SANT-1 is a potent, cell-permeable inhibitor of Sonic hedgehog (Shh) signaling; high affinity antagonist of smoothened activity (KD = 1.2 nM). Inhibits smoothened agonist effects with an IC50 of 20 nM (in Shh-LIGHT2 cells).
Mebendazole is a highly effective, broad-spectrum antihelmintic indicated for the treatment of nematode infestations; has been found as a hedgehog inhibitor.