COVID-19(14) receptor(8) patients with COVID-19(6) performed(6) SARS-COV-2 infection(5) Protein(5) Patient(5) SARS-CoV-2(5) Adult(4) Inflammation(4) respiratory distress syndrome.(4) death(4) iron.(3) incidence(3) growth(3) RCTs(3) described(3) Composite(3) Primary outcome(3) ERFE(3) statistically significant reduction(3) Pneumonia(3) iron(3) hospitalized patients(3) hematological parameters(3) Efficacy and safety(3) C reactive protein(3) non-steroidal(3) iron homeostasis(3) distress(3)