# OnCo record start-b (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/start-b/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "start-b" ;
  schema:name "START-B (UK Standardisation of Breast Radiotherapy)"@en ;
  schema:description "START-B showed that three weeks of breast radiotherapy in larger daily doses controls the cancer as well as five weeks of smaller ones, with fewer late changes to the breast, and made 40 Gy in 15 fractions the UK standard."@en ;
  schema:url <https://onco.cc/trials/start-b/> ;
  schema:dateModified "2026-09-16"^^xsd:date ;
  schema:citation <https://www.isrctn.com/ISRCTN59368779>, <https://doi.org/10.1016/S1470-2045(13)70386-3> ;
  onco:status "positive" ;
  onco:tag "radiation-wave2" ;
  onco:phase "3" ;
  onco:cancers <https://onco.cc/cancers/breast-hr-positive/>, <https://onco.cc/cancers/breast-her2-positive/>, <https://onco.cc/cancers/tnbc/>, <https://onco.cc/cancers/breast-cancer/> ;
  onco:technologies <https://onco.cc/technologies/hypofractionated-radiotherapy/>, <https://onco.cc/technologies/imrt-igrt/> ;
  onco:institutions <https://onco.cc/institutions/icr-london/> ;
  onco:terms <https://onco.cc/terms/hypofractionation/>, <https://onco.cc/terms/alpha-beta-ratio/>, <https://onco.cc/terms/partial-breast-irradiation/> ;
  onco:trials <https://onco.cc/trials/start-a/>, <https://onco.cc/trials/fast-trial/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-haviland-lancet-oncol/> .