Fosaprepitant

Fosaprepitant, sold under the brand names Emend (US) and Ivemend (EU) among others, is an antiemetic medication, administered intravenously. It is a prodrug of aprepitant.

Fosaprepitant
Clinical data
Trade namesEmend, Ivemend
AHFS/Drugs.comMicromedex Detailed Consumer Information
MedlinePlusa604003
License data
Pregnancy
category
  • AU: B2
Routes of
administration
Intravenous
ATC code
Legal status
Legal status
  • AU: S4 (Prescription only)
  • UK: POM (Prescription only)
  • US: ℞-only
  • EU: Rx-only
Pharmacokinetic data
Bioavailabilityn/a
Protein binding>95% (aprepitant)
MetabolismTo aprepitant
Elimination half-life9 to 13 hours (aprepitant)
Identifiers
  • [3-{[(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl] ethoxy]-3-(4-fluorophenyl)morpholin-4-yl]methyl}-5-oxo- 2H-1,2,4-triazol-1-yl]phosphonic acid
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
Chemical and physical data
FormulaC23H22F7N4O6P
Molar mass614.414 g·mol−1
3D model (JSmol)
  • C[C@H](c1cc(cc(c1)C(F)(F)F)C(F)(F)F)O[C@@H]2[C@@H](N(CCO2)Cc3[nH]c(=O)n(n3)P(=O)(O)O)c4ccc(cc4)F
  • InChI=1S/C23H22F7N4O6P/c1-12(14-8-15(22(25,26)27)10-16(9-14)23(28,29)30)40-20-19(13-2-4-17(24)5-3-13)33(6-7-39-20)11-18-31-21(35)34(32-18)41(36,37)38/h2-5,8-10,12,19-20H,6-7,11H2,1H3,(H,31,32,35)(H2,36,37,38)/t12-,19+,20-/m1/s1 N
  • Key:BARDROPHSZEBKC-OITMNORJSA-N N
 NY (what is this?)  (verify)

Fosaprepitant was developed by Merck & Co. and was approved for medical use in the United States, and in the European Union in January 2008.

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