The medication activates the kappa opioid receptor (KOR), which binds to opioid-like compounds in the central and peripheral nervous systems to alleviate pain, resulting in targeted pain relief with a reduced risk of addiction.
To read more, visit https://news.keckmedicine.org/significantly-less-addictive-opioid-may-slow-progression-of-osteoarthritis-while-easing-pain.