伊马替尼治疗伴有嗜酸粒细胞增多的髓系肿瘤疗效观察  被引量:2

The efficacy of imatinib mesylate for patients with myeloproliferative neoplasm (MPN) with eosinophilia

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作  者:张悦[1,2] 秦铁军[1,2] 周春林[1,2] 刘亮[1,2] 肖志坚[1,2] 

机构地区:[1]中国医学科学院、北京协和医学院血液学研究所、血液病医院 [2]实验血液学国家重点实验室

出  处:《中华血液学杂志》2009年第6期381-384,共4页Chinese Journal of Hematology

基  金:基金项目:新世纪优秀人才资助计划(NCET-05-0173)

摘  要:目的评价伊马替尼治疗伴有嗜酸粒细胞增多的髓系肿瘤的疗效。方法对8例有PDGFRα基因异常的伴嗜酸粒细胞增多的髓系肿瘤及1例慢性嗜酸粒细胞白血病,不另做分类(CEL,NOS)患者口服伊马替尼100mg/d或400mg/d进行疗效观察。结果中位随访16(6~26)个月,血液学缓解率100%,其中完全血液学缓解(CHR)率87.5%,部分血液学缓解率12.5%。完全分子生物学缓解(CMR)率85.7%,FIP1LI-PDGFRα融合基因转阴中位时间4(1.5~8)个月。3例获得CMR后停药,停药后中位随访时间12(9~22)个月,均未复发。伊马替尼不良反应轻微,轻度骨髓抑制发生率37.5%,中位发生时间6(4~9)d。结论伊马替尼治疗有PDGFRα基因异常的伴嗜酸粒细胞增多的髓系肿瘤有较高的CHR和CMR,起效迅速,不良反应轻微,患者易于耐受。Objectives To evaluate the efficacy and safety of imatinib mesylate (imatinib) for myeloproliferative neoplasm(MPN) patients with eosinophilia. Methods Eight MPN patients with eosinophilia and positive FIP1L1-PDGFRα gene and one CEL, NOS were treated with 100 mg or 400 mg/d imatinib orally. Results Hematological remission (HR) rate was 100%, including complete HR (CHR)rate 87.5%, and partial remission (PR) rate 12.5 % with a median follow-up of 16 (6.0 -26.0 ) months. Complete molecular remission (cMR) rate was 85.7%. The median time of FIP1L1-PDGFRα fusion gene becoming negative was 4 ( 1.5 - 8 ) months. Three patients withdrew imatinib after getting cMR. After a median follow-up of 12 months, all the 3 patients remained in CHR. The main adverse effect of imatinib was mild myelosuppression occurring in 37.5% of patients in a median time of 6 (4 - 9 ) days after treatment. Conclusion Imatinib in treatment of MPN with eosinophilia and positive FIP1L1-PDGFRα gene patients can induce high hematologic and molecular remission. The adverse effects of imatinib are mild and tolerable.

关 键 词:髓系肿瘤 嗜酸细胞增多 融合基因 FIP1L1-PDGFRα 伊马替尼 疗效 

分 类 号:R686[医药卫生—骨科学]

 

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