SoRI-9409 is a mixed
mu opioid receptor partial agonist and
delta opioid receptor
Delta commonly refers to:
* Delta (letter) (Δ or δ), a letter of the Greek alphabet
* River delta, at a river mouth
* D (NATO phonetic alphabet: "Delta")
* Delta Air Lines, US
* Delta variant of SARS-CoV-2 that causes COVID-19
Delta may also r ...
antagonist
An antagonist is a character in a story who is presented as the chief foe of the protagonist.
Etymology
The English word antagonist comes from the Greek ἀνταγωνιστής – ''antagonistēs'', "opponent, competitor, villain, enemy, riv ...
, used in biomedical research. It produces moderate analgesic effects without development of tolerance and with reduced withdrawal symptoms compared to standard opioid analgesics, as well as showing anti-addictive effects that may be useful in the treatment of
alcoholism.
References
{{Opioid receptor modulators
Delta-opioid receptor antagonists
4,5-Epoxymorphinans
Mu-opioid receptor agonists
Phenols
Semisynthetic opioids