Suntinorexton (INNTooltip International Nonproprietary Name; developmental code name TAK-861) is an experimental orexin receptor agonist.[1][2] It acts as a selective agonist of the orexin OX2 receptor and was described in 2019 in a patent by Takeda Pharmaceutical Company.[3] Suntinorexton superseded firazorexton (TAK-994) as a clinical drug candidate following evidence of hepatoxicity in humans.[1] The drug has reached phase 3 clinical trials as of 2024.[1][4] It is orally active and centrally penetrant.[1]

Suntinorexton
Clinical data
Routes of
administration
By mouth[1]
Identifiers
  • N-[(2S,3S)-2-[[2-fluoro-3-(3-fluorophenyl)phenyl]methyl]-1-(2-hydroxy-2-methylpropanoyl)pyrrolidin-3-yl]ethanesulfonamide
CAS Number
PubChem CID
UNII
Chemical and physical data
FormulaC23H28F2N2O4S
Molar mass466.54 g·mol−1
3D model (JSmol)
  • CCS(=O)(=O)N[C@H]1CCN([C@H]1CC2=C(C(=CC=C2)C3=CC(=CC=C3)F)F)C(=O)C(C)(C)O
  • InChI=1S/C23H28F2N2O4S/c1-4-32(30,31)26-19-11-12-27(22(28)23(2,3)29)20(19)14-16-8-6-10-18(21(16)25)15-7-5-9-17(24)13-15/h5-10,13,19-20,26,29H,4,11-12,14H2,1-3H3/t19-,20-/m0/s1
  • Key:MQDUVMBBJZLFHF-PMACEKPBSA-N

See also

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References

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  1. ^ a b c d e Konofal, Eric (2024). "From past to future: 50 years of pharmacological interventions to treat narcolepsy". Pharmacology Biochemistry and Behavior. 241: 173804. doi:10.1016/j.pbb.2024.173804.
  2. ^ "International Nonproprietary Names for Pharmaceutical Substances (INN)" (PDF). WHO Drug Information. 34 (1): 93–269. 2020. Proposed INN: List 123
  3. ^ WO application 2019027058, Kajita Y, Mikami S, Miyanohana Y, Koike T, Daini M, Oyabu N, Ogino M, Takeuchi K, Ito Y, Tokunaga N, Sugimoto T, Miyazaki T, Oda T, Hoashi Y, Hattori Y, Imamura K, "Heterocyclic compound and use therof", published 2019-02-07, assigned to Takeda Pharmaceutical Company. 
  4. ^ "TAK 861". AdisInsight. 12 July 2024. Retrieved 30 July 2024.