# OnCo record tam-01 (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/tam-01/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "tam-01", "NCT01357772" ;
  schema:name "TAM-01"@en ;
  schema:description "TAM-01 showed that a quarter of the usual tamoxifen dose, taken for three years, roughly halved the risk of a new or recurrent breast cancer after treatment for DCIS or other pre-invasive changes, with far fewer of the side effects that make women stop the full dose."@en ;
  schema:url <https://onco.cc/trials/tam-01/> ;
  schema:dateModified "2026-09-17"^^xsd:date ;
  schema:citation <https://clinicaltrials.gov/study/NCT01357772> ;
  onco:status "positive" ;
  onco:tag "subtype-trials" ;
  onco:phase "3" ;
  onco:cancers <https://onco.cc/cancers/ductal-carcinoma-in-situ/>, <https://onco.cc/cancers/breast-cancer/> ;
  onco:drugs <https://onco.cc/drugs/tamoxifen/> ;
  onco:people <https://onco.cc/people/andrea-decensi/> .