Allogeneic hematopoietic stem cell transplantation for the treatment of BCR::ABL-negative neutrophilic myeloid neoplasms: a clinical analysis of 12 cases
婷婷 韩, 云 何, 竞 刘, 瑶 陈, 峰蓉 王, 景枝 王, 育红 陈, 海霞 付, 兰平 许, 晓辉 张, 晓军 黄, 昱 王

TL;DR
This study evaluates the safety and effectiveness of allogeneic stem cell transplants in treating a specific type of blood cancer.
Contribution
The paper provides clinical evidence on allo-HSCT outcomes for BCR::ABL-negative neutrophilic myeloid neoplasms.
Findings
12 patients achieved successful stem cell engraftment with median granulocyte and platelet recovery times of 17 and 15 days.
Two-year overall survival was 65.6%, with a 41.7% disease-free survival rate.
GVHD occurred in some patients, but allo-HSCT was deemed safe and effective.
Abstract
评价异基因造血干细胞移植(allo-HSCT)治疗BCR::ABL阴性中性粒细胞增殖性肿瘤的疗效及安全性。 纳入2017年3月至2024年6月在北京大学人民医院接受allo‑HSCT治疗的12例中性粒细胞增殖性肿瘤患者,其中慢性中性粒细胞白血病(CNL)8例,骨髓增生异常/骨髓增生性肿瘤伴有中性粒细胞增多(MDS/MPN-N)4例,男7例,女5例,中位年龄48(IQR:28,59)岁,对其临床资料进行回顾性分析。 12例患者中6例接受HLA 10/10同胞全相合造血干细胞移植,6例接受单倍体造血干细胞移植。12例患者均获得粒细胞和血小板植入,粒细胞植活中位时间为17(IQR:11,24)d,血小板植活中位时间为15(IQR:9,28)d。2例患者发生Ⅱ~Ⅳ度急性移植物抗宿主病(GVHD),4例患者发生慢性GVHD。中位随访时间为637(IQR:330,943)d,移植后2年总生存率为(65.6±16.4)%,无病生存率为(41.7±16.6)%,累积复发率为(47.2±18.2)%,移植相关死亡率为(11.1±11.4)%。1例患者移植后死于新型冠状病毒肺炎,2例死于复发。 allo-HSCT是BCR::ABL阴性中性粒细胞增殖性肿瘤安全、有效的治疗方法。
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