RecruitingPhase 2Drug trialEffect of L-Carnitine on Biomarkers of Myocardial Reperfusion Injury in Patients With STEMIThe study aims is to evaluate the efficacy and tolerability of L-Carnitine on biomarkers of myocardial reperfusion injury in patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary PCI by the assessment of nitrotyrosine as an oxidative stress marker and Matrix metallopeptidase-2 (MMP-2) as a cardiac fibrosis marker