COVID-19(62) Treatment(34) Patient(25) SARS-CoV-2(25) reported(21) COVID‐19(18) coronavirus(18) Mortality(17) Trial(15) risk(15) Efficacy(15) Tocilizumab(15) clinical trial(15) patients with COVID-19(14) database(14) Evidence(12) Serious Adverse Events(12) searched(11) Remdesivir(11) Randomized controlled trial(11) randomized clinical trial(11) RCT(11) outcome(11) dose(10) Concentration(10) Abstract(10) SARS‐CoV‐2(10) coronavirus disease(10) systematic review(9) Analysis(9)