Global Trends and Research Topics in Gastric Bypass Clinical Trials: A Bibliometric Analysis and Latent Dirichlet Allocation (LDA) Study

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Metabolic bariatric surgery (MBS) is a key treatment for severe obesity, effectively promoting weight loss and improving metabolic diseases.
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The global prevalence of obesity has more than doubled since 1990, with severe obesity projected to affect over 110 million adults by 2030.
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Gastric bypass (GB) is one of the oldest and most widely performed MBS procedures, achieving significant weight loss in patients.
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A bibliometric analysis revealed over 72,000 publications on gastric bypass, highlighting the field's extensive scientific output.
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The study aimed to map scientific output on GB clinical trials from 2001 to 2024, identifying key research topics and trends.

Obesity Surgery

by Rômulo Ferreira Monteiro, Victor Celestino Pires, Tiago Rafael Onzi, Giovani Firpo Del Duca, Jucemar Benedet
May 26, 2026

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