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CD19-directed chimeric antigen receptor (CAR) T cells have evolved as a new standard-of-care (SOC) treatment in patients with relapsed/refractory (r/r) large B-cell lymphoma (LBCL). Here, we report the first German real-world data on SOC CAR T-cell therapies with the aim to explore risk factors associated with outcomes. Patients who received SOC axicabtagene ciloleucel (axi-cel) or tisagenlecleucel (tisa-cel) for LBCL and were registered with the German Registry for Stem Cell Transplantation (DRST) were eligible. The main outcomes analyzed were toxicities, response, overall survival (OS), and progression-free survival (PFS). We report 356 patients who received axi-cel (n = 173) or tisa-cel (n = 183) between November 2018 and April 2021 at 21 German centers. Whereas the axi-cel and tisa-cel cohorts were comparable for age, sex, lactate dehydrogenase (LDH), international prognostic index (IPI), and pretreatment, the tisa-cel group comprised significantly more patients with poor performance status, ineligibility for ZUMA-1, and the need for bridging, respectively. With a median follow-up of 11 months, Kaplan-Meier estimates of OS, PFS, and nonrelapse mortality (NRM) 12 months after dosing were 52%, 30%, and 6%, respectively. While NRM was largely driven by infections subsequent to prolonged neutropenia and/or severe neurotoxicity and significantly higher with axi-cel, significant risk factors for PFS on the multivariate analysis included bridging failure, elevated LDH, age, and tisa-cel use. In conclusion, this study suggests that important outcome determinants of CD19-directed CAR T-cell treatment of LBCL in the real-world setting are bridging success, CAR-T product selection, LDH, and the absence of prolonged neutropenia and/or severe neurotoxicity. These findings may have implications for designing risk-adapted CAR T-cell therapy strategies.

Acute graft-versus-host disease (GVHD) is a life-threatening complication after allogeneic hematopoietic cell transplantation (allo-HCT). Although currently used GVHD treatment regimens target the donor immune system, we explored here an approach that aims at protecting and regenerating Paneth cells (PCs) and intestinal stem cells (ISCs). Glucagon-like-peptide-2 (GLP-2) is an enteroendocrine tissue hormone produced by intestinal L cells. We observed that acute GVHD reduced intestinal GLP-2 levels in mice and patients developing GVHD. Treatment with the GLP-2 agonist, teduglutide, reduced de novo acute GVHD and steroid-refractory GVHD, without compromising graft-versus-leukemia (GVL) effects in multiple mouse models. Mechanistically GLP-2 substitution promoted regeneration of PCs and ISCs, which enhanced production of antimicrobial peptides and caused microbiome changes. GLP-2 expanded intestinal organoids and reduced expression of apoptosis-related genes. Low numbers of L cells in intestinal biopsies and high serum levels of GLP-2 were associated with a higher incidence of nonrelapse mortality in patients undergoing allo-HCT. Our findings indicate that L cells are a target of GVHD and that GLP-2–based treatment of acute GVHD restores intestinal homeostasis via an increase of ISCs and PCs without impairing GVL effects. Teduglutide could become a novel combination partner for immunosuppressive GVHD therapy to be tested in clinical trials.

Acute graft-versus-host disease (GVHD) is a life-threatening complication after allogeneic hematopoietic cell transplantation (allo-HCT). Although currently used GVHD treatment regimens target the donor immune system, we explored here an approach that aims at protecting and regenerating Paneth cells (PCs) and intestinal stem cells (ISCs). Glucagon-like-peptide-2 (GLP-2) is an enteroendocrine tissue hormone produced by intestinal L cells. We observed that acute GVHD reduced intestinal GLP-2 levels in mice and patients developing GVHD. Treatment with the GLP-2 agonist, teduglutide, reduced de novo acute GVHD and steroid-refractory GVHD, without compromising graft-versus-leukemia (GVL) effects in multiple mouse models. Mechanistically GLP-2 substitution promoted regeneration of PCs and ISCs, which enhanced production of antimicrobial peptides and caused microbiome changes. GLP-2 expanded intestinal organoids and reduced expression of apoptosis-related genes. Low numbers of L cells in intestinal biopsies and high serum levels of GLP-2 were associated with a higher incidence of nonrelapse mortality in patients undergoing allo-HCT. Our findings indicate that L cells are a target of GVHD and that GLP-2–based treatment of acute GVHD restores intestinal homeostasis via an increase of ISCs and PCs without impairing GVL effects. Teduglutide could become a novel combination partner for immunosuppressive GVHD therapy to be tested in clinical trials.

CD19-directed chimeric antigen receptor (CAR) T cells have evolved as new standard-of-care (SOC) treatment in patients with relapsed/refractory large B-cell lymphoma (LBCL). Here, we report the first German real-world data on SOC CAR-T cell therapies with the aim to explore risk factors associated with outcome.

Myelofibrosis is one of the Philadelphia chromosome-negative myeloproliferative neoplasms (MPN) characterized by clonal myeloproliferation. Allogeneic hematopoietic stem-cell transplantation is the only potentially curative treatment for patients with myelofibrosis. With that, it can resolve fibrosis and lead to complete loss of the clonal burden. More than 90% of myelofibrosis patients harbor driver mutations in one of the 3 genes JAK2, CALR, and MPL, with JAK2mutations being associated with worse outcomes.

Introduction

JAK inhibitors and novel agents have shown promising reduction of spleen size in newly diagnosed myelofibrosis. However, not all patients will respond or they eventually progress at some point. Despite hematopoietic cell transplantation (HCT) being the only curative treatment option to date, splenomegaly prior to HCT remains a particular challenge. On the other hand, numbers of patients eligible for HCT continue to increase worldwide, and thus management of splenomegaly becomes more and more relevant. One approach to reduce spleen size prior to HCT could be splenic irradiation. However, evidence on its role remains scarce.

Background

Background:Several studies have shown that the leukemic stem cells (LSCs: CD34 +CD38 -CD45RA +/Combi-6 +) play a crucial role in the development of relapses in AML patients (pts). LSCs are less sensitive to conventional therapy; moreover, their phenotypical characteristics may allow immune evasion promoting relapses after allo-SCT. Although ELN guidelines recommend including LSCs into MRD assessment, this approach has not yet been studied extensively in the allogeneic setting. Here we suggested that peri-transplant LSCs detection may provide additional prognostic information to conventional (c)MRD in AML pts allografted in CR.

BackgroundDespite recent improvements in the field of JAK inhibitors, allogeneic hematopoietic stem cell transplantation (HSCT) remains the only potentially curative treatment for patients with myelofibrosis. However, HSCT is associated with a non-negligible treatment-related morbidity and mortality, with graft-versus-host disease (GvHD) being one of the major complications for these patients. In vivo T-cell depletion with antithymocyte/antilymphocyte globulin (ATG/ATLG, short ATG) as part of the conditioning regimen prior to HSCT is widely used as a GvHD prophylaxis, but data on its role in the setting of myelofibrosis is scarce. The aim of this study was to evaluate the impact of ATG on clinical outcomes of patients with myelofibrosis undergoing HSCT in a large international retrospective study.

The role of high-dose therapy followed by autologous stem cell transplantation (ASCT) in the treatment of multiple myeloma (MM) continues to evolve in the novel agent era. The choice of induction therapy has moved from conventional chemotherapy to newer regimens incorporating the immunomodulatory derivatives thalidomide or lenalidomide and the proteasome inhibitor bortezomib. These drugs combine well with traditional therapies and with one another to form various doublet, triplet, and quadruplet regimens. Up-front use of these induction treatments, in particular 3-drug combinations, has affected unprecedented rates of complete response that rival those previously seen with conventional chemotherapy and subsequent ASCT. Autotransplantation applied after novel-agent-based induction regimens provides further improvement in the depth of response, a gain that translates into extended progression-free survival and, potentially, overall survival. High activity shown by immunomodulatory derivatives and bortezomib before ASCT has recently led to their use as consolidation and maintenance therapies after autotransplantation. Novel agents and ASCT are complementary treatment strategies for MM. This article reviews the current literature and provides important perspectives and guidance on the major issues surrounding the optimal current management of younger, transplantation-eligible MM patients.

The role of high-dose therapy followed by autologous stem cell transplantation (ASCT) in the treatment of multiple myeloma (MM) continues to evolve in the novel agent era. The choice of induction therapy has moved from conventional chemotherapy to newer regimens incorporating the immunomodulatory derivatives thalidomide or lenalidomide and the proteasome inhibitor bortezomib. These drugs combine well with traditional therapies and with one another to form various doublet, triplet, and quadruplet regimens. Up-front use of these induction treatments, in particular 3-drug combinations, has affected unprecedented rates of complete response that rival those previously seen with conventional chemotherapy and subsequent ASCT. Autotransplantation applied after novel-agent-based induction regimens provides further improvement in the depth of response, a gain that translates into extended progression-free survival and, potentially, overall survival. High activity shown by immunomodulatory derivatives and bortezomib before ASCT has recently led to their use as consolidation and maintenance therapies after autotransplantation. Novel agents and ASCT are complementary treatment strategies for MM. This article reviews the current literature and provides important perspectives and guidance on the major issues surrounding the optimal current management of younger, transplantation-eligible MM patients.

DNA methylation of CpG islands around gene transcription start sites results in gene silencing and plays a role in leukemia pathophysiology. Its impact in leukemia progression is not fully understood. We performed genomewide screening for methylated CpG islands and identified 8 genes frequently methylated in leukemia cell lines and in patients with acute myeloid leukemia (AML): NOR1, CDH13, p15, NPM2, OLIG2, PGR, HIN1, and SLC26A4. We assessed the methylation status of these genes and of the repetitive element LINE-1 in 30 patients with AML, both at diagnosis and relapse. Abnormal methylation was found in 23% to 83% of patients at diagnosis and in 47% to 93% at relapse, with CDH13 being the most frequently methylated. We observed concordance in methylation of several genes, confirming the presence of a hypermethylator pathway in AML. DNA methylation levels increased at relapse in 25 of 30 (83%) patients with AML. These changes represent much larger epigenetic dysregulation, since methylation microarray analysis of 9008 autosomal genes in 4 patients showed hypermethylation ranging from 5.9% to 13.6% (median 8.3%) genes at diagnosis and 8.0% to 15.2% (median 10.6%) genes in relapse (P < .001). Our data suggest that DNA methylation is involved in AML progression and provide a rationale for the use of epigenetic agents in remission maintenance.

DNA methylation of CpG islands around gene transcription start sites results in gene silencing and plays a role in leukemia pathophysiology. Its impact in leukemia progression is not fully understood. We performed genomewide screening for methylated CpG islands and identified 8 genes frequently methylated in leukemia cell lines and in patients with acute myeloid leukemia (AML): NOR1, CDH13, p15, NPM2, OLIG2, PGR, HIN1, and SLC26A4. We assessed the methylation status of these genes and of the repetitive element LINE-1 in 30 patients with AML, both at diagnosis and relapse. Abnormal methylation was found in 23% to 83% of patients at diagnosis and in 47% to 93% at relapse, with CDH13being the most frequently methylated. We observed concordance in methylation of several genes, confirming the presence of a hypermethylator pathway in AML. DNA methylation levels increased at relapse in 25 of 30 (83%) patients with AML. These changes represent much larger epigenetic dysregulation, since methylation microarray analysis of 9008 autosomal genes in 4 patients showed hypermethylation ranging from 5.9% to 13.6% (median 8.3%) genes at diagnosis and 8.0% to 15.2% (median 10.6%) genes in relapse (P< .001). Our data suggest that DNA methylation is involved in AML progression and provide a rationale for the use of epigenetic agents in remission maintenance.

Introduction:A common genetic variant within the TCRA-TCRD locus has been recently identified as a predictive factor of thymic function and T cell repertoire diversity (Clave et al., 2018). Specifically it was shown in a mouse model that transplantation of rs2204985 AA human hematopoietic stem cells (HSC) into immunodeficient mice led to lower thymocyte counts and poorer TCR diversity. T cell mediated pathways are known to play a significant role in immunological processes affecting HSCT outcome like GvL, GvH and infection. Aim of this study was to investigate the potential impact of donor rs2204985 genotype on patient's outcome after unrelated HSCT.

Myeloblasts are associated with adverse outcomes and define transformation to acute myeloid leukemia in all chronic myeloid neoplasms. Myeloblasts represent hematopoietic stem and progenitor cells (HSPCs) that express CD34, but are never resolved into stem and progenitor subpopulations during clinical evaluation. Therefore, how expansion of myeloblasts reshapes the HSPC compartment and its impact on clinical outcomes remains undefined. To address this important feature of disease progression, we transcriptionally and immunophenotypically mapped CD34 +HSPCs at single cell resolution for 66 samples from 45 patients with CMML. Single cell-RNA sequencing was performed on 137,578 CD34 +enriched HSPCs from 39 CMML samples and integrated with 63,672 publicly available CD34 +normal HSPCs (Fig A). We overlaid each CMML sample on a pseudotime projection of differentiation trajectories from normal samples to establish sample-specific aberrancies in HSPC states. This mapping classified samples into HSPC-biased groups of monocyte (mono)-bias, megakaryocyte erythroid (ME)-bias, and normal-like, respectively enriched for GMP, MEP, and HSC transcriptional signatures (Fig B). These groups were associated with distinct clinical genomic characteristics and were congruent with patient-specific bulk sequencing. For example, ME biased cases had statistically higher hemoglobin and mono-bias cases were associated with adverse survival, inflammatory clinical correlates, and RAS pathway mutations (Fig C). Importantly, we identified significant depletion of HSC across CMML that was most pronounced in the mono-bias group. This was validated by flow cytometry in 26 CD34 +enriched samples, which showed HSC numbers decreased as myeloblasts expanded and disease progressed (Fig D,E).

Introduction

Introduction

Averbuch: Takeda: Consultancy; Pfizer: Consultancy; GSK: Speakers Bureau. De La Camara: Roche: Consultancy; IQONE: Consultancy. Corbacioglu: Gentium/Jazz Pharmaceuticals: Consultancy, Honoraria. Mikulska: Pfizer: Membership on an entity's Board of Directors or advisory committees, Speakers Bureau; Gilead: Speakers Bureau; MSD: Speakers Bureau; Janssen: Speakers Bureau; Biotest: Speakers Bureau. Kulagin: Roche: Speakers Bureau; Sanofi: Speakers Bureau; Generium: Speakers Bureau; Biocad: Research Funding; Apellis: Research Funding; Alexion: Research Funding; X4 Pharmaceuticals: Research Funding; Novartis: Speakers Bureau; Johnson & Johnson: Speakers Bureau; Pfizer: Speakers Bureau. Cesaro: Sobi: Membership on an entity's Board of Directors or advisory committees; Gilead: Speakers Bureau. Lawson: Alexion: Honoraria. Kroeger: Neovii: Honoraria, Research Funding; Sanofi: Honoraria; Jazz: Honoraria, Research Funding; Celgene: Honoraria, Research Funding; Riemser: Honoraria, Research Funding; Gilead/Kite: Honoraria; AOP Pharma: Honoraria; Novartis: Honoraria. Styczynski: MSD, Pfizer, Giled, TEVA, Jazz, Novartis: Honoraria, Speakers Bureau. Ljungman: Takeda: Consultancy, Other: Endpoint committee, speaker; Enanta: Other: DSMB; Janssen: Other: Investigator; OctaPharma: Other: DSMB; Merck: Other: Investigator, speaker; AiCuris: Consultancy.

Bethge: Novartis: Consultancy, Honoraria, Speakers Bureau; Kite-Gilead: Consultancy, Honoraria, Speakers Bureau; Miltenyi Biotec: Consultancy, Honoraria, Research Funding, Speakers Bureau; Janssen: Consultancy, Honoraria, Speakers Bureau; Celgene: Consultancy, Honoraria, Speakers Bureau. Schmitt: TolerogenixX: Current holder of individual stocks in a privately-held company; Novartis: Other: Travel grants, Research Funding; Kite Gilead: Other: Travel grants; Apogenix: Research Funding; MSD: Membership on an entity's Board of Directors or advisory committees; Bluebird Bio: Other: Travel grants; Hexal: Other: Travel grants, Research Funding. Holtick: Celgene: Honoraria; Sanofi: Honoraria. Borchmann: Gilead Sciences: Honoraria; BMS/Celgene: Honoraria; Janssen: Honoraria; Miltenyi Biotech: Honoraria; Novartis: Honoraria. Subklewe: Klinikum der Universität München: Current Employment; Pfizer: Consultancy, Speakers Bureau; Roche: Research Funding; Novartis: Consultancy, Research Funding, Speakers Bureau; MorphoSys: Research Funding; Janssen: Consultancy; Seattle Genetics: Consultancy, Research Funding; Takeda: Speakers Bureau; Miltenyi: Research Funding; Gilead: Consultancy, Research Funding, Speakers Bureau; Amgen: Consultancy, Research Funding, Speakers Bureau; BMS/Celgene: Consultancy, Research Funding, Speakers Bureau. von Tresckow: Roche: Consultancy, Honoraria; Kite-Gilead: Consultancy, Honoraria; Pfizer: Consultancy, Honoraria; Pentixafarm: Consultancy, Honoraria; Novartis: Consultancy, Honoraria, Other: congress and travel support, Research Funding; MSD: Consultancy, Honoraria, Other: congress and travel support, Research Funding; BMS-Celgene: Consultancy, Honoraria, Other: congress and travel support; AstraZeneca: Honoraria, Other: congress and travel support; Amgen: Consultancy, Honoraria; AbbVie: Other: congress and travel support; Takeda: Consultancy, Honoraria, Other, Research Funding. Ayuk: Gilead: Honoraria; Mallinckrodt/Therakos: Honoraria, Research Funding; Janssen: Honoraria; Takeda: Honoraria; Miltenyi Biomedicine: Honoraria; Celgene/BMS: Honoraria; Novartis: Honoraria. Kroeger: Novartis: Honoraria; AOP Pharma: Honoraria; Gilead/Kite: Honoraria; Riemser: Honoraria, Research Funding; Celgene: Honoraria, Research Funding; Jazz: Honoraria, Research Funding; Sanofi: Honoraria; Neovii: Honoraria, Research Funding. Wulf: Takeda: Consultancy, Honoraria; Novartis: Consultancy, Honoraria; Gilead: Consultancy, Honoraria; Clinigen: Consultancy, Honoraria. Marks: Merck: Consultancy; Kite/Gilead: Honoraria; AbbVie: Other: Meeting attendance; Kite/Gilead: Membership on an entity's Board of Directors or advisory committees. Penack: Astellas: Honoraria; Gilead: Honoraria; Jazz: Honoraria; Omeros: Consultancy; Shionogi: Consultancy; Priothera: Consultancy; Incyte: Research Funding; Takeda: Research Funding; Therakos: Honoraria; Pfizer: Honoraria; Neovii: Honoraria; Novartis: Honoraria; MSD: Honoraria. Koenecke: Kite/Gilead: Consultancy; BMS/Celgene: Consultancy; Janssen: Consultancy; Novartis: Consultancy; EUSA Pharm: Consultancy. Von Bonin: Kite/Gilead: Other: traveling support and advisory fees; Novartis: Other: traveling support and advisory fees; Daiichi Sankyo: Other: traveling support and advisory fees. Stelljes: Amgen: Consultancy, Speakers Bureau; Celgene/BMS: Consultancy, Speakers Bureau; Medac: Speakers Bureau; Novartis: Consultancy, Speakers Bureau; Pfizer: Consultancy, Research Funding, Speakers Bureau; MSD: Consultancy, Speakers Bureau; Kite/Gilead: Consultancy, Speakers Bureau. Glass: BMS: Consultancy; Helios Klinik Berlin-Buch: Current Employment; Kite: Consultancy; Novartis: Consultancy; Riemser: Research Funding; Roche: Consultancy, Research Funding, Speakers Bureau. Baldus: Novartis: Honoraria; Amgen: Honoraria; Celgene/BMS: Honoraria; Jazz: Honoraria. Vucinic: Janssen: Honoraria, Other: Travel Sponsoring; Novartis: Honoraria; Abbvie: Honoraria, Other: Travel Sponsoring; Gilead: Honoraria, Other: Travel Sponsoring; MSD: Honoraria. Topp: Celgene: Consultancy, Research Funding; Kite, a Gilead Company: Consultancy, Research Funding; Roche: Consultancy, Research Funding; Novartis: Consultancy; Janssen: Consultancy; Amgen: Consultancy, Research Funding; Gilead: Research Funding; Regeneron: Consultancy, Research Funding; Macrogeniecs: Research Funding; Universitatklinikum Wurzburg: Current Employment. Schroers: BMS/Celgene: Consultancy, Honoraria; Janssen: Consultancy, Honoraria; GSK: Consultancy, Honoraria; Takeda: Honoraria. Thomas: Abbvie: Honoraria, Speakers Bureau; Art tempi: Honoraria, Speakers Bureau; BMS-Celgene: Consultancy, Honoraria, Other: travel support, Research Funding, Speakers Bureau; EUSA Pharma: Consultancy, Honoraria; Janssen: Consultancy, Honoraria, Other: travel support; Kite-Gilead: Honoraria, Other: travel support, Research Funding, Speakers Bureau; Medigene: Consultancy, Honoraria, Other: Travel support; Novartis: Consultancy, Honoraria, Other: travel support, Speakers Bureau; Pfizer: Consultancy, Honoraria, Other: Travel support, Speakers Bureau. Dreger: Bluebird Bio: Consultancy; BMS: Consultancy; AbbVie: Consultancy, Speakers Bureau; Riemser: Consultancy, Research Funding, Speakers Bureau; Novartis: Consultancy, Speakers Bureau; Roche: Consultancy, Speakers Bureau; Gilead Sciences: Consultancy, Speakers Bureau; Janssen: Consultancy; AstraZeneca: Consultancy, Speakers Bureau.

Komrokji: Acceleron: Consultancy; AbbVie: Consultancy; Taiho Oncology: Membership on an entity's Board of Directors or advisory committees; PharmaEssentia: Membership on an entity's Board of Directors or advisory committees; Geron: Consultancy; Jazz: Consultancy, Speakers Bureau; BMSCelgene: Consultancy, Membership on an entity's Board of Directors or advisory committees, Speakers Bureau; Novartis: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees. Sallman: Intellia: Membership on an entity's Board of Directors or advisory committees; Agios: Membership on an entity's Board of Directors or advisory committees; Bristol-Myers Squibb: Membership on an entity's Board of Directors or advisory committees, Speakers Bureau; Syndax: Membership on an entity's Board of Directors or advisory committees; Novartis: Consultancy, Membership on an entity's Board of Directors or advisory committees; Kite: Membership on an entity's Board of Directors or advisory committees; Shattuck Labs: Membership on an entity's Board of Directors or advisory committees; Magenta: Consultancy; Takeda: Consultancy; Aprea: Membership on an entity's Board of Directors or advisory committees, Research Funding; AbbVie: Membership on an entity's Board of Directors or advisory committees; Incyte: Speakers Bureau. Bejar: Gilead: Consultancy, Honoraria; Takeda: Research Funding; Aptose Biosciences, Inc.: Current Employment, Current equity holder in publicly-traded company; Silence Therapeutics: Consultancy; Astex: Consultancy; Epizyme: Consultancy, Honoraria; BMS: Consultancy, Research Funding. Padron: BMS: Research Funding; Incyte: Research Funding; Kura: Research Funding; Blueprint: Honoraria; Taiho: Honoraria; Stemline: Honoraria.

Heuser: Karyopharm: Research Funding; Tolremo: Membership on an entity's Board of Directors or advisory committees; Daiichi Sankyo: Membership on an entity's Board of Directors or advisory committees, Research Funding; Novartis: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding; Janssen: Honoraria; Jazz: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding; Astellas: Research Funding; Pfizer: Membership on an entity's Board of Directors or advisory committees, Research Funding; AbbVie: Membership on an entity's Board of Directors or advisory committees, Research Funding; BergenBio: Research Funding; Roche: Membership on an entity's Board of Directors or advisory committees, Research Funding; Bayer Pharma AG: Research Funding; BMS/Celgene: Membership on an entity's Board of Directors or advisory committees, Research Funding. Thol: Pfizer: Honoraria; Abbvie: Honoraria; Astellas: Honoraria; BMS/Celgene: Honoraria, Research Funding; Jazz: Honoraria; Novartis: Honoraria. Scott: Bristol Myers Squibb: Consultancy, Honoraria, Research Funding. Kroeger: Neovii: Honoraria, Research Funding; Sanofi: Honoraria; Jazz: Honoraria, Research Funding; Celgene: Honoraria, Research Funding; Riemser: Honoraria, Research Funding; Gilead/Kite: Honoraria; AOP Pharma: Honoraria; Novartis: Honoraria.

Shouval: Medexus: Consultancy. Kroeger: AOP Pharma: Honoraria; Gilead/Kite: Honoraria; Riemser: Honoraria, Research Funding; Celgene: Honoraria, Research Funding; Jazz: Honoraria, Research Funding; Sanofi: Honoraria; Neovii: Honoraria, Research Funding; Novartis: Honoraria. Horowitz: Daiicho Sankyo: Research Funding; Allovir: Consultancy; Miltenyi Biotech: Research Funding; Medac: Research Funding; Kite/Gilead: Research Funding; Genentech: Research Funding; Jazz Pharmaceuticals: Research Funding; Janssen: Research Funding; Kiadis: Research Funding; CSL Behring: Research Funding; Gamida Cell: Research Funding; bluebird bio: Research Funding; Bristol-Myers Squibb: Research Funding; Amgen: Research Funding; Astellas: Research Funding; Chimerix: Research Funding; GlaxoSmithKline: Research Funding; Novartis: Research Funding; Magenta: Consultancy, Research Funding; Actinium: Research Funding; Mesoblast: Research Funding; Omeros: Research Funding; Orca Biosystems: Research Funding; Pfizer, Inc: Research Funding; Pharmacyclics: Research Funding; Regeneron: Research Funding; Sanofi: Research Funding; Seattle Genetics: Research Funding; Shire: Research Funding; Sobi: Research Funding; Stemcyte: Research Funding; Takeda: Research Funding; Tscan: Research Funding; Vertex: Research Funding; Vor Biopharma: Research Funding; Xenikos: Research Funding. Malmberg: Merck: Research Funding; Vycellix: Consultancy; Fate Therapeutics: Consultancy, Research Funding. Miller: Sanofi: Membership on an entity's Board of Directors or advisory committees; Magenta: Membership on an entity's Board of Directors or advisory committees; ONK Therapeutics: Honoraria, Membership on an entity's Board of Directors or advisory committees; Vycellix: Consultancy; GT Biopharma: Consultancy, Patents & Royalties, Research Funding; Fate Therapeutics, Inc: Consultancy, Patents & Royalties, Research Funding; Wugen: Membership on an entity's Board of Directors or advisory committees. Mohty: Sanofi: Honoraria, Research Funding; Pfizer: Honoraria; Novartis: Honoraria; Takeda: Honoraria; Jazz: Honoraria, Research Funding; Janssen: Honoraria, Research Funding; Gilead: Honoraria; Celgene: Honoraria, Research Funding; Bristol Myers Squibb: Honoraria; Astellas: Honoraria; Amgen: Honoraria; Adaptive Biotechnologies: Honoraria. Romee: Crispr Therapeutics: Research Funding; Glycostem: Membership on an entity's Board of Directors or advisory committees. Schetelig: Roche: Honoraria, Other: lecture fees; Novartis: Honoraria, Other: lecture fees; BMS: Honoraria, Other: lecture fees; Abbvie: Honoraria, Other: lecture fees; AstraZeneca: Honoraria, Other: lecture fees; Gilead: Honoraria, Other: lecture fees; Janssen: Honoraria, Other: lecture fees . Weisdorf: Fate Therapeutics: Research Funding; Incyte: Research Funding. Koreth: Biolojic Design: Other: Scientific Advisory Board; Mallinckrodt: Other: Scientific Advisory Board; Cugene: Other: Scientific Advisory Board; Moderna: Consultancy; Amgen: Consultancy; EMD Serono/Merck: Consultancy; Gentibio Inc.: Consultancy; Miltenyi Biotec: Research Funding; BMS: Research Funding; Clinigen Labs: Research Funding; Regeneron: Research Funding; Equillium: Research Funding.

Platzbecker: Geron: Honoraria; Janssen: Honoraria; Takeda: Honoraria; AbbVie: Honoraria; Novartis: Honoraria; Celgene/BMS: Honoraria. Sala: Celgene/BMS: Consultancy, Honoraria; Novartis: Consultancy, Honoraria; Gilead: Consultancy, Honoraria; Jazz: Consultancy, Honoraria. Wulf: Gilead: Consultancy, Honoraria; Novartis: Consultancy, Honoraria; Takeda: Consultancy, Honoraria; Clinigen: Consultancy, Honoraria. Kroeger: Celgene: Honoraria, Research Funding; Riemser: Honoraria, Research Funding; Gilead/Kite: Honoraria; AOP Pharma: Honoraria; Novartis: Honoraria; Jazz: Honoraria, Research Funding; Sanofi: Honoraria; Neovii: Honoraria, Research Funding. Einsele: Janssen, Celgene/BMS, Amgen, GSK, Sanofi: Consultancy, Honoraria, Research Funding. Hertenstein: Novartis: Honoraria; Sanofi: Honoraria; Celgene: Honoraria; BMS: Honoraria. Schrezenmeier: Alexion, AstraZeneca Rare Disease: Honoraria, Other: Travel support, Research Funding; Roche: Honoraria; Novartis: Honoraria; Apellis: Honoraria; Sanofi: Honoraria.

Ayuk: Novartis: Honoraria, Other: Advisory Board, Research Funding. Kroeger:Medac: Honoraria; Sanofi-Aventis: Honoraria; Neovii: Honoraria, Research Funding; Riemser: Research Funding; JAZZ: Honoraria; Novartis: Honoraria, Research Funding; Celgene: Honoraria, Research Funding; DKMS: Research Funding.

Background

Robin: Novartis Neovii: Research Funding. Beelen:Medac GmbH Wedel Germany: Consultancy, Honoraria. Kroeger:DKMS: Research Funding; Neovii: Honoraria, Research Funding; Celgene: Honoraria, Research Funding; Riemser: Research Funding; JAZZ: Honoraria; Sanofi-Aventis: Honoraria; Novartis: Honoraria, Research Funding; Medac: Honoraria. Platzbecker:Celgene: Consultancy, Honoraria, Research Funding; Novartis: Consultancy, Honoraria, Research Funding; Abbvie: Consultancy, Honoraria. Finke:Riemser: Honoraria, Other: research support, Speakers Bureau; Neovii: Honoraria, Other: research support, Speakers Bureau; Medac: Honoraria, Other: research support, Speakers Bureau. Blaise:Pierre Fabre medicaments: Honoraria; Molmed: Consultancy, Honoraria; Sanofi: Honoraria; Jazz Pharmaceuticals: Honoraria. Chevallier:Daiichi Sankyo: Honoraria; Incyte: Consultancy, Honoraria; Jazz Pharmaceuticals: Honoraria.

Current risk stratification for newly diagnosed patients with chronic myelomonocytic leukemia (CMML) includes clinical and genetic features accounting for its variable disease course. Allogeneic stem cell transplantation still remains the only curative treatment option, and prognostication of posttransplant outcome may be improved using molecular information. Here, we aim to evaluate the molecular profile and its role on posttransplant outcome in a multicenter CMML cohort.

Robin: Novartis Neovii: Research Funding. Beelen:Medac GmbH Wedel Germany: Consultancy, Honoraria. Fenaux:Celgene Corporation: Honoraria, Research Funding; Astex: Honoraria, Research Funding; Jazz: Honoraria, Research Funding; Aprea: Research Funding. Kroeger:Riemser: Research Funding; Novartis: Honoraria, Research Funding; Medac: Honoraria; DKMS: Research Funding; Neovii: Honoraria, Research Funding; Celgene: Honoraria, Research Funding; JAZZ: Honoraria; Sanofi-Aventis: Honoraria. Nazha:Tolero, Karyopharma: Honoraria; MEI: Other: Data monitoring Committee; Novartis: Speakers Bureau; Jazz Pharmacutical: Research Funding; Incyte: Speakers Bureau; Daiichi Sankyo: Consultancy; Abbvie: Consultancy. Rampal:Agios, Apexx, Blueprint Medicines, Celgene, Constellation, and Jazz: Consultancy; Constellation, Incyte, and Stemline Therapeutics: Research Funding. Finke:Riemser: Honoraria, Other: research support, Speakers Bureau; Neovii: Honoraria, Other: research support, Speakers Bureau; Medac: Honoraria, Other: research support, Speakers Bureau. Komrokji:Agios: Consultancy; DSI: Consultancy; pfizer: Consultancy; celgene: Consultancy; JAZZ: Consultancy; Novartis: Speakers Bureau; JAZZ: Speakers Bureau; Incyte: Consultancy. Killick:JAZZ: Honoraria; Celgene: Honoraria; NOVARTIS: Honoraria, Membership on an entity's Board of Directors or advisory committees; ALEXION: Honoraria. Blaise:Molmed: Consultancy, Honoraria; Sanofi: Honoraria; Pierre Fabre medicaments: Honoraria; Jazz Pharmaceuticals: Honoraria. Garcia-Manero:Amphivena: Consultancy, Research Funding; Helsinn: Research Funding; Novartis: Research Funding; AbbVie: Research Funding; Celgene: Consultancy, Research Funding; Astex: Consultancy, Research Funding; Onconova: Research Funding; H3 Biomedicine: Research Funding; Merck: Research Funding. Patnaik:Stem Line Pharmaceuticals.: Membership on an entity's Board of Directors or advisory committees.

Ayuk: Novartis: Honoraria, Other: Advisory Board, Research Funding. Wagner:MEDAC: Other: Travel support; Novartis: Other: Advisory board; Pfizer: Other: Advisory board; MSD: Other: Advisory board. Wolff:Neovi: Honoraria; Novartis: Honoraria; Takeda: Honoraria; Mallinckrodt: Honoraria. von Harsdorf:Novartis: Other: none. Koenecke:Novartis: Other: none. Sayer:Novartis: Other: none. Kroeger:Novartis: Honoraria, Other: Advisory Board, Travel Costs, Research Funding.Everolimus used for Treatment of chronic GVHD

Cowan: Celgene: Consultancy, Research Funding; Cellectar: Consultancy; Juno: Research Funding; Sanofi: Consultancy; Abbvie: Research Funding; Janssen: Consultancy, Research Funding. Atsuta:Janssen Paharmaceutical K.K.: Honoraria; Kyowa Kirin Co., Ltd: Honoraria; Chugai Pharmaceutical Co., Ltd.: Honoraria; Mochida Pharmaceutical Co. Ltd: Honoraria. Worel:Sanofi Genzyme, Malinckrodt Therakos: Research Funding; Jazz, Sanofi, Celgene, Novartis, Malinckrodt Therakos: Honoraria; Sanofi Genzyme, Malinckrodt Therakos: Speakers Bureau. Libby:Alnylam: Consultancy; Abbvie: Consultancy; Pharmacyclics and Janssen: Consultancy; Akcea: Consultancy. Pasquini:Novartis: Research Funding; Kite Pharmaceuticals: Research Funding; BMS: Research Funding; Medigene: Consultancy; Amgen: Consultancy; Pfizer: Consultancy. Galeano:Szabo SA: Other: (Equity interest). Szer:Amgen: Honoraria, Other: Travel, Research Funding; Alexion: Honoraria, Other: Travel, Research Funding; Pfizer: Honoraria, Other: Travel, Research Funding; Sanofi: Honoraria, Other: Travel, Research Funding; Takeda: Honoraria, Other: Travel, Research Funding; Prevail Therapeutics: Honoraria, Other: Travel, Research Funding; Novartis: Honoraria, Other: Travel, Research Funding; MSD: Honoraria, Other: Travel, Research Funding; Celgene: Honoraria, Other: Travel, Research Funding. Kroeger:Neovii: Honoraria, Research Funding; Celgene: Honoraria, Research Funding; Riemser: Research Funding; JAZZ: Honoraria; Sanofi-Aventis: Honoraria; Novartis: Honoraria, Research Funding; Medac: Honoraria; DKMS: Research Funding. Weisdorf:Fate Therapeutics: Consultancy; Incyte: Research Funding; Pharmacyclics: Consultancy. Niederwieser:Cellectis: Consultancy; Daichii: Speakers Bureau.

Bogdanov: Jazz Pharmaceuticals, MSD.: Other: Travel subsidies. Stoelzel:Neovii: Other: Travel funding; JAZZ Pharmaceuticals: Consultancy; Shire: Consultancy, Other: Travel funding. Rautenberg:Jazz Pharmaceuticals: Other: Travel Support; Celgene: Honoraria, Other: Travel Support. Dreger:Neovii, Riemser: Research Funding; MSD: Membership on an entity's Board of Directors or advisory committees, Other: Sponsoring of Symposia; AbbVie, AstraZeneca, Gilead, Janssen, Novartis, Riemser, Roche: Consultancy; AbbVie, Gilead, Novartis, Riemser, Roche: Speakers Bureau. Finke:Riemser: Honoraria, Other: research support, Speakers Bureau; Neovii: Honoraria, Other: research support, Speakers Bureau; Medac: Honoraria, Other: research support, Speakers Bureau. Kobbe:Pfizer: Honoraria, Other: Travel support; Takeda: Honoraria, Other: Travel support; Celgene: Honoraria, Other: Travel support, Research Funding; Jazz: Honoraria, Other: Travel support; Amgen: Honoraria, Other: Travel support, Research Funding; Biotest: Honoraria, Other: Travel support; MSD: Honoraria, Other: Travel support; Neovii: Honoraria, Other: Travel support; Abbvie: Honoraria, Other: Travel support; Novartis: Honoraria, Other: Travel support; Roche: Honoraria, Other: Travel support; Medac: Honoraria, Other: Travel support. Platzbecker:Celgene: Consultancy, Honoraria, Research Funding; Abbvie: Consultancy, Honoraria; Novartis: Consultancy, Honoraria, Research Funding. Robin:Novartis Neovii: Research Funding. Beelen:Medac GmbH Wedel Germany: Consultancy, Honoraria. Kroeger:JAZZ: Honoraria; Neovii: Honoraria, Research Funding; Celgene: Honoraria, Research Funding; Sanofi-Aventis: Honoraria; Novartis: Honoraria, Research Funding; Medac: Honoraria; DKMS: Research Funding; Riemser: Research Funding.

Background:

Kroeger: Celgene: Honoraria, Research Funding; Neovii: Honoraria, Research Funding; JAZZ: Honoraria; Riemser: Honoraria, Research Funding; Sanofi: Honoraria; Novartis: Honoraria, Research Funding. Bethge:Miltenyi Biotec GmbH: Consultancy, Honoraria, Research Funding; Neovii GmbH: Honoraria, Research Funding. Schlenk:Pfizer: Research Funding, Speakers Bureau. Kobbe:Amgen: Honoraria, Research Funding; Celgene: Honoraria, Other: Travel Support, Research Funding; Roche: Honoraria, Research Funding. Bug:Novartis Pharma: Honoraria, Research Funding; Jazz Pharmaceuticals: Other: Travel Grant; Celgene: Honoraria; Astellas Pharma: Other: Travel Grant; Janssen: Other: Travel Grant; Amgen: Honoraria; Neovii: Other: Travel Grant. Scheid:Celgene: Honoraria; Janssen: Honoraria; Novartis: Honoraria, Research Funding; Takeda: Honoraria, Research Funding; BMS: Honoraria; Amgen: Honoraria. Krönke:Celgene: Honoraria. Stelljes:Novartis: Honoraria; Amgen: Honoraria; JAZZ: Honoraria; MSD: Consultancy; Pfizer: Consultancy, Honoraria, Research Funding. Beelen:Medac: Consultancy, Other: Travel Support. Platzbecker:Celgene: Research Funding.

Mesa: UT Health San Antonio - Mays Cancer Center: Employment; Celgene: Research Funding; Novartis: Consultancy; Incyte Corporation: Research Funding; Pfizer: Research Funding; CTI Biopharma: Research Funding; Genentech: Research Funding; Promedior: Research Funding; NS Pharma: Research Funding; Gilead: Research Funding. Palmer:Novartis: Research Funding. Harrison:Novartis: Consultancy, Honoraria, Research Funding, Speakers Bureau; Gilead: Honoraria, Speakers Bureau; CTI BioPharma: Consultancy, Honoraria; Roche: Consultancy, Honoraria; Celgene: Consultancy, Honoraria, Speakers Bureau. Verstovsek:Italfarmaco: Membership on an entity's Board of Directors or advisory committees; Incyte: Consultancy; Celgene: Membership on an entity's Board of Directors or advisory committees; Novartis: Membership on an entity's Board of Directors or advisory committees, Research Funding, Speakers Bureau. Scherber:Gilead: Honoraria.