Cytopenia after CAR‑T cell therapy: Analysis of 63 patients with relapsed and refractory B‑cell non‑Hodgkin lymphoma.
Oncology letters(2023)
摘要
The present study aimed to determine the clinical characteristics of cytopenia in patients with relapsed and refractory B-cell non-Hodgkin lymphoma (B-NHL) who were treated with chimeric antigen receptor T-cell (CAR-T) therapy. Thus, a total of 63 patients with relapsed and refractory B-NHL who underwent CAR-T therapy between March 2017 and October 2021 were retrospectively selected for analysis. Neutropenia, anemia and thrombocytopenia at grade ≥3 occurred in 48 (76.19%), 16 (25.39%) and 15 (23.80%) cases, respectively. The results of a multivariate analysis demonstrated that the baseline absolute neutrophil count (ANC) and hemoglobin concentration were independent risk factors for grade ≥3 cytopenia. A total of 3 patients died early and were therefore excluded from the present study. Furthermore, cell recovery was examined at day +28 after infusion; 21 patients (35%) did not recover from cytopenia and 39 patients (65%) recovered. A multivariate analysis demonstrated that the baseline ANC <2.29×10/l, baseline hemoglobin <114.50 g/l and baseline IL-6 >21.43 pg/l were independent risk factors affecting hemocyte recovery. In conclusion, patients with relapsed and refractory B-NHL exhibited an increased incidence of grade ≥3 hematologic toxicity following CAR-T cell therapy, while baseline blood cell and IL-6 levels are independent risk factors for hemocyte recovery.
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关键词
chimeric antigen receptor T-cell, B-cell non-Hodgkin lymphoma, cytopenia
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