Bone marrow transplantation: a review of a programme and its first 100 patients

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Abstract
We review the first 100 patients receiving a bone marrow transplant as definitive therapy for their underlying disease. These patients were treated between May 1975 and June 1988. Median age was 8 years (range, 1 month to 43 years). Initially, patients were given transplants late in their disease but, as the program progressed, patients were given transplants earlier and while in remission from their disease. The types of disease considered for treatment by bone marrow transplantation (BMT) expanded from leukaemia, and aplastic anaemia to include neuroblastoma, thalassaemia and immune deficiency. Initially matched donors were used but the source of marrow broadened to include mismatched family members, matched unrelated donors and autologous marrow. Problems after BMT were rejection (11%), acute graft-versus-host disease (GVHD) (45%), interstitial pneumonitis (22%) and relapse (36%). Recurrence of disease was the cause of half the deaths. GVHD was less frequent with the use of methotrexate and cyclosporin, T-cell depleted marrow or matched donors. Interstitial pneumonitis was more commonly associated with the use of mismatched donors and the development of GVHD. Relapse was less likely when BMT was undertaken in the first remission. At least one long-term side effect was seen in the patients treated with total body irradiation whereas no patient treated without irradiation had long-term side effects. The rate of disease free survival of patients at 24 months was 56% for matched, 48% for closely matched, 46% for autologous and 29% for mismatched transplants. For matched transplants mortality within the first 6 months after transplantation decreased from 28% before 1984 to 5% since 1984. Fifty-one patients have survived to June 1989, 49 of them disease free, for periods ranging from 12 to 123 months (median 29 months).