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Effect of Deferiprone on Liver Iron Overload and Fibrosis in Hepatitis C Virus-Infected Thalassemia

To assess the effects of liver iron overload and fibrosis after treatment with a chelating agent in hepatitis C virus (HCV)-infected thalassemia, from April 1999 to July 2004, 45 patients with thalassemia major (age range 9–33 years, mean 19.3) received daily deferiprone (L1) for 23–60 months (75 mg/kg). The patients were divided into two groups on the basis of their hepatitis status (27 with, 18 without). Their serum was analyzed for alanine aminotransferase (GPT), aspartate aminotransferase (GOT), bilirubin (total/direct), r-glutamyl transpeptidase (r-GT), alkaline phosphatase (Alk-P), and ferritin. Liver iron overload and fibrosis were defined by a senior pathologist. No significant differences were demonstrated in serum levels of GPT, GOT, bilirubin, r-GT, Alk-P or ferritin; comparison was made for each group before and after L1 treatment. Iron scores were 2.3 ± 0.9 and 2.8 ± 0.9 for the hepatitis C negative and positive groups, respectively (p = 0.07), with liver fibrosis scores of 1.0 ± 0.5 and 0.4 ± 0.52 (p = 0.56). The two scores were not higher for the positive group. There was no evidence of: 1) greater iron overload and fibrosis in the HCV-infected thalassemic patients; 2) L1 inducing progressive hepatic fibrosis or worsening iron overload in HCV-infected thalassemic patients after long-term therapy; 3) further damage to liver cells associated with L1 treatment.