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Abstract Introduction Ischemic stroke patients with diabetes are at high risk for recurrent stroke and cardiovascular complications. Pioglitazone, a type of thiazolidinedione, has been shown to reduce cardiovascular complications in patients with ischemic stroke and type 2 diabetes (T2D) or insulin resistance. Lobeglitazone is a novel thiazolidinedione agent that improves insulin resistance and has similar glycemic efficacy to pioglitazone. Using population-based health claims data, we evaluated whether lobeglitazone has secondary cardiovascular preventive effects in patients with ischemic stroke and T2D. Methods This study has a nested case-control design. From nationwide health claims data in Korea, we identified patients with T2D admitted for acute ischemic stroke in 2014–2018. Cases were defined who suffered the primary outcome (a composite of recurrent stroke, myocardial infarction, and all-cause death) before December 2020. Three controls were selected by incidence density sampling for each case from those who were at risk at the time of their case occurrence with exact matching on sex, age, the presence of comorbidities, and medications. As a safety outcome, we also evaluated the risk of heart failure (HF) according to the use of lobeglitazone. Results From the cohort of 70,897 T2D patients with acute ischemic stroke, 20,869 cases and 62,607 controls were selected. In the multivariable conditional logistic regression, treatment with lobeglitazone (adjusted OR 0.74; 95% CI 0.61–0.90; p = 0.002) and pioglitazone (adjusted OR 0.71; 95% CI 0.64–0.78; p |
