# OnCo record calgb-9343 (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/calgb-9343/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "calgb-9343" ;
  schema:name "CALGB 9343"@en ;
  schema:description "CALGB 9343 showed that older women with small hormone-sensitive breast cancers taking tamoxifen gain only a small reduction in local recurrence from radiotherapy and no survival benefit, opening the door to omitting it."@en ;
  schema:url <https://onco.cc/trials/calgb-9343/> ;
  schema:dateModified "2026-09-16"^^xsd:date ;
  schema:citation <https://doi.org/10.1056/NEJMoa040587>, <https://doi.org/10.1200/JCO.2012.45.2615> ;
  onco:status "positive" ;
  onco:tag "radiation-wave2" ;
  onco:phase "3" ;
  onco:cancers <https://onco.cc/cancers/breast-hr-positive/>, <https://onco.cc/cancers/breast-cancer/> ;
  onco:technologies <https://onco.cc/technologies/imrt-igrt/>, <https://onco.cc/technologies/active-surveillance/> ;
  onco:drugs <https://onco.cc/drugs/tamoxifen/> ;
  onco:companies <https://onco.cc/companies/alliance-oncology/> ;
  onco:terms <https://onco.cc/terms/radiotherapy-omission-early-breast-cancer/> ;
  onco:trials <https://onco.cc/trials/prime-ii/>, <https://onco.cc/trials/lumina/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-hughes-n-engl-j-med/>, <https://onco.cc/key-papers/paper-hughes-j-clin-oncol/> .