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Hemoglobin
international journal for hemoglobin research
Volume 12, 1988 - Issue 5-6
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Original Article

Bone Mrrow Transplantation in β-Twiassemia Major the Israeli Experience

, , , , , & show all
Pages 609-614 | Received 16 Feb 1988, Accepted 01 Jun 1988, Published online: 07 Jul 2009
 

Abstract

The present report summarizes our experience in applying a new approach in bone marrow transplantation for the treatment of β-thalassemia major. Ex-vivo pretransplant T-lymphocyte depletion with CAMPATH-1 was used for prevention of acute and chronic graft versus host disease and total lymphoid irradiation was added for the conditioning regimen for aborgation of potential rejection of T-cell depleted marrow allografts. Ten patients with homozygous β-thalassemia major were 9–48 months of age (median 18.5 months) and received HLA-identical allogeneic T-cell depleted marrow after treatment with total lymphoid irradiation, busulfan and cyclophos-phamide. Seven patients are alive and free of disease, 3–46 months post-transplantation. The actuarial probability of survival and of disease-free survival at two years was 70%. Three patients died: one of intracranial hemorrhage post-transplantation, one from busulfan interstitial pneumonitis, and one who rejected the first graft and developed fatal chronic graft versus host disease after a second transplant. Seven patients are alive and well with follow-up of 3–45 months, with no signs of acute or chronic GVHD. We conclude that T-cell depleted bone marrow transplantation is indicated for homozygous transfusion dependent young patients with β-thalassemia who are minimally transfused, particularly in areas where optimal conventional therapy is not feasible.

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