# OnCo record proton-vs-imrt (pairing). 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/pairings/proton-vs-imrt/>
  a schema:MedicalTherapy ;
  onco:kind "pairing" ;
  schema:identifier "proton-vs-imrt" ;
  schema:name "Caution: proton therapy vs IMRT"@en ;
  schema:description "Protons stop inside the tumour; modern X-ray beams (IMRT) still exit through healthy tissue. That physical difference only matters if it changes cure or late harm enough to justify the cost, which randomised adult trials have not settled."@en ;
  schema:url <https://onco.cc/pairings/proton-vs-imrt/> ;
  schema:dateModified "2026-09-04"^^xsd:date ;
  schema:citation <https://clinicaltrials.gov/study/NCT01617161>, <https://clinicaltrials.gov/study/NCT02603341> ;
  onco:tag "radiation-wave5" ;
  onco:related <https://onco.cc/ideas/idea-bio2-let-rbe-ab-selects-protons/>, <https://onco.cc/ideas/idea-fund-proton-coverage-with-evidence/> ;
  onco:cancers <https://onco.cc/cancers/prostate/>, <https://onco.cc/cancers/breast-hr-positive/>, <https://onco.cc/cancers/esophageal/>, <https://onco.cc/cancers/nsclc/>, <https://onco.cc/cancers/medulloblastoma/>, <https://onco.cc/cancers/chordoma/> ;
  onco:sections <https://onco.cc/fronts/radiation/> ;
  onco:technologies <https://onco.cc/technologies/proton-therapy/>, <https://onco.cc/technologies/imrt-igrt/>, <https://onco.cc/technologies/intensity-modulated-proton-therapy/>, <https://onco.cc/technologies/linear-quadratic-model/> ;
  onco:terms <https://onco.cc/terms/linear-energy-transfer/>, <https://onco.cc/terms/relative-biological-effectiveness/>, <https://onco.cc/terms/alpha-beta-ratio/>, <https://onco.cc/terms/bragg-peak/> ;
  onco:trials <https://onco.cc/trials/partiqol/>, <https://onco.cc/trials/radcomp/> ;
  onco:bottlenecks <https://onco.cc/bottlenecks/b-surgery-radiation-innovation/> ;
  onco:pairs <https://onco.cc/technologies/proton-therapy/>, <https://onco.cc/technologies/imrt-igrt/> .