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Item does not contain fulltext This study shows the long-term updated outcomes of a multicenter retrospective study which analyzed 843 patients with myelodysplastic syndrome (MDS) who underwent transplantation with an HLA-identical sibling donor with either reduced-intensity conditioning (RIC) in 213 patients, or standard myeloablative conditioning (MAC) in 630 patients. In multivariate analysis, the 13-year relapse rate was significantly increased after RIC (31% after MAC vs 48% in RIC; HR, 1.5; 95% CI, 1.1-1.9; P=0.04), but with no differences in overall survival (OS) (30% after MAC vs 27% in RIC; P=0.4) and PFS (29 vs 21%, respectively, P=0.3). Non-relapse mortality was higher in MAC (40 vs 31%; P=0.1), especially in patients older than 50 years (50 vs 33%, P

The impact of the intensity of graft-versus-host-disease immunoprophylaxis on transplantation outcomes in patients undergoing transplantation following reduced-intensity conditioning is unclear. This study addresses this issue in 228 adult patients above 50 years of age with acute myeloid leukemia in first complete remission given peripheral blood stem cells from HLA-identical siblings after fludarabine and 2 days of intravenous busulfan reduced-intensity conditioning. A total of 152 patients received anti-thymocyte globulin, either in combination with cyclosporine A in 86 patients (group 1), or with cyclosporine A and mycophenolate mofetil or short course methotrexate in 66 patients (group 2). The remaining 76 patients did not receive anti-thymocyte globulin but were given cyclosporine A and methotrexate or mycophenolate mofetil (group 3). Incidences of grade II-IV acute graft-versus-host-disease were comparable in the three groups (16.5%, 29.5% and 19.5% in groups 1, 2 and 3, respectively, P= 0.15). In multivariate analysis, the absence of anti-thymocyte globulin was the only factor associated with a higher risk of chronic graft-versus-host-disease (P= 0.005), while the use of triple immunosuppression (group 3) was associated with an increased risk of relapse (P= 0.003). In comparison to anti-thymocyte globulin and cyclosporine A alone, the other two strategies of graft-versus-host-disease prophylaxis were associated with reduced leukemia-free survival and overall survival (P= 0.001 for each parameter), independently of the dose of anti-thymocyte globulin. These data suggest that fine tuning of the intensity of this prophylaxis can affect the out-come of transplantation and that anti-thymocyte globulin and cyclosporine A alone should be the preferred combination with the fludarabine-busulfan reduced-intensity conditioning regimen and sibling donors.

The article exposes the phenomenon of parental burnout, which is insufficiently studied in national science. The phenomenon of emotional burnout is usually studied in regards to work, especially in service occupations (“helping professions”). Nonetheless, it is found that burnout can develop in other domains, including parenting. Even though parenting is not considered a professional occupation, society’s demands towards parents and their responsibilities are incredibly high and are growing every day. Parents are not prepared for many of them. People’s deteriorating living standards, lack of political and economic stability, and the newly a newly emerged challenge of a global pandemic all cause excessive and prolonged stress in parents that may lead to parental burnout. The aim of the study is to present a theoretical analysis on parental burnout phenomenon and also substantiate importance of an exploration of the parental burnout in Ukraine.To achieve the aim of the study, the article presents a review of foreign studies on parental burnout, its particularities, antecedents, and its effect on the family’s personal and interpersonal relationships. According to the foreign studies, parental burnout is a unique and context-specific syndrome in mothers and fathers that occurs under the influence of prolonged stress caused by parenting. The phenomenon of parental burnout encompasses three dimensions: excessive exhaustion from the parental role, emotional distancing from the child and a sense of inefficiency in performing their parental role. The material presented below describes the specifics and differences of this phenomenon and professional and family burnout. The article covers and analyzes foreign research on the history of the phenomenon of parental burnout, the antecedents that have a greater and lesser impact on its development (internal and external) and the consequences of parental burnout on a personal and interpersonal levels (especially the impact on the relationship with a child, which may manifest through violence, indifference or neglect). Also, there is an overview of the pilot study results of possible antecedents of parental burnout in Ukrainian parents at the macro-, meso- and micro- levels, emphasized the need and worthwhileness of studying the phenomenon of parental burnout in Ukrainian society. References Bazaleva, L.A. (2010). Lychnostnie faktory emotsyonalnoho «vyhoranyia» materei v otnoshenyiakh s detmy [Personal factors of emotional “burnout” of mothers in relations with children]. Extendet abstract of Candidate's thesis. Krasnodar [in Russian]. Hrubi, T.V. (2012). 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Allogeneic hematopoietic transplantation is increasingly used in patients aged 55 years or more with AML. The question of whether outcomes can be improved with an allele-level 8/8 HLA-matched unrelated donor (MUD) rather than an older HLA-matched sibling (MSD, more than 55 years) is still unanswered. We thus analyzed outcomes in 714 patients aged 55 years and older with AML in first CR (CR1) who received PBSCs after a reduced-intensity conditioning hematopoietic cell transplant from a MUD (n=310) or a MSD (n=404) in a recent period (2005-2010). The 3-year cumulative incidences (CIs) of non-relapse mortality were 17% and 23% with MSD and MUD, respectively (P=0.17). The 3-year CIs of relapse were 37% and 30%, respectively (P=0.12), resulting in a 3-year CI of leukemia-free survival of 46% and 47%, respectively (P=0.51). The 3-year overall survival was 49% with both MSD and MUD. In conclusion, HLA-identical sibling donors aged 55 years or more should not be excluded because of age for patients aged 55 years and older with AML in CR1.

This report investigated the impact of graft-versus-host disease (GVHD) on transplantation outcomes in 1859 acute myeloid leukemia patients given allogeneic peripheral blood stem cells after reduced-intensity conditioning (RIC allo-SCT). Grade I acute GVHD was associated with a lower risk of relapse (hazards ratio (HR) 0.7, P = 0.02) translating into a trend for better overall survival (OS; HR 1.3; P = 0.07). Grade II acute GVHD had no net impact on OS, while grade III-IV acute GVHD was associated with a worse OS (HR 0.4, P < 0.0.001) owing to high risk of nonrelapse mortality (NRM; HR 5.2, P < 0.0001). In time-dependent multivariate Cox analyses, limited chronic GVHD tended to be associated with a lower risk of relapse (HR 0.72; P = 0.07) translating into a better OS (HR 1.8; P < 0.001), while extensive chronic GVHD was associated with a lower risk of relapse (HR 0.65; P = 0.02) but also with higher NRM (HR 3.5; P < 0.001) and thus had no net impact on OS. In-vivo T-cell depletion with antithymocyte globulin (ATG) or alemtuzumab was successful at preventing extensive chronic GVHD (P < 0.001), but without improving OS for ATG and even with worsening OS for alemtuzumab (HR 0.65; P = 0.001). These results highlight the role of the immune-mediated graft-versus-leukemia effect in the RIC allo-SCT setting, but also the need for improving the prevention and treatment of severe GVHD. Leukemia (2012) 26, 2462-2468; doi: 10.1038/leu.2012.135

Clinical benefits from monoclonal antibody therapy for B-chronic lymphocytic leukemia (B-CLL) have increased interest in developing additional immunotherapies for the disease. CD40 ligand is an accessory signal for T-cell activation and can overcome T-cell anergy. The OX40-OX40 ligand pathway is involved in the subsequent expansion of memory antigen-specific T cells. We expressed both CD40L and OX40L on B-CLL cells by exploiting the phenomenon of molecular transfer from fibroblasts overexpressing these ligands. We analyzed the effects of the modified B-CLL cells on the number, phenotype, and cytotoxic function of autologous T cells in 7 B-CLL patients. Transfer of CD40L and OX40L was observed in all and was followed by the up-regulation of B7-1 and B7-2. The culture of CD40L/OX40L-expressing B-CLL cells with autologous T cells generated CD4+/CD8+ cytotoxic T-cell lines, which secreted interferon-γ (IFN-γ) and granzyme-B/perforin in response to autologous, but not to allogeneic, B-CLL cells or to autologous T-cell blasts. CD40L or OX40L alone was insufficient to expand tumor-reactive T cells. The combination of CD40L and OX40L on B-CLL cells may allow the generation of therapeutic immune responses to B-CLL, either by active immunization with modified tumor cells or by adoptive immunotherapy with tumor-reactive autologous T cells.

Graft-versus-host disease (GVHD) represents one of the major complications of allogeneic hematopoietic stem cell transplantation. Techniques to prevent GVHD have included ex vivo T-cell depletion of the graft or prolonged in vivo immunosuppression. Both reduce the frequency and severity of GVHD but also reduce T-cell-mediated graft-versus-malignancy effect, and increase the risk of infection. A major goal in transplantation is to prevent alloreactivity while preserving activity against tumors and infectious agents. We have used activation of the Notch pathway to try to generate T cells able to specifically regulate alloantigen responses. We used allogeneic Epstein-Barr virus lymphoblastoid B cells (EBV-LCLs) as stimulator cells. Such LCLs are excellent (allo) antigen-presenting cells and can be obtained in large numbers even from donors who have received extensive chemo/radiotherapy. We overexpressed a Notch ligand, Jagged-1, in these cells by adenoviral vector transduction. Stimulation of CD45RA+ naive T cells by Jagged-1 EBV-LCL reduces production of interferon-γ, interleukin-2, and interleukin-5, but up-regulates transforming growth factor-β1 synthesis, consistent with induction of a regulatory T-cell phenotype. Transfer of these T cells to fresh lymphocyte cultures inhibits proliferative and cytotoxic immune responses to the priming alloantigens while sparing responses to third-party stimulator cells. Notch activation in the presence of alloantigen-presenting cells may therefore be a means of inducing specific regulatory T cells while preserving other T-cell functionality. (Blood. 2003;102:3815-3821)

Financial disclosure: The authors have nothing to disclose. Conflict of interest statement: There are no conflicts of interest to report. REFERENCE 1. Mediaville C, Vigouroux S, Tabrizi R, et al. Transient grades 3 to 4 acute hepatitis is a common complication of rabbit antithymocyte globulin (Thymoglobulin) administered before allogeneic stem cell transplantation. Biol Blood Marrow Transplant. 2015;21:661-665.