Wiktionary
fosaprepitant
n. A prodrug of aprepitant, administered intravenously as an antiemetic.
Wikipedia
Fosaprepitant
Fosaprepitant (Emend for Injection ( US), Ivemend ( EU)) is an antiemetic drug, administered intravenously. It is a prodrug of aprepitant.
Fosaprepitant was developed by Merck & Co. and was approved by the United States Food and Drug Administration (FDA) on January 25, 2008 and by the European Medicines Agency (EMA) on January 11 of the same year.