Flumexadol (INN) (developmental code name CERM-1841 or 1841-CERM) is a drug described and researched as a non-opioid analgesic which was never marketed.[1][2][3][4] It has been found to act as an agonist of the serotonin 5-HT1A (pKi = 7.1) and 5-HT2C (pKi = 7.5) receptors and, to a much lesser extent, of the 5-HT2A (pKi = 6.0) receptor.[5][6] According to Nilsson (2006) in a paper on 5-HT2C receptor agonists as potential anorectics, "The (+)-enantiomer of this compound showed [...] affinity for the 5-HT2C receptor (Ki) 25 nM) [...] and was 40-fold selective over the 5-HT2A receptor in receptor binding studies. Curiously, the racemic version [...], also known as 1841 CERM, was originally reported to possess analgesic properties while no association with 5-HT2C receptor activity was mentioned."[4] It is implied that flumexadol might be employable as an anorectic in addition to analgesic.[4] Though flumexadol itself has never been approved for medical use, oxaflozane (brand name Conflictan) is a prodrug of the compound that was formerly used clinically in France as an antidepressant and anxiolytic agent.[5][7][8]
^Elks J (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 561–. ISBN 978-1-4757-2085-3.
^Hache J, Diamantis W, Sofia D, Streichenberger G (1978). "The pharmacology of 1841 CERM, a new analgesic". Arzneimittel-Forschung. 28 (4): 642–645. PMID 312104.
^Kucharczyk N, Yang JT, Valia KH, Stiefel FJ, Sofia RD (November 1979). "Metabolites of 2-(3-trifluoromethylphenyl)tetrahydro-1,4-oxazine (CERM) 1841) in rats and dogs". Xenobiotica; the Fate of Foreign Compounds in Biological Systems. 9 (11): 703–711. doi:10.3109/00498257909042338. PMID 532219.
^ abBégué JP, Bonnet-Delpon D (2 June 2008). Bioorganic and Medicinal Chemistry of Fluorine. John Wiley & Sons. pp. 303–. ISBN 978-0-470-28187-1.
^Leysen DC (February 1999). "Selective 5-HT2C agonists as potential antidepressants". IDrugs. 2 (2): 109–120. PMID 16160946.
^Elks J (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 909–. ISBN 978-1-4757-2085-3.
^Swiss Pharmaceutical Society (2000). Index Nominum 2000: International Drug Directory (Book with CD-ROM). Boca Raton: Medpharm Scientific Publishers. p. 766. ISBN 3-88763-075-0.
Flumexadol (INN) (developmental code name CERM-1841 or 1841-CERM) is a drug described and researched as a non-opioid analgesic which was never marketed...
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