Childhood obesity has steadily become a contemporary epidemic with serious public health implications. Approximately 70% of children with obesity will remain obese in adulthood. Obesity is a risk factor for development of atherosclerosis and type 2 diabetes mellitus (T2DM), and its prevention and management represents a priority for pediatric primary care providers. This underscores the need for evidence-based interventions for children and adolescents with obesity, including pharmacotherapy.

Metformin is US Food and Drug Administration (FDA) approved for use in children 10 years of age and older with T2DM and has been used off label to achieve weight loss in children. In the current issue of Pediatrics, Masarwa et al present a systematic review of the safety and efficacy of metformin use from randomized controlled trials (RCTs) in children and adolescents. The authors demonstrated that metformin therapy resulted in modest benefits in reduction of BMI...

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