Pharmacodynamic Effects of Pre-Hospital Administered Crushed Prasugrel in Patients With ST-Segment Elevation Myocardial Infarction

Published on Jun 28, 2021in Jacc-cardiovascular Interventions8.432
· DOI :10.1016/J.JCIN.2021.04.022
Rosanne F. Vogel2
Estimated H-index: 2
(UU: Utrecht University),
Ronak Delewi24
Estimated H-index: 24
(UvA: University of Amsterdam)
+ 14 AuthorsValeria Paradies15
Estimated H-index: 15
Sources
Abstract
Abstract null null Objectives null This study sought to compare the pharmacodynamic effects of pre-hospitally administered P2Y12 inhibitor prasugrel in crushed versus integral tablet formulation in patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (pPCI). null null null Background null Early dual antiplatelet therapy is recommended in STEMI patients. Yet, onset of oral P2Y12 inhibitor effect is delayed and varies according to formulation administered. null null null Methods null The COMPARE CRUSH (Comparison of Pre-hospital Crushed Versus Uncrushed Prasugrel Tablets in Patients With STEMI Undergoing Primary Percutaneous Coronary Interventions) trial randomized patients with suspected STEMI to crushed or integral prasugrel 60-mg loading dose in the ambulance. Pharmacodynamic measurements were performed at 4 time points: before antiplatelet treatment, at the beginning and end of pPCI, and 4 h after study treatment onset. The primary endpoint was high platelet reactivity at the end of pPCI. The secondary endpoint was impact of platelet reactivity status on markers of coronary reperfusion. null null null Results null A total of 441 patients were included. In patients with crushed prasugrel, the occurrence of high platelet reactivity at the end of pPCI was reduced by almost one-half (crushed 34.7% vs. uncrushed 61.6%; odds ratio [OR] = 0.33; 95% confidence interval [CI] = 0.22 to 0.50; p  null null null Conclusions null Oral administration of crushed compared with integral prasugrel significantly improves platelet inhibition during the acute phase in STEMI patients undergoing pPCI. However, a considerable number of patients still exhibit inadequate platelet inhibition at the end of pPCI, suggesting the need for alternative agents to bridge the gap in platelet inhibition.
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