Journal
BONE MARROW TRANSPLANTATION
Volume 43, Issue 8, Pages 611-617Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/bmt.2008.372
Keywords
busulfex; BU; hematologic disease
Categories
Funding
- Kirin Pharma Co. Ltd. (Japan)
- PDL Bio Pharma Inc. (USA)
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To evaluate the toxicity and efficacy of an i.v. preparation of BU (12.8 mg/kg), combined with CY (120 mg/kg), a prospective study was performed on 30 Japanese patients (median age, 30 years) with hematologic malignancies undergoing hematopoietic SCT (28 allogeneic transplants from an HLA-matched donor and 2 autologous transplants). There were no significant toxicities, and all but one patient showed evidence of granulocyte engraftment at a median of 14 days for allogeneic and 11 days for autologous transplantation. Grades II-IV acute and chronic GVHD occurred in 9 (9/27, 33%) and 16 patients (16/27, 59%), respectively. Non-relapse mortality at days 100 and 365 was 3 and 17%, respectively. The pharmacokinetics of i.v. BU showed close inter-and intrapatient consistency; the area under the plasma concentration-time curve of the first administration remained at less than 1500 mu mol min/l in 27 of the 29 patients (93%), and between 900 and 1350 mu mol min/l in 22 patients (73%). As all of the profiles overlap with data from non-Japanese patients, we conclude that racial factors may not seriously influence the bioactivity of i.v. BU. Bone Marrow Transplantation (2009) 43, 611-617; doi: 10.1038/bmt.2008.372; published online 17 November 2008
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