# OnCo record idea-tr2-reversal-registry (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-tr2-reversal-registry/>
  a schema:CreativeWork ;
  onco:kind "idea" ;
  schema:identifier "idea-tr2-reversal-registry" ;
  schema:name "A public registry of cancer treatments that were later shown not to work"@en ;
  schema:description "Keep a running, well-documented list of cancer practices and approvals that were reversed by later evidence, so the pattern of mistakes is visible and teachable."@en ;
  schema:url <https://onco.cc/ideas/idea-tr2-reversal-registry/> ;
  schema:dateModified "2026-09-08"^^xsd:date ;
  schema:citation <https://doi.org/10.1056/NEJMsa1409364> ;
  onco:related <https://onco.cc/collections/fda-approvals/>, <https://onco.cc/ideas/idea-tr2-failure-taxonomy/> ;
  onco:terms <https://onco.cc/terms/accelerated-approval/> ;
  onco:bottlenecks <https://onco.cc/bottlenecks/b-negative-results/>, <https://onco.cc/bottlenecks/b-knowledge-diffusion/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-anderson-n-engl-j-med/> .