Findings

What do systematic reviews say?

14 questions · 14 findings · 1 reviews

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No studies found 2 · 14.3%GRADE not reported 0 · 0%Very low 1 · 7.1%Low 7 · 50%Moderate 4 · 28.6%High 0 · 0%

Oral valproic acid vs placebo

Change in disability score · ambulatory adults with SMA type III

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
31 participants
Low

Oral valproic acid vs placebo

Muscle strength · ambulatory adults with SMA type III

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
30 participants
Low

Oral valproic acid vs placebo

Acquiring the ability to stand or walk · ambulatory adults with SMA type III

The review found no eligible studies for this question.

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Oral valproic acid vs placebo

Change in quality of life · ambulatory adults with SMA type III

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
28 participants
Moderate

Oral valproic acid vs placebo

Change in pulmonary function · ambulatory adults with SMA type III

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
24 participants
Low

Oral valproic acid vs placebo

Time from beginning of treatment until death or full‐time ventilation · ambulatory adults with SMA type III

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
33 participants
Low

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

Change in disability score · non‐ambulatory children with SMA types II and III

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 61 participants
Moderate

Oral valproic acid plus acetyl‐L‐carnitine vs placebo

Muscle strength · non‐ambulatory children with SMA types II and III

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 16 participants
Low

Oral valproic acid plus acetyl‐L‐carnitine vs placebo

Acquiring the ability to stand or walk · non‐ambulatory children with SMA types II and III

The review found no eligible studies for this question.

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Oral valproic acid plus acetyl‐L‐carnitine vs placebo

Change in quality of life · non‐ambulatory children with SMA types II and III

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 54 participants
Very low

Oral valproic acid plus acetyl‐L‐carnitine vs placebo

Change in pulmonary function · non‐ambulatory children with SMA types II and III

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 24 participants
Low

Oral valproic acid plus acetyl‐L‐carnitine vs placebo

Time from beginning of treatment until death or full‐time ventilation · non‐ambulatory children with SMA types II and III

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 61 participants
Moderate

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