# OnCo record paper-fahrmann-ca19-9-lead-time-gastroenterology-2021 (paper). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/key-papers/paper-fahrmann-ca19-9-lead-time-gastroenterology-2021/>
  a schema:ScholarlyArticle ;
  onco:kind "paper" ;
  schema:identifier "paper-fahrmann-ca19-9-lead-time-gastroenterology-2021" ;
  schema:name "Lead-Time Trajectory of CA19-9 as an Anchor Marker for Pancreatic Cancer Early Detection"@en ;
  schema:description "A 2021 study of stored blood from a US screening trial showing that CA 19-9 starts rising about two years before pancreatic cancer is diagnosed and catches half of early-stage cases in the final six months, so it can anchor a multi-marker early detection test."@en ;
  schema:url <https://onco.cc/key-papers/paper-fahrmann-ca19-9-lead-time-gastroenterology-2021/> ;
  schema:dateModified "2026-09-24"^^xsd:date ;
  schema:citation <https://doi.org/10.1053/j.gastro.2020.11.052>, <https://pubmed.ncbi.nlm.nih.gov/33333055/> ;
  onco:tag "pancreatic-evidence" ;
  schema:sameAs <https://doi.org/10.1053/j.gastro.2020.11.052> ;
  schema:datePublished "2021"^^xsd:gYear ;
  schema:author "Fahrmann JF, Schmidt CM, Mao X, et al." ;
  onco:related <https://onco.cc/key-papers/paper-tempero-ca19-9-lewis-antigens-cancer-res-1987/>, <https://onco.cc/key-papers/paper-sharma-endpac-model-new-onset-diabetes-gastroenterology-2018/>, <https://onco.cc/roadmaps/early-detection-roadmap/> ;
  onco:cancers <https://onco.cc/cancers/pancreatic/> ;
  onco:technologies <https://onco.cc/technologies/liquid-biopsy/>, <https://onco.cc/technologies/mced/>, <https://onco.cc/technologies/proteomics/> ;
  onco:institutions <https://onco.cc/institutions/md-anderson/> ;
  onco:terms <https://onco.cc/terms/ca19-9/>, <https://onco.cc/terms/tumour-markers/>, <https://onco.cc/terms/ppv/> ;
  onco:people <https://onco.cc/people/anirban-maitra/> ;
  onco:bottlenecks <https://onco.cc/bottlenecks/b-early-detection/>, <https://onco.cc/bottlenecks/b-biomarker-validation/> ;
  onco:journals <https://onco.cc/journals/gastroenterology/> .