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Article Abstract

Background: Bispecific antibodies are effective for relapsed/refractory B-cell lymphoma patients even after CAR-T therapy.

Methods: Peripheral blood CAR-T kinetics and functional analysis in vivo were carried out pre- and post-epcoritamab infusion in B-cell lymphoma patients relapsing after CAR-T therapy.

Results: CAR copy numbers spiked at relapse and rose again following epcoritamab administration. Expression levels of CAR-T exhaustion markers did not increase, whereas perforin and granzyme B expression increased after epcoritamab induction.

Conclusion: Early epcoritamab administration without cytotoxic agents at relapse after CAR-T therapy revives CAR-T cell numbers and cytotoxicity, which may potentially lead to favorable clinical outcomes.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12172560PMC
http://dx.doi.org/10.1002/jha2.70079DOI Listing

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