Electroencephalogram-recorded epileptiform activity is common in children with autism spectrum disorder (ASD), even without clinical seizures. A systematic literature search identified 7 randomized, placebo-controlled trials of antiepileptic drugs (AEDs) in ASD (total n = 171), including three of valproate, and one each of lamotrigine,…

We used a mixed group/single-case, double-blind, placebo-controlled, ABAB design to examine the safety and efficacy of the glutamate antagonist dextromethorphan for the treatment of problematic behaviors and core symptoms in eight children diagnosed with autism. All participants had increased levels of irritability at baseline as measured by the…

Risperidone has shown safety and efficacy for aggressive and destructive behaviors in short-term studies. This longer-duration study includes a broad sample. Forty subjects, aged 8-56 years (mean=22), all with mental retardation and 36 with autism spectrum disorders participated in this 22-week crossover study, with 24 weeks of open maintenance…