# OnCo record idea-pu-pelvic-filling-protocol (idea). 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/ideas/idea-pu-pelvic-filling-protocol/>
  a schema:CreativeWork ;
  onco:kind "idea" ;
  schema:identifier "idea-pu-pelvic-filling-protocol" ;
  schema:name "A measured drink of water before pelvic radiotherapy, and bowel preparation kept to what trials support"@en ;
  schema:description "The bladder and rectum change size from day to day and move the prostate with them. A randomised trial found that drinking about half a litre of water before each treatment kept the bladder more consistent than drinking a litre, and small trials of anti-wind medicines before prostate radiotherapy found no effect."@en ;
  schema:url <https://onco.cc/ideas/idea-pu-pelvic-filling-protocol/> ;
  schema:dateModified "2026-10-20"^^xsd:date ;
  schema:citation <https://doi.org/10.1016/j.prro.2013.11.006>, <https://doi.org/10.1016/j.bj.2020.11.004>, <https://doi.org/10.1016/j.prro.2017.10.012>, <https://doi.org/10.1111/1754-9485.13404>, <https://doi.org/10.1080/01635581.2019.1669675> ;
  onco:tag "protocol-upgrade", "upgrade:promising", "evidence:moderate", "precision" ;
  onco:related <https://onco.cc/ideas/idea-pu-rectal-spacer-prostate/>, <https://onco.cc/ideas/idea-pu-prostate-hypofractionation-default/> ;
  onco:cancers <https://onco.cc/cancers/prostate/>, <https://onco.cc/cancers/cervical/>, <https://onco.cc/cancers/urothelial/>, <https://onco.cc/cancers/rectal-cancer/> ;
  onco:sections <https://onco.cc/fronts/radiation/> ;
  onco:technologies <https://onco.cc/technologies/imrt-igrt/>, <https://onco.cc/technologies/adaptive-radiotherapy/>, <https://onco.cc/technologies/bowel-after-pelvic-radiotherapy/> ;
  onco:bottlenecks <https://onco.cc/bottlenecks/b-toxicity-qol/> .