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Fipamezole

From Wikipedia, the free encyclopedia

Pharmaceutical compound
Fipamezole
Clinical data
Other namesBVF-025; BVF025; JP-1730; JP1730
Routes of
administration
Oral[1][2]
Drug classα2-Adrenergic receptor antagonist
ATC code
  • None
Pharmacokinetic data
Eliminationhalf-life1.2–3.5 hours[3]
Identifiers
  • 5-(2-ethyl-5-fluoro-1,3-dihydroinden-2-yl)-1H-imidazole
CAS Number
PubChemCID
DrugBank
UNII
ChEMBL
Chemical and physical data
FormulaC14H15FN2
Molar mass230.286 g·mol−1
3D model (JSmol)
  • CCC1(CC2=C(C1)C=C(C=C2)F)C3=CN=CN3
  • InChI=1S/C14H15FN2/c1-2-14(13-8-16-9-17-13)6-10-3-4-12(15)5-11(10)7-14/h3-5,8-9H,2,6-7H2,1H3,(H,16,17)
  • Key:KXSUAWAUCNFBQJ-UHFFFAOYSA-N

Fipamezole (INNTooltip International Nonproprietary Name; developmental code namesBVF-025 andJP-1730) is anα2-adrenergic receptorantagonist which was under development for the treatment ofParkinson's disease but was never marketed.[3][1][4][2][5] It is takenorally.[1][2]

The drug is apotent antagonist of theα2A-,α2B-, andα2C-adrenergic receptors (Ki = 9.2 nM, 17 nM, and 55 nM, respectively).[3][5] It also shows loweraffinity for thehistamineH1 andH3 receptors and for theserotonin transporter (SERT) (IC50Tooltip half-maximal inhibitory concentration = 100–1,000 nM).[5] The drug reduceslevodopa-induceddyskinesia and enhances levodopa'santiparkinsonian effects in rodents and monkeys.[3][5][6]Side effects of fipamezole in humans occurring more often than withplacebo included mild transientlyincreased blood pressure,nausea andvomiting,dysgeusia, oralhypoesthesia, andflushing.[7]

Thechemical synthesis of fipamezole has been described.[3] It is made by theBalz-Schiemann reaction onAtipamezole.[8]

Fipamezole was first described in thescientific literature by 1999.[9] It was under development by Juvantia Pharma and Santhera Pharmaceuticals.[1][4] The drug reachedphase 2clinical trials prior to the discontinuation of its development.[1][4][2][3] Fipamezole missed its primary efficacy endpoint in the FJORD phase 2b trial published in 2012.[10][7]

See also

[edit]

References

[edit]
  1. ^abcde"Fipamezole".AdisInsight. 5 November 2023. Retrieved1 February 2026.
  2. ^abcd"Fipamezole Drug Profile".Ozmosi. 1 January 1900. Retrieved1 February 2026.
  3. ^abcdefSorbera LA, Castaner J, Bayes M (2003)."Fipamezole Hydrochloride".Drugs of the Future.28 (1): 0014.doi:10.1358/dof.2003.028.01.716125. Retrieved1 February 2026.
  4. ^abc"Delving into the Latest Updates on Fipamezole Hydrochloride with Synapse".Synapse. 31 January 2026. Retrieved1 February 2026.
  5. ^abcdSavola JM, Hill M, Engstrom M, Merivuori H, Wurster S, McGuire SG, et al. (August 2003). "Fipamezole (JP-1730) is a potent alpha2 adrenergic receptor antagonist that reduces levodopa-induced dyskinesia in the MPTP-lesioned primate model of Parkinson's disease".Movement Disorders.18 (8):872–883.doi:10.1002/mds.10464.PMID 12889076.
  6. ^Johnston TH, Fox SH, Piggott MJ, Savola JM, Brotchie JM (October 2010). "The α₂ adrenergic antagonist fipamezole improves quality of levodopa action in Parkinsonian primates".Movement Disorders.25 (13):2084–2093.doi:10.1002/mds.23172.PMID 20824735.
  7. ^abLewitt PA, Hauser RA, Lu M, Nicholas AP, Weiner W, Coppard N, et al. (July 2012). "Randomized clinical trial of fipamezole for dyskinesia in Parkinson disease (FJORD study)".Neurology.79 (2):163–169.doi:10.1212/WNL.0b013e31825f0451.PMID 22744665.
  8. ^WO 1993/013074, Karjalainen AJ, Virtanen RE, Karjalainen AL, Eloranta MM, Salonen JS, Sipilä HT, Haapalinna AS, "Substituted imidazole derivatives and their preparation and use", published 8 July 1993, assigned to Orion Oyj 
  9. ^Honkanen A, Ingman K, Korpi ER, Savola JM (1999)."JP 1730, a novel alpha2-adrenoceptor antagonist, enhances apomorphine-and l-dopa-induced circling behavior in the rat".Abstracts - Society for Neuroscience.25: 1344.
  10. ^Fox SH (September 2013). "Non-dopaminergic treatments for motor control in Parkinson's disease".Drugs.73 (13):1405–1415.doi:10.1007/s40265-013-0105-4.PMID 23917951.
α1
Agonists
Antagonists
α2
Agonists
Antagonists
β
Agonists
Antagonists
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