COVID-19(38) Meta-analysis(14) SARS-CoV-2(14) clinical trial(14) Result(12) treat(11) reduce(11) pandemic(11) risk(10) Mortality(10) Hospitalization(10) patients(9) patients with COVID-19(9) Patient(9) benefit(8) SARS-COV-2 infection(8) with COVID-19(8) Coronavirus disease 2019(8) drug(8) 95% CI(8) approved(8) coronavirus disease(8) database(8) Research(8) addition(8) Treatment(8) Efficacy(8) repositioning(8) Remdesivir(7) Trial(7)