In this study the researchers gave 1 gram of omega-3 to a group of ten children for twelve weeks. Of the nine children who completed the study, eight of them showed modest improvements in the core symptoms of autism using several measures.
That's the good news.
The bad news is that like most of the studies of this type this one is relatively weak because the study population was very small and the participants knew what they were taking. However, unlike other studies, the evaluations on the children were done by trained professionals and did not rely on parental ratings.
None of the children in the study showed any side effects nor did any children show a worsening of their autism. This study adds to the growinglist of studies that shows that omega-3 supplementation is safe and potentially helpful for treating autism.
Now, if the US Patent Office would only grant a patent on omega-3 to a pharmaceutical company then maybe we would see larger scale testing to prove the effectiveness.