Findings

What do systematic reviews say?

1,138 questions · 1,154 findings · 139 reviews · Headline outcomes only

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No studies found 184 · 15.9%GRADE not reported 183 · 15.9%Very low 273 · 23.7%Low 296 · 25.6%Moderate 171 · 14.8%High 47 · 4.1%

Oral hydroxyurea vs placebo

Change in pulmonary function · children and adults 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 · 57 participants
Low

Intrathecal injected nusinersen vs sham

Change in disability score · children with SMA type II

Intrathecal injected nusinersen probably leads to higher change in disability score compared with sham procedure (moderate certainty).

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
MD 5.9 [3.7, 8.1]
1 study · 126 participants
Moderate

Intrathecal injected nusinersen vs sham

Change in disability score (3 point‐change) · children with SMA type II

Intrathecal injected nusinersen showed no clear difference in change in disability score (3 point‐change) compared with sham procedure (moderate certainty).

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
RR 1.8 [0.99, 3.1]
1 study · 126 participants
Moderate

Intrathecal injected nusinersen vs sham

Muscle strength · children with SMA type II

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

Intrathecal injected nusinersen vs sham

Acquiring the ability to stand or walk · children with SMA type II

Intrathecal injected nusinersen showed no clear difference in acquiring the ability to stand or walk compared with sham procedure (low certainty).

1 finding from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
RR 0.5 [0.03, 7.8]
1 study · 126 participants
Low

Intrathecal injected nusinersen vs sham

Change in quality of life · children with SMA type II

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

Intrathecal injected nusinersen vs sham

Change in pulmonary function · children with SMA type II

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 creatine vs placebo

Acquiring the ability to stand or walk · 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 olesoxime vs placebo

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

4 findings from 1 review

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 160 participants
Very low
Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 160 participants
Very low
Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
RR 1.43
1 study · 160 participants
Very low

Show 1 more finding

Drug treatment for spinal muscular atrophy types II and III 2020 · Cochrane Headline outcomes only
no estimate extracted
1 study · 160 participants
Low

Oral olesoxime vs placebo

Muscle strength · non‐ambulatory children and adolescents 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 olesoxime vs placebo

Acquiring the ability to stand or walk · non‐ambulatory children and adolescents 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 olesoxime vs placebo

Change in quality of life · non‐ambulatory children and adolescents 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 · 108 participants
Low

Oral olesoxime vs placebo

Change in pulmonary function · non‐ambulatory children and adolescents 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 · 102 participants
Low

Oral creatine vs placebo

Change in quality of life · 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 · 38 participants
Low

Oral phenylbutyrate vs placebo

Change in disability score · children with SMA type II

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 · 90 participants
Low

Oral phenylbutyrate vs placebo

Muscle strength · children with SMA type II

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 · 70 participants
Low

Oral phenylbutyrate vs placebo

Acquiring the ability to stand or walk · children with SMA type II

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 phenylbutyrate vs placebo

Change in quality of life · children with SMA type II

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 phenylbutyrate vs placebo

Change in pulmonary function · children with SMA type II

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 · 67 participants
Low

Subcutaneous somatotropin vs placebo

Change in disability score · children and adults 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
19 participants
Very low