Tissue Biomarkers for Prognosis in Pancreatic Ductal Adenocarcinoma: A Systematic Review and Meta-analysis

Jamieson, N.B., Carter, C.R., McKay, C.J. and Oien, K.O. (2011) Tissue Biomarkers for Prognosis in Pancreatic Ductal Adenocarcinoma: A Systematic Review and Meta-analysis. Clinical Cancer Research, 17(10), pp. 3316-3331. (doi: 10.1158/1078-0432.CCR-10-3284)

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Publisher's URL: http://dx.doi.org/10.1158/1078-0432.CCR-10-3284

Abstract

Purpose: The management of pancreatic ductal adenocarcinoma (PDAC) continues to present a great challenge particularly with regard to prediction of outcome following pancreaticoduodenectomy. Molecular markers have been extensively investigated by numerous groups with the aim of enhancing prognostication; however, despite hundreds of studies that have sought to assess the potential prognostic value of molecular markers in predicting the clinical course following resection of PDAC, at this time, no molecular marker assay forms part of recommended clinical practice. Experimental Design: We conducted a systematic review and meta-analysis of the published literature for immunohistochemistry-based biomarkers of PDAC outcome. A dual search strategy was applied to the PubMed database on January 6, 2010, to identify cohort studies that reported associations between immunohistochemical biomarker expression and survival outcomes in PDAC, and conformed to the REMARK (REporting recommendations for tumor MARKer prognostic studies) criteria. Results: A total of 103 distinct proteins met all inclusion criteria. Promising markers that emerged for the prediction of overall survival included BAX (HR = 0.31, 95% CI: 0.71-0.56), Bcl-2 (HR = 0.41, 95% CI: 0.27-0.63), survivin (HR = 0.46, 95% CI: 0.29-0.73), Ki-67: (HR = 2.42, 95% CI: 1.87-3.14), COX-2 (HR = 1.39, 95% CI: 1.13-1.71), E-cadherin (HR = 1.80, 95% CI: 1.33-2.42), and S100 calcium-binding proteins, in particular S100A2 (HR = 3.23, 95% CI: 1.58-6.62). Conclusions: We noted that that there was incomplete adherence to the REMARK guidelines with inadequate methodology reporting as well as failure to perform multivariate analysis. Addressing the persistent incomplete adoption of these criteria may eventually result in the incorporation of molecular marker assessment within PDAC management algorithms. Clin Cancer Res; 17(10); 3316-31. (C) 2011 AACR

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Jamieson, Dr Nigel and Carter, Mr Christopher and Oien, Professor Karin
Authors: Jamieson, N.B., Carter, C.R., McKay, C.J., and Oien, K.O.
College/School:College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing
Journal Name:Clinical Cancer Research
ISSN:1078-0432

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