The Impact of Diabetes and Other Metabolic Disorders on Prostate Cancer Prognosis.

To investigate the impact of diabetes mellitus (DM) and other metabolic disorders on the survival of men with prostate cancer (PCa).

We conducted a retrospective cohort-study based on 715 men with PCa, originally enrolled in an Italian case-control study between 1995 and 2002.

Anthropometric measures, self-reported medical conditions, and Gleason score were assessed at enrollment. Adjusted hazard ratios (HRs) of death, with 95% confidence intervals (95% CIs), were estimated using Fine and Gray's regression model.

After a median follow-up of 11.6years, 244 (34.1%) deaths occurred, 77 (31.6%) due to PCa. Excess mortality from all causes was reported in PCa patients with DM (HR=1.56, 95% CI: 1.03-2.36), which increased to 1.76 (95% CI: 0.99-3.13) when at least two out of three metabolic disorders (i.e., waist circumference ≥102cm, drug-treated hypertension, and hypercholesterolemia) were additionally present. The impact of metabolic disorders was stronger on non-PCa-specific mortality with HRs equal to 2.21 (95% CI: 1.38-3.54) for DM, 1.45 (95% CI: 0.97-2.19) for waist circumference ≥102cm, and 1.63 (95% CI: 1.19-2.22) for drug-treated hypertension.

DM and other metabolic disorders unfavorably affected the survival of PCa patients, mainly impacting on the risk of death from causes other than PCa.

Journal of diabetes and its complications. 2016 Feb 09 [Epub ahead of print]

Jerry Polesel, Andrea Gini, Luigino Dal Maso, Carmen Stocco, Silvia Birri, Martina Taborelli, Diego Serraino, Antonella Zucchetto

Epidemiology and Biostatistics Unit, CRO Aviano National Cancer Institute, via Franco Gallini 2, 33081 Aviano (PN), Italy. Epidemiology and Biostatistics Unit, CRO Aviano National Cancer Institute, via Franco Gallini 2, 33081 Aviano (PN), Italy.  Epidemiology and Biostatistics Unit, CRO Aviano National Cancer Institute, via Franco Gallini 2, 33081 Aviano (PN), Italy. Venetian Cancer Registry, Istituto Oncologico Veneto, Passaggio Gaudenzio 1, 35131 Padua (PD), Italy. Epidemiology and Biostatistics Unit, CRO Aviano National Cancer Institute, via Franco Gallini 2, 33081 Aviano (PN), Italy. Epidemiology and Biostatistics Unit, CRO Aviano National Cancer Institute, via Franco Gallini 2, 33081 Aviano (PN), Italy. Epidemiology and Biostatistics Unit, CRO Aviano National Cancer Institute, via Franco Gallini 2, 33081 Aviano (PN), Italy. Epidemiology and Biostatistics Unit, CRO Aviano National Cancer Institute, via Franco Gallini 2, 33081 Aviano (PN), Italy. 

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