Abstract
Aims/hypothesis
Limited evidence exists on the comparative safety and effectiveness of empagliflozin against alternative glucose-lowering medications in individuals with type 2 diabetes with the broad spectrum of cardiovascular risk. The EMPagliflozin compaRative effectIveness and SafEty (EMPRISE) cohort study was designed to monitor the safety and effectiveness of empagliflozin periodically for a period of 5 years with data collection from electronic healthcare databases.
Methods
We identified individuals ≥18 years old with type 2 diabetes who initiated empagliflozin or dipeptidyl peptidase-4 inhibitors (DPP-4i) from 2014 to 2019 using US Medicare and commercial claims databases. After 1:1 propensity score matching using 143 baseline characteristics, we identified four a priori-defined effectiveness outcomes: (1) myocardial infarction (MI) or stroke; (2) hospitalisation for heart failure (HHF); (3) major adverse cardiovascular events (MACE); and (4) cardiovascular mortality or HHF. Safety outcomes included lower-limb amputations, non-vertebral fractures, diabetic ketoacidosis (DKA), acute kidney injury (AKI), severe hypoglycaemia, retinopathy progression, and short-term kidney and bladder cancers. We estimated HRs and rate differences (RDs) per 1000 person-years, overall and stratified by age, sex, baseline atherosclerotic cardiovascular disease (ASCVD) and heart failure.
Results
We identified 115,116 matched pairs. Compared with DPP-4i, empagliflozin was associated with lower risks of MI/stroke (HR 0.88 [95% CI 0.81, 0.96]; RD −2.08 [95% CI (−3.26, −0.90]), HHF (HR 0.50 [0.44, 0.56]; RD −5.35 [−6.22, −4.49]), MACE (HR 0.73 [0.62, 0.86]; RD −6.37 [−8.98, −3.77]) and cardiovascular mortality/HHF (HR 0.57 [0.47, 0.69]; RD −10.36 [−12.63, −8.12]). Absolute benefits were larger in older individuals and in those with ASCVD/heart failure. Empagliflozin was associated with an increased risk of DKA (HR 1.78 [1.44, 2.19]; RD 1.59 [1.08, 2.09]); decreased risks of AKI (HR 0.62 [0.54, 0.72]; RD −2.39 [−3.08, −1.71]), hypoglycaemia (HR 0.75 [0.67, 0.84]; RD −2.46 [−3.32, −1.60]) and retinopathy progression (HR 0.78 [0.63, 0.96)]; RD −9.49 [−16.97, −2.10]); and similar risks of other safety events.
Conclusions/interpretation
Empagliflozin relative to DPP-4i was associated with risk reductions of MI or stroke, HHF, MACE and the composite of cardiovascular mortality or HHF. Absolute risk reductions were larger in older individuals and in those who had history of ASCVD or heart failure. Regarding the safety outcomes, empagliflozin was associated with an increased risk of DKA and lower risks of AKI, hypoglycaemia and progression to proliferative retinopathy, with no difference in the short-term risks of lower-extremity amputation, non-vertebral fractures, kidney and renal pelvis cancer, and bladder cancer.
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Abbreviations
- AKI:
-
Acute kidney injury
- ASCVD:
-
Atherosclerotic cardiovascular disease
- CIF:
-
Cumulative incidence function
- CKD:
-
Chronic kidney disease
- DKA:
-
Diabetic ketoacidosis
- DPP-4i:
-
Dipeptidyl peptidase-4 inhibitors
- EMPRISE:
-
EMPagliflozin compaRative effectIveness and SafEty
- ESKD:
-
End-stage kidney disease
- GLP-1RA:
-
Glucagon-like peptide-1 receptor agonists
- HF:
-
Heart failure
- HHF:
-
Hospitalisation for heart failure
- MACE:
-
Major adverse cardiovascular events
- MI:
-
Myocardial infarction
- NNH:
-
Number needed to harm
- NNT:
-
Number needed to treat
- PPV:
-
Positive predictive value
- PS:
-
Propensity score
- PY:
-
Person-years
- RD:
-
Rate difference
- SGLT2i:
-
Sodium–glucose cotransporter 2 inhibitor
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Acknowledgements
Some of the data were presented as an abstract at the 38th International Conference on Pharmacoepidemiology and Therapeutic Risk Management (ICPE) in 2022.
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Raw data used in the manuscript are not available to share due to the data user agreements in place but are available for purchase through the data vendors.
Funding
This study was supported by a research grant to the Brigham and Women’s Hospital from Boehringer Ingelheim. The authors had full control of the design and conduct of the study and the interpretation of the study’s findings. The authors retained the right of publication and determined the final wording of the manuscript. PTH was supported by a training grant (5T32DK007527) from the National Institute of Diabetes and Digestive and Kidney Diseases and is currently supported by a post-doctoral grant (4-22-PDFPM-15) from the American Diabetes Association. EP was supported by a career development grant (K08AG055670) from the National Institute on Aging and research grants from the Patient-Centered Outcomes Research Institute (DB-2020C2-20326) and the Food and Drug Administration (5U01FD007213).
Authors’ relationships and activities
PTH previously worked at Johnson & Johnson on unrelated work. SS reports investigator-initiated grants to the Brigham and Women’s Hospital from Boehringer Ingelheim International Gmbh, and owns equity in a software manufacturer, Aetion, Inc. DJW reports serving on data monitoring committees for Novo Nordisk, consulting for Elsevier and UpToDate, and grants from PCORI. BME reports consulting for Janssen, Eli Lilly and Company, Provention Bio, Ipsen Pharmaceuticals, the NIDDK, the American Heart Association and UptoDate; and grants from PCORI and Novo Nordisk outside the submitted work. RJG reports grants from Amgen, AstraZeneca, Kowa, Novartis and Pfizer outside the submitted work. LK is an employee of Eli Lilly and Company, and owns stock in Eli Lilly and Company. NS and AD-L are employees of Boehringer Ingelheim International GmbH. The authors declare that there are no other relationships or activities that might bias, or be perceived to bias, their work.
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All authors approved the final version to be published. PTH contributed to the study design, data analysis and initial development of the manuscript, and is the guarantor of this work. HT contributed to the data analysis and critical review of the manuscript. EP contributed to the study conception and design and critical review of the manuscript. DJW, JMP and BME contributed to the study conception and critical review of the manuscript. RJG and SS contributed to the study design, statistical input and critical review of the manuscript. NS, LK and AD-L participated in the study design, study conception and critical review of the manuscript. PTH and EP are responsible for the integrity of the work as a whole and are guarantors of the study.
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Htoo, P.T., Tesfaye, H., Schneeweiss, S. et al. Effectiveness and safety of empagliflozin: final results from the EMPRISE study. Diabetologia (2024). https://doi.org/10.1007/s00125-024-06126-3
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DOI: https://doi.org/10.1007/s00125-024-06126-3