Buprenorphine is:
paial agonist at mu Receptor
Paial agonist at kappa Receptor
Full Agonist at mu Receptor
Full Agonist at kappa Receptor
Ref : Katzung 11/e p546 *Buprenorphine appears to be a paial agonist at mu Receptor and antagonist at kappa Receptor.
Central Nervous system