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Long-Term Neurological Safety in B-Cell Lymphoma Patients Treated With Anti-CD19 CAR T-Cell Therapy
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Edité par CCSD ; American Academy of Neurology -
International audience. Background and Objectives:Anti-CD19 CAR T-cell therapy is a promising treatment in relapsing B-cell lymphoma, but is frequently associated with acute neurotoxicity. Neurological long-term safety has not been thoroughly assessed.Methods:All consecutive refractory lymphoma patients admitted in our center for CAR T-cell therapy underwent neurological examination, extensive neuropsychological assessment, brain MRI (except one patient) and completed self-administrated questionnaires at baseline. The patients who remained disease-free at 2 years were re-evaluated similarly. All neurological assessments were conducted by senior neurologists.Results:None of the 19 disease-free patients developed new neurological deficits or MRI changes when compared to baseline. There was no difference in cognitive performances before and two years after, even for the 11 patients who had developed acute neurotoxicity after CAR T-cells.In self-questionnaire assessments, cognitive complaint was stable, reported by 32% of patients at 2 years. We observed a reduction in HADS anxiety scores two years after treatment when compared to baseline (median score: 7/21 vs 4/21, p=0.01).Discussion:In conclusion, no significant neurocognitive or neurological disorders were observed in this cohort of patients, two years after treatment with anti-CD19 CAR T-cells.
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