Protocol Number: 85-H-0087
An organ of particular importance in transfusional hemochromatosis is the heart. Patients born with diseases requiring blood transfusions at birth begin to develop heart problems in their teens. These patients typically only live for 17 years. Adults that require transfusions can begin experiencing heart problems after 100-200 units of backed red blood cells. Deferoxamine (Desferal) is a drug that binds to iron and allows it to be excreted from the body. It is the only effective way to remove iron from patients who have been overloaded with iron because of multiple transfusions. Previous studies have lead researchers to believe that deferoxamine, when given as an injection under the skin (subcutaneous), can be delay or prevent heart complications. Researchers plan to continue studying patients receiving deferoxamine as treatment for the prevention of heart complications associated with repeated blood transfusions. In this study researchers will attempt; 1)To determine if deferoxamine, given regularly, can indefinitely prevent the heart, liver, and endocrine complications associated with transfusional hemochromatosis 2)To determine whether heart disease caused by transfusional hemochromatosis can be reversed by intensive treatment with deferoxamine.
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