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Successful bone marrow transplantation in children with severe aplastic anemia using HLA‐partially matched family donors

American Journal of Hematology, ISSN: 1096-8652, Vol: 42, Issue: 3, Page: 328-333
1993
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Article Description

Bone marrow transplantation (BMT) using HLA‐partially matched family donors has produced disappointing results (25–30% of long‐term survivors) in patients with severe aplastic anemia. We describe two children affected by severe aplastic anemia, not responsive to immunosuppressive therapy, who underwent allogeneic bone marrow transplantation using a HLA‐partially matched family donor. Both cases presented 2 first class HLA‐antigens (A and B) disparity between donor and recipient. The pretransplant conditioning regimen consisted of cyclophosphamide, thoracoabdominal irradiation, cytosine‐arabinoside, and antilymphocyte globulin. As graft versus host disease (GVHD) prophylaxis, Cyclosporine‐A was administered at usual dosages for 6 months. A full marrow engraftment was observed in both cases. Only grade I acute GVHD, promptly responsive to corticosteroid therapy, developed with no chronic GVHD. Five months after transplant, both children progressively developed hypertension, renal function impairment, thrombocytopenia, and severe normochromic anemia, with erythropoietin serum levels lower than expected for the haematocrit. After antihypertension treatment and supportive therapy, the clinical picture progressively improved, while treatment with recombinant human erythropoietin completely corrected the long‐lasting anemia. The two children are alive and well 28 months after the transplant, with a Karnofsky score of 100% and a normal peripheral blood count. The authors suggest that, once immunosuppressive therapy has failed, BMT from donors other than HLA‐identical sibling is a feasible approach in children affected by severe aplastic anemia, not having an HLA‐identical donor. © 1993 Wiley‐Liss, Inc. Copyright © 1993 Wiley‐Liss, Inc., A Wiley Company

Bibliographic Details

Franco Locatelli; Fulvio Porta; Marco Zecca; Paolo Pedrazzoli; Rita Maccario; Simona Giani; Arnalda Lanfranchi; Luigi Nespoli; Francesca Severi; Vito Vitale; Myriam Martinetti; Evelina Mazzolari; Andrea Bacigalupo

Wiley

Medicine

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