JNCI:BMI是接受优化剂量化疗时乳腺癌患者的显著性预后因子

2015-10-26 徐媛 MedSci原创

乳腺癌患者在确诊时肥胖与不良预后相关,但几乎没有研究对这一因素做出治疗调整报告。 CALGB9741是一项针对淋巴结阳性乳腺癌的研究化疗剂量强度和次序的随机试验。所有的患者根据世界级体重情况接受多柔比星,环磷酰胺和紫杉醇治疗。研究人员从记录中获得患者的身高和体重,并且通过 NanoString平台进行PAM50检验。利用比例风险回归法以及调整淋巴结转移数目,雌激素受体状态,肿瘤大小,绝经状态,药

乳腺癌患者在确诊时肥胖与不良预后相关,但几乎没有研究对这一因素做出治疗调整报告。

CALGB9741是一项针对淋巴结阳性乳腺癌的研究化疗剂量强度和次序的随机试验。所有的患者根据世界级体重情况接受多柔比星,环磷酰胺和紫杉醇治疗。研究人员从记录中获得患者的身高和体重,并且通过 NanoString平台进行PAM50检验。利用比例风险回归法以及调整淋巴结转移数目,雌激素受体状态,肿瘤大小,绝经状态,药物次序和剂量强度对体重指数(BMI),PAM50和无复发及总生存(PFS和OS)之间的关系进行评估。所有的统计检验都是双侧的。

研究人员登记了2005 年入组的1909名患者的基线身高和体重;通过PAM50对1272名患者进行了亚型测定。基线BMI为27.4kg/m2。在中位随访11年后,有 619名患者发生RFS事件,有543名患者死亡。RFS(BMI每增长5单位,调整后风险比 [HR]=1.08,95% CI=1.02-1.14, P=0.01)和OS(调整后 HR=1.08,95% CI=1.01-1.14, P=0.02)的统计学显著预测因子均是基线BMI。BMI和分子分型是RFS的独立预后因素,然而没有统计学显著作用。

以上研究结果显示,BMI是接受优化剂量化疗时的乳腺癌患者的显著性预后因子,还需要更多的研究来测定降低体重对乳腺癌患者结局的影响和评估这种影响在其他类型肿瘤亚型中是否保持相同的影响。

原始出处

Ligibel JA1, Cirrincione CT2, Liu M2, Citron M2, Ingle JN2, Gradishar W2, Martino S2, Sikov W2, Michaelson R2, Mardis E2, Perou CM2, Ellis M2, Winer E2, Hudis CA2, Berry D2, Barry WT2.Body Mass Index, PAM50 Subtype, and Outcomes in Node-Positive Breast Cancer: CALGB 9741 (Alliance).J Natl Cancer Inst. 2015 Jun 25

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    2016-07-24 lqvr
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    2015-10-26 lixh1719

    简单实用

    0

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