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J Autism Dev Disord. 2009 May;39(5):796-805. doi: 10.1007/s10803-008-0687-y. Epub 2009 Jan 16.

A double-blind, placebo-controlled trial of oral human immunoglobulin for gastrointestinal dysfunction in children with autistic disorder.

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  • 1University of Pittsburgh School of Medicine, Pittsburgh, PA 15203, USA. handenbl@upmc.edu

Abstract

Controversy exists regarding the extent and possible causal relationship between gastrointestinal symptoms and autism. A randomized, double-blind, placebo-controlled, parallel groups, dose-ranging study of oral, human immunoglobulin (IGOH 140, 420, or 840 mg/day) was utilized with 125 children (ages 2-17 years) with autism and persistent GI symptoms. Endpoint analysis revealed no significant differences across treatment groups on a modified global improvement scale (validated in irritable bowel syndrome studies), number of daily bowel movements, days of constipation, or severity of problem behaviors. IGOH was well-tolerated; there were no serious adverse events. This study demonstrates the importance of conducting rigorous trials in children with autism and casts doubt on one GI mechanism presumed to exert etiological and/or symptomatic effects in this population.

PMID:
19148734
[PubMed - indexed for MEDLINE]
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