Effectiveness of semaglutide versus liraglutide for treating post-metabolic and bariatric surgery weight recurrence
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Updated: Aug 4, 2025

Sleeve Gastrectomy in Mice using Surgical Clips
Published on: November 14, 2020
Natia Murvelashvili1, Luyu Xie2,3, Jeffrey N Schellinger1
1Department of Internal Medicine, Division of Endocrinology, UT Southwestern Medical Center, Dallas, Texas, USA.
Objective:
The aim of this study was to compare the effectiveness of semaglutide versus liraglutide for treating post-metabolic and bariatric surgery (MBS) weight recurrence.
Methods:
A retrospective analysis of 207 adults with post-MBS weight recurrence treated with semaglutide 1.0 mg weekly (n = 115) or liraglutide 3.0 mg daily (n = 92) at an academic center from January 1, 2015, through April 1, 2021, was conducted. The primary end point was percentage body weight change at 12 months of treatment with regimens containing semaglutide or liraglutide.
Results:
The mean sample age was 55.2 years; mean BMI was 40.4 kg/m2 ; 89.9% were female; and 50% completed sleeve gastrectomy, 29% completed Roux-en-Y gastric bypass, and 21% completed adjustable gastric banding. Least-squares mean weight change at 12 months was -12.92% versus -8.77% in the semaglutide and liraglutide groups, respectively (p < 0.001). The adjusted odds ratios were 2.34 (95% CI: 1.28-4.29) for ≥10% weight loss and 2.55 (95% CI: 1.22-5.36) for ≥15% weight loss over 12 months in the semaglutide group versus liraglutide group, respectively. Weight-loss efficacy of semaglutide (vs. liraglutide) did not differ by subgroups explored, including age, sex, and MBS procedure.
Conclusions:
These results show that treatment regimens including semaglutide 1.0 mg weekly lead to superior weight loss compared with liraglutide 3.0 mg daily for treating post-MBS weight recurrence, regardless of procedure type or the magnitude of weight recurrence.
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