Etoposide phosphate (brand names: Eposin, Etopophos, Vepesid, VP-16) is an inhibitor of the enzyme topoisomerase II. It is used as a form of chemotherapy for malignancies such as Ewing's sarcoma, lung cancer, testicular cancer, lymphoma, non-lymphocytic leukemia, and glioblastoma multiforme. It is often given in combination with other drugs. Chemically it derives from podophyllotoxin, a toxin found in the American Mayapple. Administration It is given intravenously or orally in capsule form. If… (More on Etoposide)