Effect of iron depletion on long-term response to interferon in patients with chronic hepatitis C with increased plasma iron without accumulation of liver iron |
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Authors: | Cagnoni C Corsini F Pancotti D Carrara G |
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Institution: | Dipartimento delle Medicine Interne, Ospedale Civile di Piacenza. carlocagnoni@libero.it |
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Abstract: | We studied the effect of iron depletion on the response to subsequent interferon therapy in a population of 83 patients affected by chronic hepatitis C who had not previously undergone any specific therapy and who had laboratory confirmation of iron overload (serum ferritin > 400 ng/mL in the males and > 300 ng/mL in the females). The population was divided into two homogeneous groups. Group A consisted of 43 patients who underwent phlebotomy (300 mL every 10-15 days for an average total of 8 sessions) until serum ferritin levels of < 100 ng/mL were obtained. The 40 patients in Group B were treated with interferon without prior iron depletion. Iron depletion alone, induced in Group A, brought about a highly significant (p < 0.01) reduction of alanine aminotransferase serum values: from 165 U/L (range 60-370 U/L) to 67 U/L (range 27-158 U/L). Seventy-six patients completed therapy and follow-up: a complete and sustained response was obtained in 12/39 cases in Group A and in 6/37 cases in Group B (p < 0.05). Iron depletion carried out in patients with chronic hepatitis C, who have elevated base values of serum ferritin, induces a significant reduction in necro-inflammatory activity (notable decrease in average alanine aminotransferase values) and improves the response to subsequent treatment with interferon, although it does not modify the viral load. |
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