Reducing Repetitive Behavior in Autism Research

Dr. Eric Hollander | ICare4AutismA study led by Dr. Eric Hollander, Director of the Autism Spectrum Program at Albert Einstein College of Medicine/Montefiore Medical Center and Chairman of the ICare4Autism Advisory Council found the antidepressant fluoxetine alleviated repetitive behavior and obsessive-compulsive symptoms in adults with autism, reducing these defining symptoms of the disorder.

Dr. Hollander will be speaking on his autism research findings at the upcoming ICare4Autism International Autism Conference on the Neuropsychopharmacology of Oxytocin and Inflammation in ASD.  He is also receiving Global Autism Research Award for his breakthrough research in autism treatment at the ICare4Autism Fundraising Gala on Thursday, 7th of June, 2012.

The research, which included 37 high-functioning adults with, mainly diagnosed with Asperger’s syndrome, followed participants for 12 weeks. Taking fluoxetine doubled the chances that a patient would show overall improvement, measured by their clinicians. Half of the participants taking fluoxetine had significant reductions in obsessive-compulsive symptoms, compared with 8% taking placebo.

“Repetitive behavior is a core symptom of the illness,” says lead author Dr. Eric Hollander, medical director of the Autism and Obsessive-Compulsive Spectrum Program at Montefiore Medical Center in New York, explaining that “from a very early age, these children have rituals and routines. For example, they like to line up their toys and they get very bent out of shape if there is any deviation.”

A previous, larger study of a similar medication, citalopram, in children with autism did not find a reduction in repetitive behaviors, but the drug did reduce irritability and was superior to placebo among children who had the highest levels of irritability. Irritability can sometimes lead to repetitive behaviors because people wit autism often engage in these activities to self soothe.

Both fluoxetine and citalopram belong to a class of antidepressants known as selective serotonin reuptake inhibitors, or SSRIs. Prior research on SSRIs in people with autism has also looked at fluvoxamine and found a reduction in repetitive behavior in adults but not children. It is not known if the differences between these studies are due to differences between the medications or other factors.

Obsessive behaviors may also arise in people with autism in response to the stress or discomfort of unpredictable situations. “Many of these individuals have expectations for what’s going to happen, and if there is an unexpected deviation, they experience a lot of discomfort and then they do all these kinds of behaviors,” says Hollander. That’s why people with autism may obsessively avoid locations where they previously experienced discomfort, for example, or they may engage in a repetitive habit like washing, checking, counting, touching or tapping.

When taking fluoxetine, Hollander says, “Patients acknowledge experiencing less discomfort. They’re more able to go outside their comfort zone and to better resist their habits and rituals.” One participant in Hollander’s study was previously too anxious to take the subway or eat in a restaurant, but, when taking fluoxetine, was able to tolerate these unpredictable environments.

Hollander notes that the findings were statistically significant and clinically meaningful. “The clinicians could tell that people were doing better not only in terms of OCD symptoms but overall distress and ability to function.”

Read more: http://healthland.time.com/2011/12/05/prozac-may-reduce-symptoms-of-autism-in-adults/#ixzz1toOkty7N

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2 Comments

  1. Posted May 7, 2012 at 3:42 am | Permalink

    Interesting results. I work with adults with Autism at a program in San Diego called New Pathways. We do behavioral interventions mostly, including ABA therapy and life skills but many of our clients use medication to help them with OCD symptoms that sometimes go with Autism. Where are you located? Check out our program as well, you might find it interesting.

    (Programs For Autism)

  2. Posted May 7, 2012 at 3:47 am | Permalink

    Interesting results. I work with adults with Autism at a program in San Diego called New Pathways. We do behavioral interventions mostly, including ABA therapy and life skills but many of our clients use medication to help them with OCD symptoms that sometimes go with Autism. Where are you located? Check out our program as well, you might find it interesting.

    Correct address this time :)

    Programs for Autism in San Diego

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