 200:150-159. [PMID: 36278472 DOI: 10.1111/bjh.18516] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/30/2022] [Accepted: 10/03/2022] [Indexed: 01/14/2023]
Affiliation(s)
- Priyanka Mehta
- University Hospitals of Bristol and Weston NHS FoundationTrust, Bristol, UK
| | - Nick Telford
- Oncology Cytogenetics, The Christie NHS Foundation Trust, Manchester, UK
| | - Chris Wragg
- Bristol Genetic Laboratory, North Bristol NHS Trust, Westbury on Trym, UK
| | - Richard Dillon
- Cancer Genetics Laboratory, Department of Medical and Molecular Genetics, King's College, London, UK
| | - Sylvie Freeman
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK
| | - Damian Finnegan
- Department of Haematology, Belfast City Hospital, Belfast, UK
| | - Angela Hamblin
- NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust & Genomics, Oxford, UK
| | - Mhairi Copland
- Paul O'Gorman Leukaemia Research Centre, School of Cancer Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Steve Knapper
- Department of Haematology, School of Medicine, Cardiff University, Cardiff, UK
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27
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García-Domínguez DJ, Sánchez-Margalet V, de la Cruz-Merino L, Hontecillas-Prieto L. Knowing the myeloid-derived suppressor cells : Another enemy of sarcomas patients. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2023; 375:93-116. [PMID: 36967155 DOI: 10.1016/bs.ircmb.2022.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Sarcomas are heterogeneous and aggressive malignant tumors with variable responses to current standard treatments being usually incurable for those patients with metastatic and unresectable diseases. The lack of curative strategies has led to develop new therapies in the treatment of sarcomas where the role of immune system is an evolving field. Most sarcomas often exhibit an immunosuppressive microenvironment, which reduces their capacity to trigger an immune response. Therefore, sarcomas are broadly considered as an "immune cold" tumor, although some studies have described a great immune heterogeneity across sarcoma subtypes. Sarcoma cells, like other tumors, evade their immune destruction through a variety of mechanisms, including expansion and recruitment of myeloid derived suppressor cells (MDSCs). MDSCs are immature myeloid cells that have been correlated with a reduction of the therapeutic efficacy, including immunotherapy, tumor progression and worst prognosis. Consequently, different strategies have been developed in recent years to target MDSCs in cancer treatments. This chapter discusses the role of MDSCs in sarcomas and their current potential as a therapeutic target in these malignancies.
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28
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Antibody-Drug Conjugates in Myeloid Leukemias. Cancer J 2022; 28:454-461. [DOI: 10.1097/ppo.0000000000000635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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29
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Harris JC, Sterin EH, Day ES. Membrane-Wrapped Nanoparticles for Enhanced Chemotherapy of Acute Myeloid Leukemia. ACS Biomater Sci Eng 2022; 8:4439-4448. [PMID: 36103274 PMCID: PMC9633094 DOI: 10.1021/acsbiomaterials.2c00832] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This work reports the development of a biomimetic membrane-wrapped nanoparticle (MWNP) platform for targeted chemotherapy of acute myeloid leukemia (AML). Doxorubicin (DOX), a chemotherapeutic used to treat leukemias, lymphomas, and other cancers, was encapsulated in polymeric NPs that were coated with cytoplasmic membranes derived from human AML cells. The release rate of DOX from the MWNPs was characterized under both storage and physiological conditions, with faster release observed at pH 5.5 than pH 7.4. The system was then introduced to AML cell cultures to test the functionality of the released DOX cargo as compared to DOX delivered freely or via NPs coated with poly(ethylene glycol) (PEG). The MWNPs delivered DOX in an efficient and targeted manner, inducing up to 80% apoptosis in treated cells at a dose of 5 μM, compared to 15% for free DOX and 17% for DOX-loaded PEG-coated NPs at the same drug concentration. The mechanism of cell death was confirmed as DNA double-strand breaks through a γH2A.X assay, indicating that the released DOX retained its expected mechanism of action. These findings designate MWNPs as a robust drug delivery system with great potential for future development in treatments of AML and other blood cancers.
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Affiliation(s)
- Jenna C Harris
- Department of Materials Science and Engineering, University of Delaware, 201 DuPont Hall, Newark, Delaware 19716, United States
| | - Eric H Sterin
- Department of Biomedical Engineering, University of Delaware, 590 Avenue 1743, 4th Floor, Newark, Delaware 19713, United States
| | - Emily S Day
- Department of Materials Science and Engineering, University of Delaware, 201 DuPont Hall, Newark, Delaware 19716, United States
- Department of Biomedical Engineering, University of Delaware, 590 Avenue 1743, 4th Floor, Newark, Delaware 19713, United States
- Helen F. Graham Cancer Center and Research Institute, 4701 Ogletown-Stanton Road, Newark, Delaware 19713, United States
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30
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Ramezani-Ali Akbari K, Khaki-Bakhtiarvand V, Mahmoudian J, Asgarian-Omran H, Shokri F, Hojjat-Farsangi M, Jeddi-Tehrani M, Shabani M. Cloning, expression and characterization of a peptibody to deplete myeloid derived suppressor cells in a murine mammary carcinoma model. Protein Expr Purif 2022; 200:106153. [PMID: 35995320 DOI: 10.1016/j.pep.2022.106153] [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: 04/20/2022] [Revised: 08/03/2022] [Accepted: 08/05/2022] [Indexed: 10/15/2022]
Abstract
BACKGROUND Myeloid derived suppressor cells (MDSCs) are an immature heterogeneous population of myeloid lineage that attenuate the anti-tumor immune responses. Depletion of MDSCs has been shown to improve efficacy of cancer immunotherapeutic approaches. Here, we expressed and characterized a peptibody which had previously been defined by phage display technique capable of recognizing and depleting murine MDSCs. MATERIALS AND METHODS Using splicing by overlap extension (SOE) PCR, the coding sequence of the MDSC binding peptide and linker were synthesized and then ligated into a home-made expression plasmid containing mouse IgG2a Fc. The peptibody construct was transfected into CHO-K1 cells by lipofectamine 3000 reagent and the resulting fusion protein was purified with protein G column and subsequently characterized by ELISA, SDS-PAGE and immunoblotting. The binding profile of the peptibody to splenic MDSCs and its MDSC depletion ability were then tested by flow cytometry. RESULTS The purified peptibody appeared as a 70 KDa band in Western blot. It could bind to 98.8% of splenic CD11b+/Gr-1+ MDSCs. In addition, the intratumoral MDSCs were significantly depleted after peptibody treatment compared to their PBS-treated negative control counterparts (P < 0.05). CONCLUSION In this study, a peptibody capable of depleting intratumoral MDSCs, was successfully expressed and purified. Our results imply that it could be considered as a potential tool for research on cancer immunotherapy.
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Affiliation(s)
| | - Vahid Khaki-Bakhtiarvand
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jafar Mahmoudian
- Monoclonal Antibody Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Hossein Asgarian-Omran
- Department of Immunology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Fazel Shokri
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hojjat-Farsangi
- Department of Oncology-Pathology, BioClinicum, Karolinska University Hospital Solna and Karolinska Institute, 17164, Stockholm, Sweden
| | - Mahmood Jeddi-Tehrani
- Monoclonal Antibody Research Center, Avicenna Research Institute, ACECR, Tehran, Iran.
| | - Mahdi Shabani
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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31
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Lai W, Zhao S, Lai Q, Zhou W, Wu M, Jiang X, Wang X, Peng Y, Wei X, Ouyang L, Gou L, Chen H, Wang Y, Yang J. Design, Synthesis, and Bioevaluation of a Novel Hybrid Molecular Pyrrolobenzodiazepine-Anthracenecarboxyimide as a Payload for Antibody-Drug Conjugate. J Med Chem 2022; 65:11679-11702. [PMID: 35982539 DOI: 10.1021/acs.jmedchem.2c00471] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel series of hybrid molecules combining pyrrolobenzodiazepine (PBD) and anthracenecarboxyimide pharmacophores were designed, synthesized, and tested for in vitro cytotoxicity against various cancer cell lines. The most potent compound from this series, 37b3, exhibited a subnanomolar level of cytotoxicity with an IC50 of 0.17-0.94 nM. 37b3 induced DNA damage and led to tumor cell cycle arrest and apoptosis. We employed 37b3 as a payload to conjugate with trastuzumab to obtain the antibody-drug conjugate (ADC) T-PBA. T-PBA maintained its mode of target and internalization ability of trastuzumab. We demonstrated that T-PBA could be degraded through the lysosomal pathway to release the payload 37b3 after internalization. T-PBA showed a powerful killing effect on Her2-positive cancer cells in vitro. Furthermore, T-PBA significantly inhibited tumor growth in gastric and ovarian cancer xenograft mouse models without overt toxicity. Collectively, these studies suggest that T-PBA represents a promising new ADC that deserves further investigation.
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Affiliation(s)
- Weirong Lai
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Shengyan Zhao
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Qinhuai Lai
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Wei Zhou
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Mengdan Wu
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Xiaohua Jiang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Xin Wang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Yujia Peng
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Xian Wei
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Liang Ouyang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Lantu Gou
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Hao Chen
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, 38163 Tennessee, United States
| | - Yuxi Wang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China.,Targeted Tracer Research and Development Laboratory, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
| | - Jinliang Yang
- State Key Laboratory of Biotherapy and Cancer Center/Collaborative Innovation Center for Biotherapy, Institute of Respiratory Health, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan, China
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Dunsmore L, Navo CD, Becher J, de Montes EG, Guerreiro A, Hoyt E, Brown L, Zelenay V, Mikutis S, Cooper J, Barbieri I, Lawrinowitz S, Siouve E, Martin E, Ruivo PR, Rodrigues T, da Cruz FP, Werz O, Vassiliou G, Ravn P, Jiménez-Osés G, Bernardes GJL. Controlled masking and targeted release of redox-cycling ortho-quinones via a C-C bond-cleaving 1,6-elimination. Nat Chem 2022; 14:754-765. [PMID: 35764792 PMCID: PMC9252919 DOI: 10.1038/s41557-022-00964-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 05/03/2022] [Indexed: 12/15/2022]
Abstract
Natural products that contain ortho-quinones show great potential as anticancer agents but have been largely discarded from clinical development because their redox-cycling behaviour results in general systemic toxicity. Here we report conjugation of ortho-quinones to a carrier, which simultaneously masks their underlying redox activity. C-benzylation at a quinone carbonyl forms a redox-inactive benzyl ketol. Upon a specific enzymatic trigger, an acid-promoted, self-immolative C-C bond-cleaving 1,6-elimination mechanism releases the redox-active hydroquinone inside cells. By using a 5-lipoxygenase modulator, β-lapachone, we created cathepsin-B-cleavable quinone prodrugs. We applied the strategy for intracellular release of β-lapachone upon antibody-mediated delivery. Conjugation of protected β-lapachone to Gem-IgG1 antibodies, which contain the variable region of gemtuzumab, results in homogeneous, systemically non-toxic and conditionally stable CD33+-specific antibody-drug conjugates with in vivo efficacy against a xenograft murine model of acute myeloid leukaemia. This protection strategy could allow the use of previously overlooked natural products as anticancer agents, thus extending the range of drugs available for next-generation targeted therapeutics.
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Affiliation(s)
- Lavinia Dunsmore
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
| | - Claudio D Navo
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio-Bizkaia, Spain
| | - Julie Becher
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
| | | | - Ana Guerreiro
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
| | - Emily Hoyt
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
| | - Libby Brown
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
- Biologics Engineering, R&D, AstraZeneca, Cambridge, UK
| | | | - Sigitas Mikutis
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
| | - Jonathan Cooper
- Wellcome-MRC Cambridge Stem Cell Institute, Department of Haematology, University of Cambridge, Cambridge, UK
| | - Isaia Barbieri
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge, UK
| | - Stefanie Lawrinowitz
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University Jena, Jena, Germany
| | - Elise Siouve
- Biologics Engineering, R&D, AstraZeneca, Cambridge, UK
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - Esther Martin
- Biologics Engineering, R&D, AstraZeneca, Cambridge, UK
| | - Pedro R Ruivo
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
| | - Tiago Rodrigues
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
| | - Filipa P da Cruz
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
| | - Oliver Werz
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University Jena, Jena, Germany
| | - George Vassiliou
- Wellcome-MRC Cambridge Stem Cell Institute, Department of Haematology, University of Cambridge, Cambridge, UK
| | - Peter Ravn
- Biologics Engineering, R&D, AstraZeneca, Cambridge, UK
- Department of Biotherapeutic Discovery, H. Lundbeck A/S, Valby, Denmark
| | - Gonzalo Jiménez-Osés
- Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio-Bizkaia, Spain.
- Ikerbasque, Basque Foundation for Science, Bilbao, Spain.
| | - Gonçalo J L Bernardes
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK.
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal.
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Thomas X, Elhamri M, Deloire A, Heiblig M. Antibody-based therapy for acute myeloid leukemia: a review of phase 2 and 3 trials. Expert Opin Emerg Drugs 2022; 27:169-185. [PMID: 35749672 DOI: 10.1080/14728214.2022.2094365] [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: 11/04/2022]
Abstract
INTRODUCTION Despite recent advances in the treatment of adult acute myeloid leukemia (AML), the clinical outcome of patients continues to be unsatisfactory especially among older patients, those with a high-risk profile, and in the relapsed/refractory setting. For this reason, recent clinical trials have explored novel therapeutic agents either used alone or in combination with intensive chemotherapy or low-intensity treatments. AREAS COVERED The current paper reviews the clinical development of monoclonal antibody-based therapies in AML, their current status and phases 2 and 3 prospective trials. EXPERT OPINION Monoclonal antibody-based therapies demonstrated efficacy and tolerability in several clinical trials, especially when used in combination either with '3+7' chemotherapy or with low-intensity treatments. Additional studies are needed to determine new antigens for antibody-based therapies that target leukemia stem cells and spare normal hematopoiesis. Phase 2 and 3 additional clinical trial data are needed to assess the promise of first trials, especially regarding chimeric antigen receptor T cells redirected against myeloid antigens and immune checkpoint inhibitor therapies.
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Affiliation(s)
- Xavier Thomas
- Department of Clinical Hematology, Hospices Civils de Lyon, Centre Hospitalier Lyon-Sud, Pierre Bénite, France
| | - Mohamed Elhamri
- Department of Clinical Hematology, Hospices Civils de Lyon, Centre Hospitalier Lyon-Sud, Pierre Bénite, France
| | - Alexandre Deloire
- Department of Clinical Hematology, Hospices Civils de Lyon, Centre Hospitalier Lyon-Sud, Pierre Bénite, France
| | - Maël Heiblig
- Department of Clinical Hematology, Hospices Civils de Lyon, Centre Hospitalier Lyon-Sud, Pierre Bénite, France
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Wiedemeyer WR, Gavrilyuk J, Schammel A, Zhao X, Sarvaiya H, Pysz M, Gu C, You M, Isse K, Sullivan T, French D, Lee C, Dang AT, Zhang Z, Aujay M, Bankovich AJ, Vitorino P. ABBV-011, A Novel, Calicheamicin-Based Antibody-Drug Conjugate, Targets SEZ6 to Eradicate Small Cell Lung Cancer Tumors. Mol Cancer Ther 2022; 21:986-998. [PMID: 35642431 PMCID: PMC9381089 DOI: 10.1158/1535-7163.mct-21-0851] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 01/24/2022] [Accepted: 03/04/2022] [Indexed: 01/07/2023]
Abstract
In the past year, four antibody-drug conjugates (ADC) were approved, nearly doubling the marketed ADCs in oncology. Among other attributes, successful ADCs optimize targeting antibody, conjugation chemistry, and payload mechanism of action. Here, we describe the development of ABBV-011, a novel SEZ6-targeted, calicheamicin-based ADC for the treatment of small cell lung cancer (SCLC). We engineered a calicheamicin conjugate that lacks the acid-labile hydrazine linker that leads to systemic release of a toxic catabolite. We then screened a patient-derived xenograft library to identify SCLC as a tumor type with enhanced sensitivity to calicheamicin ADCs. Using RNA sequencing (RNA-seq) data from primary and xenograft SCLC samples, we identified seizure-related homolog 6 (SEZ6) as a surface-expressed SCLC target with broad expression in SCLC and minimal normal tissue expression by both RNA-seq and IHC. We developed an antibody targeting SEZ6 that is rapidly internalized upon receptor binding and, when conjugated to the calicheamicin linker drug, drives potent tumor regression in vitro and in vivo. These preclinical data suggest that ABBV-011 may provide a novel treatment for patients with SCLC and a rationale for ongoing phase I studies (NCT03639194).
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Affiliation(s)
| | | | | | - Xi Zhao
- AbbVie Inc., North Chicago, Illinois
| | | | | | | | | | | | | | | | | | | | | | | | | | - Philip Vitorino
- AbbVie Inc., North Chicago, Illinois.,Corresponding Author: Philip Vitorino, Bristol-Myers Squibb (United States), Redwood City, CA 94603. Phone: 650-380-5513; E-mail:
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Debnath U, Verma S, Patra J, Mandal SK. A review on recent synthetic routes and computational approaches for antibody drug conjugation developments used in anti-cancer therapy. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Chia CSB. A Patent Review on FDA-Approved Antibody-Drug Conjugates, Their Linkers and Drug Payloads. ChemMedChem 2022; 17:e202200032. [PMID: 35384350 DOI: 10.1002/cmdc.202200032] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/22/2022] [Indexed: 12/30/2022]
Abstract
Antibody-drug conjugates (ADCs) have emerged as a promising class of biologics since the first approval of Gemtuzumab ozogamicin in 2000. Compared to small molecule drugs, ADCs are structurally much more complex as they comprise of an antibody conjugated to cytotoxic payloads by specially-designed linkers. Correspondingly, the ADC patent landscape is also much more complex. This review collates and discusses the patents protecting ADCs approved by the FDA up to 31 December 2021, with particular emphasis on their linker and cytotoxin payload technologies.
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Affiliation(s)
- C S Brian Chia
- Experimental Drug Development Centre, 10 Biopolis Road, Chromos #08-01, 138670, Singapore, Singapore
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Ci T, Zhang W, Qiao Y, Li H, Zang J, Li H, Feng N, Gu Z. Delivery strategies in treatments of leukemia. Chem Soc Rev 2022; 51:2121-2144. [PMID: 35188506 DOI: 10.1039/d1cs00755f] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Leukemia is a hematological malignancy associated with the uncontrolled proliferation of mutant progenitors, suppressing the production of normal blood cells. Current treatments, including chemotherapy, radiotherapy, and immunotherapy, still lead to unsatisfactory results with a 5 year survival rate of only 30-50%. The poor prognosis is related to both disease relapse and treatment-associated toxicity. Delivery strategies can improve the in vivo pharmacokinetics of drugs, navigating the therapeutics to target cells or the tumor microenvironment and reversing drug resistance, which maximizes tumor elimination and alleviates systematic adverse effects. This review discusses available FDA-approved anti-leukemia drugs and therapies with a focus on the advances in the development of anti-leukemia drug delivery systems. Additionally, challenges in clinical translation of the delivery strategies and future research opportunities in leukemia treatment are also included.
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Affiliation(s)
- Tianyuan Ci
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Wentao Zhang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Yingyu Qiao
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, Jiangsu Province, 210009, China
| | - Huangjuan Li
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, Jiangsu Province, 210009, China
| | - Jing Zang
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Hongjun Li
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Nianping Feng
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Zhen Gu
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China. .,Key Laboratory of Advanced Drug Delivery Systems of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China.,Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China.,Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou 311121, China.,MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
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38
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Sharvit G, Heering G, Zlotnik M, Merkel D, Nagler A, Avigdor A, Shimoni A, Canaani J. Acute Myeloid Leukemia Patients Requiring Two Cycles of Intensive Induction for Attainment of Remission Experience Inferior Survival Compared with Patients Requiring a Single Course of Induction Chemotherapy. CLINICAL LYMPHOMA, MYELOMA & LEUKEMIA 2022; 22:e116-e123. [PMID: 34593360 DOI: 10.1016/j.clml.2021.08.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/23/2021] [Accepted: 08/30/2021] [Indexed: 01/01/2023]
Abstract
BACKGROUND Achievement of initial remission remains the most important clinical factor predicting long term survival in acute myeloid leukemia (AML) patients treated with intensive chemotherapy. Yet, whether the patient subset in need of a second cycle of intensive induction chemotherapy to reach remission experiences inferior outcomes compared to patients reaching remission after a single cycle of therapy, remains uncertain. PATIENTS AND METHODS Retrospective analysis of 302 consecutive AML patients treated with intensive induction chemotherapy in our institution in 2007-2020. RESULTS Median patient age was 55 years with a median follow-up duration of 23 months. In terms of European LeukemiaNet (ELN) 2017 classification, 122 patients (40%) were designated as favorable risk disease, 108 patients (36%) were intermediate risk, and 71 patients (24%) were adverse risk. A hundred and seventy-seven patients (60%) attained remission following initial chemotherapy while 58 patients (20%) required an additional cycle of intensive chemotherapy for remission. Patients requiring 2 cycles to reach remission were less likely to be NPM1 mutated (33% versus 51%; P=.025) or be in the ELN 2017 favorable risk category (25% versus 57%; P<.001). In multivariate analysis achievement of remission following 2 cycles of intensive compared with a single cycle resulted in significantly inferior survival [hazard ratio (HR)=1.67, 95% CI, 1.07-2.59; P=.025] whereas leukemia-free survival was not significantly impacted (HR=1.26, 95% CI, 0.85-1.85) (P=.23). Relapse rates also did not differ to a significant degree between groups (45% versus 47%, P=.8). CONCLUSION Attainment of an early remission significantly impacts long term survival in AML patients.
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Affiliation(s)
- Gal Sharvit
- Hematology Division, Chaim Sheba Medical Center, Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel
| | - Gabriel Heering
- Hematology Division, Chaim Sheba Medical Center, Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel
| | - Maya Zlotnik
- Hematology Division, Chaim Sheba Medical Center, Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel
| | - Drorit Merkel
- Hematology Division, Chaim Sheba Medical Center, Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel
| | - Arnon Nagler
- Hematology Division, Chaim Sheba Medical Center, Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel
| | - Abraham Avigdor
- Hematology Division, Chaim Sheba Medical Center, Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel
| | - Avichai Shimoni
- Hematology Division, Chaim Sheba Medical Center, Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel
| | - Jonathan Canaani
- Hematology Division, Chaim Sheba Medical Center, Faculty of Medicine, Tel Aviv University, Tel Hashomer, Israel.
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Keren-Froim N, Heering G, Sharvit G, Zlotnik M, Nagler A, Shimoni A, Avigdor A, Canaani J. ELN 2017 classification significantly impacts the risk of early death in acute myeloid leukemia patients receiving intensive induction chemotherapy. Ann Hematol 2022; 101:309-316. [DOI: 10.1007/s00277-021-04716-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 10/31/2021] [Indexed: 11/29/2022]
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Guo Y, Deng L, Qiao Y, Liu B. Efficacy and safety of adding gemtuzumab ozogamicin to conventional chemotherapy for adult acute myeloid leukemia: a systematic review and meta-analysis. Hematology 2021; 27:53-64. [PMID: 34957930 DOI: 10.1080/16078454.2021.2013410] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
Introduction: Compared with the 3 + 7 regimen, the addition of gemtuzumab ozogamicin (GO) has improved survival in patients with acute myeloid leukemia (AML). We conducted a systematic review and meta-analysis to examine the overall efficacy and safety of GO in combination with conventional chemotherapy regimens in patients with AML.Methods: We searched several databases (MEDLINE, Embase, Web of Science and Cochrane Library). Hazard ratios (HRs) with 95% confidence intervals (CIs) were calculated for overall survival (OS) and relapse-free survival (RFS); odds ratios (ORs) with 95% CIs were calculated for the other outcomes.Results: Ten records involving 11 randomized controlled trials (RCTs) met the inclusion criteria. GO plus induction chemotherapy significantly increased RFS (HR: 0.84, 95% CI: 0.73-0.98), decreased the incidence of relapse (OR: 0.78, 95% CI: 0.68-0.91) and resistant disease (OR: 0.72, 95% CI: 0.61-0.84), and had no significant effect on the rate of complete remission (CR) with or without incomplete platelet recovery (OR: 1.21, 95% CI: 0.94-1.55), 30-day mortality (OR: 1.25, 95% CI: 0.99-1.57). Subgroup analysis showed significant OS benefits for patients with favorable cytogenetic (HR: 0.50, 95% CI: 0.28-0.89) or given GO at induction stage (HR: 0.91, 95% CI: 0.84-1.00). Compared with other dosing schedule groups, 3 mg/m2 fractionated schedule had a greater RFS benefit (HR: 0.52, 95% CI: 0.36-0.76) and lower relapse risk (OR: 0.48, 95% CI: 0.28-0.84).Conclusions: Adding low-dose GO to induction or both induction and post-remission chemotherapy has considerable efficacy and unequivocal safety for newly diagnosed adult AML.
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Affiliation(s)
- Yuancheng Guo
- The First Clinical Medical College, Lanzhou University, Lanzhou, People's Republic of China
| | - Lijuan Deng
- Shaanxi Provincial People's Hospital, Shaanxi, People's Republic of China
| | - Yanhong Qiao
- Xi'an Central Hospital, Xi'an, People's Republic of China
| | - Bei Liu
- The First Clinical Medical College, Lanzhou University, Lanzhou, People's Republic of China.,Department of Hematology, The First Affiliated Hospital, Lanzhou University, Lanzhou, People's Republic of China
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Lim J, Sari-Ak D, Bagga T. Siglecs as Therapeutic Targets in Cancer. BIOLOGY 2021; 10:1178. [PMID: 34827170 PMCID: PMC8615218 DOI: 10.3390/biology10111178] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/03/2021] [Accepted: 11/08/2021] [Indexed: 02/06/2023]
Abstract
Hypersialylation is a common post-translational modification of protein and lipids found on cancer cell surfaces, which participate in cell-cell interactions and in the regulation of immune responses. Sialic acids are a family of nine-carbon α-keto acids found at the outermost ends of glycans attached to cell surfaces. Given their locations on cell surfaces, tumor cells aberrantly overexpress sialic acids, which are recognized by Siglec receptors found on immune cells to mediate broad immunomodulatory signaling. Enhanced sialylation exposed on cancer cell surfaces is exemplified as "self-associated molecular pattern" (SAMP), which tricks Siglec receptors found on leukocytes to greatly down-regulate immune responsiveness, leading to tumor growth. In this review, we focused on all 15 human Siglecs (including Siglec XII), many of which still remain understudied. We also highlighted strategies that disrupt the course of Siglec-sialic acid interactions, such as antibody-based therapies and sialic acid mimetics leading to tumor cell depletion. Herein, we introduced the central roles of Siglecs in mediating pro-tumor immunity and discussed strategies that target these receptors, which could benefit improved cancer immunotherapy.
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Affiliation(s)
- Jackwee Lim
- Singapore Immunology Network, A*STAR, 8a Biomedical Grove, Singapore 138648, Singapore;
| | - Duygu Sari-Ak
- Department of Medical Biology, School of Medicine, University of Health Sciences, Istanbul 34668, Turkey;
| | - Tanaya Bagga
- Singapore Immunology Network, A*STAR, 8a Biomedical Grove, Singapore 138648, Singapore;
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Cytomegalovirus Infections in Children with Primary and Secondary Immune Deficiencies. Viruses 2021; 13:v13102001. [PMID: 34696432 PMCID: PMC8538792 DOI: 10.3390/v13102001] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 09/30/2021] [Accepted: 10/02/2021] [Indexed: 12/15/2022] Open
Abstract
Cytomegalovirus (CMV) is a human herpes virus that causes significant morbidity and mortality in immunosuppressed children. CMV primary infection causes a clinically mild disease in healthy children, usually in early childhood; the virus then utilises several mechanisms to establish host latency, which allows for periodic reactivation, particularly when the host is immunocompromised. It is this reactivation that is responsible for the significant morbidity and mortality in immunocompromised children. We review CMV infection in the primary immunodeficient host, including early identification of these infants by newborn screening to allow for CMV infection prevention strategies. Furthermore, clinical CMV is discussed in the context of children treated with secondary immunodeficiency, particularly paediatric cancer patients and children undergoing haematopoietic stem cell transplant (HSCT). Treatments for CMV are highlighted and include CMV immunotherapy.
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43
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Cao J, Bhatnagar S, Wang J, Qi X, Prabha S, Panyam J. Cancer stem cells and strategies for targeted drug delivery. Drug Deliv Transl Res 2021; 11:1779-1805. [PMID: 33095384 PMCID: PMC8062588 DOI: 10.1007/s13346-020-00863-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/01/2020] [Indexed: 12/23/2022]
Abstract
Cancer stem cells (CSCs) are a small proportion of cancer cells with high tumorigenic activity, self-renewal ability, and multilineage differentiation potential. Standard anti-tumor therapies including conventional chemotherapy, radiation therapy, and molecularly targeted therapies are not effective against CSCs, and often lead to enrichment of CSCs that can result in tumor relapse. Therefore, it is hypothesized that targeting CSCs is key to increasing the efficacy of cancer therapies. In this review, CSC properties including CSC markers, their role in tumor growth, invasiveness, metastasis, and drug resistance, as well as CSC microenvironment are discussed. Further, CSC-targeted strategies including the use of targeted drug delivery systems are examined.
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Affiliation(s)
- Jin Cao
- School of Pharmacy, Jiangsu University, Zhenjiang, 212013, Jiangsu, China
- College of Pharmacy, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Shubhmita Bhatnagar
- College of Pharmacy, University of Minnesota, Minneapolis, MN, 55455, USA
- School of Pharmacy, Temple University, Philadelphia, PA, 19140, USA
| | - Jiawei Wang
- College of Pharmacy, University of Minnesota, Minneapolis, MN, 55455, USA
- College of Pharmacy, University of Texas at Austin, Austin, TX, 78712, USA
| | - Xueyong Qi
- School of Pharmacy, Jiangsu University, Zhenjiang, 212013, Jiangsu, China
| | - Swayam Prabha
- College of Pharmacy, University of Minnesota, Minneapolis, MN, 55455, USA
- Cancer Research & Molecular Biology and Department of Pharmacology, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, 19140, USA
| | - Jayanth Panyam
- College of Pharmacy, University of Minnesota, Minneapolis, MN, 55455, USA.
- School of Pharmacy, Temple University, Philadelphia, PA, 19140, USA.
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Qin H, Yang L, Chukinas JA, Shah N, Tarun S, Pouzolles M, Chien CD, Niswander LM, Welch AR, Taylor N, Tasian SK, Fry TJ. Systematic preclinical evaluation of CD33-directed chimeric antigen receptor T cell immunotherapy for acute myeloid leukemia defines optimized construct design. J Immunother Cancer 2021; 9:jitc-2021-003149. [PMID: 34531250 PMCID: PMC8449984 DOI: 10.1136/jitc-2021-003149] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/06/2021] [Indexed: 12/02/2022] Open
Abstract
Background Successful development of chimeric antigen receptor (CAR) T cell immunotherapy for children and adults with relapsed/refractory acute myeloid leukemia (AML) is highly desired given their poor clinical prognosis and frequent inability to achieve cure with conventional chemotherapy. Initial experiences with CD19 CAR T cell immunotherapy for patients with B-cell malignancies highlighted the critical impact of intracellular costimulatory domain selection (CD28 vs 4-1BB (CD137)) on CAR T cell expansion and in vivo persistence that may impact clinical outcomes. However, the impact of costimulatory domains on the efficacy of myeloid antigen-directed CAR T cell immunotherapy remains unknown. Methods In this preclinical study, we developed six CAR constructs targeting CD33, a highly expressed and validated AML target, comprised of one of three single-chain variable fragments with CD3ζ and either CD28 or 4-1BB costimulatory domains. We systematically compared the preclinical in vitro and in vivo efficacy of T cells lentivirally transduced with CD33 CAR constructs (CD33CARTs) against human AML. Results We observed potent in vitro cytokine production and cytotoxicity of CD33CARTs incubated with human CD33+ AML cell lines, as well as robust in vivo antileukemia activity in cell line and childhood AML patient-derived xenograft (PDX) models. Gemtuzumab-based CD33CARTs were unexpectedly toxic in vivo in animal models despite observed in vitro anti-leukemia activity. CD28-based CD33CARTs consistently induced more robust inhibition of leukemia proliferation in AML cell line and PDX models than did 4-1BB-based CD33CARTs. A ‘best-in-class’ lintuzumab-CD28/CD3ζ CAR construct was thus selected for clinical translation. Conclusions CD33 is a critical antigen for potential immunotherapeutic targeting in patients with AML. Based on this rigorous preclinical evaluation, our validated clinical grade lintuzumab-CD28/CD3ζ CD33CART immunotherapy is now under evaluation in a first-in-child/first-in-human phase 1 clinical trial for children and adolescents/young adults with relapsed/refractory AML. Trial registration number clinicaltrials.gov; NCT03971799.
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Affiliation(s)
- Haiying Qin
- National Institutes of Health, Bethesda, Maryland, USA
| | - Lila Yang
- National Institutes of Health, Bethesda, Maryland, USA
| | - John A Chukinas
- Division of Oncology and Center for Childhood Cancer Research, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Nirali Shah
- National Institutes of Health, Bethesda, Maryland, USA
| | | | | | | | - Lisa M Niswander
- Division of Oncology and Center for Childhood Cancer Research, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.,Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | | | - Naomi Taylor
- National Institutes of Health, Bethesda, Maryland, USA
| | - Sarah K Tasian
- Division of Oncology and Center for Childhood Cancer Research, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA .,Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Terry J Fry
- Division of Hematology/Oncology/BMT, Children's Hospital Colorado, Aurora, Colorado, USA
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Stokke JL, Bhojwani D. Antibody-Drug Conjugates for the Treatment of Acute Pediatric Leukemia. J Clin Med 2021; 10:3556. [PMID: 34441852 PMCID: PMC8396964 DOI: 10.3390/jcm10163556] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/10/2021] [Accepted: 08/11/2021] [Indexed: 12/31/2022] Open
Abstract
The clinical development of antibody-drug conjugates (ADCs) has gained momentum in recent years and these agents are gradually moving into frontline regimens for pediatric acute leukemias. ADCs consist of a monoclonal antibody attached to a cytotoxic payload by a cleavable linker. This structure allows for highly cytotoxic agents to be directly delivered to leukemia cells leading to cell death and avoids excessive off-tumor toxicity. Near universal expression on B-cell acute lymphoblastic leukemia (ALL) blasts and the ability of rapid internalization has rendered CD22 an ideal target for ADC in B-ALL. Inotuzumab ozogamicin, the anti-CD22 antibody linked to calicheamicin led to complete remission rates of 60-80% in patients with relapsed/refractory B-ALL. In acute myeloid leukemia (AML), the CD33 targeting gemtuzumab ozogamicin has demonstrated modest improvements in survival and is the only ADC currently licensed in the United States for pediatric patients with de novo AML. Several other ADCs have been developed and tested clinically for leukemia but have achieved limited success to date. The search for additional leukemia-specific targets and optimization of ADC structure and specificity are ongoing efforts to improve their therapeutic window. This review provides a comprehensive overview of ADCs in acute leukemias, with a focus on pediatric ALL and AML.
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Affiliation(s)
- Jamie L. Stokke
- Division of Hematology-Oncology, Children’s Hospital Los Angeles, Keck School of Medicine, University of Southern California, Los Angeles, CA 90027, USA;
| | - Deepa Bhojwani
- Division of Hematology-Oncology, Children’s Hospital Los Angeles, Keck School of Medicine, University of Southern California, Los Angeles, CA 90027, USA;
- Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA 90033, USA
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Veglia F, Sanseviero E, Gabrilovich DI. Myeloid-derived suppressor cells in the era of increasing myeloid cell diversity. Nat Rev Immunol 2021; 21:485-498. [PMID: 33526920 PMCID: PMC7849958 DOI: 10.1038/s41577-020-00490-y] [Citation(s) in RCA: 866] [Impact Index Per Article: 288.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/14/2020] [Indexed: 01/30/2023]
Abstract
Myeloid-derived suppressor cells (MDSCs) are pathologically activated neutrophils and monocytes with potent immunosuppressive activity. They are implicated in the regulation of immune responses in many pathological conditions and are closely associated with poor clinical outcomes in cancer. Recent studies have indicated key distinctions between MDSCs and classical neutrophils and monocytes, and, in this Review, we discuss new data on the major genomic and metabolic characteristics of MDSCs. We explain how these characteristics shape MDSC function and could facilitate therapeutic targeting of these cells, particularly in cancer and in autoimmune diseases. Additionally, we briefly discuss emerging data on MDSC involvement in pregnancy, neonatal biology and COVID-19.
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Affiliation(s)
- Filippo Veglia
- H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
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CLEC12A and CD33 coexpression as a preferential target for pediatric AML combinatorial immunotherapy. Blood 2021; 137:1037-1049. [PMID: 33094319 DOI: 10.1182/blood.2020006921] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 09/30/2020] [Indexed: 12/14/2022] Open
Abstract
Emerging immunotherapies such as chimeric antigen receptor T cells have advanced the treatment of acute lymphoblastic leukemia. In contrast, long-term control of acute myeloid leukemia (AML) cannot be achieved by single lineage-specific targeting while sparing benign hematopoiesis. In addition, heterogeneity of AML warrants combinatorial targeting, and several suitable immunotargets (HAVCR2/CD33 and HAVCR2/CLEC12A) have been identified in adult AML. However, clinical and biologic characteristics of AML differ between children and the elderly. Here, we analyzed 36 bone marrow (BM) samples of pediatric AML patients and 13 age-matched healthy donors using whole RNA sequencing of sorted CD45dim and CD34+CD38-CD45dim BM populations and flow cytometry for surface expression of putative target antigens. Pediatric AML clusters apart from healthy myeloid BM precursors in principal-component analysis. Known immunotargets of adult AML, such as IL3RA, were not overexpressed in pediatric AML compared with healthy precursors by RNA sequencing. CD33 and CLEC12A were the most upregulated immunotargets on the RNA level and showed the highest surface expression on AML detected by flow cytometry. KMT2A-mutated infant AML clusters separately by RNA sequencing and overexpresses FLT3, and hence, CD33/FLT3 cotargeting is an additional specific option for this subgroup. CLEC12A and CD33/CLEC12Adouble-positive expression was absent in CD34+CD38-CD45RA-CD90+ hematopoietic stem cells (HSCs) and nonhematopoietic tissue, while CD33 and FLT3 are expressed on HSCs. In summary, we show that expression of immunotargets in pediatric AML differs from known expression profiles in adult AML. We identify CLEC12A and CD33 as preferential generic combinatorial immunotargets in pediatric AML and CD33 and FLT3 as immunotargets specific for KMT2A-mutated infant AML.
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CD33 Expression and Gentuzumab Ozogamicin in Acute Myeloid Leukemia: Two Sides of the Same Coin. Cancers (Basel) 2021; 13:cancers13133214. [PMID: 34203180 PMCID: PMC8268215 DOI: 10.3390/cancers13133214] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/17/2021] [Accepted: 06/23/2021] [Indexed: 01/10/2023] Open
Abstract
Simple Summary Roughly 85–90% of adult and pediatric acute myeloid leukemia (AML) are CD33-positive. Gemtuzumab ozogamicin (GO), a humanized murine IgG4 anti-CD33 antibody, is the first target therapy approved in AML therapeutic scenario. This review focuses on current biological information and clinical data from several studies investigating the use of GO in patients with AML. Over the years, flow cytometry, cytogenetics, molecular techniques, and genotyping studies of CD33 SNPs have provided a comprehensive analysis of promising biomarkers for GO responses and have potentially helped to identify subgroups of patients that may benefit from GO addition to standard chemotherapies. Increased understanding of molecular mutations, altered intracellular pathways, and their potential relationship with CD33 expression may open new therapeutic landscapes based on combinatorial regimens in an AML scenario. Abstract Acute myeloid leukemia (AML), the most frequent acute leukemia in adults, has been historically treated with infusional cytarabine (ara-c) + daunorubicin (3 + 7) for at least 40 years. The first “target therapy” to be introduced was the monoclonal anti-CD33 gemtuzumab ozogamicin (GO) in 2004. Unfortunately, in 2010 it was voluntarily withdrawn from the market both for safety reasons related to potential liver toxicity and veno-occlusive disease (VOD) and because clinical studies failed to confirm the clinical benefit during induction and maintenance. Seven years later, GO was re-approved based on new data, including insights into its mechanism of action on its target receptor CD33 expressed on myeloid cells. The present review focuses on current biological information and clinical data from several studies investigating GO. Cytogenetic, molecular, and immunophenotypic data are now able to predict the potential positive advantages of GO, with the exception of high-risk AML patients who do not seem to benefit. GO can be considered a ‘repurposed drug’ that could be beneficial for some patients with AML, mostly in combination with new drugs already approved or currently in testing.
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Abstract
OPINION STATEMENT Chimeric antigen receptor (CAR) T-cell therapy has become the standard of care for children and young adults with relapsed and refractory B-cell acute lymphoblastic leukemia (B-ALL), and it is a highly promising therapy under investigation for adults with relapsed disease. Despite having potentially life-threatening toxicities, such as cytokine release syndrome and immune effector cell-associated neurotoxicity syndrome, the benefits of CAR T-cell therapy far outweigh these risks, particularly as increased experience and improved supportive care measures are mitigating these toxicities. CAR T cells can result in complete remission for significant proportion of patients with relapsed and refractory B-ALL and permit them to proceed to potentially curative allogeneic hematopoietic stem cell transplantation (allo-HSCT). CAR T cells may also be curative by themselves. Herein lie the greatest challenges and questions for clinical investigators, specifically, how are CAR T cells best employed and how do we overcome mechanisms of resistance to them? The primary clinical question is the timing and even the necessity of allo-HSCT. Relative to resistance, we know that target antigen loss, specifically CD19, is a major contributor to resistance. However, current investigations of alternative targets, such CD22, and CAR T cells expressing dual targeting antigen receptors have demonstrated encouraging initial results and provide a high degree of optimism that the efficacy and the broader application of CAR T-cell therapy will gradually increase in B-ALL. That optimism is not as high and the challenges are increased for the application of CAR T cells in T-cell leukemias and acute myeloid leukemia due to the relative lack of suitable leukemia surface targets that are not also expressed on normal hematopoietic progenitors. Despite these significant challenges, considerable research is being conducted into the development of CAR T cells for these diseases utilizing unique technologies, which may be applicable to other diseases.
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Targeted Therapeutic Approach Based on Understanding of Aberrant Molecular Pathways Leading to Leukemic Proliferation in Patients with Acute Myeloid Leukemia. Int J Mol Sci 2021; 22:ijms22115789. [PMID: 34071627 PMCID: PMC8198876 DOI: 10.3390/ijms22115789] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 05/14/2021] [Accepted: 05/26/2021] [Indexed: 12/21/2022] Open
Abstract
Acute myeloid leukemia (AML) is a heterogenous hematopoietic neoplasm with various genetic abnormalities in myeloid stem cells leading to differentiation arrest and accumulation of leukemic cells in bone marrow (BM). The multiple genetic alterations identified in leukemic cells at diagnosis are the mainstay of World Health Organization classification for AML and have important prognostic implications. Recently, understanding of heterogeneous and complicated molecular abnormalities of the disease could lead to the development of novel targeted therapeutic agents. In the past years, gemtuzumab ozogamicin, BCL-2 inhibitors (venetovlax), IDH 1/2 inhibitors (ivosidenib and enasidenib) FLT3 inhibitors (midostaurin, gilteritinib, and enasidenib), and hedgehog signaling pathway inhibitors (gladegib) have received US Food and Drug Administration (FDA) approval for the treatment of AML. Especially, AML patients with elderly age and/or significant comorbidities are not currently suitable for intensive chemotherapy. Thus, novel therapeutic planning including the abovementioned target therapies could lead to improve clinical outcomes in the patients. In the review, we will present various important and frequent molecular abnormalities of AML and introduce the targeted agents of AML that received FDA approval based on the previous studies.
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