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Rationale and design of the DAPA-MI trial: Dapagliflozin in patients without diabetes mellitus with acute myocardial infarction

James, Stefan; Erlinge, David; Storey, Robert F; McGuire, Darren K; De Belder, Mark; Björkgren, Ida; Johansson, Peter A; ... Oldgren, Jonas; + view all (2023) Rationale and design of the DAPA-MI trial: Dapagliflozin in patients without diabetes mellitus with acute myocardial infarction. American Heart Journal , 266 pp. 188-197. 10.1016/j.ahj.2023.08.008. Green open access

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Abstract

Background: Therapies that could further prevent the development of heart failure (HF) and other cardiovascular and metabolic events in patients with recent myocardial infarction (MI) represent a large and unmet medical need. // Methods: DAPA-MI is a multicenter, parallel-group, registry-based, randomized, double-blind, placebo-controlled phase 3 trial in patients without known diabetes or established HF, presenting with MI and impaired left ventricular systolic function or Q-wave MI. The trial evaluated the effect of dapagliflozin 10 mg vs placebo, given once daily in addition to standard of care therapy, on death, hospitalization for HF (HHF), and other cardiometabolic outcomes. The primary objective of the trial was to determine, using the win-ratio method, if dapagliflozin is superior to placebo by comparing the hierarchical composite outcome of death, HHF, nonfatal MI, atrial fibrillation/flutter, new onset of type 2 diabetes mellitus, HF symptoms as measured by New York Heart Association Functional Classification at last visit, and body weight decrease ≥5% at last visit. Assuming a true win-ratio of 1.20 between dapagliflozin and placebo, 4,000 patients provide a statistical power of 80% for the test of the primary composite outcome. A registry-based randomized controlled trial framework allowed for recruitment, randomization, blinding, and pragmatic data collection of baseline demographics, medications, and clinical outcomes using existing national clinical registries (in Sweden and the UK) integrated with the trial database. // Conclusions: The trial explores opportunities to improve further the outcome of patients with impaired LV function after MI. The innovative trial design of DAPA-MI, incorporating national clinical registry data, has facilitated efficient patient recruitment as well as outcome ascertainment. // Trial registration: ClinicalTrials.gov Identifier NCT04564742.

Type: Article
Title: Rationale and design of the DAPA-MI trial: Dapagliflozin in patients without diabetes mellitus with acute myocardial infarction
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.ahj.2023.08.008
Publisher version: https://doi.org/10.1016/j.ahj.2023.08.008
Language: English
Additional information: Copyright © 2023 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science > Clinical Science
URI: https://discovery.ucl.ac.uk/id/eprint/10182383
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