2023
DOI: 10.1200/jco.2023.41.4_suppl.688
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Guideline compliance and outcomes of genetic testing in pancreatic cancer patients.

Abstract: 688 Background: Guidelines recommend patients with pancreatic ductal adenocarcinoma (PDAC) undergo genetic testing for germline pathogenic variants (PV). The aim of this study was to evaluate compliance with recently updated guidelines (May 2019) and assess subsequent uptake and outcomes of genetic testing in PDAC patients. In addition, social and clinical factors associated with genetic testing were assessed. Methods: A retrospective chart review of patients diagnosed with PDAC between May 2018 and August 20… Show more

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“…[ 37 ] Conversely, blood‐based molecular biomarkers, including nucleic acids, proteins, and metabolites, hold great promise for early PC diagnosis due to their ease of interpretation, convenience, and non‐invasiveness with high compliance rates (> 90%). [ 38 ] As compared to upstream molecules (nucleic acids and proteins, MW > 1 000 Da) with suboptimal diagnostic performance (e.g., specificity of 75% by CA19‐9), [ 39 ] small metabolites (MW < 1 000 Da) as downstream molecular biomarkers directly offer real‐time phenotypic information, [ 5b,33b,40 ] potentially leading to high‐performance blood tests. [ 41 ]…”
Section: Resultsmentioning
confidence: 99%
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“…[ 37 ] Conversely, blood‐based molecular biomarkers, including nucleic acids, proteins, and metabolites, hold great promise for early PC diagnosis due to their ease of interpretation, convenience, and non‐invasiveness with high compliance rates (> 90%). [ 38 ] As compared to upstream molecules (nucleic acids and proteins, MW > 1 000 Da) with suboptimal diagnostic performance (e.g., specificity of 75% by CA19‐9), [ 39 ] small metabolites (MW < 1 000 Da) as downstream molecular biomarkers directly offer real‐time phenotypic information, [ 5b,33b,40 ] potentially leading to high‐performance blood tests. [ 41 ]…”
Section: Resultsmentioning
confidence: 99%
“…[37] Conversely, blood-based molecular biomarkers, including nucleic acids, proteins, and metabolites, hold great promise for early PC diagnosis due to their ease of interpretation, convenience, and non-invasiveness with high compliance rates (> 90%). [38] As compared to upstream molecules (nucleic acids and proteins, MW > 1 000 Da) with suboptimal diagnostic performance (e.g., specificity of 75% by CA19-9), [39] small metabolites (MW < 1 000 Da) as downstream molecular biomarkers directly offer real-time phenotypic information, [5b,33b,40] potentially leading to high-performance blood tests. [41] Previous studies of metabolic biomarkers for PC diagnosis mainly relied on liquid chromatography-MS (LC-MS) and gas chromatography-MS (GC-MS), [42] limited by slow analytical speed (up to hours per sample) and large sample consumption (sub-milliliter) due to the need for chromatographic separation and purification.…”
Section: Machine Learning Of Smfs For Early Diagnosis Of Pcmentioning
confidence: 99%
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