Novel CD19-KIRS2/Dap12-BB CAR-T Treatment for 3 Patients with Relapsed and Refractory B-Cell Tumors.
- Author:
Sheng-Wei JI
1
;
Tian HUA
1
;
Jiao-Jiao WANG
1
;
Ling-Yan SHAO
1
;
Zi-Han CHEN
1
;
Jia-Ying LIU
1
;
Hai CHENG
1
;
Wei CHEN
1
;
Cai SUN
1
;
Xue WANG
1
;
Kai-Lin XU
1
;
Jiang CAO
2
Author Information
- Publication Type:Journal Article
- Keywords: chimeric antigen receptor T cells; B-cell malignancy; KIRS2/Dap12
- MeSH: Humans; Receptors, Chimeric Antigen; Immunotherapy, Adoptive; Burkitt Lymphoma; Antigens, CD19; Neoplasm, Residual; Adaptor Proteins, Signal Transducing
- From: Journal of Experimental Hematology 2023;31(6):1860-1865
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVE:To investigate the safety and efficacy of novel CD19-KIRS2/Dap12-BB chimeric antigen receptor T cells (CAR-T cells) in the treatment of relapsed/refractory B-cell malignancy (R/R BCM).
METHODS:Three patients with R/R BCM treated with novel CD19-KIRS2/Dap12-BB CAR-T cells from June 2020 to November 2020 were enrolled, including 1 case of B-cell acute lymphoblastic leukaemia (B-ALL) and 2 cases of non-Hodgkin's lymphoma (NHL), and the efficacy and adverse reactions were observed.
RESULTS:After CAR-T cells infusion, patient with B-ALL achieved complete remission (CR) and minimal residual disease (MRD) turned negative, and 2 patients with NHL achieved partial remission (PR). Grade 2 cytokine release syndrome (CRS) occurred in B-ALL patient, grade 1 CRS occurred in 2 NHL patients, and grade II to IV hematologic adverse reactions occurred in 3 patients, all of which were controllable and reversible. The progression-free survival (PFS) of the 3 patients was 143, 199, and 91 days, and overall survival (OS) was 282, 430, and 338 days, respectively.
CONCLUSION:The novel CD19-KIRS2/Dap12-BB CAR-T cells in treatment of 3 patients with R/R BCM have significant short-term efficacy and controllable adverse reactions, but the long-term efficacy needs to be further improved.