# OnCo record pci-overview-1999 (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/pci-overview-1999/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "pci-overview-1999" ;
  schema:name "Prophylactic Cranial Irradiation Overview (Auperin meta-analysis)"@en ;
  schema:alternateName "PCI Overview"@en, "Auperin meta-analysis"@en ;
  schema:description "Pooling seven trials showed that irradiating the brain before any tumour appears there adds about five people alive in a hundred at three years."@en ;
  schema:url <https://onco.cc/trials/pci-overview-1999/> ;
  schema:dateModified "2026-09-25"^^xsd:date ;
  schema:citation <https://doi.org/10.1056/NEJM199908123410703> ;
  onco:status "positive" ;
  onco:phase "observational" ;
  onco:cancers <https://onco.cc/cancers/limited-stage-sclc/>, <https://onco.cc/cancers/extensive-stage-sclc/>, <https://onco.cc/cancers/sclc/> ;
  onco:technologies <https://onco.cc/technologies/imrt-igrt/> ;
  onco:terms <https://onco.cc/terms/brain-metastases/>, <https://onco.cc/terms/curative-intent/> ;
  onco:trials <https://onco.cc/trials/slotman-pci-es-sclc/>, <https://onco.cc/trials/takahashi-pci/> .