Clin Lymphoma Myeloma Leuk:接受免疫检查点抑制剂治疗的 AML 患者的感染并发症

2021-11-28 MedSci原创 MedSci原创

与未接受基于ipi治疗的患者相比,复发/难治性AML的患者在irAE环境下使用皮质类固醇治疗时更有可能发生严重感染。

随着对各种实体肿瘤和淋巴瘤的治疗取得了巨大的成功,免疫检查点抑制剂(CPIs)目前正被研究作为急性髓系白血病(AML)患者的一种免疫治疗选择。使用免疫检查点抑制剂 (CPI) 与低甲基化剂 (HMA) 联合治疗的急性髓性白血病 (AML) 患者的感染发生率和范围尚不清楚。



纳武单抗是一种 PD-1 检查点抑制剂,已在许多实体瘤和淋巴瘤中获得批准。一研究团队对 2016 年 3 月至 2020 年 3 月在 MD Anderson 癌症中心接受阿扎胞苷和纳武单抗或纳武单抗和易普利姆玛治疗的 75 名复发/难治性 AML 成年患者进行了回顾性队列研究,并描述了在他们治疗期间发生的感染并发症。

表1:对患者的特征和所接受的治疗方法的单因素分析

表2:在研究期间诊断出的感染


在研究期间,64 名 (85%) 患者发生感染,细菌感染是迄今为止最常见的感染类型。75 名使用 CPI 的患者发生感染与未发现使用皮质类固醇的患者之间的风险因素和特征的比较(比值比 [OR],28;95% 置信区间 [CI],1.6-490;P =.02 ) 和淋巴细胞减少症 (OR, 4; 95% CI, 1-15.5; P =.04) 与感染显着相关。

研究有几个局限性,包括其回顾性性质,这限制了数据收集。此外,研究数量较小可能扭曲了内部效度和外部效度。在MDACC,出现肺炎或结肠炎临床综合征的患者接受了糖皮质激素和抗菌素治疗,这限制了其在某些病例中区分感染和irAE的能力。最后,缺乏病例匹配的对照来控制混杂变量,如复发/难治性疾病、长期细胞减少和HMAs(阿扎胞苷)单药治疗作为唯一的化疗,从而导致感染风险。未来应开展前瞻性病例对照研究,以进一步得出接受cpi治疗的复发/难治性AML患者感染风险的结论。

总之,与未接受基于ipi治疗的患者相比,复发/难治性AML的患者在irAE环境下使用皮质类固醇治疗时更有可能发生严重感染。尽管有限,但这些数据突出了接受临床药物治疗的复发/难治性AML患者的显著感染负担。需要进一步的研究来解决irAE的最佳管理,而不增加这一严重免疫功能低下的患者群体中感染并发症的风险。

 

原始出处:

Spallone A,Alotaibi AS,Jiang Y,et al.Infectious Complications Among Patients With AML Treated With Immune Checkpoint Inhibitors.[J].Clin Lymphoma Myeloma Leuk,1970,:.

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    2022-09-27 jklm09
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    2022-09-09 丁鹏鹏
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