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用于治疗急性髓系白血病的双特异性抗体

Bispecific Antibodies for the Treatment of Acute Myeloid Leukemia.

作者信息

Guy Daniel G, Uy Geoffrey L

机构信息

Division of Oncology, Washington University School of Medicine, 660 S. Euclid Ave, CB 8007, St. Louis, MO, 63110, USA.

出版信息

Curr Hematol Malig Rep. 2018 Dec;13(6):417-425. doi: 10.1007/s11899-018-0472-8.

Abstract

PURPOSE OF REVIEW

Bispecific antibodies combine antigen recognition sites from two or more antibodies into a single construct allowing simultaneous binding to multiple targets. Bispecific antibodies exist which can redirect immune effector cells against acute myeloid leukemia (AML) targets. This review will highlight the progress to date and the challenges in developing bispecific antibodies for the treatment of AML.

RECENT FINDINGS

Currently, a number of bispecific antibody formats including bispecific T cell engagers, dual affinity retargeting proteins, and tandem diabodies are in clinical development for AML. These antibodies target antigens present on AML blasts, including CD33, and the low affinity IL3 receptor, CD123. T cell redirecting bispecific antibodies in early phase clinical trials for AML include AG330, flotetuzumab, JNJ-63709178, and AMV564. Bispecific antibodies represent a promising immunotherapeutic approach for the treatment of cancer. The results of ongoing studies in AML will elucidate the potential for these agents in AML.

摘要

综述目的

双特异性抗体将来自两种或更多种抗体的抗原识别位点组合在一个构建体中,使其能够同时结合多个靶点。存在能够使免疫效应细胞重新靶向急性髓系白血病(AML)靶点的双特异性抗体。本综述将重点介绍目前在开发用于治疗AML的双特异性抗体方面取得的进展和面临的挑战。

最新发现

目前,包括双特异性T细胞衔接器、双亲和力重定向蛋白和串联双抗体在内的多种双特异性抗体形式正在针对AML进行临床开发。这些抗体靶向AML原始细胞上存在的抗原,包括CD33和低亲和力白细胞介素3受体CD123。用于AML早期临床试验的T细胞重定向双特异性抗体包括AG330、flotetuzumab、JNJ-63709178和AMV564。双特异性抗体是一种有前景的癌症免疫治疗方法。正在进行的AML研究结果将阐明这些药物在AML中的潜力。

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