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No difference in myocardial iron concentration and serum ferritin with deferasirox and deferiprone in pediatric patients with hemoglobinopathies: A systematic review and meta-analysis

Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan. Electronic address: arishasaleem11@gmail.com. Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan. Electronic address: eishawaqar15@gmail.com. Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan. Electronic address: hasanshuja6@gmail.com. Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan. Electronic address: unaizanaeem.gs@gmail.com. Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan. Electronic address: abdulmoeed117@outlook.com. Department of Paediatrics, Ziauddin University Hospital, Karachi, Pakistan. Electronic address: heena.rais@zu.edu.pk. Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan. Electronic address: jawadahmedd13@gmail.com.

Transfusion clinique et biologique : journal de la Societe francaise de transfusion sanguine. 2022
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Abstract
OBJECTIVES Iron overload is a common complication experienced by transfusion-dependent children with hemoglobin disorders. Chelators such as deferasirox (DFX) and deferiprone (DFP) are effective in overcoming this problem. We conducted this systematic review and meta-analysis to evaluate the effectiveness of DFX compared to DFP in treating iron overload amongst pediatric patients with hemoglobin disorders. MATERIAL AND METHODS PubMed and Cochrane Central were searched from their inception until Dec 21 2021, for randomized clinical trials (RCTs) and observational studies, which assessed the efficacy of DFX compared to DFP in the treatment of inherited hemoglobin disorders. The outcomes of interest included myocardial iron concentration (MRI T2*) at the end of the trial and change in mean serum ferritin (SF) levels at the 6 and 12 months mark. Weighted mean differences (WMDs) with their corresponding 95% confidence intervals (CIs) were calculated for continuous outcomes using random effects model. RESULTS A total of 5 studies comprising 607 children were included. The results of our analysis revealed no significant difference between DFX and DFP in MRI T2* at the end of treatment (WMD: -0.92;95% CI[-3.35,1.52]; p=0.46; I(2)=0). Moreover, there has been no significant difference noted in SF levels at both 6 months (WMD: 97.31; 95% CI[-236.16,430.77]; p=0.57; I(2)=0) and 12 months (WMD: 46.99; 95% CI[-191.42,285.40]; p=0.70; I(2)=0) respectively. CONCLUSION Our analysis shows no significant difference between the efficacy of DFX and DFP in the management of iron overload in children with inherited blood disorders. Future large-scale clinical trials are required to further validate our results.
Study details
Study Design : Systematic Review
Language : eng
Credits : Bibliographic data from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine