# OnCo record double-blind (term). 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/terms/double-blind/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "double-blind" ;
  schema:name "Blinding (double-blind, open-label, placebo-controlled)"@en ;
  schema:alternateName "double-blind"@en, "double blind"@en, "double-blinded"@en, "blinded"@en, "open-label"@en, "open label"@en, "unblinded"@en, "placebo-controlled"@en, "placebo-controlled trial"@en, "matching placebo"@en, "single-blind"@en, "investigator-blinded"@en, "assessor-blinded"@en, "blinded assessment"@en, "blinded independent review"@en, "unblinding"@en ;
  schema:description "Whether patients and doctors know which treatment is being given. Double-blind: neither knows (a placebo hides it). Open-label: both do, unavoidable for surgery or radiotherapy but a source of bias when judging progression and symptoms."@en ;
  schema:url <https://onco.cc/terms/double-blind/> ;
  schema:dateModified "2026-09-09"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Blinded_experiment> ;
  schema:citation <https://en.wikipedia.org/wiki/Blinded_experiment> ;
  onco:related <https://onco.cc/terms/bicr/>, <https://onco.cc/terms/control-arm/>, <https://onco.cc/terms/intention-to-treat/>, <https://onco.cc/terms/single-arm/>, <https://onco.cc/terms/stratified-randomisation/>, <https://onco.cc/terms/clinical-equipoise/>, <https://onco.cc/terms/placebo/>, <https://onco.cc/terms/n-of-1-trial/> ;
  onco:sections <https://onco.cc/fronts/drug-discovery/> ;
  onco:trials <https://onco.cc/trials/act-iv/>, <https://onco.cc/trials/olanzapine-appetite-tmh/>, <https://onco.cc/trials/keynote-564/>, <https://onco.cc/trials/add-aspirin/> .