Findings

What do systematic reviews say?

7 questions · 7 findings · 1 reviews

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

Risk of HAE attacks (during · children or adults with Types I or II HAE

Avoralstat showed no clear difference in risk of HAE attacks (during compared with placebo (moderate certainty).

1 finding from 1 review

Interventions for the long‐term prevention of hereditary angioedema attacks 2022 · Cochrane Headline outcomes only
RR 0.99 [0.92, 1.06]
1 study · 110 participants
Moderate

Change in number of HAE attacks (per week) · children or adults with Types I or II HAE

1 finding from 1 review

Interventions for the long‐term prevention of hereditary angioedema attacks 2022 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 134 participants
Low

Mortality (during · children or adults with Types I or II HAE

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for the long‐term prevention of hereditary angioedema attacks 2022 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Serious adverse events (during · children or adults with Types I or II HAE

It is very uncertain whether avoralstat changes serious adverse events (during compared with placebo (very low certainty).

1 finding from 1 review

Interventions for the long‐term prevention of hereditary angioedema attacks 2022 · Cochrane Headline outcomes only
RR 0.33 [0.01, 7.8]
1 study · 24 participants
Very low

Quality of lifeAngioedema Quality of Life scale (lower score is better)(during · children or adults with Types I or II HAE

1 finding from 1 review

Interventions for the long‐term prevention of hereditary angioedema attacks 2022 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 93 participants
Moderate

Disability (any validated scale) (during · children or adults with Types I or II HAE

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for the long‐term prevention of hereditary angioedema attacks 2022 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Adverse events (during · children or adults with Types I or II HAE

Avoralstat showed no clear difference in adverse events (during compared with placebo (low certainty).

1 finding from 1 review

Interventions for the long‐term prevention of hereditary angioedema attacks 2022 · Cochrane Headline outcomes only
RR 0.85 [0.62, 1.16]
1 study · 24 participants
Low