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Hyperglycemia and prostate cancer recurrence in men treated for localized prostate cancer.

Wright, J L and Plymate, S R and Porter, M P and Gore, J L and Lin, D W and Hu, E and Zeliadt, S B (2013) Hyperglycemia and prostate cancer recurrence in men treated for localized prostate cancer. Prostate cancer and prostatic diseases, 16 (2). pp. 204-8. ISSN 1476-5608

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Background:Obesity is consistently linked with prostate cancer (PCa) recurrence and mortality, though the mechanism is unknown. Impaired glucose regulation, which is common among obese individuals, has been hypothesized as a potential mechanism for PCa tumor growth. In this study, we explore the relationship between serum glucose at time of treatment and risk of PCa recurrence following initial therapy.Methods:The study group comprised 1734 men treated with radical prostatectomy (RP) or radiation therapy (RT) for localized PCa between 2001-2010. Serum glucose levels closest to date of diagnosis were determined. PCa recurrence was determined based on PSA progression (nadir PSA+2 for RT; PSA0.2 for RP) or secondary therapy. Multivariate Cox regression was performed to determine whether glucose level was associated with biochemical recurrence after adjusting for age, race, body mass index, comorbidity, diagnosis of diabetes, Gleason Sum, PSA, treatment and treatment year.Results:Recurrence was identified in 16% of men over a mean follow-up period of 41 months (range 1-121 months). Those with elevated glucose (100 mg/dl) had a 50% increased risk of recurrence (HR 1.5, 95% CI: 1.1-2.0) compared with those with a normal glucose level (<100 mg/dl). This effect was seen in both those undergoing RP (HR 1.9, 95% CI: 1.0-3.6) and those treated with RT (HR 1.4, 95% CI: 1.0-2.0).Conclusions:Glucose levels at the time of PCa diagnosis are an independent predictor of PCa recurrence for men undergoing treatment for localized disease.

Item Type: Article or Abstract
DOI: 10.1038/pcan.2013.5
PubMed ID: 23459096
NIHMSID: 494004
Grant Numbers: P50CA097186
Fred Hutch Divisions: Public Health Sciences
Depositing User: Library Staff
Date Deposited: 14 Jun 2013 21:22
Last Modified: 16 Sep 2015 07:17

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