Ann Oncol:基线BMI和体重变化影响乳腺癌辅助化疗结局?

2017-08-21 张琪 环球医学

2017年,发表在《Ann Oncol》的一项由加拿大和美国科学家进行的研究,考察了CCTG辅助乳腺癌试验中,基线BMI和体重变化的影响。

2017年,发表在《Ann Oncol》的一项由加拿大和美国科学家进行的研究,考察了CCTG辅助乳腺癌试验中,基线BMI和体重变化的影响。

背景:研究者假设:辅助乳腺癌全身治疗中,基线BMI增加和BMI变化会对临床结局产生负面影响。

方法:分析来自化疗试验MA.5和MA.21;内分泌疗法MA.12、MA.14和MA.27;以及曲妥珠单抗HERA/MA.24的数据。主要目的为考察BMI变化对5年期乳腺癌无进展生存期(BCFI)的影响;次要目的包括1年和3年BMI的变化;BMI变化对疾病特异性生存(DSS)和总生存(OS)的影响;以及基线BMI的影响。分层分析包括试验疗法和复合试验分层因素。

结果:在绝经前/绝经期/绝经后早期化疗试验中(N=2793),基线BMI不影响任何终点,且自基线增加的BMI不显着影响5年后BCFI,尽管其与1年后更差的BCFI(P=0.03)和DSS(P=0.07)相关。3年和5年BMI增加与更好的DSS(P=0.01;0.01)和OS(P=0.003;0.05)相关。在绝经前内分泌治疗试验MA.12中(N=672),更高基线BMI患者的1年后BCFI更差(P=0.02),1年和5年后DSS更差(P=0.05;0.004),且5年后OS更差(P=0.01)。BMI增加不影响5年后BCFI(P=0.90),尽管其与1年后BCFI更差(P=0.01)相关。在绝经后内分泌治疗试验MA.14和MA.27中(N=8236),基线BMI不显着影响任何终点的结局。BMI变化不影响1年或3年后BCFI或DSS,尽管BMI平均增加0.3与1年后更好的OS相关(P=0.02)。使用曲妥珠单抗(N=1395),基线BMI和BMI变化不显着影响结局。

结论:仅在绝经前/绝经期/绝经后早期试验患者中,更高的基线BMI和BMI增加对结局产生负面影响。与健康女性中预期结果相似,BMI增加既不影响结局,也与更好的结局不相关。

原始出处:
Yerushalmi R, Dong B, Chapman JW, et al.Impact of baseline BMI and weight change in CCTG adjuvant breast cancer trials.Ann Oncol. 2017. doi: 10.1093/annonc/mdx152. [Epub ahead of print]

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    2018-03-01 minlingfeng
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    2017-08-22 往日如昨

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