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What do systematic reviews say?

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Evidence found and GRADE certainty

9 questions · 9 findings · 4 reviews

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No studies found 1 · 11.1%GRADE not reported 2 · 22.2%Very low 3 · 33.3%Low 2 · 22.2%Moderate 1 · 11.1%High 0 · 0%

Cerebrospinal fluid filtration vs plasma exchange

Participants with 1 or more serious adverse events · patients with Guillain‐Barré syndrome

It is very uncertain whether cerebrospinal fluid filtration changes participants with 1 or more serious adverse events compared with plasma exchange (very low certainty).

1 finding from 1 review

Brain‐derived neurotrophic factor vs placebo

Participants with 1 or more serious adverse events · patients with Guillain‐Barré syndrome

It is very uncertain whether brain‐derived neurotrophic factor changes participants with 1 or more serious adverse events compared with placebo (very low certainty).

1 finding from 1 review

Eculizumab vs placebo

Participants with 1 or more serious adverse events · adults with severe Guillain‐Barré syndrome (GBS disability score > 2), within 2 weeks form onset

Eculizumab showed no clear difference in participants with 1 or more serious adverse events compared with placebo (low certainty).

1 finding from 1 review

Interferon beta‐1a vs placebo

Participants with 1 or more serious adverse events · patients with Guillain‐Barré syndrome

It is very uncertain whether interferon beta‐1a changes participants with 1 or more serious adverse events compared with placebo (very low certainty).

1 finding from 1 review