Sequential intrathoracic injection and intravenous infusion of BCMA CAR-T cells in a patient with relapsed/refractory primary plasma cell leukemia.

IF 1.8 4区 医学 Q3 HEMATOLOGY
Wei Han, Shuyang Wang, Mingming Zhang, Shan Fu, Wenjun Wu, Houli Zhao, Ka Wai Wong, Sze Fai Yip, Jiazhen Cui, Alex H Chang, Guoqing Wei, He Huang, Yongxian Hu
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引用次数: 0

Abstract

Patients with primary plasma cell leukemia (pPCL), particularly those with extramedullary disease (EMD), face a poor prognosis even with chimeric antigen receptor (CAR)-T cell therapy. This case report describes a patient with relapsed/refractory pPCL and life-threatening malignant pleural effusion (PE) treated with intrapleural CAR-T cells targeting B-cell maturation antigens. CAR-T cell expansion within the PE was observed, along with a rapid reduction in leukemia cell count and PE volume. Subsequent lymphodepletion chemotherapy and intravenous CAR-T cell therapy induced complete remission with 9 months of progression-free survival. This case highlights the potential advantages of integrating local and systemic CAR-T cell therapy in managing complex EMD cases.

BCMA CAR-T细胞序贯胸内注射和静脉输注治疗复发/难治性原发性浆细胞白血病1例
原发性浆细胞白血病(pPCL)患者,特别是髓外疾病(EMD)患者,即使采用嵌合抗原受体(CAR)-T细胞治疗,预后也很差。本病例报告描述了一位复发/难治性pPCL和危及生命的恶性胸腔积液(PE)患者,采用靶向b细胞成熟抗原的胸腔内CAR-T细胞治疗。观察到PE内CAR-T细胞扩增,同时白血病细胞计数和PE体积迅速减少。随后的淋巴细胞清除化疗和静脉CAR-T细胞治疗诱导完全缓解,无进展生存期为9个月。该病例强调了局部和全身CAR-T细胞治疗在治疗复杂EMD病例中的潜在优势。
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来源期刊
CiteScore
3.90
自引率
4.80%
发文量
223
审稿时长
6 months
期刊介绍: The International Journal of Hematology, the official journal of the Japanese Society of Hematology, has a long history of publishing leading research in hematology. The journal comprises articles that contribute to progress in research not only in basic hematology but also in clinical hematology, aiming to cover all aspects of this field, namely, erythrocytes, leukocytes and hematopoiesis, hemostasis, thrombosis and vascular biology, hematological malignancies, transplantation, and cell therapy. The expanded [Progress in Hematology] section integrates such relevant fields as the cell biology of stem cells and cancer cells, and clinical research in inflammation, cancer, and thrombosis. Reports on results of clinical trials are also included, thus contributing to the aim of fostering communication among researchers in the growing field of modern hematology. The journal provides the best of up-to-date information on modern hematology, presenting readers with high-impact, original work focusing on pivotal issues.
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