Roxindole
Clinical data
ATC code
  • none
Identifiers
  • 3-[4-(4-phenyl-3,6-dihydro-2H-pyridin-1-yl)butyl]-1H-indol-5-ol
CAS Number
PubChem CID
IUPHAR/BPS
ChemSpider
UNII
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC23H26N2O
Molar mass346.474 g·mol−1
3D model (JSmol)
  • Oc1ccc2c(c1)c(c[nH]2)CCCCN4C/C=C(/c3ccccc3)CC4

Roxindole (EMD-49,980) is a dopaminergic and serotonergic drug which was originally developed by Merck KGaA for the treatment of schizophrenia.[1][2][3] In clinical trials its antipsychotic efficacy was only modest but it was unexpectedly found to produce potent and rapid antidepressant and anxiolytic effects.[2][3] As a result, roxindole was further researched for the treatment of depression instead.[1][4] It has also been investigated as a therapy for Parkinson's disease and prolactinoma.[5][6]

Roxindole acts as an agonist at the following receptors:[7][8]

At D2 and possibly D3 receptors roxindole is a partial agonist with preferential actions at autoreceptors and has been touted as a 'selective' autoreceptor agonist, hence the justification of its application as an antipsychotic.[9][10] Weaker activity at the serotonin 1B and 1D receptors has been seen.[11] It is also a serotonin reuptake inhibitor (IC50 = 1.4 nM) and has been reported to act as a 5-HT2A receptor antagonist as well.[8][9][10][12]

References

  1. 1 2 Gründer G, Wetzel H, Hammes E, Benkert O (1993). "Roxindole, a dopamine autoreceptor agonist, in the treatment of major depression". Psychopharmacology. 111 (1): 123–6. doi:10.1007/BF02257418. PMID 7870927. S2CID 8154586.
  2. 1 2 Klimke A, Klieser E (July 1991). "Antipsychotic efficacy of the dopaminergic autoreceptor agonist EMD 49980 (Roxindol). Results of an open clinical study". Pharmacopsychiatry. 24 (4): 107–12. doi:10.1055/s-2007-1014451. PMID 1684439.
  3. 1 2 Kasper S, Fuger J, Zinner HJ, Bäuml J, Möller HJ (March 1992). "Early clinical results with the neuroleptic roxindole (EMD 49,980) in the treatment of schizophrenia--an open study". European Neuropsychopharmacology. 2 (1): 91–5. doi:10.1016/0924-977X(92)90041-6. PMID 1353388. S2CID 21861347.
  4. ↑ Maj J, Kolodziejczyk K, Rogóz Z, Skuza G (1996). "Roxindole, a potential antidepressant. I. Effect on the dopamine system". Journal of Neural Transmission. 103 (5): 627–41. doi:10.1007/bf01273159. PMID 8811507. S2CID 33701841.
  5. ↑ Bravi D, Davis TL, Mouradian MM, Chase TN (April 1993). "Treatment of Parkinson's disease with the partial dopamine agonist EMD 49980". Movement Disorders. 8 (2): 195–7. doi:10.1002/mds.870080214. PMID 8097280. S2CID 23676084.
  6. ↑ Jaspers C, Benker G, Reinwein D (June 1994). "Treatment of prolactinoma patients with the new non-ergot dopamine agonist roxindol: first results". The Clinical Investigator. 72 (6): 451–6. doi:10.1007/bf00180520. PMID 7950157. S2CID 532184.
  7. ↑ Newman-Tancredi A, Cussac D, Audinot V, Millan MJ (June 1999). "Actions of roxindole at recombinant human dopamine D2, D3 and D4 and serotonin 5-HT1A, 5-HT1B and 5-HT1D receptors". Naunyn-Schmiedeberg's Archives of Pharmacology. 359 (6): 447–53. doi:10.1007/pl00005374. PMID 10431754. S2CID 19721911. Archived from the original on 2013-02-11.
  8. 1 2 Heinrich T, Böttcher H, Bartoszyk GD, Greiner HE, Seyfried CA, Van Amsterdam C (September 2004). "Indolebutylamines as selective 5-HT(1A) agonists". Journal of Medicinal Chemistry. 47 (19): 4677–83. doi:10.1021/jm040792y. PMID 15341483.
  9. 1 2 Seyfried CA, Greiner HE, Haase AF (January 1989). "Biochemical and functional studies on EMD 49,980: a potent, selectively presynaptic D-2 dopamine agonist with actions on serotonin systems". European Journal of Pharmacology. 160 (1): 31–41. doi:10.1016/0014-2999(89)90651-1. PMID 2565817.
  10. 1 2 Bartoszyk GD, Harting J, Minck KO (January 1996). "Roxindole: psychopharmacological profile of a dopamine D2 autoreceptor agonist". The Journal of Pharmacology and Experimental Therapeutics. 276 (1): 41–48. PMID 8558454.
  11. ↑ Newman-Tancredi A, Cussac D, Audinot V, Millan MJ (June 1999). "Actions of roxindole at recombinant human dopamine D2, D3 and D4 and serotonin 5-HT1A, 5-HT1B and 5-HT1D receptors". Naunyn-Schmiedeberg's Archives of Pharmacology. 359 (6): 447–453. doi:10.1007/pl00005374. PMID 10431754. S2CID 19721911.
  12. ↑ Maj J, Kołodziejczyk K, Rogóz Z, Skuza G (March 1997). "Roxindole, a dopamine autoreceptor agonist with a potential antidepressant activity. II. Effects on the 5-hydroxytryptamine system". Pharmacopsychiatry. 30 (2): 55–61. doi:10.1055/s-2007-979483. PMID 9131725.
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