# OnCo record avril-surgery-versus-radiotherapy-bcc (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/avril-surgery-versus-radiotherapy-bcc/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "avril-surgery-versus-radiotherapy-bcc" ;
  schema:name "Surgery against radiotherapy for basal cell carcinoma of the face"@en ;
  schema:alternateName "Avril trial"@en, "Institut Gustave Roussy basal cell carcinoma trial"@en ;
  schema:description "The only randomised trial ever run of surgery against radiotherapy for the commonest skin cancer found surgery better on both counts: fewer cancers came back and the face looked better afterwards. Radiotherapy is used when an operation is not possible, not because it is equal."@en ;
  schema:url <https://onco.cc/trials/avril-surgery-versus-radiotherapy-bcc/> ;
  schema:dateModified "2026-09-25"^^xsd:date ;
  schema:citation <https://doi.org/10.1038/bjc.1997.343>, <https://pubmed.ncbi.nlm.nih.gov/9218740/>, <https://doi.org/10.1097/00006534-200006000-00039> ;
  onco:status "positive" ;
  onco:phase "3" ;
  onco:cancers <https://onco.cc/cancers/basal-cell-carcinoma/>, <https://onco.cc/cancers/skin-cancer/> ;
  onco:technologies <https://onco.cc/technologies/brachytherapy/>, <https://onco.cc/technologies/electron-beam-therapy-systems/>, <https://onco.cc/technologies/imrt-igrt/> ;
  onco:terms <https://onco.cc/terms/radiotherapy-for-skin-cancer/>, <https://onco.cc/terms/surgical-margins-keratinocyte-cancer/> ;
  onco:trials <https://onco.cc/trials/mohs-versus-excision-facial-bcc/>, <https://onco.cc/trials/trog-05-01/> .