期刊
TRANSPLANTATION
卷 71, 期 3, 页码 482-484出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00007890-200102150-00025
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资金
- NCI NIH HHS [CA70970] Funding Source: Medline
Background Alloimmunization is a major problem for patients being considered for solid organ transplantation and in patients who require blood transfusion support. We previously demonstrated that high-dose cyclophosphamide (200 mg/kg) without hematopoietic stem cell transplantation leads to durable complete remissions in aplastic anemia and other autoimmune disorders. We now examine the ability of high-dose cyclophosphamide to eliminate alloreactivity. Methods. IgG-specific antibodies to HLA class I were assayed using enzyme-linked immunosorbent assays in 18 consecutive patients with severe aplastic anemia before and after treatment with high-dose cyclophosphamide. Results. Anti-HLA antibodies were detected before or shortly after therapy in 5 of the 18 patients studied. Complete remission of aplastic anemia was achieved in four of these five patients. High-dose cyclophosphamide markedly reduced anti-HLA antibody titers in these four patients; they were completely eradicated in three patients. Only one patient did not achieve significant reduction in the alloantibody titer after high-dose cyclophosphamide. Conclusions. High-dose cyclophosphamide without stem cell transplantation can eradicate HLA-specific alloantibody.
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