Nepicastat

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]

Nepicastat
Names
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
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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Infobox references

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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