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<p>Endoscopic sleeve gastroplasty (ESG) and intragastric balloon (IGB) are established endoscopic bariatric therapies (EBTs) for obesity, but their comparative efficacy and safety remain uncertain. We conducted a systematic review and meta-analysis of comparative studies evaluating ESG versus IGB. The primary outcome was percentage of total body weight loss (%TBWL), assessed at the longest available follow-up and stratified timepoints (1, 3, 6, and 12 months). To explore temporal trends, we performed a meta-regression using follow-up duration as a continuous moderator. Secondary outcomes included a meta-regression based on baseline BMI differences and a pooled analysis of adverse events. Six comparative studies (n = 5330) were included. ESG was associated with significantly greater %TBWL than IGB (mean difference: 2.541; 95% CI 0.754 to 4.327; <i>p</i> = 0.005), with increasing benefit over time. Meta-regression confirmed a significant positive association between follow-up duration and treatment effect (<i>p</i> = 0.0006). A separate meta-regression revealed greater efficacy of ESG in patients with higher baseline BMI (<i>p</i> = 0.0001). Overall adverse event rates were comparable between the two groups (<i>p</i> = 0.20) ; however, IGB showed observed trends toward higher device intolerance and early removal rates in individual cohorts. Our findings suggest that ESG may offer a therapeutic advantage over IGB regarding weight loss efficacy, a trend that appears more pronounced in cohorts with higher obesity severity and across extended follow-up periods. ESG offers a comparable safety profile to IGB and may represent a more durable endoscopic bariatric option with potential advantages in procedural tolerability. Long-term trials are needed to validate its metabolic and clinical advantages beyond 12 months.</p>

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Meta regression of endoscopic sleeve gastroplasty versus intragastric balloon investigating influence of duration and baseline body mass index

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月4日

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  • Po-Feng Huang,
  • Hsuan-Wei Chen,
  • Tien-Yu Huang,
  • Peng-Jen Chen,
  • Chi-Wei Yang

摘要

Endoscopic sleeve gastroplasty (ESG) and intragastric balloon (IGB) are established endoscopic bariatric therapies (EBTs) for obesity, but their comparative efficacy and safety remain uncertain. We conducted a systematic review and meta-analysis of comparative studies evaluating ESG versus IGB. The primary outcome was percentage of total body weight loss (%TBWL), assessed at the longest available follow-up and stratified timepoints (1, 3, 6, and 12 months). To explore temporal trends, we performed a meta-regression using follow-up duration as a continuous moderator. Secondary outcomes included a meta-regression based on baseline BMI differences and a pooled analysis of adverse events. Six comparative studies (n = 5330) were included. ESG was associated with significantly greater %TBWL than IGB (mean difference: 2.541; 95% CI 0.754 to 4.327; p = 0.005), with increasing benefit over time. Meta-regression confirmed a significant positive association between follow-up duration and treatment effect (p = 0.0006). A separate meta-regression revealed greater efficacy of ESG in patients with higher baseline BMI (p = 0.0001). Overall adverse event rates were comparable between the two groups (p = 0.20) ; however, IGB showed observed trends toward higher device intolerance and early removal rates in individual cohorts. Our findings suggest that ESG may offer a therapeutic advantage over IGB regarding weight loss efficacy, a trend that appears more pronounced in cohorts with higher obesity severity and across extended follow-up periods. ESG offers a comparable safety profile to IGB and may represent a more durable endoscopic bariatric option with potential advantages in procedural tolerability. Long-term trials are needed to validate its metabolic and clinical advantages beyond 12 months.