Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,155 questions · 1,191 findings · 195 reviews · Headline outcomes only

No studies found 209 · 17.5%GRADE not reported 51 · 4.3%Very low 256 · 21.5%Low 273 · 22.9%Moderate 284 · 23.8%High 118 · 9.9%

Hyperimmune immunoglobulin from human plasma vs saline placebo

Serious adverse events up to day 28 (data available only as a composite of serious adverse events or death up to day 28) · individuals with moderate or severe COVID‐19

Hyperimmune immunoglobulin from human plasma showed no clear difference in serious adverse events up to day 28 (data available only as a… compared with saline placebo (low certainty).

1 finding from 1 review

RBD‐specific polyclonal F(ab') 2 fragments of equine antibodies (EpAbs) vs saline placebo

All‐cause mortality (by day 28) · individuals with moderate or severe COVID‐19

RBD‐specific polyclonal F(ab') 2 fragments of equine antibodies… showed no clear difference in all‐cause mortality (by day 28) compared with saline placebo (low certainty).

1 finding from 1 review

RBD‐specific polyclonal F(ab') 2 fragments of equine antibodies (EpAbs) vs saline placebo

Worsening of clinical status (expressed as new need for IMV, admission to ICU, or death by day 28) · individuals with moderate or severe COVID‐19

RBD‐specific polyclonal F(ab') 2 fragments of equine antibodies… showed no clear difference in worsening of clinical status (expressed as new need for IMV,… compared with saline placebo (low certainty).

1 finding from 1 review

Intervention not reported

All‐cause mortality at day 28 · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

It is very uncertain whether the intervention changes all‐cause mortality at day 28 (very low certainty).

1 finding from 1 review

Intervention not reported

Participants with new need for invasive mechanical ventilation or death · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Participants discharged alive. Participants should be discharged without clinical deterioration or death · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Quality of life up to 28 days and longest · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

SAEs during the study period · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Any grade TEAE · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Any grade TRAE · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Discontinuation of study drug due to adverse events · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Viral clearance · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Viral clearance at 7 days · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

It is very uncertain whether the intervention changes viral clearance at 7 days (very low certainty).

1 finding from 1 review

Intervention not reported

Viral clearance at 14 days · hospitalized people with mild to moderate symptomatic COVID‐19 (WHO scale 2 to 4) with severe comorbidities

It is very uncertain whether the intervention changes viral clearance at 14 days (very low certainty).

1 finding from 1 review