OBJECTIVES: I. Determine the efficacy of a combination of methotrexate and cyclosporine, administered after grafting, to prevent the development of acute graft versus host disease (GVHD) in patients undergoing allogeneic bone marrow transplantation.
OUTLINE: Patients receive methotrexate IV on days 1,3,6, and 11. Patients also receive cyclosporine IV twice a day until the patient is eating, then it is administered orally twice a day. Cyclosporine begins on day -1 and continues until day 180. The dose is reduced beginning on day 50.
PROJECTED ACCRUAL: Accrual will continue until further notice.
