Abstract
The assessment of a hematopoietic stem cell transplant (HSCT)-specific comorbidity index (HCT-CI) has been developed to predict the risk of TRM in patients undergoing allogeneic HSCT. As the myeloablative fludarabine/i.v. busulfan (FluBu4) regimen has been associated with limited extra-hematologic toxicity, we analyzed whether the HCT-CI represents a useful tool in transplant patients conditioned with this regimen. Of the 52 consecutive patients who received an allogeneic HSCT with FluBu4 at our institution, 50 were evaluable for assessing pre-transplant HCT-CI. Patients were divided into three groups: score 0 (n=7); score 1–2 (n=17) and score >3 (n=26). The three groups did not differ significantly in age, diagnosis, previous lines of chemotherapy and type of donor. High-risk disease was present in 57% of low, 82% of intermediate and 85% of high HCT-CI score groups (P=ns). Two-year TRM and OS was 14.3 and 85.7% in the low score group, 23.5 and 58.8% in the intermediate score group and 15.4 and 50% in the high HCT-CI score group (P=ns). In this study, the HCT-CI lacked sensitivity to reliably predict TRM although patients with no comorbidities showed a trend for improved survival.
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Acknowledgements
This project was supported by the University of Illinois at Chicago (UIC) Center for Clinical and Translational Science (CCTS) award number UL1RR029879 from the National Center for Research Resources. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Center for Research Resources or the National Institutes of Health.
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Patel, P., Sweiss, K., Nimmagadda, S. et al. Comorbidity index does not predict outcome in allogeneic myeloablative transplants conditioned with fludarabine/i.v. busulfan (FluBu4). Bone Marrow Transplant 46, 1326–1330 (2011). https://doi.org/10.1038/bmt.2010.293
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DOI: https://doi.org/10.1038/bmt.2010.293
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