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Original Paper

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Olanzapine in the Treatment of Behavioral Problems Associated with Autism: An Open-Label Trial in Kuwait

Fido A.a · Al-Saad S.b

Author affiliations

aDepartment of Psychiatry, Faculty of Medicine, Health Sciences Centre, Kuwait University, and bKuwait Autism Center, Kuwait

Corresponding Author

Dr. Abdullahi Fido, MD, MRCPsych

Department of Psychiatry, Faculty of Medicine, Health Sciences Centre

Kuwait University, PO Box 24923

Safat 13110 (Kuwait)

Tel. +965 533 0467, Fax +965 533 8904, E-Mail fido@hsc.edu.kw

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Med Princ Pract 2008;17:415–418

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Objectives: To study the efficacy and safety of olanzapine for the treatment of children with autism associated with disruptive behavior problems. Subjects and Methods: A prospective open-label trial was conducted on 40 male children (mean age 12.2 ± 2.2 years, range 7–17 years) meeting Diagnostic Statistical Manual IV criteria for autism. After a washout period from previous medications (2–14 days), patients received olanzapine (5–10 mg/day) for a 13-week treatment period. The primary efficacy measures were Aberrant Behavior Checklist (ABC) and Clinical Global Impressions-Severity (CGI-S) done at baseline and end of treatment. At the beginning and end of treatment, patients underwent laboratory and physical investigations: ECG, chest X-ray, urinalysis, serum chemistry, blood glucose and lipid profile, hematology and hepatitis B serology. Results: Paired comparison of baseline and 13-week endpoint scores showed significant reductions in ABC subscale scores for irritability (p < 0.0001), lethargy (p < 0.0001), stereotyped behavior (p < 0.005), hyperactivity (p < 0.0001) and inappropriate speech (p < 0.005). Of 40 patients, 12 (30%) were considered as ‘improved’ on CGI-S scores compared to baseline, a statistically significant difference (p < 0.05). No liver enzyme elevation or any other serum biochemical changes resulted from treatment, which was not associated with significant body weight changes or any other treatment-emergent side effects. Conclusions: The study shows that olanzapine treatment can be beneficial in alleviating some behavioral symptoms (irritability, hyperactivity/noncompliance and lethargy/withdrawal) associated with autism. The short period of this trial limits inferences about adverse effects such as body weight increase and tardive dyskinesia. Further long-term placebo-controlled studies of olanzapine are required.

© 2008 S. Karger AG, Basel

Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: July 18, 2007
Accepted: October 09, 2007
Published online: August 06, 2008
Issue release date: August 2008

Number of Print Pages: 4
Number of Figures: 0
Number of Tables: 1

ISSN: 1011-7571 (Print)
eISSN: 1423-0151 (Online)

For additional information: http://www.karger.com/MPP

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