Topiramate mitigates weight gain in antipsychotic-treated patients with schizophrenia: meta-analysis of randomised controlled trials
International journal of psychiatry in clinical practice, 2019•Taylor & Francis
Objective: Weight gain is one of the most challenging issues in patients with schizophrenia
treated with antipsychotics. Several meta-analyses have been conducted to review the
efficacy of topiramate in reducing weight, however, several issues regarding the
methodology had arisen of which make the results remain ambiguous. Methods: We
conducted a meta-analysis of randomised controlled trials about the use of topiramate in
patients with schizophrenia for weight reduction. Ten double-blinded randomised placebo …
treated with antipsychotics. Several meta-analyses have been conducted to review the
efficacy of topiramate in reducing weight, however, several issues regarding the
methodology had arisen of which make the results remain ambiguous. Methods: We
conducted a meta-analysis of randomised controlled trials about the use of topiramate in
patients with schizophrenia for weight reduction. Ten double-blinded randomised placebo …
Abstract
Objective: Weight gain is one of the most challenging issues in patients with schizophrenia treated with antipsychotics. Several meta-analyses have been conducted to review the efficacy of topiramate in reducing weight, however, several issues regarding the methodology had arisen of which make the results remain ambiguous.
Methods: We conducted a meta-analysis of randomised controlled trials about the use of topiramate in patients with schizophrenia for weight reduction. Ten double-blinded randomised placebo-controlled trials and seven open-label randomised controlled trials included 905 patients.
Results: Patients treated with topiramate experienced a greater reduction in body weight and BMI. Patients in countries of the lower overweight population showed more significant BMI reduction. Besides, studies from the Middle East and South Asia showed the greatest effect in body weight change, followed by East Asia, then Europe/America. Topiramate group was outperformed control group with significant psychopathology improvement. No difference between two groups regarding the overall side effects.
Conclusions: Topiramate was significantly superior to control group in mitigating weight gain and psychopathology in antipsychotic-treated patients with schizophrenia. The effects of topiramate augmentation need further investigations in larger definitive studies using methodological rigor and thorough assessments.
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