# OnCo record keynote-671 (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/keynote-671/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "keynote-671", "NCT03425643" ;
  schema:name "KEYNOTE-671"@en ;
  schema:description "Showed that immunotherapy given both before and after lung cancer surgery lengthens survival."@en ;
  schema:url <https://onco.cc/trials/keynote-671/> ;
  schema:dateModified "2026-09-06"^^xsd:date ;
  schema:citation <https://clinicaltrials.gov/study/NCT03425643> ;
  onco:status "positive" ;
  onco:phase "3" ;
  schema:startDate "2018-04-24" ;
  onco:cancers <https://onco.cc/cancers/nsclc/>, <https://onco.cc/cancers/resectable-nsclc/> ;
  onco:technologies <https://onco.cc/technologies/checkpoint-inhibitor/> ;
  onco:drugs <https://onco.cc/drugs/pembrolizumab/> ;
  onco:companies <https://onco.cc/companies/merck/> ;
  onco:terms <https://onco.cc/terms/neoadjuvant-adjuvant/> ;
  onco:people <https://onco.cc/people/heather-wakelee/>, <https://onco.cc/people/tina-cascone/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-keynote-671-n-engl-j-med-2023/>, <https://onco.cc/key-papers/paper-keynote-671-ann-oncol-2026-update/> .