Nepicastat
Names
Preferred IUPAC name
5-(Aminomethyl)-1-[(2S)-5,7-difluoro-1,2,3,4-tetrahydronaphthalen-2-yl]-1,3-dihydro-2H-imidazole-2-thione
Other names
SYN-117
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
MeSH Nepicastat
UNII
  • InChI=1S/C14H15F2N3S/c15-9-3-8-4-10(1-2-12(8)13(16)5-9)19-11(6-17)7-18-14(19)20/h3,5,7,10H,1-2,4,6,17H2,(H,18,20)/t10-/m0/s1 checkY
    Key: YZZVIKDAOTXDEB-JTQLQIEISA-N checkY
  • InChI=1/C14H15F2N3S/c15-9-3-8-4-10(1-2-12(8)13(16)5-9)19-11(6-17)7-18-14(19)20/h3,5,7,10H,1-2,4,6,17H2,(H,18,20)/t10-/m0/s1
    Key: YZZVIKDAOTXDEB-JTQLQIEIBJ
  • Fc1cc3c(c(F)c1)CC[C@H](N2/C(=C\NC2=S)CN)C3
Properties
C14H15F2N3S
Molar mass 295.35 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Nepicastat (INN, codenamed SYN117, RS-25560-197) is an inhibitor of dopamine beta-hydroxylase, an enzyme that catalyzes the conversion of dopamine to norepinephrine.[1]

It has been studied as a possible treatment for congestive heart failure, and appears to be well tolerated as such.[2] As of 2012, clinical trials to assess nepicastat as a treatment for post-traumatic stress disorder (PTSD) and cocaine dependence have been completed.[3][4] In Phase 2 study treatment with nepicastat was not effective in relieving PTSD-associated symptoms when compared to placebo. The study was funded by the U.S. Department of Defense.[5]

References

  1. ^ Stanley WC, Li B, Bonhaus DW, et al. (August 1997). "Catecholamine modulatory effects of nepicastat (RS-25560-197), a novel, potent and selective inhibitor of dopamine-beta-hydroxylase". Br J Pharmacol. 121 (8): 1803–9. doi:10.1038/sj.bjp.0701315. PMC 1564872. PMID 9283721.
  2. ^ Hegde SS, Friday KF (December 1998). "Dopamine-beta-hydroxylase inhibition: a novel sympatho-modulatory approach for the treatment of congestive heart failure". Current Pharmaceutical Design. 4 (6): 469–79. PMID 10197057.
  3. ^ "Pharmacogenetic Clinical Trial of Nepicastat for Post Traumatic Stress Disorder (PTSD)". ClinicalTrials.gov. U.S. National Institutes of Health. June 4, 2008. Retrieved on February 1, 2012.
  4. ^ "Study of Safety and Potential Efficacy of SYN117 in Cocaine Dependent Volunteers". ClinicalTrials.gov. U.S. National Institutes of Health. August 15, 2008. Retrieved on February 1, 2012.
  5. ^ Biotie reports top-line data from clinical study with nepicastat (SYN117) in post-traumatic stress disorder BIOTIE THERAPIES CORP. STOCK EXCHANGE RELEASE 27 December 2012.


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