Antipsychotic medications for the treatment of delirium: a systematic review and meta-analysis of randomised controlled trials

Journal of Neurology, Neurosurgery, and Psychiatry
Taro KishiNakao Iwata

Abstract

We performed an updated meta-analysis of antipsychotic treatment in patients with delirium, based on a previous meta-analysis published in 2007. Included in this study were randomised, placebo-controlled or usual care (UC) controlled trials of antipsychotics in adult patients with delirium. Our primary outcome measure was response rate at the study end point. The secondary outcome measures included improvement of severity of delirium, Clinical Global Impression-Severity Scale (CGI-S), time to response (TTR), discontinuation rate and individual adverse effects. The risk ratio (RR), the number-needed-to-treat/harm (NNT/NNH), 95% CIs and standardised mean difference (SMD), were calculated. We identified 15 studies (mean duration: 9.8 days) for the systematic review (total n=949, amisulpride=20, aripiprazole=8, chlorpromazine=13, haloperidol=316, intramuscular olanzapine or haloperidol injection=62, olanzapine=144, placebo=75, quetiapine=125, risperidone=124, UC=30 and ziprasidone=32), 4 of which were conference abstracts and unpublished. When pooled as a group, antipsychotics were superior to placebo/UC in terms of response rate (RR=0.22, NNT=2), delirium severity scales scores (SMD=-1.27), CGI-S scores (SMD=-1.57) and TTR (SMD=-1...Continue Reading

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Citations

Sep 14, 2016·Evidence-based Mental Health·Taro Kishi
Jun 24, 2017·Evidence-based Medicine·Soenke Boettger, Josef Jenewein
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Aug 20, 2021·Journal of Clinical Psychopharmacology·Kazumaro OkinoAtsuko Inamoto

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