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  • Title: Treatment of Wilson's disease with zinc. XVIII. Initial treatment of the hepatic decompensation presentation with trientine and zinc.
    Author: Askari FK, Greenson J, Dick RD, Johnson VD, Brewer GJ.
    Journal: J Lab Clin Med; 2003 Dec; 142(6):385-90. PubMed ID: 14713890.
    Abstract:
    We have treated 9 patients who presented with hepatic decompensation resulting from Wilson's disease with a combination of trientine and zinc, generally for at least 4 months, followed by transition to zinc maintenance therapy. All of these patients had hypoalbuminemia, all but 1 had hyperbilirubinemia, and 7 had ascites. All of these patients would have been candidates for liver transplantation on the basis of their initial Child-Turcotte-Pugh (CTP) scores. The minimal listing criteria for transplant candidates is a score greater than 7. Eight of the 9 patients had demonstrated a CTP score of 10 or higher. The other scoring system that has been used in Wilson's disease to determine need for transplantation is the prognostic index of Nazer, in which a score over 6 indicates that the patient is unlikely to survive without a transplant if treated with penicillamine. Two of our patients had Nazer scores higher than 6. With our medical therapy, all 9 of these patients have recovered normal liver function as reflected by normalization of their CTP scores to 5. Because of coexisting neurologic disease, 1 of our 9 patients was initiated on a neurologic protocol and by chance randomized to receive tetrathiomolybdate (TM) and zinc after 2 weeks of trientine/zinc treatment. This patient's liver function recovered much more rapidly than did that of the other 8 patients, all of whom were treated with trientine/zinc, suggesting that TM therapy offers a further advantage. In summary, we were able to take 9 patients who presented with liver failure -8 of whom had CTP scores indicating a potential need for liver transplantation and 2 of whom had Nazer prognostic scores indicating that they were not likely to survive if treated only with penicillamine - and treat them medically, with recovery in all 9. We believe the trientine/zinc combination therapy should be the standard for initial treatment of liver failure in Wilson's disease because its efficacy is equal or slightly superior to that of penicillamine and because it has a much lower incidence of side effects. Moreover, TM warrants study to determine whether therapy for hepatic Wilson's disease can be further improved.
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