PF-4363467 hydrochloride is a Dopamine D3/D2 receptor antagonist. PF-4363467 has 100-fold selectivity for D3 with a Ki value of 3.1 nM for D3R compared to a Ki value of 692 nM for D2R and high selectivity for D3R compared to other biogenic amine receptors. PF-4363467 attenuated opioid drug-seeking behavior in a rat model of addiction without causing the extrapyramidal symptoms often associated with D2R antagonism.
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