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Abenavoli EM, Linguanti F, Dercle L, Berti V, Lopci E. FDG-PET/CT Imaging in Chimeric Antigen Receptor-Engineered T-Cell Treatment in Patients with B-Cell Lymphoma: Current Evidence. PET Clin 2024:S1556-8598(24)00052-X. [PMID: 38969565 DOI: 10.1016/j.cpet.2024.05.006] [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: 07/07/2024]
Abstract
The Food and Drug Administration and the European Medicines Agency have recently approved chimeric antigen receptor-engineered (CAR) T cells to treat several refractory/relapsed B-cell lymphomas. This comprehensive review aims to demonstrate the pivotal role that [18F]-FDG PET/computed tomographic (CT) imaging can play to enhance the care of patients treated with CAR T-cell therapy. To this end, this review deciphers evidence showing the diagnostic, prognostic, predictive, and theragnostic value of [18F]-FDG PET/CT-derived parameters.
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Affiliation(s)
| | - Flavia Linguanti
- Nuclear Medicine Department, Ospedale San Donato, Via Pietro Nenni 20, Arezzo 52100, Italy; Nuclear Medicine Unit, Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Largo Brambilla 3, Florence 50134, Italy
| | - Laurent Dercle
- Department of Radiology, New York-Presbyterian Hospital, Columbia University Vagelos College of Physicians and Surgeons, 622 West 168th Street, New York, NY 10032, USA
| | - Valentina Berti
- Nuclear Medicine Unit, Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Largo Brambilla 3, Florence 50134, Italy
| | - Egesta Lopci
- Nuclear Medicine Unit, IRCCS-Humanitas Research Hospital, Via Manzoni 56, Rozzano, Milano CAP 20089, Italy.
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Hanssens H, Meeus F, Gesquiere EL, Puttemans J, De Vlaeminck Y, De Veirman K, Breckpot K, Devoogdt N. Anti-Idiotypic VHHs and VHH-CAR-T Cells to Tackle Multiple Myeloma: Different Applications Call for Different Antigen-Binding Moieties. Int J Mol Sci 2024; 25:5634. [PMID: 38891821 PMCID: PMC11171536 DOI: 10.3390/ijms25115634] [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: 03/25/2024] [Revised: 05/14/2024] [Accepted: 05/16/2024] [Indexed: 06/21/2024] Open
Abstract
CAR-T cell therapy is at the forefront of next-generation multiple myeloma (MM) management, with two B-cell maturation antigen (BCMA)-targeted products recently approved. However, these products are incapable of breaking the infamous pattern of patient relapse. Two contributing factors are the use of BCMA as a target molecule and the artificial scFv format that is responsible for antigen recognition. Tackling both points of improvement in the present study, we used previously characterized VHHs that specifically target the idiotype of murine 5T33 MM cells. This idiotype represents one of the most promising yet challenging MM target antigens, as it is highly cancer- but also patient-specific. These VHHs were incorporated into VHH-based CAR modules, the format of which has advantages compared to scFv-based CARs. This allowed a side-by-side comparison of the influence of the targeting domain on T cell activation. Surprisingly, VHHs previously selected as lead compounds for targeted MM radiotherapy are not the best (CAR-) T cell activators. Moreover, the majority of the evaluated VHHs are incapable of inducing any T cell activation. As such, we highlight the importance of specific VHH selection, depending on its intended use, and thereby raise an important shortcoming of current common CAR development approaches.
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Affiliation(s)
- Heleen Hanssens
- Molecular Imaging and Therapy Research Group (MITH), Department of Biomedical Sciences, Vrije Universiteit Brussel, Laarbeeklaan 103/K0, 1090 Brussels, Belgium; (H.H.); (E.L.G.); (J.P.)
| | - Fien Meeus
- Laboratory for Molecular and Cellular Therapy (LMCT), Translational Oncology Research Center, Department of Biomedical Sciences, Vrije Universiteit Brussel, Laarbeeklaan 103/E2, 1090 Brussels, Belgium; (F.M.); (Y.D.V.); (K.B.)
| | - Emma L. Gesquiere
- Molecular Imaging and Therapy Research Group (MITH), Department of Biomedical Sciences, Vrije Universiteit Brussel, Laarbeeklaan 103/K0, 1090 Brussels, Belgium; (H.H.); (E.L.G.); (J.P.)
| | - Janik Puttemans
- Molecular Imaging and Therapy Research Group (MITH), Department of Biomedical Sciences, Vrije Universiteit Brussel, Laarbeeklaan 103/K0, 1090 Brussels, Belgium; (H.H.); (E.L.G.); (J.P.)
| | - Yannick De Vlaeminck
- Laboratory for Molecular and Cellular Therapy (LMCT), Translational Oncology Research Center, Department of Biomedical Sciences, Vrije Universiteit Brussel, Laarbeeklaan 103/E2, 1090 Brussels, Belgium; (F.M.); (Y.D.V.); (K.B.)
| | - Kim De Veirman
- Laboratory for Hematology and Immunology (HEIM), Translational Oncology Research Center, Department of Biomedical Sciences, Vrije Universiteit Brussel, Laarbeeklaan 103/D0, 1090 Brussels, Belgium;
| | - Karine Breckpot
- Laboratory for Molecular and Cellular Therapy (LMCT), Translational Oncology Research Center, Department of Biomedical Sciences, Vrije Universiteit Brussel, Laarbeeklaan 103/E2, 1090 Brussels, Belgium; (F.M.); (Y.D.V.); (K.B.)
| | - Nick Devoogdt
- Molecular Imaging and Therapy Research Group (MITH), Department of Biomedical Sciences, Vrije Universiteit Brussel, Laarbeeklaan 103/K0, 1090 Brussels, Belgium; (H.H.); (E.L.G.); (J.P.)
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Kirchberg J, Fischer L, Born P, Brunner F, Morgner C, Fürst D, Heyn S, Bach E, Brueckner M, Jentzsch M, Wang SY, Böttcher S, Franke GN, Schrezenmeier H, Platzbecker U, Merz M, Vučinić V. Impact of Previous Allogeneic Hematopoietic Stem Cell Transplantation on Chimeric Antigen Receptor (CAR) T Cell Treatment for Relapsed/Refractory Multiple Myeloma. CLINICAL LYMPHOMA, MYELOMA & LEUKEMIA 2024:S2152-2650(24)00176-9. [PMID: 38821728 DOI: 10.1016/j.clml.2024.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 04/18/2024] [Accepted: 05/01/2024] [Indexed: 06/02/2024]
Abstract
BACKGROUND Anti-BCMA-directed chimeric antigen receptor (CAR) T cells are effective treatment for patients with refractory/relapsed multiple myeloma (RRMM). However, little is known about the impact of previous allogeneic hematopoietic stem cell transplantation (allo-HSCT) on lymphocyte collection for production of CAR T cells and subsequent treatment with CAR T cells. PATIENTS AND METHODS We performed a retrospective analysis of cellular composition of lymphocyte collections, CAR T cell expansion and treatment outcomes of RRMM patients undergoing therapy with idecabtagene vicleucel (ide-cel) with and without history of allo-HSCT. 27 patients (11/27 female) with median age 63 (range 39-75) years were analyzed. Five patients (19%) had the history of allo-HSCT median of 5.5 years before ide-cel. RESULTS Prior to apheresis, the white blood cell, absolute lymphocyte counts, CD3+ cells and monocytes did not differ in patients with and without prior allo-HSCT. We also noticed no differences in the collected CD3+ yields or cellular compositions of lymphocyte collections. One year after ide-cel infusion, the progression-free survival and overall survival of patients with and without previous allo-HSCT did not differ with 60% and 45% respectively (P = .58) and 66.7% and 74% respectively (P = .84). The highest expansion of CAR T was detected between day 7 after infusion and showed no difference regarding previous allo-HSCT (P = .71). No graft-versus-host disease during the follow-up was detected. CONCLUSION Our data confirm that the treatment with ide-cel is feasible for patients with prior allo-HSCT. Furthermore, allo-HSCT did not influence cellular composition of lymphocyte collections, clinical outcome or in vivo expansion of ide-cel.
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Affiliation(s)
- Janine Kirchberg
- Department of Hematology, Cellular Therapy, Hemostaseology and Infectious Diseases, University Leipzig Medical Center, Leipzig, Germany; Comprehensive Cancer Center Central Germany, Leipzig, Jena, Germany
| | - Luise Fischer
- Department of Hematology, Cellular Therapy, Hemostaseology and Infectious Diseases, University Leipzig Medical Center, Leipzig, Germany; Comprehensive Cancer Center Central Germany, Leipzig, Jena, Germany
| | - Patrick Born
- Department of Hematology, Cellular Therapy, Hemostaseology and Infectious Diseases, University Leipzig Medical Center, Leipzig, Germany; Comprehensive Cancer Center Central Germany, Leipzig, Jena, Germany
| | - Franziska Brunner
- Department of Internal Medicine IV, Hematology and Oncology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Charlotte Morgner
- Department of Internal Medicine IV, Hematology and Oncology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Daniel Fürst
- Institute of Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Transfusion Service, Baden Wuerttemberg-Hessen, University Hospital Ulm, Ulm, Germany; Institute of Transfusion Medicine, University of Ulm, Ulm, Germany
| | - Simone Heyn
- Department of Hematology, Cellular Therapy, Hemostaseology and Infectious Diseases, University Leipzig Medical Center, Leipzig, Germany; Comprehensive Cancer Center Central Germany, Leipzig, Jena, Germany
| | - Enrica Bach
- Department of Hematology, Cellular Therapy, Hemostaseology and Infectious Diseases, University Leipzig Medical Center, Leipzig, Germany; Comprehensive Cancer Center Central Germany, Leipzig, Jena, Germany
| | - Mandy Brueckner
- Department of Hematology, Cellular Therapy, Hemostaseology and Infectious Diseases, University Leipzig Medical Center, Leipzig, Germany; Comprehensive Cancer Center Central Germany, Leipzig, Jena, Germany
| | - Madlen Jentzsch
- Department of Hematology, Cellular Therapy, Hemostaseology and Infectious Diseases, University Leipzig Medical Center, Leipzig, Germany; Comprehensive Cancer Center Central Germany, Leipzig, Jena, Germany
| | - Song-Yau Wang
- Department of Hematology, Cellular Therapy, Hemostaseology and Infectious Diseases, University Leipzig Medical Center, Leipzig, Germany; Comprehensive Cancer Center Central Germany, Leipzig, Jena, Germany
| | - Sebastian Böttcher
- Department of Medicine III Hematology, Oncology and Palliative Care, University Hospital, Rostock, Germany
| | - Georg-Nikolaus Franke
- Department of Hematology, Cellular Therapy, Hemostaseology and Infectious Diseases, University Leipzig Medical Center, Leipzig, Germany; Comprehensive Cancer Center Central Germany, Leipzig, Jena, Germany
| | - Hubert Schrezenmeier
- Institute of Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Transfusion Service, Baden Wuerttemberg-Hessen, University Hospital Ulm, Ulm, Germany; Institute of Transfusion Medicine, University of Ulm, Ulm, Germany
| | - Uwe Platzbecker
- Department of Hematology, Cellular Therapy, Hemostaseology and Infectious Diseases, University Leipzig Medical Center, Leipzig, Germany; Comprehensive Cancer Center Central Germany, Leipzig, Jena, Germany
| | - Maximilian Merz
- Department of Hematology, Cellular Therapy, Hemostaseology and Infectious Diseases, University Leipzig Medical Center, Leipzig, Germany; Comprehensive Cancer Center Central Germany, Leipzig, Jena, Germany
| | - Vladan Vučinić
- Department of Hematology, Cellular Therapy, Hemostaseology and Infectious Diseases, University Leipzig Medical Center, Leipzig, Germany; Comprehensive Cancer Center Central Germany, Leipzig, Jena, Germany.
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