# OnCo record sound (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/sound/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "sound", "NCT02167490" ;
  schema:name "SOUND (Sentinel Node vs Observation After Axillary Ultra-Sound)"@en ;
  schema:alternateName "SOUND trial"@en ;
  schema:description "SOUND went one step further than every trial before it and asked whether the armpit needs to be operated on at all when the tumour is small and the scan is clear. For those women it does not: almost everyone was free of distant spread at five years either way."@en ;
  schema:url <https://onco.cc/trials/sound/> ;
  schema:dateModified "2026-09-25"^^xsd:date ;
  schema:citation <https://clinicaltrials.gov/study/NCT02167490>, <https://doi.org/10.1001/jamaoncol.2023.3759> ;
  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:institutions <https://onco.cc/institutions/ieo-milan/> ;
  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/insema/>, <https://onco.cc/trials/nsabp-b32/> .