Comparative risk evaluation for cardiovascular events associated with dapagliflozin vs. empagliflozin in real-world type 2 diabetes patients: A multi-institutional cohort study

Shih Chieh Shao, Kai Cheng Chang, Ming Jui Hung, Ning I. Yang, Yuk Ying Chan, Hui Yu Chen, Yea Huei Kao Yang, Edward Chia Cheng Lai

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13 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number120
JournalCardiovascular Diabetology
Volume18
Issue number1
DOIs
Publication statusPublished - 2019 Sep 24

All Science Journal Classification (ASJC) codes

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Cardiology and Cardiovascular Medicine

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