# OnCo record insema (trial). 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/trials/insema/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "insema", "NCT02466737" ;
  schema:name "INSEMA (Intergroup Sentinel Mamma)"@en ;
  schema:alternateName "Intergroup Sentinel Mamma"@en ;
  schema:description "The largest trial of skipping the armpit operation, and the one with six years of follow-up. Women who had no lymph node surgery did as well as those who did, and had less arm swelling, better shoulder movement and less pain."@en ;
  schema:url <https://onco.cc/trials/insema/> ;
  schema:dateModified "2026-09-25"^^xsd:date ;
  schema:citation <https://clinicaltrials.gov/study/NCT02466737>, <https://doi.org/10.1056/NEJMoa2412063> ;
  onco:status "positive" ;
  onco:phase "3" ;
  onco:cancers <https://onco.cc/cancers/breast-cancer/>, <https://onco.cc/cancers/breast-hr-positive/>, <https://onco.cc/cancers/breast-her2-positive/>, <https://onco.cc/cancers/tnbc/> ;
  onco:technologies <https://onco.cc/technologies/sentinel-node/> ;
  onco:terms <https://onco.cc/terms/sentinel-lymph-node-biopsy/>, <https://onco.cc/terms/axillary-surgery-de-escalation/>, <https://onco.cc/terms/breast-cancer-related-lymphoedema/> ;
  onco:trials <https://onco.cc/trials/sound/>, <https://onco.cc/trials/nsabp-b32/> .