Journal
CARDIOVASCULAR DIABETOLOGY
Volume 18, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12933-019-0919-9
Keywords
Sodium-glucose co-transporter 2 inhibitors; Cardiovascular disease; Heart failure; Real-world data
Funding
- Chang Gung Medical Foundation [CMRPG3H1551]
- Ministry of Science andTechnology of Taiwan [107-2320-B-006-070-MY3]
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Background To compare the cardiovascular event risk in type 2 diabetes patients newly receiving dapagliflozin vs. empagliflozin. Methods We conducted a retrospective cohort study by analyzing a multi-institutional electronic medical records database (Chang Gung Research Database) in Taiwan and included adult type 2 diabetes patients who were newly receiving sodium-glucose co-transporter 2 (SGLT2) inhibitors from 2016 to 2017. The primary outcome was a composite of cardiovascular death, myocardial infarction, ischemic stroke and heart failure. We followed up patients from initiation of SGLT2 inhibitors until the occurrence of cardiovascular events before December 31, 2018. We performed multivariable Cox proportional hazard modeling, adjusting for patients' age, sex, laboratory data, co-morbidities, and concomitant medications. Results We identified 12,681 new SGLT2 inhibitor users with a mean age of 58.9 (SD 11.8) years, of whom 43.9% were female and 45.8% were new dapagliflozin users. A total of 10,442 person-years of dapagliflozin use and 12,096 person-years of empagliflozin use were included. Compared to empagliflozin users, new users of dapagliflozin were found to have similar risks for primary composite outcome (adjusted HR: 0.91; 95% CI 0.73-1.14), cardiovascular death (adjusted HR: 0.54; 95% CI 0.14-2.12), myocardial infarction (adjusted HR: 0.77, 95% CI 0.49-1.19) and ischemic stroke (adjusted HR: 1.15; 95% CI 0.80-1.65), but a lower risk of heart failure (adjusted HR: 0.68; 95% CI 0.49-0.95). Conclusion The risk of cardiovascular events was similar between dapagliflozin and empagliflozin new users, but dapagliflozin may have a better outcome in the reduction of heart failure in type 2 diabetes patients. Future prospective studies are required to confirm the findings.
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