Definition

A drug used to reduce the risk of relapse in adults and children with high-risk neuroblastoma that has gotten better after treatment with certain prior therapies. It is also being studied in the treatment of other conditions and types of cancer. Eflornithine hydrochloride blocks an enzyme called ornithine decarboxylase, which may help keep cancer cells from growing. It is a type of enzyme inhibitor. Also called Iwilfin.