In addition to its actions on the opioid receptor, previous studies have owed its action to its effect on the serotonin receptor dopamine (D2/3) receptors and glutamate receptors.
ນອກເຫນືອໄປຈາກການກະທໍາຂອງຕົນກ່ຽວກັບຜູ້ຮັບ opioid, ການສຶກສາທີ່ຜ່ານມາມີການກະທໍາຕໍ່ຜົນກະທົບຂອງມັນຕໍ່ກັບ receptor serotonin receptor dopamine (D2 / 3) ແລະ receptors glutamate.