In preclinical studies, olanzapine exhibited a range of receptor affinities (Ki; < 100 nM) for serotonin 5 HT2A/ 2C, 5 HT3, 5 HT6; dopamine D1, D2, D3, D4, D5; cholinergic muscarinic receptors m1-m5; α adrenergic; and histamine H1 receptors.
Prekliinilistes uuringutes on olansapiinil ilmnenud hulk afiinsusi (Ki; < 100 nM) – serotoniini 5 HT2A/ 2C -, 5 HT3 -, 5 HT6 -, dopamiini D1 -, D2 -, D3 -, D4 -, D5 -, koliinergiliste muskariini m1- m5 -, α 1- adrenergiliste ja histamiini H1- retseptorite suhtes.