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Clinical data
Routes of
By mouth, topical
ATC code
  • None
CAS Number
PubChem CID
Chemical and physical data
Molar mass429.34547 g/mol g·mol−1
3D model (JSmol)

Funapide (INN) (former developmental code names TV-45070 and XEN402) is a novel analgesic under development by Xenon Pharmaceuticals (formerly in partnership with Teva Pharmaceutical Industries) for the treatment of a variety of chronic pain conditions, including osteoarthritis, neuropathic pain, postherpetic neuralgia, and erythromelalgia, as well as dental pain.[1][2][3][4] It acts as a small-molecule Nav1.7 and Nav1.8 voltage-gated sodium channel blocker.[1][2][4] Funapide is being evaluated in humans in both oral and topical formulations, and as of July 2014, has reached phase IIb clinical trials.[1][3]

See also[edit]


  1. ^ a b c Bagal, Sharan K.; Chapman, Mark L.; Marron, Brian E.; Prime, Rebecca; Ian Storer, R.; Swain, Nigel A. (2014). "Recent progress in sodium channel modulators for pain". Bioorganic & Medicinal Chemistry Letters. 24 (16): 3690–9. doi:10.1016/j.bmcl.2014.06.038. ISSN 0960-894X. PMID 25060923.
  2. ^ a b Stephen McMahon; Martin Koltzenburg; Irene Tracey; Dennis C. Turk (1 March 2013). Wall & Melzack's Textbook of Pain: Expert Consult - Online. Elsevier Health Sciences. p. 508. ISBN 0-7020-5374-0.
  3. ^ a b Xenon Pharma. "TV-45070: A Small Molecule for the Treatment of the Orphan Disease EM and Other Pain Disorders".
  4. ^ a b Xenon Pharma (2012). "Teva and Xenon Announce Teva's World Wide License of Xenon's Pain Drug XEN402".

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