|Systematic (IUPAC) name|
|Mol. mass||231.333 g/mol|
|(what is this?)|
Metazocine is an opioid analgesic related to pentazocine. While metazocine has significant analgesic effects, mediated through a mixed agonist–antagonist action at the mu opioid receptor, its clinical use is limited by dysphoric and hallucinogenic effects which are most likely caused by activity at kappa opioid receptors (where it is a high-efficacy agonist) and/or sigma receptors.
- Hori M, Ban M, Imai E, Iwata N, Suzuki Y, Baba Y, Morita T, Fujimura H, Nozaki M, Niwa M. Novel nonnarcotic analgesics with an improved therapeutic ratio. Structure-activity relationships of 8-(methylthio)- and 8-(acylthio)-1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocines. Journal of Medicinal Chemistry. 1985 Nov;28(11):1656-61.
- Berzetei-Gurske I, Loew GH. The novel antagonist profile of (-)metazocine. Progress in Clinical and Biological Research. 1990;328:33-6.
- Gharagozlou P, Demirci H, David Clark J, Lameh J. Activity of opioid ligands in cells expressing cloned mu opioid receptors. BMC Pharmacology. 2003 Jan 4;3:1.
- Gharagozlou P, Hashemi E, DeLorey TM, Clark JD, Lameh J. Pharmacological profiles of opioid ligands at kappa opioid receptors. BMC Pharmacology. 2006 Jan 25;6:3.
- Shannon HE. Pharmacological analysis of the phencyclidine-like discriminative stimulus properties of narcotic derivatives in rats. Journal of Pharmacology and Experimental Therapeutics. 1982 Jul;222(1):146-51.
- Slifer BL, Balster RL, May EL. Reinforcing and phencyclidine-like stimulus properties of enantiomers of metazocine. Pharmacology, Biochemistry and Behaviour. 1986 Oct;25(4):785-9.