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Haematologica:经伊马替尼治疗的慢性粒细胞白血病患者第二个原发恶性肿瘤发病率及相关死亡率如何?

2017-06-05 xing.T MedSci原创

总之,研究人员发现采用伊马替尼治疗的慢性髓细胞白血病患者没有显示出有较高的第二个原发恶性肿瘤的发病率,但是,第二个原发恶性肿瘤的结局比预期更糟糕。

大多数慢性粒细胞性白血病患者可以采用酪氨酸激酶抑制剂成功地进行终生治疗。在慢性期患者中,其他恶性肿瘤是最常见的死亡原因,因此这些死亡与酪氨酸激酶抑制剂的脱靶效应之间的关系引起人们的关注。

近日,血液病领域权威杂志Haematologica上发表了一篇研究文章,研究人员分析了招募入采用伊马替尼作为一线治疗的临床试验中的514例慢性粒细胞白血病患者第二个原发恶性肿瘤的发生率以及相关死亡率。然后,研究人员比较了年龄和性别匹配的意大利普通人群中所观察到的发病率和预期死亡率,通过计算标准化的发病率和标准化的死亡率比。

中位随访了74个月后,5.8%的患者发生了第二个原发恶性肿瘤。从慢性粒细胞白血病至第二个原发恶性肿瘤诊断的中位时间为34个月。研究人员在年龄和性别匹配的意大利一般人群中没有发现更高的第二个原发恶性肿瘤的发病率,一般人群中男性和女性标准化的发病率分别为1.06(95%可信区间为0.57-1.54)和1.61(95%可信区间为0.92-2.31)。总体而言,3.1%的患者死于第二个原发恶性肿瘤。患有第二个原发恶性肿瘤患者的死亡率为53%(中位总体生存期为18个月)。在女性中,观察到的癌症相关的死亡率高于年龄和性别匹配的意大利人群预期的标准化死亡率2.41(95%可信区间为1.26-3.56)。

总之,研究人员发现采用伊马替尼治疗的慢性髓细胞白血病患者没有显示出有较高的第二个原发恶性肿瘤的发病率,但是,第二个原发恶性肿瘤的结局比预期更糟糕。

原始出处:

Gabriele Gugliotta, et al. Incidence Of Second Primary Malignancies And Related Mortality In Imatinib-Treated Chronic Myeloid Leukemia Patients. Haematologica. 2017. http://www.haematologica.org/content/early/2017/06/01/haematol.2017.169532

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    2018-03-10 一叶知秋
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    2017-06-07 fengyi812
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    2017-06-06 tanxingdoctor

    学习啦谢谢分享

    0

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    2017-06-05 虈亣靌

    讲解的非常好,值得学习

    0

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