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objectif
Étude nationale, multicentrique, randomisée comparant un blocage spécifique de l’aldostérone en plus du traitement usuel au traitement usuel seul, débuté dans les 72 premières heures après la survenue d’un infarctus aigu du myocarde.
date de réalisation
2010
nombre de patients
1622
nombre de centres participants
28 centres français
type de financement
Public (APHP & ICAN)
Référence
NCT01059136
Aldosterone Blockade Early After Acute Myocardial Infarction (ALBATROSS)
The blockade of the renin-angiotensin-aldosterone (RAA) pathway by angiotensin conversion enzyme inhibitors (ACEI) is one corner stone in the management of heart failure as well as the management of ischemic heart disease, especially after acute myocardial infarctionHigh plasma aldosterone levels have been associated with both direct and indirect toxic effects on myocardium. ACEIs are associated with partial and temporary reduction of plasma aldosterone levels. The RALES randomized controlled trial has shown a reduction of mortality associated with the use of the selective aldosterone receptor blocker spironolactone, on top of standard therapy including ACEIs in the setting of NYHA 3-4 chronic heart failure. The EPHESUS randomized controlled trial has shown a reduction of mortality associated with the use of another selective aldosterone receptor blocker Eplerenone, initiated 3 to 14 days after acute myocardial infarction complicated by clinical heart failure and left ventricular ejection fraction <40&. Both previous studies have also reported a rapid reduction of global and arrhythmia-related mortality, within 30 days after the initiation of the medication.Such benefit has been reported after delayed initiation of aldosterone blocked, while aldosterone is at its highest level at presentation after acute myocardial infarction, with a rapid decrease within days after admission. Furthermore high aldosterone levels on admission are associated with adverse outcome independent of heart failure.
The hypothesis of the ALBATROSS trial : an early blockade of aldosterone receptors initiated at the first medical contact after acute myocardial infarction may reduce major cardiovascular events within 6 months after the occurrence of the myocardial infarction.
source clinicaltrials.gov
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