# OnCo record impower133 (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/impower133/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "impower133", "NCT02763579" ;
  schema:name "IMpower133"@en ;
  schema:description "IMpower133 was the first trial in decades to lengthen survival in extensive-stage small-cell lung cancer, by adding immunotherapy to chemotherapy."@en ;
  schema:url <https://onco.cc/trials/impower133/> ;
  schema:dateModified "2026-09-07"^^xsd:date ;
  schema:citation <https://clinicaltrials.gov/study/NCT02763579>, <https://pubmed.ncbi.nlm.nih.gov/39306923/> ;
  onco:status "positive" ;
  onco:phase "3" ;
  schema:startDate "2016-06-07" ;
  onco:cancers <https://onco.cc/cancers/sclc/>, <https://onco.cc/cancers/extensive-stage-sclc/> ;
  onco:technologies <https://onco.cc/technologies/checkpoint-inhibitor/> ;
  onco:drugs <https://onco.cc/drugs/atezolizumab/>, <https://onco.cc/drugs/platinum-etoposide/> ;
  onco:companies <https://onco.cc/companies/roche-genentech/> ;
  onco:people <https://onco.cc/people/anne-chiang/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-impower133-n-engl-j-med-2018/> .