Topiramate Plus Antipsychotic Medication Better Than Antipsychotics Alone for Schizophrenia Spectrum Disorders

May 30, 2017 · Posted in Current Treatments 

womanA 2016 meta-analysis has shown that the combination of the anticonvulsant topiramate and antipsychotic medication reduces symptoms of schizophrenia spectrum disorders more than antipsychotic medication alone. Researchers led by Christoph U. Correll analyzed the results of eight studies in which the topiramate-antipsychotic combination was compared to antipsychotics alone or with placebo.

The combination of topiramate and antipsychotic medication was superior at reducing general psychopathology, including both negative and positive symptoms of schizophrenia. The combination was also associated with lower body weight and body mass index (BMI) compared to antipsychotics alone.

The studies included in the meta-analysis used a variety of antipsychotic medications. When these were compared, the combination of topiramate and clozapine was more effective than other combinations at reducing psychopathology. However, the combination of topiramate and clozapine was also associated with less weight loss than combinations using other antipsychotics.

In terms of side effects, topiramate was associated with more paresthesia (a burning or prickling sensation, often in the hands or feet) than placebo.

The study was published in the Journal of Clinical Psychiatry.

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