Increased acute GvHD and higher transplant-related mortality in non-Caucasians undergoing standard sibling allogeneic stem cell transplantation
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Colleges, School and Institutes
We conducted a retrospective study to compare outcome in Caucasians and non-Caucasians undergoing standard sibling allogeneic SCT. End points of the study were to compare graft-versus-host disease (GvHD) occurrence and transplant-related mortality (TRM). There were 251 patients, 43 non-Caucasian and 208 Caucasian. A higher proportion of non-Caucasian patients developed acute GvHD (aGvHD) grade 2 or greater as compared to the Caucasian group (48 vs 26%, respectively) P = 0.02. With a median follow-up of 27 months, 26% (11/43) of non-Caucasians and 14% (29/208) of Caucasian patients had died from TRM, which accounted for 55% of all deaths in the non-Caucasian group compared to 33% in Caucasians, P = 0.02. Overall survival 12 months post transplant was 64 vs 69% in the non-Caucasian and Caucasian groups, respectively (P = 0.43). Although there were higher numbers of CMV-positive patients in the non-Caucasian group, there were no deaths from CMV reactivation in this subgroup. We conclude that there is increased TRM and aGvHD following standard sibling allograft in the non-Caucasian population and this could be due to either differences in tumour biology or extrinsic factors such as socio-economic factors, nutritional status, post transplant care or presenting with late stage disease.
|Number of pages||5|
|Journal||Bone Marrow Transplantation|
|Publication status||Published - 16 Jan 2006|
- aGvHD, non-Caucasians, TRM, allogeneic SCT, ethnicity