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Br J Cancer. 2014 Jul 8;111(1):181-5. doi: 10.1038/bjc.2014.224. Epub 2014 May 1.

Diabetes and pancreatic cancer survival: a prospective cohort-based study.

Author information

1
Department of Surgery, Division of Public Health Sciences, Siteman Cancer Center, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8100, St Louis, MO 63144, USA.
2
Branch of Nutritional Epidemiology, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, 9609 Medical Center Drive, Room 6E420, Rockville, MD 20850, USA.
3
Department of Surgery, Section of Hepato-Pancreatico-Biliary and Gastrointestinal Surgery, Siteman Cancer Center, Washington University School of Medicine, 660 South Euclid Avenue, Campus Box 8100, St Louis, MO 63144, USA.

Abstract

BACKGROUND:

Diabetes is a risk factor for pancreatic cancer but its association with survival from pancreatic cancer is poorly understood. Our objective was to investigate the association of diabetes with survival among pancreatic cancer patients in a prospective cohort-based study where diabetes history was ascertained before pancreatic cancer diagnosis.

METHODS:

We evaluated survival by baseline (1993-2001) self-reported diabetes history (n=62) among 504 participants that developed exocrine pancreatic cancer within the Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial. Hazard ratios (HRs) and 95% confidence intervals (CIs) for mortality were estimated using Cox proportional hazards model, adjusted for age, sex, body mass index, race, smoking, and tumour stage (local, locally advanced, and metastatic).

RESULTS:

The multivariable-adjusted HR for mortality comparing participants with diabetes to those without was 1.52 (95% CI=1.14-2.04, P-value <0.01). After excluding those diagnosed with pancreatic cancer within 3 years of study enrolment, HR for mortality among those with diabetes was 1.45 (95% CI=1.06-2.00, P-value=0.02).

CONCLUSIONS:

Using prospectively collected data, our findings indicate that diabetes is associated with worse survival among patients with pancreatic cancer.

PMID:
24786605
PMCID:
PMC4090724
DOI:
10.1038/bjc.2014.224
[Indexed for MEDLINE]
Free PMC Article

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