NCIt definition : An orally bioavailable antimitotic sulfonamide. ABT- 751 binds to the colchicine-binding
site on beta-tubulin and inhibits the polymerization of microtubules, thereby preventing
tumor cell replication. This agent also disrupts tumor neovascularization, reducing
tumor blood flow and so inducing a cytotoxic effect. (NCI04);
Alternative definition : NCI-GLOSS: A substance that is being studied as a treatment for cancer. It belongs
to the family of drugs called sulfonamides.;