Liposomal cytarabine

Pronunciation

Definition 1

A form of the anticancer drug cytarabine that is contained inside very tiny, fat-like particles. It may have fewer side effects and work better than cytarabine. It is used to treat lymphoma that has spread to the meninges (three thin layers of tissue that cover and protect the brain and spinal cord). It is also being studied in the treatment of other types of cancer. It is a type of antimetabolite. Also called cytarabine liposome and Depo-Cyt. (NCI Dictionary)

Definition 2

A liposomal intrathecal formulation of the antimetabolite cytarabine. As an S-phase-specific antimetabolite, cytarabine is phosphorylated by deoxycytidine kinase to a triphosphate form which competes with thymidine for incorporation into DNA; the incorporation of cytarabine triphosphate into DNA appears to inhibit DNA polymerase and so DNA synthesis, resulting in cell death. (NCI Thesaurus)

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