Immunotherapy advances · 2026
CAR-T cell-induced cytokine release syndrome is rapidly alleviated by Tripterygium glycosides: a case series and laboratory examination study.
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Xu Zuqiong, Tian Fang, Chen Biqing, Kong Xiangtu, Dai Xingbin, Cao Jiang, Jiang Pengjun, Zhu Xuejun
Аннотация
BACKGROUND: Cytokine release syndrome (CRS) is a life-threatening complication of chimeric antigen receptor T cell (CAR-T) therapy. Macrophages/monocytes are mediators of CRS. Tripterygium glycosides is an immunomodulator, which could inhibit macrophages/monocytes in animal models.
METHODS: Two patients with relapsed and refractory hematological malignancies developed CRS after receiving CAR-T therapy. They received short-term Tripterygium glycosides orally.
RESULTS: Both patients showed rapid mitigation of fever with evidently decrease in elevated inflammatory cytokines within 72 hours. The patients' monocytes diminished remarkably, while CAR-T cells were negligibly affected. Treatment of 30 ng/ml triptolide in ex vivo cultured patients' blood for 24 hours selectively deplete over half of monocytes. Single-cell RNA sequencing suggested selective depletion of CD14 + CD16+ monocytes with decreased pro-inflammatory cytokines.
CONCLUSION: The low-cost and orally available Tripterygium glycosides could be a promising alternative for CAR-T induced CRS, as well as other diseases complicated with CRS, e.g. coronavirus disease 2019.
METHODS: Two patients with relapsed and refractory hematological malignancies developed CRS after receiving CAR-T therapy. They received short-term Tripterygium glycosides orally.
RESULTS: Both patients showed rapid mitigation of fever with evidently decrease in elevated inflammatory cytokines within 72 hours. The patients' monocytes diminished remarkably, while CAR-T cells were negligibly affected. Treatment of 30 ng/ml triptolide in ex vivo cultured patients' blood for 24 hours selectively deplete over half of monocytes. Single-cell RNA sequencing suggested selective depletion of CD14 + CD16+ monocytes with decreased pro-inflammatory cytokines.
CONCLUSION: The low-cost and orally available Tripterygium glycosides could be a promising alternative for CAR-T induced CRS, as well as other diseases complicated with CRS, e.g. coronavirus disease 2019.