"Chi dice che è impossibile non dovrebbe disturbare chi ce la sta facendo" – Albert Einstein.

Aripiprazole for autism spectrum disorders (ASD) (Review) THE COCHRANE COLLABORATION

Aripiprazole for autism spectrum disorders (ASD)

Heidi Ching1, Tamara Pringsheim2

1Albany Medical College, Albany, NY, USA. 2Clinical Assistant Professor, Department of Clinical Neurosciences and Pediatrics,

University of Calgary, Calgary, Canada

Contact address: Tamara Pringsheim, Clinical Assistant Professor, Department of Clinical Neurosciences and Pediatrics, University of

Calgary, Alberta Children’sHospital, C4-431, 2888 Shaganappi Trail NW, Calgary, Alberta, T3B 6A8, Canada. tmprings@ucalgary.ca.

Editorial group: Cochrane Developmental, Psychosocial and Learning Problems Group.

Publication status and date: New, published in Issue 5, 2012.

Review content assessed as up-to-date: 4 November 2011.

Citation: Ching H, Pringsheim T. Aripiprazole for autism spectrum disorders (ASD). Cochrane Database of Systematic Reviews 2012,

Issue 5. Art. No.: CD009043. DOI: 10.1002/14651858.CD009043.pub2.

Copyright © 2012 The Cochrane Collaboration. Published by JohnWiley & Sons, Ltd.

A B S T R A C T

Background

Autism spectrumdisorders (ASD) include AutisticDisorder, Asperger’sDisorder and PervasiveDevelopmentalDisorder NotOtherwise

Specified (PDD-NOS). Irritability related to ASD has been treated with antipsychotics. Aripiprazole, a third generation atypical antipsychotic, is a relatively new drug that has a unique mechanism of action different from other antipsychotics.

Objectives To determine the safety and efficacy of aripiprazole for individuals with ASD.

Search methods

We searched the following databases on 4th May 2011: Cochrane Central Register of Controlled Trials (CENTRAL) (2011, Issue

2), MEDLINE (1948 to April Week 3 2011), EMBASE (1980 to 2011 Week 17), PsycINFO (1887 to current), CINAHL (1937 to

current),WorldCat, ZETOC, Autism Data, Conference Proceedings Index-S, Conference Proceedings Index -SSH, ClinicalTrials.gov,

and WHO ICTRP. We searched for records published in 1990 or later, as this was the year aripiprazole became available.

Selection criteria

Randomized controlled trials of aripiprazole versus placebo for the treatment of individuals with a diagnosis of ASD.

Data collection and analysis

Two review authors independently collected, evaluated, and analyzed data. We performed meta-analysis for primary and secondary outcomes, when possible.

Main results

Two randomized controlled trials with similar methodology have evaluated the use of aripiprazole for a duration of eight weeks in 316 children with ASD. The included trials had a low risk of bias. Although we searched for studies across age groups, only studies in children and youths were found. Meta-analysis of study results revealed a mean improvement of 6.17 points on the Aberrant Behavior Checklist (ABC) irritability subscale, 7.93 points on the ABC hyperactivity subscale, and 2.66 points in the stereotypy subscale in children treated with aripiprazole relative to children treated with a placebo. In terms of adverse side effects, children treated with aripiprazole had a greater increase in weight with a mean increase of 1.13 kg relative to placebo, and had a higher risk ratio for sedation

(RR 4.28) and tremor (RR 10.26).

Aripiprazole for autism spectrum disorders (ASD) (Review)

Copyright © 2012 The Cochrane Collaboration. Published by JohnWiley & Sons, Ltd.

Authors’ conclusions

Evidence from two randomized controlled trials suggests that aripiprazole can be effective in treating some behavioral aspects of ASD in children. After treatment with aripiprazole, children showed less irritability, hyperactivity, and stereotypies (repetitive, purposeless actions). Notable side effects must be considered, however, such as weight gain, sedation, drooling, and tremor. Longer studies of aripiprazole in individuals with ASD would be useful to gain information on long-term safety and efficacy.

P L A I N L A N G U A G E S U M M A R Y

Aripiprazole for autism spectrum disorders (ASD)

Aripirazole is an antipsychotic medication that has been used to treat behavioral problems in individuals with autismspectrumdisorders.

The results of this review and its meta-analysis of two randomized controlled trials suggest that short-term treatment may be effective

in treating irritability, hyperactivity, and repetitive movements in children and youths with autism spectrum disorders, though both

weight gain and neurological side effects can occur. Due to the small number of studies performed, there are implications for research

to investigate real-world safety and effectiveness, as well as long-term safety and tolerability of the drug.

Aripiprazole for

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