MK-6096

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Description

MK-6096 is an orally bioavailable potent and selective reversible antagonist of Orexin 1 Receptor (OX(1)R) and Orexin 2 Receptor (OX(2)R). In radioligand binding and functional cell based assays MK-6096 demonstrated potent binding and antagonism of both human OX(1)R and OX(2)R (<3 nM in binding, 11 nM in FLIPR), with no significant off-target activities against a panel of >170 receptors and enzymes. MK-6096 occupies 90% of human OX(2)Rs expressed in transgenic rats at a plasma concentration of 142 nM, and dose-dependently reduced locomotor activity and significantly increased sleep in rats (3-30 mg/kg) and dogs (0.25 and 0.5 mg/kg). MK-6096 represents a novel and selective therapeutic for the treatment of insomnia. MK-6096 has exceptional in vivo activity in preclinical sleep models.

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