Bone marrow transplantation for acute lymphoblastic leukaemia

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Abstract
Summary. Twenty patients have undergone bone marrow transplantation for acute lymphoblastic leukaemia (ALL). Eighteen patients were in complete remission and two had <10% leukaemic blasts in the marrow aspirate in the week prior to transplantation. Eighteen patients were grafted from HLA/MLC compatible siblings. One identical twin and one fully compatible parent were also used as donors. Two patients died of graft-versus-host disease and one of radiation-induced pneumonitis. Four have subsequently relapsed. Thirteen patients remain well and in remission from 202 to 1126 d post transplantation. These results show that morbidity and mortality from the bone marrow transplantation procedure is low. However, the major obstacle to permanent success in marrow tranplantation of patients with ALL is recurrence of the disease (35% actuarial disease free survival at 1126 d).