Dopamine D4 receptor antagonist-1 is a selective DRD4 antagonists, with a Ki of 9.0 nM for Hd4.2. Dopamine D4 receptor antagonist-1 can be used in study of schizophrenia[1].
Dopamine D4 receptor antagonist-1 (10 mg/kg; i.p.; single) shows inhibitory effect on catecholaminergic systems (DOPA accumulation in the hippocampus)[1].
References:
[1]. Pugsley TA, et al. The discovery of PD 89211 and related compounds: selective dopamine D4 receptor antagonists. Prog Neuropsychopharmacol Biol Psychiatry. 2002 Feb;26(2):219-26.
















