# OnCo record pc-spes (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/pc-spes/>
  a schema:MedicalTherapy ;
  onco:kind "technology" ;
  schema:identifier "pc-spes" ;
  schema:name "PC-SPES"@en ;
  schema:alternateName "PC SPES"@en, "Prostate-Res"@en ;
  schema:description "PC-SPES was an eight-herb mixture sold for prostate cancer that lowered PSA in men, but batches turned out to contain prescription drugs, including a synthetic oestrogen and a blood thinner. It was recalled in 2002 and is no longer made; products sold as substitutes are not the same thing."@en ;
  schema:url <https://onco.cc/technologies/pc-spes/> ;
  schema:dateModified "2026-11-04"^^xsd:date ;
  schema:citation <https://www.mskcc.org/cancer-care/integrative-medicine/herbs/pc-spes>, <https://www.cancer.gov/about-cancer/treatment/cam/hp/pc-spes-pdq> ;
  onco:status "negative" ;
  onco:tag "complementary", "supportive-care", "evidence:harm" ;
  onco:related <https://onco.cc/technologies/selenium-supplements/>, <https://onco.cc/technologies/lycopene/> ;
  onco:cancers <https://onco.cc/cancers/prostate/> ;
  onco:sections <https://onco.cc/fronts/supportive-care/>, <https://onco.cc/fronts/hormonal/> ;
  onco:technologies <https://onco.cc/technologies/androgen-deprivation/>, <https://onco.cc/technologies/traditional-chinese-herbal-medicine/>, <https://onco.cc/technologies/alternative-medicine-instead-of-treatment/> ;
  onco:drugs <https://onco.cc/drugs/diethylstilbestrol/> ;
  onco:bottlenecks <https://onco.cc/bottlenecks/b-misinformation/> .