Advancing Chimeric Antigen Receptor T-Cell Therapy for Acute Myeloid Leukemia: Current Limitations and Emerging Strategies

Chimeric antigen receptor (CAR) T-cell therapy represents one of the most impressive advances in anticancer therapy of the last decade. While CAR T-cells are gaining ground in various B cell malignancies, their use in acute myeloid leukemia (AML) remains limited, and no CAR-T product has yet receive...

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Main Authors: Daniela Damiani, Mario Tiribelli
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Pharmaceuticals
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Online Access:https://www.mdpi.com/1424-8247/17/12/1629
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author Daniela Damiani
Mario Tiribelli
author_facet Daniela Damiani
Mario Tiribelli
author_sort Daniela Damiani
collection DOAJ
description Chimeric antigen receptor (CAR) T-cell therapy represents one of the most impressive advances in anticancer therapy of the last decade. While CAR T-cells are gaining ground in various B cell malignancies, their use in acute myeloid leukemia (AML) remains limited, and no CAR-T product has yet received approval for AML. The main limitation of CAR-T therapy in AML is the lack of specific antigens that are expressed in leukemic cells but not in their healthy counterparts, such as hematopoietic stem cells (HSCs), as their targeting would result in an on-target/off-tumor toxicity. Moreover, the heterogeneity of AML and the tendency of blasts to modify surface antigens’ expression in the course of the disease make identification of suitable targets even more challenging. Lastly, AML’s immunosuppressive microenvironment dampens CAR-T therapeutic activities. In this review, we focus on the actual pitfalls of CAR T-cell therapy in AML, and we discuss promising approaches to overcome them.
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spelling doaj-art-e12621182be94d14a1cd0ca1de81ed582025-08-20T02:43:45ZengMDPI AGPharmaceuticals1424-82472024-12-011712162910.3390/ph17121629Advancing Chimeric Antigen Receptor T-Cell Therapy for Acute Myeloid Leukemia: Current Limitations and Emerging StrategiesDaniela Damiani0Mario Tiribelli1Division of Hematology and Stem Cell Transplantation, University Hospital, 33100 Udine, ItalyDivision of Hematology and Stem Cell Transplantation, University Hospital, 33100 Udine, ItalyChimeric antigen receptor (CAR) T-cell therapy represents one of the most impressive advances in anticancer therapy of the last decade. While CAR T-cells are gaining ground in various B cell malignancies, their use in acute myeloid leukemia (AML) remains limited, and no CAR-T product has yet received approval for AML. The main limitation of CAR-T therapy in AML is the lack of specific antigens that are expressed in leukemic cells but not in their healthy counterparts, such as hematopoietic stem cells (HSCs), as their targeting would result in an on-target/off-tumor toxicity. Moreover, the heterogeneity of AML and the tendency of blasts to modify surface antigens’ expression in the course of the disease make identification of suitable targets even more challenging. Lastly, AML’s immunosuppressive microenvironment dampens CAR-T therapeutic activities. In this review, we focus on the actual pitfalls of CAR T-cell therapy in AML, and we discuss promising approaches to overcome them.https://www.mdpi.com/1424-8247/17/12/1629CAR T-cell therapyacute myeloid leukemiatoxicityoutcome
spellingShingle Daniela Damiani
Mario Tiribelli
Advancing Chimeric Antigen Receptor T-Cell Therapy for Acute Myeloid Leukemia: Current Limitations and Emerging Strategies
Pharmaceuticals
CAR T-cell therapy
acute myeloid leukemia
toxicity
outcome
title Advancing Chimeric Antigen Receptor T-Cell Therapy for Acute Myeloid Leukemia: Current Limitations and Emerging Strategies
title_full Advancing Chimeric Antigen Receptor T-Cell Therapy for Acute Myeloid Leukemia: Current Limitations and Emerging Strategies
title_fullStr Advancing Chimeric Antigen Receptor T-Cell Therapy for Acute Myeloid Leukemia: Current Limitations and Emerging Strategies
title_full_unstemmed Advancing Chimeric Antigen Receptor T-Cell Therapy for Acute Myeloid Leukemia: Current Limitations and Emerging Strategies
title_short Advancing Chimeric Antigen Receptor T-Cell Therapy for Acute Myeloid Leukemia: Current Limitations and Emerging Strategies
title_sort advancing chimeric antigen receptor t cell therapy for acute myeloid leukemia current limitations and emerging strategies
topic CAR T-cell therapy
acute myeloid leukemia
toxicity
outcome
url https://www.mdpi.com/1424-8247/17/12/1629
work_keys_str_mv AT danieladamiani advancingchimericantigenreceptortcelltherapyforacutemyeloidleukemiacurrentlimitationsandemergingstrategies
AT mariotiribelli advancingchimericantigenreceptortcelltherapyforacutemyeloidleukemiacurrentlimitationsandemergingstrategies