Orvepitant

Orvepitant (GW823296) is a drug developed by GlaxoSmithKline which acts as a selective antagonist for the NK1 receptor.[1] It was under development as a potential antidepressant drug, and early stage human clinical trials showed it to have some antidepressant effects, though not with sufficient efficacy to justify further development for this application. It was however considered a successful proof of concept for NK1 antagonists as potential antidepressants, and efforts are continuing to find more potent compounds which might be more effective.[2]

Orvepitant
Clinical data
ATC code
  • none
Identifiers
IUPAC name
  • (2R,4S)-4-[(8aS)-6-oxo-1,3,4,7,8,8a-hexahydropyrrolo[1,2-a]pyrazin-2-yl]-N-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethyl]-2-(4-fluoro-2-methylphenyl)-N-methylpiperidine-1-carboxamide
CAS Number
PubChem CID
ChemSpider
UNII
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC31H35F7N4O2
Molar mass628.636 g·mol−1
3D model (JSmol)
SMILES
  • CC1=C(C=CC(=C1)F)[C@H]2C[C@H](CCN2C(=O)N(C)[C@H](C)C3=CC(=CC(=C3)C(F)(F)F)C(F)(F)F)N4CCN5[C@H](C4)CCC5=O
InChI
  • InChI=1S/C31H35F7N4O2/c1-18-12-23(32)4-6-26(18)27-16-24(40-10-11-41-25(17-40)5-7-28(41)43)8-9-42(27)29(44)39(3)19(2)20-13-21(30(33,34)35)15-22(14-20)31(36,37)38/h4,6,12-15,19,24-25,27H,5,7-11,16-17H2,1-3H3/t19-,24+,25+,27-/m1/s1
  • Key:XWNBGDJPEXZSQM-VZOBGQTKSA-N

References
  1. Di Fabio R, Alvaro G, Braggio S, Carletti R, Gerrard PA, Griffante C, et al. (November 2013). "Identification, biological characterization and pharmacophoric analysis of a new potent and selective NK1 receptor antagonist clinical candidate". Bioorganic & Medicinal Chemistry. 21 (21): 6264–73. doi:10.1016/j.bmc.2013.09.001. PMID 24075145.
  2. Ratti E, Bettica P, Alexander R, Archer G, Carpenter D, Evoniuk G, et al. (May 2013). "Full central neurokinin-1 receptor blockade is required for efficacy in depression: evidence from orvepitant clinical studies". Journal of Psychopharmacology. 27 (5): 424–34. doi:10.1177/0269881113480990. PMID 23539641. S2CID 6523822.
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