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Association of CD19+-Targeted Chimeric Antigen Receptor (CAR) T-cell Therapy with Hypogammaglobulinemia, Infection and Mortality.
Journal of Allergy and Clinical Immunology ( IF 11.4 ) Pub Date : 2024-11-04 , DOI: 10.1016/j.jaci.2024.10.021 Natalia M Sutherland,Baijun Zhou,Lingxiao Zhang,Mei-Sing Ong,Joseph S Hong,Andrew Pak,Katherine J Liu,Matthew J Frigault,Marcela V Maus,Joshua A Hill,Kerry Reynolds,Jolan E Walter,Carlos A Camargo,Sara Barmettler
Journal of Allergy and Clinical Immunology ( IF 11.4 ) Pub Date : 2024-11-04 , DOI: 10.1016/j.jaci.2024.10.021 Natalia M Sutherland,Baijun Zhou,Lingxiao Zhang,Mei-Sing Ong,Joseph S Hong,Andrew Pak,Katherine J Liu,Matthew J Frigault,Marcela V Maus,Joshua A Hill,Kerry Reynolds,Jolan E Walter,Carlos A Camargo,Sara Barmettler
BACKGROUND
CD19-targeted chimeric antigen receptor T-cell therapy (CAR-T therapy) has revolutionized the treatment of hematologic malignancies. As these cells target CD19+ receptors on B-cells, there is the potential for B-cell aplasia and hypogammaglobulinemia. Data on the degree and clinical significance of hypogammaglobulinemia are sparse.
OBJECTIVE
To evaluate hypogammaglobulinemia after CD19-targeted CAR-T therapy and risk factors for hypogammaglobulinemia, infections, and mortality.
METHODS
We performed a retrospective evaluation of 579 patients receiving CD19-directed CAR-T therapy and evaluated demographics, hypogammaglobulinemia (immunoglobulin G [IgG]≤600mg/dL), infections pre- and post-CAR-T therapy, and risk factors for hypogammaglobulinemia, infection, hospitalizations, and mortality.
RESULTS
Patients had a mean age of 64 years and 64% were male. Prior to CAR-T therapy, 60% of patients had hypogammaglobulinemia, which increased to 91% post-CAR-T therapy. Mean IgG levels decreased from pre- to post-CAR-T therapy (587 to 362 mg/dL; p<0.0001). 37% of patients developed a serious infection post-CAR-T therapy. Hypogammaglobulinemia pre-CAR-T therapy was associated with worsening hypogammaglobulinemia post-CAR-T therapy. Hypogammaglobulinemia post-CAR-T therapy was associated with an increased risk of serious infection post-CAR-T therapy (IRR=2.7; 95% CI=1.5-5.2; p=0.002). Risk factors for mortality included mild hypogammaglobulinemia (400mg/dL
中文翻译:
CD19 + 靶向嵌合抗原受体 (CAR) T 细胞疗法与低丙种球蛋白血症、感染和死亡率的关联。
背景 靶向 CD19 的嵌合抗原受体 T 细胞疗法 (CAR-T 疗法) 彻底改变了血液系统恶性肿瘤的治疗。由于这些细胞靶向 B 细胞上的 CD19+ 受体,因此可能存在 B 细胞再生障碍和低丙种球蛋白血症。关于低丙种球蛋白血症的程度和临床意义的数据很少。目的 评估靶向 CD19 的 CAR-T 治疗后低丙种球蛋白血症以及低丙种球蛋白血症、感染和死亡的危险因素。方法 我们对 579 例接受 CD19 定向 CAR-T 治疗的患者进行了回顾性评估,并评估了人口统计学、低丙种球蛋白血症 (免疫球蛋白 G [IgG]≤600mg/dL)、CAR-T 治疗前后的感染,以及低丙种球蛋白血症、感染、住院和死亡率的危险因素。结果 患者平均年龄为 64 岁,其中 64% 为男性。在 CAR-T 治疗之前,60% 的患者患有低丙种球蛋白血症,CAR-T 治疗后增加到 91%。从 CAR-T 治疗前到治疗后,平均 IgG 水平下降 (587 至 362 mg/dL;p<0.0001)。37% 的患者在 CAR-T 治疗后发生严重感染。CAR-T 治疗前的低丙种球蛋白血症与 CAR-T 治疗后低丙种球蛋白血症恶化有关。CAR-T 治疗后低丙种球蛋白血症与 CAR-T 治疗后严重感染风险增加相关 (IRR=2.7;95% CI=1.5-5.2;p=0.002)。死亡的危险因素包括轻度低丙种球蛋白血症 (400mg/dL
更新日期:2024-11-04
中文翻译:
CD19 + 靶向嵌合抗原受体 (CAR) T 细胞疗法与低丙种球蛋白血症、感染和死亡率的关联。
背景 靶向 CD19 的嵌合抗原受体 T 细胞疗法 (CAR-T 疗法) 彻底改变了血液系统恶性肿瘤的治疗。由于这些细胞靶向 B 细胞上的 CD19+ 受体,因此可能存在 B 细胞再生障碍和低丙种球蛋白血症。关于低丙种球蛋白血症的程度和临床意义的数据很少。目的 评估靶向 CD19 的 CAR-T 治疗后低丙种球蛋白血症以及低丙种球蛋白血症、感染和死亡的危险因素。方法 我们对 579 例接受 CD19 定向 CAR-T 治疗的患者进行了回顾性评估,并评估了人口统计学、低丙种球蛋白血症 (免疫球蛋白 G [IgG]≤600mg/dL)、CAR-T 治疗前后的感染,以及低丙种球蛋白血症、感染、住院和死亡率的危险因素。结果 患者平均年龄为 64 岁,其中 64% 为男性。在 CAR-T 治疗之前,60% 的患者患有低丙种球蛋白血症,CAR-T 治疗后增加到 91%。从 CAR-T 治疗前到治疗后,平均 IgG 水平下降 (587 至 362 mg/dL;p<0.0001)。37% 的患者在 CAR-T 治疗后发生严重感染。CAR-T 治疗前的低丙种球蛋白血症与 CAR-T 治疗后低丙种球蛋白血症恶化有关。CAR-T 治疗后低丙种球蛋白血症与 CAR-T 治疗后严重感染风险增加相关 (IRR=2.7;95% CI=1.5-5.2;p=0.002)。死亡的危险因素包括轻度低丙种球蛋白血症 (400mg/dL