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Allogeneic peripheral blood stem cell transplantation for active hemophagocytic lymphohistiocytosis
K W Chan1, C A Mullen, M Korbling
1Department of Pediatrics, Anderson Cancer Center, Houston, TX 77030, USA.
Hemophagocytic lymphohistiocytosis (HLH) is a lethal disorder of immune dysregulation. Successful allogeneic BMT is the only therapy that has produced long-term disease-free survival. However, for patients with active HLH the outcome of BMT remains poor when compared with those transplanted in remission. We describe a patient with active, recurrent HLH treated with high-dose chemotherapy and related allogeneic peripheral blood stem cell (PBSC) transplantation. Hematologic recovery was rapid and the post-transplant course was uncomplicated. The patient is alive and well 2 1/2 years after transplant. Allogeneic PBSC transplantation may deserve further evaluation as an alternative source of stem cells for transplantation in patients with active HLH.
Hemophagocytic lymphohistiocytosis (HLH) is a lethal disorder of immune dysregulation. Successful allogeneic BMT is the only therapy that has produced long-term disease-free survival. However, for patients with active HLH the outcome of BMT remains poor when compared with those transplanted in remission. We describe a patient with active, recurrent HLH treated with high-dose chemotherapy and related allogeneic peripheral blood stem cell (PBSC) transplantation. Hematologic recovery was rapid and the post-transplant course was uncomplicated. The patient is alive and well 2 1/2 years after transplant. Allogeneic PBSC transplantation may deserve further evaluation as an alternative source of stem cells for transplantation in patients with active HLH.