U 92016A is a selective SR-1A (5-HT1A receptor) agonist that displays high intrinsic activity (Ki values are 0.4, 7.7 and 36 nM for 5-HT1A, SR-1D (5-HT1D) and D2 receptors respectively and > 1000 nM for 5-HT2, D1, α1 and α2 receptors). Produces hypotension, hypothermia and 5-HT behavioral syndrome following p.o. administration.
Romero et al (1993) Novel 2-substituted tetrahydro-3H-benz[e]indolamines: highly potent and selective agonists acting at the 5-HT1A receptor as possible anxiolytics and antidepressants. J.Med.Chem. 36 2066. McCall et al (1994) Characterization of U-92016A as a selective, orally active, high intrinsic activity 5-hydroxytryptamine1A agonist. J.Pharmacol.Exp.Ther. 271 875.