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. 2007 Jan;2(1):105-12.
doi: 10.2174/157488807779316973.

Hematopoietic stem cell transplantation from alternative donors for high-risk acute leukemia: the haploidentical option

Affiliations

Hematopoietic stem cell transplantation from alternative donors for high-risk acute leukemia: the haploidentical option

Franco Aversa et al. Curr Stem Cell Res Ther. 2007 Jan.

Abstract

Much progress has been made in the clinical, biological and technical aspects of the T-cell-depleted full-haplotype mismatched transplants for acute leukemia. Our experience demonstrates that infusing a megadose of extensively T-cell-depleted hematopoietic peripheral blood stem cells after an immuno-myeloablative conditioning regimen in acute leukemia patients ensures sustained engraftment with minimal graft-vs-host disease (GvHD) without the need of any post-transplant immunosuppressive treatment. Since our first successful pilot study, our efforts have concentrated on developing new conditioning regimens, optimizing the graft processing and improving the post-transplant immunological recovery. The results we have so far achieved in more than 200 high-risk acute leukemia patients show that haploidentical transplantation is now a clinical reality. Because virtually all patients in need of a hematopoietic stem cell transplant have a full-haplotype mismatched donor, who is immediately available, a T-cell depleted mismatched transplant should be offered, not as a last resort, but as a viable option to high risk acute leukemia patients who do not have, or cannot find, a matched donor.

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