Article (Scientific journals)
Kinetics of engraftment in patients with hematologic malignancies given allogeneic hematopoietic cell transplantation after nonmyeloablative conditioning.
Baron, Frédéric; Baker, Jennifer E.; Storb, Rainer et al.
2004In Blood, 104 (8), p. 2254-62
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Keywords :
Adolescent; Adult; Age Factors; Aged; Child; Chimera; Disease Progression; Female; Graft Rejection/immunology; Graft vs Host Disease/immunology; Hematologic Neoplasms/immunology/pathology/surgery; Hematopoietic Stem Cell Transplantation; Humans; Kinetics; Male; Middle Aged; Recurrence; Survival Rate; T-Lymphocytes/immunology/pathology; Tissue Donors; Transplantation Conditioning; Transplantation, Homologous/immunology; Treatment Outcome; Vidarabine/analogs & derivatives/therapeutic use
Abstract :
[en] We analyzed the kinetics of donor engraftment among various peripheral blood cell subpopulations and their relationship to outcomes among 120 patients with hematologic malignancies given hematopoietic cell transplantation (HCT) after nonmyeloablative conditioning consisting of 2 Gy total body irradiation (TBI) with or without added fludarabine. While patients rapidly developed high degrees of donor engraftment, most remained mixed donor/host chimeras for up to 180 days after HCT. Patients given preceding chemotherapies and those given granulocyte colony-stimulating factor-mobilized peripheral blood mononuclear cell (G-PBMC) grafts had the highest degrees of donor chimerism. Low donor T-cell (P = .003) and natural killer (NK) cell (P = .004) chimerism levels on day 14 were associated with increased probabilities of graft rejection. High T-cell chimerism on day 28 was associated with an increased probability of acute graft-versus-host disease (GVHD) (P = .02). Of 93 patients with measurable malignant disease at transplantation, 41 achieved complete remissions a median of 199 days after HCT; 19 of the 41 were mixed T-cell chimeras when complete remissions were achieved. Earlier establishment of donor NK-cell chimerism was associated with improved progression-free survival (P = .02). Measuring the levels of peripheral blood cell subset donor chimerisms provided useful information on HCT outcomes and might allow early therapeutic interventions to prevent graft rejection or disease progression.
Disciplines :
Hematology
Author, co-author :
Baron, Frédéric  ;  Université de Liège - ULiège > Département des sciences cliniques > GIGA-R : Hématologie - Département des sciences cliniques
Baker, Jennifer E.
Storb, Rainer
Gooley, Theodore A.
Sandmaier, Brenda M.
Maris, Michael B.
Maloney, David G.
Heimfeld, Shelly
Oparin, Dmitrij
Zellmer, Eustacia
Radich, Jerald P.
Grumet, F Carl
Blume, Karl G.
Chauncey, Thomas R.
Little, Marie-Terese
More authors (5 more) Less
Language :
English
Title :
Kinetics of engraftment in patients with hematologic malignancies given allogeneic hematopoietic cell transplantation after nonmyeloablative conditioning.
Publication date :
2004
Journal title :
Blood
ISSN :
0006-4971
eISSN :
1528-0020
Publisher :
American Society of Hematology, Washington, United States - District of Columbia
Volume :
104
Issue :
8
Pages :
2254-62
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 09 November 2011

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