NCIt definition : An orally active synthetic substituted phenylethenesulfonamide. As a selective endothelin
A receptor antagonist, YM598 inhibits endothelin-mediated mechanisms involved in tumor
cell growth and progression, angiogenesis, and metastasis. (NCI04);
Alternative definition : NCI-GLOSS: A substance that is being studied as a treatment for advanced prostate
cancer and for pain caused by prostate cancer that has spread to the bone. It belongs
to the family of drugs called endothelin ETA receptor antagonists.;