Cited by 66Multiple Myeloma Research and TreatmentsCAR-T cell therapy researchNeutropenia and Cancer Infections

Risk of infections with B-cell maturation antigen-directed immunotherapy in multiple myeloma

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Mohan, Meera, Nagavally, Sneha, Dhakal, Binod, Radhakrishnan, Sabarinath Venniyil, Chhabra, Saurabh, D’Souza, Anita, Hari, Parameswaran·2022·Blood Advances

Abstract

B-cell maturation antigen (BCMA) is a novel target for T-cell immunotherapy in multiple myeloma (MM) including bispecific antibody (bsAb), antibody drug conjugates, and chimeric antigen receptor T-cell therapy (CAR-T).1-3 BCMA signaling is critical for survival and proliferation of long-lived plasma cells.4 Impaired immune reconstitution, cytopenia, B-cell aplasia, and hypogammaglobinemia (HGG) can compound preexisting MM-induced immunosuppression.5 In addition, bsAb can redirect and activate regulatory T cells, thus theoretically increasing the risk of infections.6 Here, we describe the infectious complications observed across different BCMA-directed T-cell therapies (bsAb and CAR-T) in relapsed/refractory MM clinical trials at our center.Infections confirmed by clinical, imaging, microbiologic, or histopathologic evidence were captured from day 1 of the first cycle of bsAb and day 1 of lymphodepletion chemotherapy in autologous BCMA CAR-T therapies until disease progression or last follow-up.National Cancer Institute Common Terminology Criteria for Adverse Events, version 5, was used to describe the site and grade of infections.7 The serum immunoglobulin G concentration was evaluated before inception of treatment and approximately monthly thereafter.Antimicrobial prophylaxis was in accordance with institutional standards for CAR-T recipients (supplemental Table 1) and at physician's discretion for patients on bsAb therapy.Descriptive statistics and comparisons were performed using 2-sample t test for continuous variables and x 2 goodness-of-fit test for categorical variables.

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Crossref · 10.1182/bloodadvances.2021006178

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  • Inhibiting BCMA signaling, which is critical for the survival and proliferation of plasma cells, may worsen the pre-existing myeloma-induced immunosupression.

    “Inhibiting BCMA signaling, which is critical for the survival and proliferation of plasma cells, may worsen the pre-existing myeloma-induced immunosupression31,32,34.”

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Authors
Mohan, M., Nagavally, S., Dhakal, B., Radhakrishnan, S. V., Chhabra, S., D’Souza, A., & Hari, P.
Affiliations
Medical College of Wisconsin (US)
Corresponding author
Mohan, Meera
Venue
Blood Advances
Published
2022-04-18
Volume
6
Issue
8
Pages
2466-2470
ISSN
  • 2473-9529 (ISSN-L)
  • 2473-9537
OpenAlex
W4200164765
Cited by
66
References
17
Citations by year
2026: 12 · 2025: 12 · 2024: 15 · 2023: 21 · 2022: 4 · 2013: 1
FWCI
6.53
Type
journal article
Language
en
Open access
Licence
cc-by-nc-nd
Locations
  • Blood Advances (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Hematology › Multiple Myeloma Research and Treatments
  • Health Sciences › Medicine › Oncology › CAR-T cell therapy research
  • Health Sciences › Medicine › Oncology › Neutropenia and Cancer Infections
Keywords
BCMA, multiple myeloma, infection, bispecific antibodies, CAR T-cell therapy, relapsed/refractory multiple myeloma, immunosuppression, lymphodepletion chemotherapy, antibiotic prophylaxis, serum IgG
MeSH terms
Receptors, Chimeric Antigen, Humans, Immunologic Factors, Immunotherapy, Multiple Myeloma, B-Cell Maturation Antigen

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