Asymmetric dimethylarginine serum levels are associated with early mortality after allogeneic stem cell transplantation
Increasing evidence suggests that endothelial cell distress is associated with mortality after allogeneic stem cell transplantation and acute graft-versus-host disease. Asymmetric dimethylarginine is an endogenous nitric oxide synthase inhibitor that induces endothelial cell dysfunction. We analyzed...
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| Main Authors: | , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
[April 2019]
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| In: |
Haematologica
Year: 2019, Volume: 104, Issue: 4, Pages: 827-834 |
| ISSN: | 1592-8721 |
| DOI: | 10.3324/haematol.2018.202267 |
| Online Access: | Verlag, Volltext: https://doi.org/10.3324/haematol.2018.202267 Verlag, Volltext: http://www.haematologica.org/content/104/4/827 
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| Author Notes: | Aleksandar Radujkovic, Hao Dai, Lambros Kordelas, Dietrich Beelen, Sivaramakrishna P. Rachakonda, Carsten Müller-Tidow, Rajiv Kumar, Peter Dreger and Thomas Luft |
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| 245 | 1 | 0 | |a Asymmetric dimethylarginine serum levels are associated with early mortality after allogeneic stem cell transplantation |c Aleksandar Radujkovic, Hao Dai, Lambros Kordelas, Dietrich Beelen, Sivaramakrishna P. Rachakonda, Carsten Müller-Tidow, Rajiv Kumar, Peter Dreger and Thomas Luft |
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| 520 | |a Increasing evidence suggests that endothelial cell distress is associated with mortality after allogeneic stem cell transplantation and acute graft-versus-host disease. Asymmetric dimethylarginine is an endogenous nitric oxide synthase inhibitor that induces endothelial cell dysfunction. We analyzed the impact of pre-transplant serum levels of asymmetric dimethylarginine on outcome after allogeneic stem cell transplantation. Since acute graft-versus-host disease and its treatment are major contributors to post-transplant mortality, the effect of asymmetric dimethylarginine on outcome measures was also assessed after onset of acute graft-versus-host disease. A total of 938 patients allografted at two centers between 2002 and 2013 were included in the retrospective study. In multivariable models, higher pre-transplant asymmetric dimethylarginine levels were significantly associated with an increased risk of non-relapse mortality (hazard ratio 1.43 per 1-log2 increase, P=0.005) but not with relapse (hazard ratio 1.21, P=0.109) within the first year after transplantation. This translated into worse overall survival (hazard ratio 1.45, P<0.0001) and shorter progression-free survival (hazard ratio 1.30, P=0.002) in the first year after transplantation. Higher pre-transplant asymmetric dimethylarginine levels were also associated with shorter overall survival (hazard ratio 1.46, P=0.001) and progression-free survival (hazard ratio 1.32, P=0.010) and higher non-relapse mortality (hazard ratio 1.36, P=0.042) within 1 year after the onset of acute graft-versus-host disease. Taken together, our data indicate an association between pre-transplant asymmetric dimethylarginine status and early non-relapse mortality in allografted patients, both overall and after the onset of acute graft-versus-host disease. These findings underline the relevance of endothelial dysfunction for transplant complications. | ||
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