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Malignant Lymphomas |
From the Department of Hematology and Stem Cell Transplantation, ASKLEPIOS Klinik St. Georg, Hamburg, Germany (NS); Department of Medicine V, University of Heidelberg, Germany (PD); Department of Hematology and Oncology, University Hospital Goettingen, Germany (BG); Division of Clinical Hematology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain (AS)
Correspondence: Norbert Schmitz, Dept. Hematology and Stem Cell Transplantation, Asklepios Klinik St. Georg, Lohmühlenstr. 5, D-20099 Hamburg, Germany. E-mail: n.schmitz{at}asklepios.com
Allogeneic transplantation of hematopoietic stem cells (allo-SCT) is being increasingly used to treat patients with lymphoma. We describe current results of allo-SCT in patients with Hodgkins disease, indolent lymphoma including Waldenströms disease, and aggressive lymphoma including mantle cell lymphoma and mature T-cell lymphomas. A Graft-vs.-Lymphoma (GvL) effect is present in most entities as evidenced by the generally lower relapse rates after allo-SCT and the results of donor lymphocyte infusions. Slowly proliferating diseases like chronic lymphocytic leukemia, indolent lymphomas, and some T-cell lymphomas are particularly sensitive to the effects of allogeneic T-cells while patients with Hodgkins disease and aggressive lymphoma may need vigorous debulking before allo-SCT to achieve optimal results. Although reduced-intensity conditioning has lowered transplant-related mortality in most and improved survival in some sub-entities, relapse rates in patients with Hodgkins disease and aggressive B-cell lymphomas, as well as in patients with heavily pre-treated and refractory lymphoma, remain high and further improvement is undoubtedly needed. Large prospective studies in well-defined entities are necessary to further clarify the role of allo-SCT in lymphoma.
Key words: allogeneic stem cell transplantation, Hodgkins lymphoma, follicular lymphoma, aggressive lymphoma.
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