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OBJECTIVE: Semaglutide, a glucagon-like peptide 1 receptor agonist, reduced major adverse cardiovascular events (MACE) in people with type 2 diabetes (T2D) at high risk of cardiovascular disease (CVD) in a post hoc analysis of pooled data from Trial to Evaluate Cardiovascular and Other Long-term Outcomes with Semaglutide in Subjects With Type 2 Diabetes (SUSTAIN) 6 and Peptide Innovation for Early Diabetes Treatment (PIONEER) 6. We estimated the benefit of adding semaglutide to standard of care (SoC) on life-years free of new/recurrent CVD events in people with T2D at high risk of CVD. RESEARCH DESIGN AND METHODS: The Diabetes Lifetime-perspective prediction (DIAL) competing risk–adjusted lifetime CVD risk model for people with T2D was developed previously. Baseline characteristics of the pooled cohort from SUSTAIN 6 and PIONEER 6 (POOLED cohort) (N = 6,480) were used to estimate individual life expectancy free of CVD for patients in the POOLED cohort. The hazard ratio of MACE from adding semaglutide to SoC was derived from the POOLED cohort (hazard ratio [HR] 0.76 [95% CI 0.62–0.92]) and combined with an individual's risk to estimate their CVD benefit. RESULTS: Adding semaglutide to SoC was associated with a wide distribution in life-years free of CVD gained, with a mean increase of 1.7 (95% CI 0.5–2.9) life-years. Estimated life-years free of CVD gained with semaglutide was dependent on baseline risk (life-years free of CVD gained in individuals with established CVD vs. those with cardiovascular risk factors only: 2.0 vs. 0.2) and age at treatment initiation. CONCLUSIONS: Adding semaglutide to SoC was associated with a gain in life-years free of CVD events that was dependent on baseline CVD risk and age at treatment initiation. This study helps contextualize the results of semaglutide clinical trials. [ABSTRACT FROM AUTHOR]