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  • Title: Total body irradiation and high-dose cyclophosphamide, BCNU and VP-16 (CBV) as a new preparatory regimen for allogeneic bone marrow transplantation in patients with advanced hematologic malignancies.
    Author: Wu DP, Milpied N, Moreau P, Mechinaud-Lacroix F, Mahe B, Le Tortorec S, Rapp MJ, Bourdin S, Mahe JM, Harousseau JL.
    Journal: Bone Marrow Transplant; 1994 Nov; 14(5):751-7. PubMed ID: 7889008.
    Abstract:
    To increase the cure rate of advanced hematologic malignancies following allogeneic bone marrow transplantation we sequentially evaluated two intensified conditioning regimens. Eleven patients with acute myeloblastic leukemia (AML) beyond the first complete remission or chronic myelogenous leukemia (CML) not in first chronic phase received an association of 13.5 Gy of fractionated total body irradiation (TBI) followed by cyclophosphamide (CY) 120 mg/kg. Following this regimen, the probability of relapse was 47% at 3 years and the non-relapse mortality rate was 27%. Given the acceptable tolerance of this regimen, 13.5 Gy fractionated TBI was associated with intensified chemotherapy consisting of a combination of CY 120 mg/kg, carmustine 300 mg/m2 and etoposide 600 mg/m2 (CBV). This regimen was administered to 22 patients with comparable diseases. Of these patients, 7 received a transplant from a matched unrelated donor and 2 other patients received a second transplant from the original genoidentical donor. For 15 patients with a genoidentical donor, including the 2 second transplant, the 3 year probability of survival, disease-free survival and relapse are 40%, 40% and 14%, respectively. No regimen-related toxic deaths were recorded during the first 100 days. Of 7 patients with matched unrelated donors, 3 died before day 100, one death being directly attributable to the regimen. Early non-fatal regimen-related toxicity consisted mainly in grade II mucositis with no grade III or IV toxicity in recipients of genoidentical marrow. The late deaths were mainly due to chronic GVH-related complications. In conclusion, the association of fractionated 13.5 Gy TBI and CBV carries a high antileukemic activity and an acceptable toxicity.(ABSTRACT TRUNCATED AT 250 WORDS)
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