Vox sanguinis · 2021
Amlodipine as adjuvant therapy to current chelating agents for reducing iron overload in thalassaemia major: a systematic review, meta-analysis and simulation of future studies.
СтатьяМетаанализСистематический обзорНазвание и аннотация: Перевод в очереди
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Elfaituri Muhammed Khaled, Ghozy Sherief, Ebied Amr, Morra Mostafa Ebraheem, Hassan Osama Gamal, Alhusseiny Ahmed, Abbas Alzhraa Salah, Sherif Nourin Ali, Fernandes Juliano Lara, Huy Nguyen Tien
Аннотация
BACKGROUND AND OBJECTIVES: Iron overload in thalassaemia is a crucial prognostic factor and a major cause of death due to heart failure or arrhythmia. Therefore, previous research has recommended amlodipine as an auxiliary treatment to current chelating agents for reducing iron overload in thalassaemia patients.
MATERIALS AND METHODS: A systematic review and meta-analysis of the results of three randomized clinical trials evaluating the use of amlodipine in thalassaemia patients through 12 databases were carried out.
RESULTS: Our final cohort included 130 patients. Insignificant difference in decreasing liver iron concentrations was found between amlodipine and control groups {weighted mean difference = -0·2, [95% confidence interval = (-0·55-0·15), P = 0·26]}. As regards serum ferritin, our analysis also showed no significant difference in serum ferritin between amlodipine and control groups {weighted mean difference [95% confidence interval = -0·16 (-0·51-0·19), P = 0·36]}. Similarly, there was insignificant difference in cardiac T2* between amlodipine and control groups {weighted mean difference [95% confidence interval = 0·34 (-0·01-0·69), P = 0·06]}.
CONCLUSIONS: Despite the growing evidence supporting the role of amlodipine in reducing iron overload in thalassaemia patients, our meta-analysis did not find that evidence collectively significant. The results of our simulation suggest that when more data are available, a meta-analysis with more randomized clinical trials could provide more conclusive insights.
MATERIALS AND METHODS: A systematic review and meta-analysis of the results of three randomized clinical trials evaluating the use of amlodipine in thalassaemia patients through 12 databases were carried out.
RESULTS: Our final cohort included 130 patients. Insignificant difference in decreasing liver iron concentrations was found between amlodipine and control groups {weighted mean difference = -0·2, [95% confidence interval = (-0·55-0·15), P = 0·26]}. As regards serum ferritin, our analysis also showed no significant difference in serum ferritin between amlodipine and control groups {weighted mean difference [95% confidence interval = -0·16 (-0·51-0·19), P = 0·36]}. Similarly, there was insignificant difference in cardiac T2* between amlodipine and control groups {weighted mean difference [95% confidence interval = 0·34 (-0·01-0·69), P = 0·06]}.
CONCLUSIONS: Despite the growing evidence supporting the role of amlodipine in reducing iron overload in thalassaemia patients, our meta-analysis did not find that evidence collectively significant. The results of our simulation suggest that when more data are available, a meta-analysis with more randomized clinical trials could provide more conclusive insights.