# OnCo record idea-urine-ctdna-surveillance (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-urine-ctdna-surveillance/>
  a schema:CreativeWork ;
  onco:kind "idea" ;
  schema:identifier "idea-urine-ctdna-surveillance" ;
  schema:name "Urine tumour DNA to replace surveillance cystoscopy in NMIBC"@en ;
  schema:description "Bladder cancer sheds tumour DNA straight into urine. A urine test every few months could replace part of the surveillance cystoscopy schedule that patients with non-muscle-invasive bladder cancer follow for years, doubling the interval between camera examinations when the test is negative."@en ;
  schema:url <https://onco.cc/ideas/idea-urine-ctdna-surveillance/> ;
  schema:dateModified "2026-09-07"^^xsd:date ;
  schema:citation <https://doi.org/10.1158/2159-8290.CD-18-0825> ;
  onco:cancers <https://onco.cc/cancers/urothelial/> ;
  onco:technologies <https://onco.cc/technologies/liquid-biopsy/>, <https://onco.cc/technologies/mrd-testing/>, <https://onco.cc/technologies/cystoscopy-turbt/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-dudley-cancer-discov/> .