L-threo-dihydrosphingosineListen to pronunciation(... THREE-oh-dy-HY-drose-SFING-goh-seen)A substance that is being studied in the treatment of cancer. It belongs to the family of drugs called protein kinase inhibitors. Also called safingol.Search NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#