# OnCo record surrogate-endpoint (term). 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 owl: <http://www.w3.org/2002/07/owl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/terms/surrogate-endpoint/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "surrogate-endpoint" ;
  schema:name "Surrogate endpoint"@en ;
  schema:alternateName "surrogate endpoints"@en, "surrogate"@en, "surrogates"@en, "surrogate marker"@en, "surrogate markers"@en, "surrogate outcome"@en, "intermediate endpoint"@en, "intermediate endpoints"@en, "surrogate for survival"@en, "validated surrogate"@en, "intermediate clinical endpoint"@en, "early endpoint"@en, "reasonably likely to predict clinical benefit"@en, "trial-level surrogacy"@en, "patient-level surrogacy"@en, "surrogacy"@en, "surrogate-endpoint-term"@en ;
  schema:description "A quicker, easier measurement used as a stand-in for what really matters. Tumour shrinkage or delayed growth stands in for living longer, on the assumption, not always true, that one leads to the other."@en ;
  schema:url <https://onco.cc/terms/surrogate-endpoint/> ;
  schema:dateModified "2026-09-09"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Surrogate_endpoint> ;
  owl:sameAs <http://www.wikidata.org/entity/Q2368661> ;
  schema:citation <https://en.wikipedia.org/wiki/Surrogate_endpoint> ;
  onco:related <https://onco.cc/terms/endpoint/>, <https://onco.cc/terms/pfs/>, <https://onco.cc/terms/orr/>, <https://onco.cc/terms/pcr/>, <https://onco.cc/terms/mrd/>, <https://onco.cc/terms/os/>, <https://onco.cc/terms/accelerated-approval/>, <https://onco.cc/terms/stage-shift/>, <https://onco.cc/terms/primary-endpoint/>, <https://onco.cc/terms/confirmatory-trial/>, <https://onco.cc/terms/surrogate-validation/>, <https://onco.cc/terms/efs/>, <https://onco.cc/terms/trial-failure-modes/> ;
  onco:sections <https://onco.cc/fronts/drug-discovery/> ;
  onco:trials <https://onco.cc/trials/keynote-522/>, <https://onco.cc/trials/tropion-breast01/>, <https://onco.cc/trials/announce/>, <https://onco.cc/trials/ukctocs/> .