The ED50 of J-2156 in rats for the relief of mechanical allodynia and mechanical hyperalgesia in the ipsilateral hindpaws was 3.7 and 8.0 mg/kg, respectively. J-2156 is a high potent, selective somatostatin receptor type 4 (SST4 receptor) agonist with IC50s of 0.05 nM and 0.07 nM for human and rat SST4 receptors, respectively.