Multipotent mesenchymal stromal cells (MSC) have immunomodulatory effects. The aim of this study was to demonstrate safety and feasibility of MSC transfusion in pediatric patients who had undergone allogeneic stem cell transplantation from MMFD, MUD, MMUD and MSD. Patients with posttransplant complications based on deregulated immune effector cells who may benefit from an immunomodulatory effect of MSC had been selected. MSC were isolated from the hematopoietic stem cell donors in five cases and from a third party parental donor in two cases. We transfused ex vivo-expanded MSC in 11 doses into seven pediatric patients. Cell doses were escalated based on availability from 0.4x10(6) to 3.0x10(6) per kg bodyweight No adverse effects were detected with a maximum follow-up of 29 months. One out of three patients showed slight improvement of chronic GVHD. Two patients with severe acute GvHD did not progress to cGvHD. One patient received MSC to stabilize graft function after secondary haploidentical transplantation. One patient recovered from trilineage failure due to severe hemophagocytosis. This is the first case of a pediatric patient treated with MSC for trilineage failure after haploidentical stem cell transplantation from her father. We report the first series of 11 transfusions of expanded MSC in pediatric patients with immunological complications after allogeneic transplantation. Transfusion of MSC was safe and encouraging improvements in some patients were observed
Multipotent mesenchymal stromal cells (MSC) have immunomodulatory effects. The aim of this study was to demonstrate safety and feasibility of MSC transfusion in pediatric patients who had undergone allogeneic stem cell transplantation from MMFD, MUD, MMUD and MSD. Patients with posttransplant complications based on deregulated immune effector cells who may benefit from an immunomodulatory effect of MSC had been selected. MSC were isolated from the hematopoietic stem cell donors in five cases and from a third party parental donor in two cases. We transfused ex vivo-expanded MSC in 11 doses into seven pediatric patients. Cell doses were escalated based on availability from 0.4 × 106 to 3.0 × 106 per kg bodyweight No adverse effects were detected with a maximum follow-up of 29 months. One out of three patients showed slight improvement of chronic GVHD. Two patients with severe acute GvHD did not progress to cGvHD. One patient received MSC to stabilize graft function after secondary haploidentical transplantation. One patient recovered from trilineage failure due to severe hemophagocytosis. This is the first case of a pediatric patient treated with MSC for trilineage failure after haploidentical stem cell transplantation from her father. We report the first series of 11 transfusions of expanded MSC in pediatric patients with immunological complications after allogeneic transplantation. Transfusion of MSC was safe and encouraging improvements in some patients were observed. © 2007 Elsevier Inc. All rights reserved.
Application of multipotent mesenchymal stromal cells in pediatric patients following allogeneic stem cell transplantation / Müller, Ingo; Kordowich, Sandra; Holzwarth, Christina; Isensee, Gesa; Lang, Peter; Neunhoeffer, Felix; Dominici, Massimo; Greil, Johann; Handgretinger, Rupert. - In: BLOOD CELLS, MOLECULES, & DISEASES. - ISSN 1079-9796. - STAMPA. - 40:1(2008), pp. 25-32. [10.1016/j.bcmd.2007.06.021]
Application of multipotent mesenchymal stromal cells in pediatric patients following allogeneic stem cell transplantation
DOMINICI, Massimo;
2008
Abstract
Multipotent mesenchymal stromal cells (MSC) have immunomodulatory effects. The aim of this study was to demonstrate safety and feasibility of MSC transfusion in pediatric patients who had undergone allogeneic stem cell transplantation from MMFD, MUD, MMUD and MSD. Patients with posttransplant complications based on deregulated immune effector cells who may benefit from an immunomodulatory effect of MSC had been selected. MSC were isolated from the hematopoietic stem cell donors in five cases and from a third party parental donor in two cases. We transfused ex vivo-expanded MSC in 11 doses into seven pediatric patients. Cell doses were escalated based on availability from 0.4 × 106 to 3.0 × 106 per kg bodyweight No adverse effects were detected with a maximum follow-up of 29 months. One out of three patients showed slight improvement of chronic GVHD. Two patients with severe acute GvHD did not progress to cGvHD. One patient received MSC to stabilize graft function after secondary haploidentical transplantation. One patient recovered from trilineage failure due to severe hemophagocytosis. This is the first case of a pediatric patient treated with MSC for trilineage failure after haploidentical stem cell transplantation from her father. We report the first series of 11 transfusions of expanded MSC in pediatric patients with immunological complications after allogeneic transplantation. Transfusion of MSC was safe and encouraging improvements in some patients were observed. © 2007 Elsevier Inc. All rights reserved.File | Dimensione | Formato | |
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