A substance being studied in the treatment of cancer. Angiozyme is a special type of RNA made in the laboratory. It stops a protein called vascular endothelial growth factor receptor (VEGFR) from being made. This may prevent the growth of new blood vessels that tumors need to grow. It is a type of angiogenesis inhibitor and a type of ribozyme. Also called RPI.4610. OR A cyclic lipopeptide echinocandin derivative with antifungal activity. Anidulafungin inhibits 1,3 beta-D-glucan synthase, an enzyme involved in fungal cell wall synthesis, resulting in cell lysis and death. This agent is active against Candida species and Aspergillus. Check foractive clinical trials using this agent.