Oct 30, 2018 Mortality Rates in Parkinson Disease Psychosis With Pimavanserin, Quetiapine Mortality Rates in Parkinson Disease Psychosis With Pimavanserin, Quetiapine... with pimavanserin has a lower risk for mortality compared with quetiapine or combination therapy, according to results published in Neurology. ... read morePublished on 2018-10-30