Acute immune hemolysis induced by a degradation product of amphotericin B |
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Authors: | A Salama M Burger C Mueller-Eckhardt |
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Institution: | (1) Department of Internal Medicine, Justus-Liebig-University, D-6300 Giessen, Federal Republic of Germany;(2) Department of Pediatrics (Inselspital), University of Berne, Berne, Switzerland;(3) Institute for Clinical Immunology and Transfusion Medicine, Justus-Liebig-University, Langhansstrasse 7, D-6300 Giessen, Federal Republic of Germany |
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Abstract: | Summary We report here on an eight-year-old boy who first developed acute intravascular hemolysis following therapy with amphotericin B (AmB) and subsequently a delayed hemolytic transfusion reaction due to alloantibodies. Although there is as yet no evidence for metabolism of AmB in vivo, the hemolysis appeared to be the result of sensitization against a degradation product of the drug. The patient's serum contained a hemagglutinating IgM antibody that reacted with all red blood cells (RBC) tested in the presence of plasma obtained from patients receiving AmB (ex vivo antigen), but not in the presence of their urine, AmB itself, or with AmB-pretreated RBC. These findings indicate that the antibody was directed against a degradation product of AmB, presumably a trace metabolite, that has not yet been identified. |
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Keywords: | Drug-dependent immune hemolytic anemia Amphotericin B |
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