# OnCo record idea-data-external-control-arm-standard (idea). 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/ideas/idea-data-external-control-arm-standard/>
  a schema:CreativeWork ;
  onco:kind "idea" ;
  schema:identifier "idea-data-external-control-arm-standard" ;
  schema:name "Standards for external control arms built from federated real-world data"@en ;
  schema:description "When a trial has no comparison group, the comparison is sometimes built from old patient records. Set rules for how that is done so the answer is not rigged."@en ;
  schema:url <https://onco.cc/ideas/idea-data-external-control-arm-standard/> ;
  schema:dateModified "2026-09-08"^^xsd:date ;
  schema:citation <https://doi.org/10.1001/jamainternmed.2019.0462> ;
  onco:sections <https://onco.cc/fronts/ai-computation/> ;
  onco:terms <https://onco.cc/terms/real-world-evidence/>, <https://onco.cc/terms/basket-umbrella-platform/> ;
  onco:bottlenecks <https://onco.cc/bottlenecks/b-real-world-evidence/>, <https://onco.cc/bottlenecks/b-trial-design/>, <https://onco.cc/bottlenecks/b-rare-cancers/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-gyawali-jama-intern-med/> .