Diabetes and pancreatic cancer survival: A prospective cohort-based study

A. T. Toriola, R. Stolzenberg-Solomon, L. Dalidowitz, D. Linehan, G. Colditz

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

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.

Original languageEnglish
Pages (from-to)181-185
Number of pages5
JournalBritish Journal of Cancer
Volume111
Issue number1
DOIs
StatePublished - Jul 2014

Keywords

  • cohort
  • diabetes
  • mortality
  • pancreatic cancer
  • prospective study
  • survival

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