# OnCo record ceacam5-expression (biomarker). 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/biomarkers/ceacam5-expression/>
  a schema:MedicalTest ;
  onco:kind "biomarker" ;
  schema:identifier "ceacam5-expression" ;
  schema:name "CEACAM5 expression"@en ;
  schema:alternateName "CEACAM5"@en, "CEACAM5-positive"@en, "CEACAM5 high"@en, "CEA cell adhesion molecule 5 expression"@en ;
  schema:description "CEACAM5 is the cell-surface form of the tumour marker CEA, high on many lung and bowel cancers. Tusamitamab ravtansine was tested in CEACAM5-high lung cancer but failed its phase 3 and no approval exists."@en ;
  schema:url <https://onco.cc/biomarkers/ceacam5-expression/> ;
  schema:dateModified "2026-09-23"^^xsd:date ;
  schema:citation <https://clinicaltrials.gov/study/NCT04154956> ;
  onco:tag "biomarker", "surface-antigen", "no-threshold" ;
  onco:related <https://onco.cc/biomarkers/trop2-expression/> ;
  onco:cancers <https://onco.cc/cancers/nsclc/>, <https://onco.cc/cancers/colorectal/> ;
  onco:drugs <https://onco.cc/drugs/tusamitamab-ravtansine/> .