Comparison of Pimavanserin Versus Quetiapine for Hospitalization and Mortality Risk Among Medicare Beneficiaries with Parkinson's Disease Psychosis.

Risk of hospitalization was lower in pimavanserin users compared with quetiapine, and no difference in mortality was observed between pimavanserin and quetiapine. An active comparator analyses with treatment alternatives provided the most clinically relevant information for patients and physicians.