Ph+急性淋巴细胞白血病ABL激酶区突变患者的临床、分子遗传学特征和治疗选择(新)
合集下载
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
during maintenance treatment stage for ABL.KDMs monitoring,mutation was detected in 42 patients with median time of 8 months from diagnosis to mutation occurrence.The median age of mutation group was 40一 year—old.older than that of non.mutation group(32.5一year-old)(P=0.023).The incidence of complex
or
allo—HSCT patients were given nilotinib significant difference in the overall
dasatinib at the time of mutation occurrence,and there was in
are
ቤተ መጻሕፍቲ ባይዱno
survival mutations
Program(863
Program)(20 1 2AA02A505):Jiangsu Province’S Key
Medical Center
(ZX20 1 1 02):National Clinical Key Subject Construction Project
t(9;22)(q34;q1 1)为急性淋巴细胞白血病
oyHematology,Key
Laboratory
ofThrombosis and Hemostasis ofMinistry ofHealth,Suzhou
215006,China
Corresponding author."Wu Depei.Email:wudepei@medmail.com.cn
分子遗传学特征和生存情况,分析异基因造血干细胞移植(allo.HSCT)联合酪氨酸激酶抑制剂(TKI) 在突变患者中的应用价值:方法回顾性分析2010年2月至2014年8月检…ABL激酶区突变Ph‘ ALL患者初诊阶段的临床、分子遗传学特征及突变分布、预后,并比较allo—HSCT联合不同类型TKI的 疗效。结果88例Ph‘ALL患者于维持治疗阶段行ABL激酶区突变监测,42例患者检fl{突变,中位突 变时间为8个月。突变组患者中位发病年龄为40岁,较非突变组(32.5岁)大(P=0.023);染色体复杂核 型发生率高于非突变组(P=0.043),其中以累及7号、5号染色体以及+Ph更常见。42例突变患者共检 …18个突变位点、21种突变类型,T315I突变比例最高,其余依次为E255K/V、Y253H/F、E459K?突变 患者诱导治疗完全缓解率与非突变组相比差异无统计学意义,但主要分子生物学反应率显著低于非突 变组(P=0.015)。突变患者2年及5年总体生存(OS)率分别为45.4%、35.0%,明显低于非突变组患者 (67.8%、63.3%)(P=-0.047):存在T315I、E255K/V突变的患者中位OS时间分别为19和10个月,较其 他类型突变者短(P=0.024)。42例突变患者中14例行allo.HSCT并于移植前即检…突变,其中位OS时 间为29个月,长于非移植(巩同化疗联合TKI治疗)患者的17个月(P=0.034)。移植患者中14例突变 检Ⅲ时更换使用尼洛替尼或达沙替尼治疗,但中位OS时间与未更换者差异无统计学意义(P=-0.862)。 结论ABL激酶区突变与初诊发病年龄较高以及高基因组不稳定性紧密相关。突变类型呈现多样性 和复杂性,其中以T315I和E255K/V突变更常见,且较其他类型突变者预后更差。allo.HSCT能够改善 突变患者预后,但复发耐药阶段更换使用二代TKI不能明显改善突变患者生存。
士堡血煎堂苤查2Q!§生2旦筮32鲞笠!期£!i!』丛!幽!出£!!!!!!g 2Q!§,y尘:32,盟!.!
・105・
・论著・
Ph+急性淋巴细胞白血病ABL激酶区突变 患者的临床、分子遗传学特征和治疗选择
蔡文治 刘彬 徐杨 陈苏宁 孙爱宁 何军 沈宏杰 吴德沛 【摘要】
目的探讨Ph染色体阳性急性淋巴细胞白IfIL病(Ph’ALL)ABL激酶区突变患者的临床、
other mutations.Among the 42 patients with mutations.1 4 underwent allo—HSC T’and the median survival
was
29 months.10nger than that of patients received chemotherapy alone(1 7 months)(P=-0.024).Fourteen
Chen Suning,Sun Aining,He Jun.Shen Hongfie.Wu Depei.Jiangsu Institute
oJ’Hematology,劢P
First
Affiliated Hospital ofSoochow
University,Collaborative Innovation Center
a
less favorable prognosis.Currently.allo—HSCT iS the only method
that has the potential of elongating life expectancy,but the utility of second—generation TKI during relapse does not necessarily have
an
edge
on
survival
over
imatinib. chromosome; ABL kinase domain mutation;
【Key words】Leukemia,lymphoid;Philadelphia
Hematopoietic stem eell transplantation;Tyrosine kinase inhibitor Fund program:National Public Health Grand Research Foundation(20 1 2020 l 7):National High— tech R&D
Mutation
group
featured
no
significant difference in complete remission(CR)rate
in contrast to
non—
mutation group.but was remarkably lower in
major
molecular remission(MMR)rate than non-mutation
DOI:10.3760/cma.j.issn.0253—2727.2016.02.004 作者单位:215006苏州大学附属第一医院、汀苏省血液研究所,卫生部血栓与止血重点实验室,血液学协同创新巾心 通信作者:吴德沛,Email:wudepei@medmail.com.cn
万方数据
虫堡鱼遮生盘盍2Q!§生2旦筮31鲞筮2期£bi!』H!幽!趔,E些世ag 2Q!§:y!!.32:丛Q:2
group.The 2 year and 5 year overall survival rate of mutation group was 45.4%and 35.0%respectively, much shorter than that of non—mutation group(67.8%and 63.3%).(P=-O.047).The median survival of patients with T3 1 5I and E255K/V was 1 9 and l 0 months.significantly shorter than that of patients with
Ph+ALL patients.Mutation types showed diversity and complexity,
which remarkably affected patients’prognosis and survival.T3 1 51 and E255K mutations account for more than half of all cases.characterized by
【Abstract】
therapeutic
Objective
To
clarify
the
clinical,cytogenetical and
molecular characteristics
and
prognosis of Ph+ALL patients with ABL kinase domain mutations(ABL—KDMs).and to evaluate the value of allogeneic hematopoietic stem cell transplantation(allo.HSCT)combined with
contrast
to
patients
to
who continue the
to
take imatinib. high genomic
Conclusions
ABL kinase domain newly diagnosed
closely related
older age and
instability in the
and
Iaboratory
characteristics
and
treatment
option
for
Philadelphia
positive
acute
lymphoblastic leukemia patients with ABL kinase domain mutations
Cai Wenzhi.Liu Bin.Xu Yang,
【关键词】
酶抑制剂
白血病,淋巴样;
费城染色体;ABL激酶区突变;造血干细胞移植;酪氨酸激
基金项目:卫生公益性行业科研专项(201202017);国家高技术研究发展计划(863计划)课题 (2012AA02A505);江苏省科教兴卫T程一临床医学中心(ZX201102);国家临床重点专科建设项目
Clinical
tyrosine kinase inhibitor(TKI)in these patients.Methods
Retrospective analysis of clinical features.
molecular genetic characteristics,mutation distribution and prognosis of newly diagnosed Ph+ALL patients with
chromosome abnormality of mutation group was higher than that of non.mutation group【P=-0.043),with alternations in chromosome 7.5 and+Ph more frequently observed.There were 2 1 types of mutation at 1 8 locations detected.with T3 l 5I mutation ranking the top followed by E255K/V,Y253H/F and E459K.
ABL—KDMs from February 20 l 0
to
August 20 1 4 were performed.and the emcacy of treatment Of 88 Ph+ALL patients
regimen of allo.HSCT combined with different TKIs was compared.Results
例,其中42例突变检测阳性的患者纳入研究组,余 46例突变阴性患者作为对照组。所有患者ECOG 评分小于2分,心、肺等脏器功能良好,能够耐受常