Findings

What do systematic reviews say?

2 questions · 2 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 2 · 100%Moderate 0 · 0%High 0 · 0%

Hydroxychloroquine (HCQ) vs placebo

Participants with serious adverse events · people who have been exposed to SARS‐CoV‐2

1 finding from 1 review

Chloroquine or hydroxychloroquine for prevention and treatment of COVID‐19 2021 · Cochrane Headline outcomes only
no estimate extracted
1 study · 700 participants
Low

Hydroxychloroquine (HCQ) vs placebo or usual care

Participants with serious adverse events · adults with mild to severe COVID‐19

Hydroxychloroquine (HCQ) showed no clear difference in participants with serious adverse events compared with standard care or placebo (low certainty).

1 finding from 1 review

Chloroquine or hydroxychloroquine for prevention and treatment of COVID‐19 2021 · Cochrane Headline outcomes only
RR 0.82 [0.37, 1.79]
6 studies · 1004 participants
Low