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Abstract
Glucagon-like peptide 1 receptor agonists (GLP-1RAs) are approved by the US Food and Drug Administration for treating type 2 diabetes (T2D). GLP-1RAs have pleiotropic effects on lowering plasma glucose, inducing weight loss, and modulating immune functions.1 Because overweight/obesity is a major risk factor for colorectal cancer (CRC),2 we hypothesize that GLP-1RAs are associated with a decreased risk for CRC in patients with T2D compared with non–GLP-1RA antidiabetics. We conducted a nationwide, retrospective cohort study among drug-naive patients with T2D comparing GLP-1RAs with 7 non–GLP-1RA antidiabetics, including metformin and insulin, which are suggested to influence CRC risk.3