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Novel inhibitors of fatty acid amide hydrolase.
Bioorg Med Chem Lett. 2007 Jun 15;17(12):3287-91
Authors: Sit SY, Conway C, Bertekap R, Xie K, Bourin C, Burris K, Deng H
A class of bisarylimidazole derivatives are identified as potent inhibitors of the enzyme fatty acid amide hydrolase (FAAH). Compound 17 (IC(50)=2 nM) dose-dependently (0.1-10mg/kg, iv) potentiates the effects of exogenous anandamide (1 mg/kg, iv) in a rat thermal escape test (Hargreaves test), and shows robust antinociceptive activity in animal models of persistent (formalin test) and neuropathic (Chung model) pain. Compound 17 (20 mg/kg, iv) demonstrates activity in the formalin test that is comparable to morphine (3mg/kg, iv), and is dose-dependently inhibited by the CB1 antagonist SR141716A. In the Chung model, compound 17 shows antineuropathic effects similar to high-dose (100 mg/kg) gabapentin. FAAH inhibition shows potential utility for the clinical treatment of persistent and neuropathic pain.
PMID: 17459705 [PubMed - indexed for MEDLINE]
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