The safety and efficacy of a preparation with treosulfan/thiotepa/ fludarabine were explored in 20 thalassaemia patients given allogeneic marrow transplantation. Seventeen patients were transplanted from unrelated donors after receiving anti-thymocyte globulin. The regimen was well tolerated. Two patients experienced secondary graft failure; one died of acute graft-versus-host disease. Cumulative incidence (95% confidence interval, CI) of transplantation-related mortality and graft failure was 5% (95% CI, 0-34%) and 11% (95% CI, 3-43%), respectively. Two-year probability of survival and thalassaemia-free survival was 95% (95% CI, 85-100%) and 85% (95% CI, 66-100%), respectively. This regimen might find elective application in patients at high risk of developing life-threatening complications.
- Conditioning regimen
- Haematopoietic stem cell transplantation
- Thalassaemia major
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