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Risk for Prostate Cancer Recurrence Influenced by Body Weight

by Kathy Jones on April 8, 2012 at 8:36 PM
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 Risk for Prostate Cancer Recurrence Influenced by Body Weight

Excess body weight may increase the risk for cancer recurrence in men with clinically localized prostate cancer, researchers have revealed.

"Men diagnosed with early-stage prostate cancer and who have excess body weight as indicated by a higher-than-normal body mass index (BMI) have an increased risk for cancer recurrence after treatment," said Vincent L. Freeman, M.D., M.P.H., associate professor in the division of epidemiology and biostatistics in the School of Public Health at the University of Illinois in Chicago, Ill.

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Freeman presented results of this cross-sectional study at the AACR Annual Meeting 2012, held here March 31 - April 4.

Freeman and colleagues examined BMI, which measures body weight relative to height, and risk for cancer recurrence based on blood prostate-specific antigen level, physical exam and prostate cancer biopsy results in 119 men who were awaiting surgery for clinically localized prostate cancer.
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The results showed that the risk for cancer recurrence increased with increasing BMI. Men in the upper quartile for BMI were nearly eight times more likely to have prostate cancers that had a moderate-to-high risk for recurrence after treatment compared with men in the lower quartile. Men in the upper-middle and lower-middle quartiles for BMI were 6.5 times and 3.5 times more likely to have a moderate-to-high recurrence risk, respectively.

"The association was not limited to obese men; even being just overweight based on BMI was associated with an increased risk for prostate cancer recurrence," Freeman said.

He and his colleagues concluded that body weight status and related lifestyle factors connected to prostate cancer could be used as viable indicators for high-risk cases."The results provide additional support for a mechanistic link between body weight status and the clinical presentation and course of prostate cancer," Freeman said. "Our findings also highlight the importance of maintaining a healthy body weight throughout adulthood."



Source: Eurekalert
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