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Lancet. 1984 Mar 3;1(8375):472-6.

Depletion of T lymphocytes in donor marrow prevents significant graft-versus-host disease in matched allogeneic leukaemic marrow transplant recipients.


For more than 15 years preclinical studies have suggested that acute graft-versus-host disease (aGvHD) might be prevented by the removal of immunocompetent T lymphocytes from the donor marrow inoculum. To test this observation in man 14 patients were given marrows virtually (greater than 99%) depleted of identifiable donor marrow T lymphocytes by the use of a "cocktail" of specific anti-T-cell monoclonal antibodies (MBG6 and RFT8) and rabbit complement. Patients were not given immunosuppressive prophylaxis after bone-marrow transplantation. Moderate to severe (grades II-IV) GvHD was totally prevented. 2 of 13 evaluable patients showed mild (grade I) skin GvHD only. Although peripheral blood recovery was slower than that obtained with other forms of GvHD prophylaxis, no fatal infections occurred. All patients survived the early post-transplant period.

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