Immatics US, Inc, Houston, TX, 77030, USA.
Department of Bone Marrow Transplantation and Cellular Therapy, St Jude Children's Research Hospital, 262 Danny Thomas Place, MS321, Memphis, TN, 38105, USA.
Drugs. 2019 Mar;79(4):401-415. doi: 10.1007/s40265-019-01071-7.
While impressive clinical responses have been observed using chimeric antigen receptor (CAR) T cells targeting CD19+ hematologic malignancies, limited clinical benefit has been observed using CAR T cells for a variety of solid tumors. Results of clinical studies have highlighted several obstacles which CAR T cells face in the context of solid tumors, including insufficient homing to tumor sites, lack of expansion and persistence, encountering a highly immunosuppressive tumor microenvironment, and heterogeneous antigen expression. In this review, we review clinical outcomes and discuss strategies to improve the antitumor activity of CAR T cells for solid tumors.
虽然使用嵌合抗原受体 (CAR) T 细胞靶向 CD19+血液系统恶性肿瘤已经观察到令人印象深刻的临床反应,但使用 CAR T 细胞治疗各种实体瘤的临床获益有限。临床研究结果强调了 CAR T 细胞在实体瘤环境中面临的几个障碍,包括向肿瘤部位归巢不足、缺乏扩增和持久性、遇到高度免疫抑制的肿瘤微环境以及抗原表达异质性。在这篇综述中,我们回顾了临床结果,并讨论了提高 CAR T 细胞治疗实体瘤抗肿瘤活性的策略。
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