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Mismatched bone marrow transplantation
1Division of Transplantation Medicine, University of South Carolina, Columbia 29203, USA.
Current Opinion in Oncology
|March 1, 1995
Summary
For patients needing bone marrow transplants without a sibling, alternative donors like haploidentical or unrelated donors offer options. While risks are higher, outcomes can be favorable, especially with advancing treatments.
Area of Science:
- Hematology
- Immunology
- Transplantation Medicine
Background:
- Many patients requiring allogeneic bone marrow transplantation lack a matched sibling donor.
- Alternative donor sources are crucial for these patients.
Purpose of the Study:
- To review alternative donor options for allogeneic bone marrow transplantation.
- To discuss the risks, benefits, and emerging improvements in alternative donor transplantation.
Main Methods:
- Review of current literature on alternative donor sources for bone marrow transplantation.
- Analysis of risks (graft failure, GVHD, infection) and benefits (GvL effect) associated with different donor types.
Main Results:
- Alternative donors include autologous, haploidentical, unrelated, and cord blood stem cells.
- While risks are higher than with matched siblings, disease-free survival can be comparable due to graft-versus-leukemia effects.
- Advancements in managing complications are improving outcomes.
Conclusions:
- No single alternative donor type is universally preferred; selection is individualized.
- Alternative donor transplantation is a viable, non-experimental option for select patients.
- Early transplantation and improved supportive care enhance survival in alternative donor settings.