Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

18 questions · 18 findings · 1 reviews

No studies found 10 · 55.6%GRADE not reported 0 · 0%Very low 5 · 27.8%Low 3 · 16.7%Moderate 0 · 0%High 0 · 0%

Single foetal haemoglobin inducer at any dose or duration vs placebo or usual care

Adverse events · people with non‐transfusion‐dependent β‐thalassaemia

It is very uncertain whether single foetal haemoglobin inducer at any dose or duration changes adverse events compared with usual care or placebo (very low certainty).

1 finding from 1 review

Two or more foetal haemoglobin inducers at any dose or duration vs a usual management protocol, placebo or a single foetal haemoglobin inducer

Frequency of transfusion (transfused volume/year) · people with non‐transfusion‐dependent β‐thalassaemia

The review found no eligible studies for this question.

1 finding from 1 review

Two or more foetal haemoglobin inducers at any dose or duration vs a usual management protocol, placebo or a single foetal haemoglobin inducer

Transfusion‐free interval (days) · people with non‐transfusion‐dependent β‐thalassaemia

The review found no eligible studies for this question.

1 finding from 1 review

Two or more foetal haemoglobin inducers at any dose or duration vs a usual management protocol, placebo or a single foetal haemoglobin inducer

Measures of HbF · people with non‐transfusion‐dependent β‐thalassaemia

The review found no eligible studies for this question.

1 finding from 1 review