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  • Title: High-dose cyclosporine and corticosteroids for prophylaxis of acute and chronic graft-versus-host disease.
    Author: Schwinghammer TL, Bloom EJ, Rosenfeld CS, Wilson JW, Przepiorka D, Shadduck RK.
    Journal: Bone Marrow Transplant; 1995 Jul; 16(1):147-54. PubMed ID: 7581115.
    Abstract:
    Twenty-eight consecutive recipients of HLA-identical sibling marrow grafts received prophylaxis for GVHD with high-dose cyclosporine (CsA) and corticosteroids. CsA 5 mg/kg/day (2.5 mg/kg infused over 4 h twice daily) was started on day -1 and continued until patients could take oral CsA (15 mg/kg/day). CsA doses were adjusted to maintain concentrations between 200-800 ng/ml (whole-blood HPLC) until the tapering period (days 268-361). Methylprednisolone 0.5 mg/kg/day was started on day 7, increased to 1 mg/kg/day during days 15-28, and tapered thereafter until discontinuance on day 194. Low CsA trough levels occurred in 15 patients (54%) during the i.v. administration period. Ten patients (36%) developed grade I and 3 patients (11%) developed grade II acute GVHD; there were no cases of grade III or IV disease. The actuarial incidence of chronic GVHD was 29% at 1 year but 57% at 2 years due to development of chronic GVHD after discontinuation of immunosuppressive agents. High blood CsA concentrations in stable outpatients led to dose-limiting nephrotoxicity. Infections occurred throughout the period of extended immunosuppression (from 6 to 12 months) but were not life-threatening. The actuarial incidence of leukemic relapse was 18% at 1 year and 25% at 2 years. Actuarial survival at 1 and 2 years was 68 and 51%, respectively. Despite the frequent occurrence of low CsA trough levels, this regimen appeared to be effective in preventing acute GVHD. Immunosuppressive prophylaxis beyond 1 year may be required to reduce late-onset chronic GVHD.
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