Copyright ©The Author(s) 2019.
World J Psychiatr. Jun 10, 2019; 9(3): 47-54
Published online Jun 10, 2019. doi: 10.5498/wjp.v9.i3.47
Table 1 Quality of studies reviewed
Name of publication of studyYrRandom-ization?Similar groups initially?Equal treatments?All participants accounted for?Analyzed in groups to which they were randomized?Objective/“blind” treatments?Overall quality of the study
Meltzer et al[23]2010YesYesYesYesYesYesGood
Cummings et al[24]2014YesYesYesYesYesYesGood
Table 2 Summary of studies
Name of studyYrCountry of originTotal number of participantsAgeType of settingComparatorsDuration
Meltzer et al[23]2010United States60Mean age 70.9 yrUnclearPimavanserin vs placebo4 wk
Cummings et al[24]2014United States and Canada199Mean age 72.4 yrAcademic hospitals and neurology research centersPimavanserin vs placebo6 wk