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  • Title: Autologous stem cell transplantation for high-risk Hodgkin's disease: improvement over time and impact of conditioning regimen.
    Author: Subirà M, Sureda A, Martino R, García J, Altés A, Canals C, Domingo-Albós A, Brunet S, Sierra J.
    Journal: Haematologica; 2000 Feb; 85(2):167-72. PubMed ID: 10681724.
    Abstract:
    BACKGROUND AND OBJECTIVE: High-dose chemo/radiotherapy with autologous stem cell support is increasingly being used in Hodgkin's disease (HD) patients who do not respond to or who relapse after conventional chemotherapy. In this work we analyze the results of 56 consecutive high-risk HD patients autografted in our institution and the role of possible prognostic factors. DESIGN AND METHODS: There were 34 males and 22 females with a median age of 31 years. At transplantation, 24 patients (43%) were in complete remission and 32 (57%) were autografted while with active disease. Twenty-nine patients were autografted before January 1993. Bone marrow was used as the source of stem cells in 40 patients (71%) and peripheral blood (PB) in 16 (29%). Forty-five patients received chemotherapy-based conditioning regimens (40 CBV and 5 BEAM) while the remaining 11 received cyclophosphamide (Cy) and total body irradiation (TBI). RESULTS: Two bone marrow transplantation (BMT) recipients did not engraft. Hematologic recovery was significantly faster in patients transplanted with PB progenitor cells. Early transplant-related mortality (early TRM) (before day 100 after transplantation) was 9%; it was higher in patients transplanted before January 1993 than in patients transplanted afterwards (14% vs 4%) and in patients receiving TBI (18% vs 7%), although these differences did not reach statistical significance. Overall TRM (before and after day 100) was 14%. TBI-containing regimens significantly increased overall TRM (36% and 9%, p = 0.03). Actuarial 3.5-year overall survival (OS), event-free survival (EFS) and progression-free survival (PFS) were 57%, 58% and 65%, respectively. On multivariable analysis, TBI containing regimens and transplantation before 1993 significantly reduced OS and EFS. INTERPRETATION AND CONCLUSIONS: Our results confirm that high-dose therapy followed by autologous stem cell transplantation is associated with sustained PFS in a remarkable proportion of patients with HD unlikely to be cured with standard chemotherapy. Results improved over time and TBI containing regimens had a negative effect on post-transplant outcome.
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