# OnCo record ukctocs (trial). 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/trials/ukctocs/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "ukctocs", "NCT00058032" ;
  schema:name "UKCTOCS"@en ;
  schema:description "The largest screening trial ever run for ovarian cancer found earlier detection but no reduction in deaths, so there is still no recommended screening."@en ;
  schema:url <https://onco.cc/trials/ukctocs/> ;
  schema:dateModified "2026-09-07"^^xsd:date ;
  schema:citation <https://clinicaltrials.gov/study/NCT00058032>, <https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(21)00731-5/fulltext> ;
  onco:status "negative" ;
  onco:phase "3" ;
  schema:startDate "2001-04-17" ;
  onco:cancers <https://onco.cc/cancers/ovarian/> ;
  onco:technologies <https://onco.cc/technologies/ultrasound/>, <https://onco.cc/technologies/mced/> ;
  onco:companies <https://onco.cc/companies/mrc-ctu/> ;
  onco:institutions <https://onco.cc/institutions/cruk/> ;
  onco:terms <https://onco.cc/terms/ca-125/>, <https://onco.cc/terms/stage-shift/> ;
  onco:people <https://onco.cc/people/usha-menon/> .