Journal
BONE MARROW TRANSPLANTATION
Volume 46, Issue 1, Pages 70-76Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/bmt.2010.83
Keywords
4cord blood transplantation; registry; leukemia; mortality
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Funding
- Gamida-Teva JV
- NATIONAL CANCER INSTITUTE [U24CA076518, R01CA061508] Funding Source: NIH RePORTER
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A retrospective analysis was conducted to examine factors affecting early mortality after myeloablative, single-unit cord blood transplantation (CBT) for hematological malignancies in adolescents and adults. Data were collected from the three main CBT registries pooling 514 records of unrelated, single, unmanipulated, first myeloablative allogeneic CBTs conducted in North America or Europe from 1995 to 2005, with an HLA match >= 4/6 loci, in patients aged 12-55. Overall 100-day, 180-day and 1-year survival (Kaplan-Meier method) were 56, 46 and 37%, respectively, with no significant heterogeneity across registries. Multivariate analysis showed cell dose <2.5 x 10(7)/kg (odds ratio (OR) 2.76, P<0.0001), older age (P = 0.002), advanced disease (P = 0.02), positive CMV sero-status (OR 1.37 P = 0.11), female gender (OR 1.43, P = 0.07) and limited CBT center experience (<10 records contributed, OR 2.08, P = 0.0003) to be associated with higher 100-day mortality. A multivariate model predictive of 1-year mortality included similar prognostic factors except female gender. Transplant year did not appear as a significant independent predictor. This is the first analysis to pool records from three major CBT registries in the United States and Europe. In spite of some differences in practice patterns, survival was remarkably homogeneous. The resulting model may contribute to better understanding factors affecting CBT outcomes. Bone Marrow Transplantation (2011) 46, 70-76; doi:10.1038/bmt.2010.83; published online 3 May 2010
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