(R)-Mirtazapine ((R)-Org3770) is a R(-)-enantiomer of Mirtazapine with antinociceptive properties in an animal model of acute thermal nociception. (R)-Mirtazapine is a 5-HT3 receptor antagonist. (R)-Mirtazapine is mainly metabolized by CYP3A4[1].
[1]. Muth-Selbach U, et al. Racemic intrathecal mirtazapine but not its enantiomers acts anti-neuropathic after chronic constriction injury in rats. Brain Res Bull. 2009 Apr 6;79(1):63-8.
















