Sodium-glucose co-transporter 2 inhibition in patients hospitalized for acute decompensated heart failure: rationale for and design of the EMPULSE trial
Abstract
Aims: Treatment with sodium-glucose co-transporter 2 (SGLT2) inhibitors improves outcomes in patients with chronic heart failure (HF) with reduced ejection fraction. There is limited experience with the in-hospital initiation of SGLT2 inhibitors in patients with acute HF (AHF) with or without diabetes. EMPULSE is designed to assess the clinical benefit and safety of the SGLT2 inhibitor empagliflozin compared with placebo in patients hospitalized with AHF.
Methods: EMPULSE is a randomized, double-blind, parallel-group, placebo-controlled multinational trial comparing the in-hospital initiation of empagliflozin (10 mg once daily) with placebo. Approximately 500 patients admitted for AHF with dyspnoea, signs of fluid overload, and elevated natriuretic peptides will be randomized 1:1 stratified to HF status (de-novo and decompensated chronic HF) to either empagliflozin or placebo at approximately 165 sites across North America, Europe and Asia. Patients will be enrolled regardless of ejection fraction and diabetes status and will be randomized during hospitalization and after stabilization (between 24 h and 5 days after admission), with treatment continued up to 90 days after initiation. The primary outcome is clinical benefit at 90 days, consisting of a composite of all-cause death, HF events, and ≥5 point change from baseline in Kansas City Cardiomyopathy Questionnaire total symptom score (KCCQ-TSS), assessed using a 'win-ratio' approach. Secondary outcomes include assessments…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 500 participants or records.
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