Recent data also show an immunomodulatory effect of cytokine treatment on donor circulating lymphoid subsets.
In our population, given the different techniques developed in Europe in the haploidentical transplantation setting, there was a higher proportion of MAC in the BM group, and there was no interaction between the source of stem cells and conditioning intensity for all endpoints evaluated. Leukemia 2002; 16: 1259–1266. Long-term outcome and late effects in patients transplanted with mobilised blood or bone marrow: a randomised trial. Better outcome of adult acute lymphoblastic leukemia after early genoidentical allogeneic bone marrow transplantation (BMT) than after late high-dose therapy and autologous BMT: a GOELAMS trial. However, the other trials, including the EBMT study,43 did not show a favorable outcome for PBSCT, possibly because of patient selection (ie, lack of patients with advanced-stage disease).

In addition, familiar donors are easily available and the procedure may be organized quickly, minimizing delay. In the future, assessment of the overall benefits of PBSC compared with BM will require continued long-term evaluation of quality of life and follow-up of morbidity and mortality associated with chronic GVHD in long-term survivors. Telomerase activity and telomere length in acute and chronic leukemia, pre- and post-ex vivo culture. Comparable long-term survival after bone marrow versus peripheral blood progenitor cell transplantation from matched unrelated donors in children with hematologic malignancies. The main end points of this study included relapse, non-relapse mortality (NRM), disease-free survival (DFS) and OS. Learn about our remote access options, E-mail address: annalisaruggeri80@hotmail.com, Service d'Hématologie et Thérapie Cellulaire, Hôpital Saint Antoine, AP‐HP, Paris, France, Ospedale San Martino, Department of Hematology II, Genova, Italy, Anadolu Medical Center Hospital, Bone Marrow Transplantation Department, Kocaeli, Turkey, Medical Park Hospitals, Stem Cell Transplant Unit, Antalya, Turkey, Programme de Transplantation & Therapie Cellulaire, Institut Paoli Calmettes, Marseille, France, A.O.U Citta della Salute e della Scienza di Torino, Presidio Molinette, Torino, Italy, Centro Unico Regionale Trapianti, Alberto Neri, Bianchi‐Melacrino‐Morelli, Reggio Calabria, Italy, LMU‐University Hospital of Munich‐Grosshadern, Medizinischen Klinik III, Munich, Germany, Instituto de Investigacion Sanitaria Gregorio Marañon, Division of Hematology, Hospital Gregorio Marañon, Universidad Complutense, Medicina, Madrid, Spain, Department of Hematology, Humanitas Cancer Center, Istituto Clinico Humanitas, Rozzano, Italy, Ospedale San Raffaele, Haematology and BMT, Milano, Italy, Université Pierre et Marie Curie, Paris, France, Division of Hematology and Bone Marrow Transplantation, The Chaim Sheba Medical Center, Tel‐Hashomer; Tel Aviv University, Tel Aviv, Israel. Impact of minimal residual disease kinetics during imatinib-based treatment on transplantation outcome in Philadelphia chromosome-positive acute lymphoblastic leukemia. PubMed  At 2 years, the cumulative incidence of relapse was 25% with no difference according to the stem cell source (BM 26% vs PBSC 22% [P = .38]) (Fig. As discussed by Bensinger et al10 in more detail, the discrepancy in these findings may be accounted for by various factors, such as limited statistical power (eg, small number of patients eligible for evaluation, relatively short follow-up beyond day 100), type of acute GVHD prophylaxis regimen used, and in vivo immunomodulatory aspects of rhG-CSF administered for stem cell mobilization (outlined below). Different cytokine and GVHD prophylaxis regimens may contribute to this discrepancy. Cho BS, Lee S, Kim YJ, Chung NG, Eom KS, Kim HJ et al. doi: https://doi.org/10.1182/blood.V98.10.2900. Peripheral blood stem cell transplantation from unrelated donors: a comparison with marrow transplantation. The main clinical and biological features for all patients are summarized in Table 1. These include nontraumatic splenic rupture, iritis, acute gouty arthritis, anaphylactoid reaction, and cardiac ischemia.22-27 The true incidence of these events is unclear, but they appear to be rare. Introduction: TH2-inducing DC2 for immunotherapy. Immunocompetent cells contained in PBSC allografts and BM allografts, CD34+ and CD3+ cell numbers contained in various stem cell allografts. Because the absolute T cell number is higher in unmanipulated PBSC allografts than in BM allografts by approximately 1 log, a higher incidence of acute GVHD might be expected in PBSC recipients. Search for other works by this author on: Successful engraftment of blood-derived normal hemopoietic stem cells in chronic myelogenous leukemia. Annalisa Ruggeri, Myriam Labopin: performed statistical analysis. Morton J, Hutchins C, Durrant S . Postgrafting administration of granulocyte colony-stimulating factor impairs functional immune recovery in recipients of human leukocyte antigen haplotype-mismatched hematopoietic transplants. A recent update from the IBMTR database revealed 2 fatalities among 7857 reported BM donations (0.02%) between 1994 and 1998.29, Data on long-term follow-up of donors who underwent BM harvest or PBSC mobilization and collection procedure are scarce or nonexistent. Evolution of the role of haploidentical stem cell transplantation: past, present, and future. Table 1 summarizes the main patient and transplantation characteristics. The main finding of this study was that PBSC transplants showed long-term outcomes comparable to those of BM transplants, except that PBSC transplants were associated with a higher incidence of chronic GVHD. Transplantation of mobilized peripheral blood cells to HLA-identical siblings with standard-risk leukemia. ISSN 1476-5365 (online), PBSC vs BM grafts with myeloablative conditioning for unrelated donor transplantation in adults with high-risk ALL, Peripheral Blood versus Bone Marrow from Unrelated Donors: Bone Marrow Allografts Have Improved Long-Term Overall and Graft-versus-Host Disease-Free, Relapse-Free Survival, POSTERIOR EYE SEGMENT COMPLICATIONS RELATED TO ALLOGENEIC HEMATOPOIETIC STEM CELL TRANSPLANTATION, Single-cell technologies are revolutionizing the approach to rare cells, Impact of IKZF1 deletions on long-term outcomes of allo-SCT following imatinib-based chemotherapy in adult Philadelphia chromosome-positive ALL, Outcomes of peripheral blood stem cell transplantation patients from HLA-mismatched unrelated donor with antithymocyte globulin (ATG)-Thymoglobulin versus ATG-Fresenius: a single-center study. Nevertheless, our current understanding of delivering an immune-mediated GVL effect requires the clinical or subclinical development of GVHD. In addition to the use of cytokines to efficiently mobilize CD34+ progenitor cells, other immunomodulatory aspects open up a new way to manipulate allogeneic PBSC grafts in vivo before transfusion into the patient. Relapse and leukemia-free survival rates after allogeneic PBSCT or BMT. In a survey performed by our group on 281 PBSC donors at a median follow-up time of more than 3 years after allogeneic PBSCT, 85% were willing to undergo another PBSC collection procedure for a family member, and 48% were willing to undergo it for a nonfamily member. Unmanipulated haploidentical transplantation for adult patients with hematological malignancies. Between March 2000 and December 2009, 140 consecutive patients with high-risk ALL underwent URD-SCT. J Clin Oncol 2004; 22: 4075–4086. Spontaneous splenic rupture following administration of granulocyte colony-stimulating factor (G-CSF): occurrence in an allogeneic donor of peripheral blood stem cells. Lee S, Kim DW, Cho BS, Yoon JH, Shin SH, Yahng SA et al. Stem Cell Trialists' Collaborative G. Allogeneic peripheral blood stem-cell compared with bone marrow transplantation in the management of hematologic malignancies: an individual patient data meta-analysis of nine randomized trials. Time to absolute neutrophil and platelet counts and treatment-related mortality after allogeneic PBSCT or BMT. Granulocyte colony-stimulating factor down-regulates allogeneic immune responses by posttranscriptional inhibition of tumor necrosis factor-α production. Median follow‐up was longer for patients receiving BM (22.8 vs 18.3 months) and those patients were more likely transplanted with MAC (61% vs 49% [P = .008]).

Mobilization kinetics of CD34+/Thy-1dim progenitor cells during recombinant human granulocyte–colony-stimulating factor administration in normal donors. No hematologic malignancy has been recorded in this donor cohort.35, Evaluation of long-term adverse effects of rhG-CSF exposure in healthy donors is particularly hampered by the fact that an underlying genetic predisposition for malignancy among siblings and blood-related family members cannot be ruled out. The question of which subgroups of ALL with specific chimeric proteins can benefit from URD-SCT using PBSC compared with BM remains to be answered. Indeed, in a sequential study by Serody et al,60 the number of CD3+ cells contained in rhG-CSF–primed BM allografts was found to be approximately 1 log less than the number in rhG-CSF–mobilized PBSC allografts, and the incidence of chronic GVHD was significantly less in the rhG-CSF–primed BMT cohort. Blood 2005; 105: 3449–3457. One could argue that the lymphocyte count infused with the unmanipulated PBSC graft in the setting of a full haplotype mismatch could be responsible for an increase of aGVHD; however, one of the limitations of our registry‐based study is the lack of CD3+ cell number infused with the graft.
Hematopoietic Cell Transplantation in the Treatment of Newly Diagnosed Adult Acute Myeloid Leukemia: An Evidence-Based Review from the American Society of Transplantation and Cellular Therapy. Experiences of the first 493 unrelated marrow donors in the National Marrow Donor Program. PBSC vs. Kinetics of engraftment of CD34(-) and CD34(+) cells from mobilized blood differs from that of CD34(-) and CD34(+) cells from bone marrow. Statistical analyses were performed using SPSS version 22 (IBM, Armonk, NY) and R version 3.2.3 (R Development Core Team, Vienna, Austria) software packages. Clinical endpoints of in vivo allograft immunomodulation include improving immune reconstitution and graft-versus-malignancy effect and decreasing the incidence of severe GVHD. Interestingly, in a multivariate analysis, the stem cell source for transplantation was found to be the only independent predictor of molecular relapse. 1b). J Clin Oncol 2005; 23: 5074–5087. In multivariate analysis (Table 3), factors independently associated with poorer DFS were transplantation in >CR1 (HR, 2.82; 95% CI, 1.43–5.57; P=0.003) and the absence of chronic GVHD (HR, 2.56; 95% CI, 1.30–5.03; P=0.006). Acute iritis induced by granulocyte colony-stimulating factor used for mobilization in a volunteer unrelated peripheral blood progenitor cell donor. DFS at 5 years was not significantly different between PBSC and BM (57.9% (95% CI, 40.8–71.7%) vs 46.9% (95% CI, 34.6–58.2%); P=0.293) (Table 2; Figure 2c). Consistent with the CIBMTR study, we observed significant differences in incidence of severe aGVHD comparing PBSC and BM grafts in a homogenous group of patients with leukemia. The cumulative incidence of relapse at 5 years was 23.7% (95% CI, 11.6–38.2%) for PBSC and 28.1% (95% CI, 17.9–39.2%) for BM (P=0.675) (Table 2; Figure 2a). Prophylaxis and management of graft versus host disease after stem-cell transplantation for haematological malignancies: updated consensus recommendations of the European Society for Blood and Marrow Transplantation. Therefore, and solely to indicate this fact, this article is hereby marked “advertisement” in accordance with 18 U.S.C. BM cells were collected from the donors via standard procedures. Linker C, Damon L, Ries C, Navarro W . Marrow versus blood-derived stem cell grafts for allogeneic transplantation from unrelated donors in patients with active myeloid leukemia or myelodysplasia. This is a retrospective registry‐based analysis on behalf of the Acute Leukaemia Working Party (ALWP) of the EBMT. We are aware that there may be unmeasured factors that have not been considered in our study, which is a limitation when conducting any retrospective study.


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