“But overall the drug was really well tolerated and was effective,” she said.
There also was no increase in mortality detected in users, providing evidence against an association with mortality in older people with dementia-related psychosis that previously led to a boxed warning for atypical antipsychotics, noted senior author Daniel O. Claassen, MD. A total of 6 of the 88 patients died, compared with 5 of the 14 patients who never started the drug.
Patients who stopped pimavanserin and started another antipsychotic had only limited success. Of 11 patients who stopped pimavanserin and started another antipsychotic, only 5 were successful. Another six who stopped pimavanserin did not take another antipsychotic drug, primarily because of the resolution of their symptoms.
The pimavanserin status was unknown for four patients, and another three patients who stopped the drug had not returned for follow-up.