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Outcomes of CAR-T cell therapy and bispecific antibodies as single-modality and sequential strategies in relapsed/refractory multiple myeloma

Item Type:Article
Title:Outcomes of CAR-T cell therapy and bispecific antibodies as single-modality and sequential strategies in relapsed/refractory multiple myeloma
Creators: Merz, Maximilian, Jelinek, Tomas, Pabst, Thomas, Teipel, Raphael, Albici, Anca-Maria, von Tresckow, Bastian, Teichert, Marcel, Demel, Uta Margareta ORCID logoORCID: https://orcid.org/0000-0002-6480-4185, Busse, Antonia ORCID logoORCID: https://orcid.org/0000-0002-3470-6947, Wesener, Marie Christine, Holderried, Tobias A.W., Schmitz, Friederike, Rößiger, Friedrich-Linus, Müller, Fabian, Hoffmann, Michele, Stölzel, Friedrich, Tovar, Natalia, Baermann, Ben-Niklas, Stork, Martin, Jungova, Alexandra, Minarik, Jiri, Radocha, Jakub, Spicka, Ivan, Pour, Ludek, Novak, Polona, Slajpah, Klara, Rener, Karla, Keller, Ulrich ORCID logoORCID: https://orcid.org/0000-0002-8485-1958, Bohl, Stephan, Fandrei, David, Born, Patrick, Vucinic, Vladan, Kröger, Nicolaus, Strassl, Irene, Schub, Natalie, Hájek, Roman, Sever, Matjaz, Fernández de Larrea, Carlos and Gagelmann, Nico
Abstract:We explored single or consecutive CAR-T and BsAb treatment modalities as correlates of clinical outcomes, by complementary bias-correction analysis of a retrospective multicenter study of 640 patients with relapsed/refractory multiple myeloma. Sequential use of both modalities appeared to yield the most favorable survival trajectories. Initiating treatment with CAR-T (ide-cel, cilta-cel, cesni-cel) was associated with longer remission. However, mortality from early progression was similar regardless of initial modality, suggesting that resistance may negate initial efficacy difference. On product level, the benefit of CAR-T appeared to be driven by cilta-cel and cesni-cel, whereas BsAb showed at least comparable outcomes to ide-cel. These exploratory findings highlight the critical importance of treatment sequencing in optimizing long-term outcomes and underscore the need for equitable and timely access to both modalities across healthcare systems.
Keywords:Multiple Myeloma, Chimeric Antigen Receptor T Cells, Bispecific Antibodies, Ciltacabtagene Autoleucel, Idecabtagene Vicleucel, Cesnicabtagene Autoleucel, Teclistamab, Talquetamab, Elranatamab
Source:Blood Cancer Discovery
ISSN:2643-3230
Publisher:American Association for Cancer Research
Date:12 June 2026
Official Publication:https://doi.org/10.1158/2643-3230.bcd-25-0461
PubMed:View item in PubMed

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