# OnCo record jrosg-99-1 (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/jrosg-99-1/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "jrosg-99-1" ;
  schema:name "JROSG 99-1 (Aoyama): stereotactic radiosurgery with or without whole-brain radiotherapy"@en ;
  schema:alternateName "JROSG 99-1"@en, "Aoyama trial"@en ;
  schema:description "Showed that adding whole-brain radiotherapy to focused radiosurgery for a few brain secondaries does not extend life, though it does halve the chance of new ones appearing."@en ;
  schema:url <https://onco.cc/trials/jrosg-99-1/> ;
  schema:dateModified "2026-09-25"^^xsd:date ;
  schema:citation <https://doi.org/10.1001/jama.295.21.2483>, <https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000000496> ;
  onco:status "mixed" ;
  onco:phase "3" ;
  onco:cancers <https://onco.cc/cancers/nsclc/>, <https://onco.cc/cancers/sclc/>, <https://onco.cc/cancers/lung-cancer/>, <https://onco.cc/cancers/secondary-brain-tumours/> ;
  onco:technologies <https://onco.cc/technologies/radiosurgery-srs/>, <https://onco.cc/technologies/palliative-radiotherapy/> ;
  onco:terms <https://onco.cc/terms/brain-metastases/>, <https://onco.cc/terms/palliative-treatment/> ;
  onco:trials <https://onco.cc/trials/quartz/> .