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Systematic review of influence of ethnicity on efficacy and safety of pharmacotherapy for childhood and adolescent obesity

Gupta S, Lal P, Gupta A, Chaudhary BR

Clinical and experimental pediatrics, 2026

Abstract

Childhood and adolescent obesity represent critical global health issues with a rising prevalence and associated cardiometabolic and psychosocial consequences. Pharmacotherapy has emerged as an adjunct treatment to lifestyle modifications in patients with severe obesity or a poor response to behavioral interventions. However, the ethnic and racial variations in drug efficacy and safety remain poorly understood. This systematic review aimed to determine whether ethnicity influences the efficacy and adverse effects of pharmacological treatments for pediatric obesity. A comprehensive literature search was conducted using PubMed, Embase, Scopus, and Cochrane Library databases for studies published between January 2000 and December 2024. Eligible randomized controlled trials included participants aged ≤18 years and reported ethnicity-specific outcomes for antiobesity pharmacotherapy. Of the 3,979 identified records, 4 randomized trials met the inclusion criteria and investigated liraglutide, metformin, phentermine/topiramate, and sibutramine. Across all studies, pharmacotherapy significantly reduced body mass index compared with placebo. This review provides a complete and clearly articulated conclusion reflecting these findings. However, consistent evidence is lacking of ethnicity-based differences in efficacy or safety. One trial suggested a possible trend of reduced responses among African American adolescents receiving sibutramine, although the findings were underpowered and…

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