Metformin for Weight Reduction in Non-Diabetic Patients on Antipsychotic Drugs: A Systematic Review and Meta-Analysis
This 2011 systematic review and meta-analysis evaluated the efficacy of metformin in mitigating weight gain induced by atypical antipsychotics in non-diabetic patients. Analyzing seven randomized, placebo-controlled trials encompassing 398 participants (five studies in adults and two in children), the study found that metformin significantly reduced body weight compared to placebo.