Ralfinamide
Clinical data
ATC code
  • None
Identifiers
  • N2-{4-[(2-Fluorobenzyl)oxy]benzyl}-L-alaninamide
CAS Number
PubChem CID
ChemSpider
UNII
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.120.272
Chemical and physical data
FormulaC17H19FN2O2
Molar mass302.349 g·mol−1
3D model (JSmol)
  • C[C@@H](C(=O)N)NCc1ccc(cc1)OCc2ccccc2F
  • InChI=1S/C17H19FN2O2/c1-12(17(19)21)20-10-13-6-8-15(9-7-13)22-11-14-4-2-3-5-16(14)18/h2-9,12,20H,10-11H2,1H3,(H2,19,21)/t12-/m0/s1
  • Key:BHJIBOFHEFDSAU-LBPRGKRZSA-N

Ralfinamide (INN) (code names NW-1029, FCE-26742A, PNU-0154339E)[1] is a multimodal drug which is under investigation by Newron Pharmaceuticals for the treatment of neuropathic pain and other pain conditions such as post-operative dental pain.[2][3][4][5]

It has a relatively complex pharmacology, acting as a mixed voltage-gated sodium channel blocker (including Nav1.7),[2][3] N-type calcium channel blocker,[2][3] noncompetitive NMDA receptor antagonist,[6] and monoamine oxidase B inhibitor.[7][8]

It has thus far progressed as far as phase IIb/phase III clinical trials.[5][9] In 2010 it failed a phase II trial for lower back pain.[10] Encouraging Phase II results have been announced for neuropathic pain.[11]

See also

References

  1. ↑ Action A, ed. (22 July 2013). "Chapter 8: Therapies and Treatments". Pain: New Insights for the Healthcare Professional (2013 ed.). ScholarlyEditions. pp. 506–. ISBN 978-1-4816-6118-8.
  2. 1 2 3 Gilron I (21 June 2012). "Drug Discovery for Neuropathic Pain". In Simpson DM, McArthur JC, Dworkin RH (eds.). Neuropathic Pain: Mechanisms, Diagnosis and Treatment. Oxford University Press. pp. 40–. ISBN 978-0-19-539470-2.
  3. 1 2 3 Rodger IW, Lacouture PG (14 October 2010). "Overview: Novel Targets for New Analgesics". In Sinatra RS, Jahr JS, Watkins-Pitchford JM (eds.). The Essence of Analgesia and Analgesics. Cambridge University Press. pp. 436–. ISBN 978-1-139-49198-3.
  4. ↑ Termin A, Martinborough E, Wilson D (17 December 2008). "Recent Advances in Voltage-Gated Sodium Chanel Blockers: Therapeutic Potential as Drug Targets in the CNS". Annual Reports in Medicinal Chemistry. Academic Press. pp. 55–. ISBN 978-0-08-092187-7.
  5. 1 2 Liu Y, Qin N (26 January 2010). "Pharacological Modulation of Ion Channels for the Treatment of Chronic Pain". In Lu C, Li AP (eds.). Enzyme Inhibition in Drug Discovery and Development: The Good and the Bad. John Wiley & Sons. pp. 689–. ISBN 978-0-470-53894-4.
  6. ↑ Colombo E, Curatolo L, Caccia C, Salvati P, Faravelli L (2007). "344 Ralfinamide Acts Through Nmda Receptor Complex: A Central Role for Chronic Pain Treatment". European Journal of Pain. 11 (S1): S152–S153. doi:10.1016/j.ejpain.2007.03.359. ISSN 1090-3801. S2CID 58186567.
  7. ↑ Di Stefano AF, Radicioni MM, Rusca A (May 2013). "Pressor response to oral tyramine and monoamine oxidase inhibition during treatment with ralfinamide (NW-1029)". Neurotoxicity Research. 23 (4): 315–326. doi:10.1007/s12640-012-9344-5. PMID 22872464. S2CID 207442119.
  8. ↑ Rang HP, Dale MM, Ritter JM, Flower RJ, Henderson G (14 April 2011). Rang & Dale's Pharmacology: with STUDENT CONSULT Online Access. Elsevier Health Sciences. pp. 2476–. ISBN 978-0-7020-4504-2.
  9. ↑ Bowlby MR, Kaftan (9 December 2008). "Sodium Channel Blockers for the Treatment of Chronic Pain". In Gribkoff VK, Kaczmarek LK (eds.). Structure, Function and Modulation of Neuronal Voltage-Gated Ion Channels. John Wiley & Sons. pp. 377–. ISBN 978-0-470-42989-1.
  10. ↑ "Newron reports SERENA trial top-line results for ralfinamide". Bloomberg. 6 May 2010. Archived from the original on 24 September 2015.
  11. ↑ "Newron Announces Positive Results With Ralfinamide From Phase II Trial in Neuropathic Pain". PR Newswire. 26 October 2014. Archived from the original on 20 February 2015.
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