# OnCo record ccga (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/ccga/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "ccga", "NCT02889978" ;
  schema:name "CCGA (Circulating Cell-free Genome Atlas)"@en ;
  schema:alternateName "CCGA"@en, "Circulating Cell-free Genome Atlas"@en, "GRAIL-001"@en ;
  schema:description "The case-control study of about 15,000 people with and without cancer that GRAIL used to build and validate the Galleri blood test."@en ;
  schema:url <https://onco.cc/trials/ccga/> ;
  schema:dateModified "2026-10-29"^^xsd:date ;
  schema:citation <https://clinicaltrials.gov/study/NCT02889978> ;
  onco:phase "observational" ;
  schema:startDate "2016-08-04" ;
  onco:sections <https://onco.cc/fronts/early-detection/> ;
  onco:technologies <https://onco.cc/technologies/mced/>, <https://onco.cc/technologies/liquid-biopsy/> ;
  onco:drugs <https://onco.cc/drugs/galleri/> ;
  onco:companies <https://onco.cc/companies/grail/> ;
  onco:terms <https://onco.cc/terms/ccga-study/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-liu-ccga2-methylation-ann-oncol-2020/>, <https://onco.cc/key-papers/paper-klein-ccga3-mced-validation-ann-oncol-2021/>, <https://onco.cc/key-papers/paper-jamshidi-ccga1-cfdna-approaches-cancer-cell-2022/> .