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Egbali A, Rahmi Afzal R, Hashemi M, Eghbali A, Taherkhanchi B, Bagheri B. A Randomized, Controlled Study Evaluating the Effects of Silymarin Addition to Deferasirox on the Liver Function of Children with Transfusion-Dependent Thalassemia. Iran J Ped Hematol Oncol 2021; 11 (4) :255-262
URL: http://ijpho.ssu.ac.ir/article-1-592-en.html

Background: Frequent blood transfusion can lead to iron overload which is potentially dangerous for the heart and liver. Silymarin has well-documented protective effects on hepatocytes. The purpose of this study was to evaluate the hepatoprotective effects of silymarin addition to iron chelators in children with thalassemia.
Materials and Methods: This randomized, double-blinded, and placebo-controlled trial was performed on 40 subjects with thalassemia major and intermedia in Amir Kabir Hospital, Arak, Iran. Subjects were randomized 1:1 oral to 30 mg/kg deferasirox plus placebo, or deferasirox plus oral 70-140 mg silymarin (twice daily) for 6 months. Cardiac and hepatic iron levels and levels of Gamma-glutamyltransferase (GGT), Alanine transaminase (ALT), Aspartate transaminase (AST), Alkaline phosphatase (ALP), total bilirubin, albumin, total protein, and total cholesterol were measured at baseline and after 6 months of treatment.
Results: The mean age of patients was 16 years and 60% of patients were female. After 6 months, there were significant increases in the levels of ALT, AST, GGT, and TG in the placebo group as compared to the silymarin group (P < 0.05). In contrast, ALT, AST, and GGT had significant reductions compared to the silymarin group (P =0.05). Patients in the placebo group had a rise in total bilirubin (P = 0.07), but total protein and albumin did not have significant changes in the silymarin group (P > 0.05). Finally, a significant improvement was noted in cardiac iron values in patients using silymarin; 22.2 ± 6.6 ms at baseline vs 26.9 ± 7.1 ms at 6 months (P < 0.05).
Conclusion: This study suggests that twice-daily addition of silymarin to deferasirox could improve liver function in children with thalassemia major and intermedia. Silymarin seems safe in pediatrics.