Comparative risk of Parkinsonism associated with olanzapine, risperidone and quetiapine in older adults-a propensity score matched cohort study.
Te-Yuan ChyouRevathi NishtalaPrasad S NishtalaPublished in: Pharmacoepidemiology and drug safety (2020)
The study found that the risk of new-onset Parkinsonism in older adults is 31% and 76% higher with risperidone and olanzapine respectively compared to quetiapine.