VM26, derivative of podophyllotoxin that interferes with action of topoisomerase II.

An anticancer drug that is a podophyllotoxin derivative and belongs to the family of drugs called mitotic inhibitors.

Teniposide (Vumon®, VM-26) is a chemotherapeutic medication mainly used in the treatment of childhood acute lymphocytic leukemia. It is in a class of drugs known as podophyllotoxin derivatives and slows the growth of cancer cells in the body. Common side effects include nausea, vomiting, diarrhea, and thinned or brittle hair.