# OnCo record chaparral-herb (technology). 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/technologies/chaparral-herb/>
  a schema:MedicalTherapy ;
  onco:kind "technology" ;
  schema:identifier "chaparral-herb" ;
  schema:name "Chaparral (creosote bush)"@en ;
  schema:description "Chaparral is a desert shrub long used as a folk cancer remedy and an ingredient of black salve. A phase 2 trial found it ineffective against cancer, and it has caused severe liver damage, some cases needing a liver transplant."@en ;
  schema:url <https://onco.cc/technologies/chaparral-herb/> ;
  schema:dateModified "2026-11-04"^^xsd:date ;
  schema:citation <https://www.mskcc.org/cancer-care/integrative-medicine/herbs/chaparral> ;
  onco:status "negative" ;
  onco:tag "complementary", "supportive-care", "evidence:harm" ;
  onco:related <https://onco.cc/technologies/comfrey/>, <https://onco.cc/technologies/kava-kava/> ;
  onco:sections <https://onco.cc/fronts/supportive-care/> ;
  onco:technologies <https://onco.cc/technologies/integrative-oncology/>, <https://onco.cc/technologies/alternative-medicine-instead-of-treatment/>, <https://onco.cc/technologies/black-salve-escharotics/> ;
  onco:terms <https://onco.cc/terms/unproven-diet-claims/> ;
  onco:bottlenecks <https://onco.cc/bottlenecks/b-misinformation/> .