# OnCo record plco-prostate (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/plco-prostate/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "plco-prostate", "NCT00002540" ;
  schema:name "PLCO, prostate component (Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial)"@en ;
  schema:alternateName "PLCO"@en, "PLCO prostate"@en, "Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial"@en ;
  schema:description "The American screening trial that found no benefit, and the reason is the trial itself: half the men in the group that was supposed to go unscreened were getting PSA tests from their own doctors."@en ;
  schema:url <https://onco.cc/trials/plco-prostate/> ;
  schema:dateModified "2026-09-25"^^xsd:date ;
  schema:citation <https://doi.org/10.1056/NEJMoa0810696>, <https://clinicaltrials.gov/study/NCT00002540> ;
  onco:status "negative" ;
  onco:phase "3" ;
  onco:cancers <https://onco.cc/cancers/prostate/> ;
  onco:terms <https://onco.cc/terms/psa/>, <https://onco.cc/terms/overdiagnosis/> ;
  onco:trials <https://onco.cc/trials/erspc/> .