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Published in: Advances in Therapy 2/2021

01-02-2021 | Care | Review

Identifying Novel Biomarkers Ready for Evaluation in Low-Prevalence Populations for the Early Detection of Upper Gastrointestinal Cancers: A Systematic Review

Authors: Natalia Calanzani, Paige E. Druce, Claudia Snudden, Kristi M. Milley, Rachel Boscott, Dawnya Behiyat, Smiji Saji, Javiera Martinez-Gutierrez, Jasmeen Oberoi, Garth Funston, Mike Messenger, Jon Emery, Fiona M. Walter

Published in: Advances in Therapy | Issue 2/2021

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Abstract

Introduction

Detecting upper gastrointestinal (GI) cancers in primary care is challenging, as cancer symptoms are common, often non-specific, and most patients presenting with these symptoms will not have cancer. Substantial investment has been made to develop biomarkers for cancer detection, but few have reached routine clinical practice. We aimed to identify novel biomarkers for upper GI cancers which have been sufficiently validated to be ready for evaluation in low-prevalence populations.

Methods

We systematically searched MEDLINE, Embase, Emcare, and Web of Science for studies published in English from January 2000 to October 2019 (PROSPERO registration CRD42020165005). Reference lists of included studies were assessed. Studies had to report on second measures of diagnostic performance (beyond discovery phase) for biomarkers (single or in panels) used to detect pancreatic, oesophageal, gastric, and biliary tract cancers. We included all designs and excluded studies with less than 50 cases/controls. Data were extracted on types of biomarkers, populations and outcomes. Heterogeneity prevented pooling of outcomes.

Results

We identified 149 eligible studies, involving 22,264 cancer cases and 49,474 controls. A total of 431 biomarkers were identified (183 microRNAs and other RNAs, 79 autoantibodies and other immunological markers, 119 other proteins, 36 metabolic markers, 6 circulating tumour DNA and 8 other). Over half (n = 231) were reported in pancreatic cancer studies. Only 35 biomarkers had been investigated in at least two studies, with reported outcomes for that individual marker for the same tumour type. Apolipoproteins (apoAII-AT and apoAII-ATQ), and pepsinogens (PGI and PGII) were the most promising biomarkers for pancreatic and gastric cancer, respectively.

Conclusion

Most novel biomarkers for the early detection of upper GI cancers are still at an early stage of matureness. Further evidence is needed on biomarker performance in low-prevalence populations, in addition to implementation and health economic studies, before extensive adoption into clinical practice can be recommended.
Appendix
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Metadata
Title
Identifying Novel Biomarkers Ready for Evaluation in Low-Prevalence Populations for the Early Detection of Upper Gastrointestinal Cancers: A Systematic Review
Authors
Natalia Calanzani
Paige E. Druce
Claudia Snudden
Kristi M. Milley
Rachel Boscott
Dawnya Behiyat
Smiji Saji
Javiera Martinez-Gutierrez
Jasmeen Oberoi
Garth Funston
Mike Messenger
Jon Emery
Fiona M. Walter
Publication date
01-02-2021
Publisher
Springer Healthcare
Keywords
Care
Biomarkers
Published in
Advances in Therapy / Issue 2/2021
Print ISSN: 0741-238X
Electronic ISSN: 1865-8652
DOI
https://doi.org/10.1007/s12325-020-01571-z

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