A vascular-targeting agent (VTA) or vascular disrupting agent (VDA) is a drug designed to damage the vasculature (blood vessels) of cancer tumors causing central necrosis.[1]
VTAs can be small-molecule or ligand-based.
Small-molecule VTAs include:
Phase II : ZD6126, CA4P, NPI-2358[2]
Phase III : DMXAA (ASA404).