Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

110 questions · 114 findings · 10 reviews · Neuromuscular

No studies found 25 · 21.9%GRADE not reported 5 · 4.4%Very low 29 · 25.4%Low 20 · 17.5%Moderate 27 · 23.7%High 8 · 7%

Eculizumab vs placebo

Improvement in disability grade Defined as achievement of a specified degree of improvement · adults with severe Guillain‐Barré syndrome (GBS disability score > 2), within 2 weeks form onset

Eculizumab showed no clear difference in improvement in disability grade Defined as achievement of a… compared with placebo (low certainty).

1 finding from 1 review

Eculizumab vs placebo

Death or disability after 12 months In the absence of data at 12 months, we report the outcome at 6 months · adults with severe Guillain‐Barré syndrome (GBS disability score > 2), within 2 weeks form onset

It is very uncertain whether eculizumab changes death or disability after 12 months In the absence of data at 12… 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

Brain‐derived neurotrophic factor vs placebo

Improvement in disability grade Defined as achievement of a specified degree of improvement · patients with Guillain‐Barré syndrome

It is very uncertain whether brain‐derived neurotrophic factor changes improvement in disability grade Defined as achievement of a… compared with placebo (very low certainty).

1 finding from 1 review

Intervention not reported

Change in disability after one year · people with chronic inflammatory demyelinating polyradiculoneuropathy

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Change in impairment after 12 weeks (excluding those who did not complete the study) NIS score (range 0 to 280) · people with chronic inflammatory demyelinating polyradiculoneuropathy
1 finding from 1 review

Intervention not reported

Change in impairment after 12 weeks (including those who did not complete the study) NIS (range 0 to 280) · people with chronic inflammatory demyelinating polyradiculoneuropathy
1 finding from 1 review

Intervention not reported

Number of participants improved after 12 weeks (excluding those who did not complete the study) NIS score (range 0 to 280) · people with chronic inflammatory demyelinating polyradiculoneuropathy

It is very uncertain whether the intervention changes number of participants improved after 12 weeks (excluding those who… (very low certainty).

1 finding from 1 review

Intervention not reported

Number of participants improved after 12 weeks (including those who did not complete the study) NIS (range 0 to 280) · people with chronic inflammatory demyelinating polyradiculoneuropathy

It is very uncertain whether the intervention changes number of participants improved after 12 weeks (including those who… (very low certainty).

1 finding from 1 review