# OnCo record stratified-randomisation (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/stratified-randomisation/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "stratified-randomisation" ;
  schema:name "Stratified randomisation, allocation concealment and minimisation"@en ;
  schema:alternateName "stratified randomisation"@en, "stratified randomization"@en, "stratification factors"@en, "stratification factor"@en, "stratified by"@en, "randomised 1:1"@en, "randomized 1:1"@en, "randomised 2:1"@en, "randomized 2:1"@en, "1:1 randomisation"@en, "2:1 randomisation"@en, "block randomisation"@en, "permuted blocks"@en, "minimisation"@en, "minimization"@en, "allocation concealment"@en, "concealed allocation"@en, "central randomisation"@en, "interactive web response system"@en, "IWRS"@en, "randomisation ratio"@en, "allocation ratio"@en, "unequal randomisation"@en ;
  schema:description "Randomisation is done by computer and often within groups (by stage, by biomarker, by region) so that each arm gets a fair share of the patients who matter most, and nobody can steer a particular patient to a particular arm."@en ;
  schema:url <https://onco.cc/terms/stratified-randomisation/> ;
  schema:dateModified "2026-09-17"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Stratification_(clinical_trials)> ;
  schema:citation <https://en.wikipedia.org/wiki/Stratification_(clinical_trials)>, <https://www.consort-statement.org/>, <https://www.ich.org/page/efficacy-guidelines> ;
  onco:related <https://onco.cc/terms/randomised-trial/>, <https://onco.cc/terms/double-blind/>, <https://onco.cc/terms/blinding/>, <https://onco.cc/terms/subgroup-analysis/>, <https://onco.cc/terms/biomarker-stratified-design/>, <https://onco.cc/terms/clinical-equipoise/>, <https://onco.cc/terms/cluster-randomised-trial/> ;
  onco:sections <https://onco.cc/fronts/drug-discovery/> ;
  onco:trials <https://onco.cc/trials/checkmate-067/>, <https://onco.cc/trials/sabr-comet/>, <https://onco.cc/trials/imvigor011/> .