期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 22, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/ijms22041944
关键词
acute myeloid leukemia (AML); immune check-point inhibitor (ICI); bispecific T-cell engager (BiTE); dual-affinity retargeting (DART); trispecific killer cell engager (TriKE); chimeric antigen receptor (CAR)
资金
- National Cancer Research and Development expenses grant
Studies have suggested the potential clinical benefits of immuno-oncology therapy against AML, including immune checkpoint inhibitors and bi-/tri-specific antibodies. CAR-T and NK cells have shown effectiveness for relapsed/refractory AML patients, and conventional chemotherapy combined with anti-PD-1/anti-CTLA4 antibodies also demonstrated certain efficacy.
Several immune checkpoint molecules and immune targets in leukemic cells have been investigated. Recent studies have suggested the potential clinical benefits of immuno-oncology (IO) therapy against acute myeloid leukemia (AML), especially targeting CD33, CD123, and CLL-1, as well as immune checkpoint inhibitors (e.g., anti-PD (programmed cell death)-1 and anti-CTLA4 (cytotoxic T-lymphocyte-associated protein 4) antibodies) with or without conventional chemotherapy. Early-phase clinical trials of chimeric antigen receptor (CAR)-T or natural killer (NK) cells for relapsed/refractory AML showed complete remission (CR) or marked reduction of marrow blasts in a few enrolled patients. Bi-/tri-specific antibodies (e.g., bispecific T-cell engager (BiTE) and dual-affinity retargeting (DART)) exhibited 11-67% CR rates with 13-78% risk of cytokine-releasing syndrome (CRS). Conventional chemotherapy in combination with anti-PD-1/anti-CTLA4 antibody for relapsed/refractory AML showed 10-36% CR rates with 7-24 month-long median survival. The current advantages of IO therapy in the field of AML are summarized herein. However, although cancer vaccination should be included in the concept of IO therapy, it is not mentioned in this review because of the paucity of relevant evidence.
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