1. A synthetic antineoplastic agent produced by microbial transformation of progesterone, testosterone, or other steroidal substaces. It is used as adjunctive therapy in the palliative treatment of advanced or disseminated breast cancer in postmenopausal women.
Pharmacological action: antineoplastic agent, hormonal.
Chemical name: D-Homo-17a-oxaandrosta-1,4-diene-3,17-dione
(12 Dec 1998)
