# OnCo record challenge (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/challenge/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "challenge", "NCT00819208" ;
  schema:name "CHALLENGE (CCTG CO.21)"@en ;
  schema:description "The first randomised trial to show that a coached exercise programme after cancer treatment reduces recurrence and death, in colon cancer."@en ;
  schema:url <https://onco.cc/trials/challenge/> ;
  schema:dateModified "2026-09-08"^^xsd:date ;
  schema:citation <https://clinicaltrials.gov/study/NCT00819208>, <https://doi.org/10.1056/NEJMoa2502760> ;
  onco:status "positive" ;
  onco:phase "3" ;
  schema:startDate "2009-06-02" ;
  onco:related <https://onco.cc/ideas/idea-exercise-as-adjuvant/>, <https://onco.cc/ideas/idea-bio2-exercise-reimbursement/> ;
  onco:cancers <https://onco.cc/cancers/colorectal/> ;
  onco:sections <https://onco.cc/fronts/nutrition-lifestyle/> ;
  onco:technologies <https://onco.cc/technologies/structured-exercise-survivorship/>, <https://onco.cc/technologies/exercise-oncology/> ;
  onco:drugs <https://onco.cc/drugs/folfox/> ;
  onco:companies <https://onco.cc/companies/cctg/> ;
  onco:institutions <https://onco.cc/institutions/princess-margaret/> ;
  onco:terms <https://onco.cc/terms/met-hours/>, <https://onco.cc/terms/energy-balance/>, <https://onco.cc/terms/efs/>, <https://onco.cc/terms/os/> ;
  onco:trials <https://onco.cc/trials/idea-collaboration/>, <https://onco.cc/trials/mosaic/> ;
  onco:people <https://onco.cc/people/kerry-courneya/>, <https://onco.cc/people/christopher-booth/> ;
  onco:bottlenecks <https://onco.cc/bottlenecks/b-survivorship/>, <https://onco.cc/bottlenecks/b-prevention-adoption/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-challenge-exercise-nejm-2025/> .