GLP-1 receptor agonists are associated with lower kidney cancer risk after metabolic bariatric surgery
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ID: 326480
2026
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Abstract
BACKGROUND: Kidney cancer (KC) is an obesity-related malignancy with rising incidence. Although metabolic and bariatric surgery (MBS) reduces the risk of some obesity-related cancers, the use of glucagon-like peptide-1 receptor agonists (GLP-1 RA) has increased after MBS; however, their association with KC risk remains unclear. We aimed to evaluate whether initiation of GLP-1 RA, compared with other glucose-lowering agents, is associated with KC among adults with prior MBS and type 2 diabetes (T2D), and overweight, or obesity. METHODS: We conducted a retrospective cohort study using TriNetX, applying an active-comparator, new-user target trial emulation framework. Adults (≥18 years) with T2D, obesity/overweight and prior MBS (2006-2025) were included, excluding those with prior cancer or type 1 diabetes. GLP-1 RA initiation was compared with metformin, insulin, sodium-glucose cotransporter 2 inhibitors (SGLT2i), or sulfonylureas. Time zero was the first post-MBS prescription after a 365-day washout. Propensity score matching (1:1) balanced baseline characteristics. The outcome was incident KC (ICD-10 C64, C65). Risk differences (RDs), and hazard ratios were estimated over 5 years. RESULTS: After matching, 16 768 GLP-1-metformin, 25 025 GLP-1-insulin, 8 613 GLP-1-SGLT2i, and 7 029 GLP-1-sulfonylurea pairs were included. GLP-1 RA initiation was associated with lower 5-year KC risk vs metformin (RD -0.18%; 95% CI -0.27 to -0.09), insulin (-0.22%; -0.30 to -0.15), SGLT2i (-0.19%; -0.34 to -0.04), and sulfonylureas (-0.20%; -0.37 to -0.03). Results were consistent across sensitivity analyses. CONCLUSIONS: Among post-MBS patients, GLP-1 RA initiation was associated with lower KC risk vs other therapies, supporting potential oncologic safety and benefits beyond glycemic control.
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| Authors | Jesús Gibran Hernández‐Pérez, Omer Abdelgadir, Mohanad Albayyaa, Deepali K Ernest, Jing Chen, Stacia M. DeSantis, Arthur S. Hong, Lindsay G Cowell, Jaime P Almandoz, Sarah E Messiah, David S Lopez |
| Journal | nephrology dialysis transplantation |
| Year | 2026 |
| DOI |
10.1093/ndt/gfag197
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| URL | |
| Keywords | Keywords not found |
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