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 1 · 50%Moderate 1 · 50%High 0 · 0%

Oral valproic acid vs placebo

Adverse events related to treatment · ambulatory adults with SMA type III

Oral valproic acid showed no clear difference in adverse events related to treatment compared with placebo (low certainty).

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
RR 0.8 [0.44, 1.44]
33 participants
Low

Oral valproic acid plus acetyl‐L‐carnitine vs placebo

Adverse events related to treatment · non‐ambulatory children with SMA types II and III

Oral valproic acid plus acetyl‐L‐carnitine showed no clear difference in adverse events related to treatment compared with placebo (moderate certainty).

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
RR 1.32 [0.92, 1.89]
1 study · 61 participants
Moderate