random-effects model(6) Neutralizing antibodies(6) was used(6) risk(6) eligible(6) spike protein.(6) Hospital admission(6) monoclonal(6) Sample size(6) all-cause mortality(6) Mortality(6) statistically significant reduction(6) randomized trial(6) was performed(6) clinical outcomes(6) Patient(6) COVID-19(6) neutralizing monoclonal antibodies(6) Odds ratio(6) reduced risk(6) SARS-CoV-2(6) systematic literature search(6) antibody(6) evaluated(6) outcome(6) patients with COVID-19(6) Clinical outcome(6) Neutralizing(6) Evidence(6) 95% CI(6)