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Overweight and obesity predict better overall survival rates in cancer patients with distant metastases.


ABSTRACT: Recent studies conducted in patients with chronic diseases have reported an inverse association between body mass index (BMI) and mortality. However, the question as to whether BMI may predict prognosis in patients with metastatic cancer remains open. We therefore designed the current retrospective study to investigate the potential association between BMI and overall survival (OS) in patients with distant metastases (DM) and a favorable performance status. Between 2000 and 2012, a total of 4010 cancer patients with DM who required radiotherapy (RT) and had their BMI measured at the initiation of RT were identified. The relation between BMI and OS was examined by univariate and multivariable analysis. The median OS time was 3.23 months (range: 0.1-122.17) for underweight patients, 6.08 months (range: 0.03-149.46) for normal-weight patients, 7.99 months (range: 0.07-158.01) for overweight patients, and 12.49 months (range, 0.2-164.1) for obese patients (log-rank: P < 0.001). Compared with normal-weight patients, both obese (HR = 0.676; 95% P < 0.001) and overweight individuals (HR = 0.84; P < 0.001) had a reduced risk of all-cause mortality in multivariable analysis. Conversely, underweight patients had a significantly higher risk of death from all causes (HR = 1.41; P < 0.001). Overweight and obesity are independent predictors of better OS in metastatic patients with a good performance status. Increased BMI may play a role to identify metastatic patients with superior survival outcome and exhibit a potential to encourage aggressive management in those patients even with metastases.

SUBMITTER: Tsang NM 

PROVIDER: S-EPMC4831285 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature

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Overweight and obesity predict better overall survival rates in cancer patients with distant metastases.

Tsang Ngan Ming NM   Pai Ping Ching PC   Chuang Chi Cheng CC   Chuang Wen Ching WC   Tseng Chen Kan CK   Chang Kai Ping KP   Yen Tzu Chen TC   Lin Jen Der JD   Chang Joseph Tung Chieh JT  

Cancer medicine 20160126 4


Recent studies conducted in patients with chronic diseases have reported an inverse association between body mass index (BMI) and mortality. However, the question as to whether BMI may predict prognosis in patients with metastatic cancer remains open. We therefore designed the current retrospective study to investigate the potential association between BMI and overall survival (OS) in patients with distant metastases (DM) and a favorable performance status. Between 2000 and 2012, a total of 4010  ...[more]

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