# OnCo record breast-cancer-index (drug). 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/drugs/breast-cancer-index/>
  a schema:Drug ;
  onco:kind "drug" ;
  schema:identifier "breast-cancer-index" ;
  schema:name "Breast Cancer Index"@en ;
  schema:description "The only test designed to tell a woman who has finished five years of hormone therapy whether another five years is worth the side effects."@en ;
  schema:url <https://onco.cc/drugs/breast-cancer-index/> ;
  schema:dateModified "2026-09-10"^^xsd:date ;
  schema:citation <https://www.breastcancerindex.com>, <https://doi.org/10.1200/JCO.22.00069> ;
  onco:status "established" ;
  onco:tag "test" ;
  onco:modality "Gene-expression prognostic and predictive assay (extended endocrine therapy benefit)" ;
  schema:alternateName "Breast Cancer Index (BCI)" ;
  onco:related <https://onco.cc/drugs/oncotype-dx/>, <https://onco.cc/drugs/endopredict/> ;
  onco:cancers <https://onco.cc/cancers/breast-hr-positive/> ;
  onco:technologies <https://onco.cc/technologies/rna-seq/>, <https://onco.cc/technologies/endocrine-therapy/> ;
  onco:companies <https://onco.cc/companies/hologic/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-andre-j-clin-oncol/> .