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Effective Nov. 1, 2023, clients and families, visitors, vendors and staff are required to wear a mask while moving throughout the hospital, including while in elevators, in spaces where clients receive care or participate in research. A medical grade mask will be available upon entry.


Treatment of Overweight Induced by Antipsychotic Medication in Young People with Autism Spectrum Disorders


This study is closed and is no longer recruiting participants.

Principal Investigator

Dr. Evdokia Anagnostou


This is a study investigating whether Riomet® (metformin) can decrease weight gain caused by certain medications: Abilify (Aripiprazole), Risperdal (Risperidone), Seroquel (Quetiapine), Zyprexa (Olanzapine), Saphris (Asenapine Maleate), Clozaril (Clozapine), Fanapt (Iloperidone), Latuda (Lurasidone), Zeldox (Ziprasidone), Invega (Paliperidone). These medications are commonly used to improve irritability, agitation, and repetitive behaviours in young people with ASD.


6-17 year olds with ASD


32 Week (8 Month) clinical trial intervention study taking medication every day. Visits will take place every month plus extra visits for outcome measure assessments and labs.


Holland Bloorview