Topping it up: methods to improve cord blood transplantation outcomes by increasing the number of CD34+ cells

Cytotherapy
Caroline A Lindemans, Koen van Besien

Abstract

Cord blood is increasingly recognized for its excellent stem cell potential, lenient matching criteria, instant availability and clinical behavior in transplants when cell dose criteria can be met. However with 1-2 log fewer total (stem cell) numbers in the graft compared with other cell sources, the infused cell dose per kilogram is critical for engraftment and outcome, creating the need for development of stem cell support platforms. The co-transplant platforms of haplo cord and double unit cord blood (DUCB) transplantation are aimed toward increasing stem cell dose. Together with the optimization of reduced-intensity protocols, long-term sustained engraftment using cord blood has become available to most patients, including elderly patients. Haplo cord has a low incidence of both acute and chronic graft-versus-host disease but may require anti-thymocyte globulin ATG for effective neutrophil recovery. DUCB can be performed without anti-thymocyte globulin with excellent immune reconstitution and disease-free survival, but engraftment is considerably slower, and graft-versus-host disease incidence significant. Both haplo-cord and DUCB transplantation appear to both be valid alternatives to matched unrelated donors in adults.

References

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Citations

Jun 24, 2016·Leukemia & Lymphoma·Koen van BesienTsiporah Shore
Oct 30, 2016·Seminars in Hematology·Koen van Besien, Richard Childs
Oct 28, 2016·Leukemia & Lymphoma·Koen van BesienTsiporah Shore

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