Cardinaletti C, Mattioli L, Ghelfi F, Del Bello F, Giannella M, Bruzzone A, Paris H, Perfumi M, Piergentili A, Quaglia W, Pigini M
Might Adrenergic alpha(2C)-Agonists/alpha(2A)-Antagonists Become Novel Therapeutic Tools for Pain Treatment with Morphine? (1). [JOURNAL ARTICLE]
J Med Chem 2009 Nov 3.
The imidazoline nucleus linked in position 2 via an oxyethylene bridge to a phenyl ring carrying an ortho substituent of moderate steric bulk provided alpha(2)-adrenergic (AR) ligands endowed with significant alpha(2C)-agonism/alpha(2A)-antagonism. Similar behavior was displayed by cirazoline (12). For their positive morphine analgesia modulation (due to alpha(2C)-AR stimulation) and sedation overcoming (due to alpha(2A)-AR antagonism), 8 and 11 might be useful as adjuvant agents in the management of pain with morphine.
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