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  • Title: Allogeneic bone marrow or peripheral blood cell transplants in adults with hematologic malignancies: a single-center experience.
    Author: Bacigalupo A, Zikos P, Van Lint MT, Valbonesi M, Lamparelli T, Gualandi F, Occhini D, Mordini N, Bregante S, Berisso G, Vitale V, Sessarego M, Marmont AM.
    Journal: Exp Hematol; 1998 May; 26(5):409-14. PubMed ID: 9590657.
    Abstract:
    This is a retrospective study of 97 patients who received either allogeneic bone marrow transplant (BMT) (n=52) or peripheral blood cell transplant (PBCT) (n=45) at our institution from human leukocyte antigen (HLA)-identical sibling donors between January 1994 and January 1997. The two groups were comparable with respect to diagnosis, age, sex, interval from diagnosis, and disease phase. They were prepared with cyclophosphamide (CY) and fractionated total-body irradiation (TBI) (n=51) or CY and thiotepa (n=46). Graft-vs.-host disease (GVHD) prophylaxis consisted of cyclosporin A and methotrexate. Patients who received PBCT exhibited faster neutrophil engraftment (day 14 vs. day 16, p = 0.002) than those in the BMT group, as well as higher platelet counts on day 20 (32x10(9)/kg vs. 21x10(9)/kg, p = 0.001), but graft function as assessed by platelet counts on days 50, 100, and thereafter was comparable. The number of days spent in the hospital, days on intravenous antibiotics, and days of fever were lower in the PBCT group, but not significantly. Acute GVHD, chronic GVHD, and cytomegalovirus infections were comparable between the two groups. The overall actuarial 3-year transplant-related mortality (TRM) rate for BMT vs. PBCT patients was 20 vs. 33% (p = 0.1), the survival rate was 53 vs. 48% (p = 0.3), and the relapse rate was 42 vs. 43% (p = 0.8). For patients in first complete remission, these figures were TRM 12 vs. 22% (p = 0.2), survival rate 75 vs. 70% (p = 0.4) and relapse rate 31 vs. 9% (p = 0.4), respectively, for the BMT and PBCT groups. These data suggest that the short-term outcome of allogeneic PBCT is not significantly different from that of allogeneic BMT in patients with hematologic malignancies. Long-term results are not available at present.
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