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Fatal Progression of Mutated TP53-Associated Clonal Hematopoiesis Following Anti-CD19 CAR-T Cell Therapy

Overview
Journal Curr Oncol
Publisher MDPI
Specialty Oncology
Date 2023 Jan 20
PMID 36661736
Authors
Affiliations
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Abstract

We present the case of a 64-year-old man diagnosed with large B-cell lymphoma who relapsed twice after standard-of-care therapy. Due to persisting cytopenia, Next generation sequencing analysis was performed, revealing a small -mutated clone. As a third-line therapy, the patient was treated with CAR-T cells, which resulted in complete remission. However, this treatment also led to the expansion of the -mutated clone and therapy-related myelodysplasia with a complex aberrant karyotype. This case may serve as a paradigmatic example of clonal hematopoietic progression in a patient undergoing CAR-T cell therapy, especially in the context of a -mutated clone.

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