Cochrane · systematic review · CD011626

Calcium channel blockers for preventing cardiomyopathy due to iron overload in people with transfusion‐dependent beta thalassaemia

Padhani, ZA, Gangwani, MK, Sadaf, A, et al. · Cochrane Database of Systematic Reviews · 2023 · Cochrane Library

Cystic Fibrosis and Genetic Disorders2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
7
current version
GRADE rated
7
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 1 · 14.3%Low 5 · 71.4%Moderate 1 · 14.3%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Show all 2 versions

Amlodipine plus standard iron chelation therapy versus standard iron chelation therapy (alone or with placebo) for preventing cardiomyopathy due to iron overload in people with transfusion‐dependent beta thalassaemia

Population: or population: people with transfusion‐dependent beta thalassaemia
7 questions
OutcomeEffectEvidenceStatus / GRADE
Cardiac T2* value
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
no estimate extracted4 studies · 191 participantsLow
Downgraded: risk of bias, imprecision
MIC
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
no estimate extracted3 studies · 138 participantsLow
Downgraded: risk of bias, imprecision
LVEF (echocardiography)
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
no estimate extracted3 studies · 136 participantsLow
Downgraded: risk of bias, imprecision
Serum ferritin
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
no estimate extracted4 studies · 187 participantsLow
Downgraded: risk of bias, imprecision
Liver T2* value
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
no estimate extracted3 studies · 127 participantsLow
Downgraded: risk of bias, imprecision
LIC
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
no estimate extracted2 studies · 123 participantsModerate
Downgraded: imprecision
Adverse events
Amlodipine plus standard iron chelation therapy vs standard iron chelation therapy (alone or with placebo)
no estimate extracted5 studies · 234 participantsVery low
Downgraded: risk of bias, imprecision