In addition, a SPECT imaging study in schizophrenic patients revealed that olanzapine-responsive patients had lower striatal D2 occupancy than some other antipsychotic- and risperidone-responsive patients, while being comparable to clozapine-responsive patients.
Lisaks eelnevale nähtus skisofreeniapatsientide üksikfootoni kompuuter- emissioontomograafilisest uuringust, et olansapiinravile alluvatel patsientidel esines madalam juttkeha D2 retseptorite hõivatus kui mõnele muule antipsühhootilisele ravimile ja risperidoonile alluvatel patsientidel, kuid olles võrreldav klosapiinile reageerivate patsientidega.