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Background:   The purpose of this review is to evaluate the data on the use of antipsychotics in individuals with dementia from meta-analyses.Methods:   We performed a literature search of PubMed, MEDLINE, EMBASE, PsycINFO and Cochrane collaboration databases through 30 November, 2015 using the following keywords: ‘antipsychotics’, ‘dementia’ and ‘meta-analysis’. The search was not restricted by the age of the patients or the language of the study. However, in the final analysis we only included studies involving patients that were published in English language journals or had official English translations. In addition, we reviewed the bibliographic databases of published articles for additional studies.Results:   This systematic review of the literature identified a total of 16 meta-analyses that evaluated the use of antipsychotics in individuals with dementia. Overall, 12 meta-analyses evaluated the efficacy of antipsychotics among individuals with dementia. Of these, eight also assessed adverse effects. A further two studies evaluated the adverse effects of antipsychotics (i.e. death). A total of two meta-analyses evaluated the discontinuation of antipsychotics in individuals with dementia. Overall, three meta-analyses were conducted in individuals with Alzheimer’s disease (AD) whereas one focused on individuals with Lewy Body Dementia (LBD). The rest of the 12 meta-analyses included individuals with dementia.Conclusions:   Antipsychotics have demonstrated modest efficacy in treating psychosis, aggression and agitation in individuals with dementia. Their use in individuals with dementia is often limited by their adverse effect profile. The use of antipsychotics should be reserved for severe symptoms that have failed to respond adequately to nonpharmacological management strategies.

Antipsychotic use in dementia: a systematic review of benefits and risks from meta-analyses