# OnCo record quartz (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/quartz/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "quartz" ;
  schema:name "QUARTZ"@en ;
  schema:description "QUARTZ found that whole-brain radiotherapy added nothing measurable, in survival or quality of life, for lung cancer patients whose brain metastases could not be treated with surgery or radiosurgery."@en ;
  schema:url <https://onco.cc/trials/quartz/> ;
  schema:dateModified "2026-09-16"^^xsd:date ;
  schema:citation <https://www.isrctn.com/ISRCTN3826061>, <https://doi.org/10.1016/S0140-6736(16)30825-X> ;
  onco:status "negative" ;
  onco:tag "radiation-wave2" ;
  onco:phase "3" ;
  onco:cancers <https://onco.cc/cancers/nsclc/>, <https://onco.cc/cancers/brain-tumours/>, <https://onco.cc/cancers/secondary-brain-tumours/> ;
  onco:technologies <https://onco.cc/technologies/palliative-radiotherapy/>, <https://onco.cc/technologies/palliative-care/> ;
  onco:drugs <https://onco.cc/drugs/dexamethasone/> ;
  onco:companies <https://onco.cc/companies/mrc-ctu/> ;
  onco:institutions <https://onco.cc/institutions/uclh/> ;
  onco:terms <https://onco.cc/terms/wbrt/> ;
  onco:trials <https://onco.cc/trials/big-lung-trial/> .