Dulaglutide (DU) reduced the risk of CV outcomes compared with placebo (PL) in the REWIND trial (NCT01394952) , with a MACE-3 (major adverse CV events) hazard ratio of 0.88 over 5.4 years. Participants were ≥50 years of age with T2D, A1C ≤9.5%, BMI ≥23 kg/m2, and CV risk and received either DU (1.5 mg weekly) or PL. This post-hoc analysis explored the hypothesized relationship between metabolite biomarkers and MACE-3 in a nested case-control substudy comprising 600 MACE cases and 6non-MACE REWIND participants. A total of 135 plasma metabolites were measured by targeted metabolomics using mass spectrometry. Biomarkers significantly associated with DU were first identified in analyses that adjusted for 135 multiple comparisons (discovery approach) . Predefined clusters of the remainder based on non-REWIND data were then assessed using principal component analyses (hypothesis testing) . DU was associated with 2-year changes in 2-hydroxybutyric acid, threonine, acylcarnitines and homocitrulline; of these, only the acylcarnitines were linked with MACE (Table) . In the literature, higher levels of acylcarnitines are associated with CV events. These analyses suggest that DU-associated reductions in acylcarnitines are associated with its MACE benefit.


V.Pirro: Employee; Eli Lilly and Company, Stock/Shareholder; Eli Lilly and Company. H.C.Gerstein: Advisory Panel; Abbott, Eli Lilly and Company, Hanmi Pharm. Co., Ltd., Novo Nordisk, Pfizer Inc., Sanofi, Viatris Inc., Consultant; Kowa Company, Ltd., Other Relationship; DKSH, Eli Lilly and Company, Sanofi, Zuellig Pharma Holdings Pte. Ltd., Research Support; AstraZeneca, Eli Lilly and Company, Merck & Co., Inc., Novo Nordisk, Sanofi. G.Pare: Advisory Panel; Amgen Inc., Bayer AG, Sanofi, Research Support; Bayer AG. S.Lee: None. H.M.Colhoun: Advisory Panel; Bayer AG, Eli Lilly and Company, Novo Nordisk, Consultant; AstraZeneca, Research Support; AstraZeneca, Stock/Shareholder; Bayer AG, Roche Pharmaceuticals. Y.Lin: Employee; Eli Lilly and Company, Stock/Shareholder; Eli Lilly and Company. J.M.Wilson: Employee; Eli Lilly and Company. H.Qian: Employee; Eli Lilly and Company, Stock/Shareholder; Apple, Eli Lilly and Company. A.Hoover: Employee; Eli Lilly and Company. K.L.Duffin: Employee; Eli Lilly and Company, Stock/Shareholder; Eli Lilly and Company, Pfizer Inc.


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