201
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Crazzolara R, Kropshofer G, Steurer M, Sopper S, Schwinger W. Detection of Residual Donor Erythroid Progenitor Cells after Hematopoietic Stem Cell Transplantation for Patients with Hemoglobinopathies. J Vis Exp 2017. [PMID: 28930976 DOI: 10.3791/56002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
The presence of incomplete chimerism is noted in a large proportion of patients following bone marrow transplant for thalassemia major or sickle cell disease. This observation has tremendous implications, as subsequent therapeutic immunomodulation strategies can improve clinical outcome. Conventionally, polymerase chain reaction-based analysis of short tandem repeats is used to identify chimerism in donor-derived blood cells. However, this method is restricted to nucleated cells and cannot distinguish between dissociated single-cell lineages. We applied the analysis of short tandem repeats to flow cytometric-sorted hematopoietic progenitor cells and compared this with the analysis of short tandem repeats obtained from selected burst-forming unit - erythroid colonies, both collected from the bone marrow. With this method we are able to demonstrate the different proliferation and differentiation of donor cells in the erythroid compartment. This technique is eligible to complete current monitoring of chimerism in the stem cell transplant setting and thus may be applied in future clinical studies, stem cell research and design of gene therapy trials.
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Affiliation(s)
| | | | - Michael Steurer
- Department of Internal Medicine V (Hematology & Oncology), Medical University Innsbruck
| | - Sieghart Sopper
- Department of Internal Medicine V (Hematology & Oncology), Medical University Innsbruck; Tyrolean Cancer Research Institute
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202
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Editing an α-globin enhancer in primary human hematopoietic stem cells as a treatment for β-thalassemia. Nat Commun 2017; 8:424. [PMID: 28871148 PMCID: PMC5583283 DOI: 10.1038/s41467-017-00479-7] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 06/30/2017] [Indexed: 01/20/2023] Open
Abstract
β-Thalassemia is one of the most common inherited anemias, with no effective cure for most patients. The pathophysiology reflects an imbalance between α- and β-globin chains with an excess of free α-globin chains causing ineffective erythropoiesis and hemolysis. When α-thalassemia is co-inherited with β-thalassemia, excess free α-globin chains are reduced significantly ameliorating the clinical severity. Here we demonstrate the use of CRISPR/Cas9 genome editing of primary human hematopoietic stem/progenitor (CD34+) cells to emulate a natural mutation, which deletes the MCS-R2 α-globin enhancer and causes α-thalassemia. When edited CD34+ cells are differentiated into erythroid cells, we observe the expected reduction in α-globin expression and a correction of the pathologic globin chain imbalance in cells from patients with β-thalassemia. Xenograft assays show that a proportion of the edited CD34+ cells are long-term repopulating hematopoietic stem cells, demonstrating the potential of this approach for translation into a therapy for β-thalassemia. β-thalassemia is characterised by the presence of an excess of α-globin chains, which contribute to erythrocyte pathology. Here the authors use CRISP/Cas9 to reduce α-globin expression in hematopoietic precursors, and show effectiveness in xenograft assays in mice.
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203
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Yeral M, Boga C, Aytan P, Ozdogu H. Corticosteroid-induced vaso-occlusive events may be prevented by lowering hemoglobin S levels in adults with sickle cell disease. Transfus Apher Sci 2017; 56:717-718. [PMID: 28988593 DOI: 10.1016/j.transci.2017.08.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 08/15/2017] [Accepted: 08/17/2017] [Indexed: 11/26/2022]
Affiliation(s)
- Mahmut Yeral
- Department of Hematology, Faculty of Medicine, Baskent University, Ankara, Turkey; Baskent University Adana Adult Bone Marrow Transplantation Center, Yuregir, 01250 Adana, Turkey.
| | - Can Boga
- Department of Hematology, Faculty of Medicine, Baskent University, Ankara, Turkey; Baskent University Adana Adult Bone Marrow Transplantation Center, Yuregir, 01250 Adana, Turkey.
| | - Pelin Aytan
- Department of Hematology, Faculty of Medicine, Baskent University, Ankara, Turkey; Baskent University Adana Adult Bone Marrow Transplantation Center, Yuregir, 01250 Adana, Turkey.
| | - Hakan Ozdogu
- Department of Hematology, Faculty of Medicine, Baskent University, Ankara, Turkey; Baskent University Adana Adult Bone Marrow Transplantation Center, Yuregir, 01250 Adana, Turkey.
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204
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Crighton G, Wood E, Scarborough R, Ho PJ, Bowden D. Haemoglobin disorders in Australia: where are we now and where will we be in the future? Intern Med J 2017; 46:770-9. [PMID: 27040044 DOI: 10.1111/imj.13084] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Revised: 11/16/2015] [Accepted: 03/28/2016] [Indexed: 11/29/2022]
Abstract
Inherited disorders of haemoglobin (Hb), such as thalassaemia and sickle cell disease (SCD) are common and responsible for significant morbidity and mortality on a global scale. As Australia becomes increasingly ethnically diverse, their prevalence will increase. However, we lack important demographic and epidemiological data to manage these disorders and their consequences and to support affected individuals and communities. Thalassaemia and SCD are lifelong conditions. Affected individuals have reduced life expectancies, poorer quality of life and complex healthcare needs. Treatment strategies currently focus on prenatal diagnosis, red blood cell transfusion, iron chelation, management of iron-related complications, haemopoietic stem cell transplantation (HSCT) and hydroxyurea. Currently, the only curative therapy is HSCT; however, gene therapy offers the possibility of cure and trials are currently underway. These therapies are associated with significant complications and substantial costs; there is also evidence of variation in approaches to diagnosis and care. Optimal strategies for many aspects of management are not yet defined and more research is necessary to inform clinical care and health service delivery.
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Affiliation(s)
- G Crighton
- Transfusion Outcomes Research Collaborative, Australian Red Cross Blood Service, Monash University, Melbourne, Victoria, Australia.,Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Department of Clinical Haematology, The Royal Children's Hospital, Melbourne, Victoria, Australia
| | - E Wood
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Monash Medical Centre, Melbourne, Victoria, Australia
| | - R Scarborough
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - P J Ho
- Institute of Haematology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia.,Bosch Institute, University of Sydney, Sydney, New South Wales, Australia
| | - D Bowden
- Monash Medical Centre, Melbourne, Victoria, Australia
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205
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Arnold SD, Brazauskas R, He N, Li Y, Aplenc R, Jin Z, Hall M, Atsuta Y, Dalal J, Hahn T, Khera N, Bonfim C, Majhail NS, Diaz MA, Freytes CO, Wood WA, Savani BN, Kamble RT, Parsons S, Ahmed I, Sullivan K, Beattie S, Dandoy C, Munker R, Marino S, Bitan M, Abdel-Azim H, Aljurf M, Olsson RF, Joshi S, Buchbinder D, Eckrich MJ, Hashmi S, Lazarus H, Marks DI, Steinberg A, Saad A, Gergis U, Krishnamurti L, Abraham A, Rangarajan HG, Walters M, Lipscomb J, Saber W, Satwani P. Clinical risks and healthcare utilization of hematopoietic cell transplantation for sickle cell disease in the USA using merged databases. Haematologica 2017; 102:1823-1832. [PMID: 28818869 PMCID: PMC5664386 DOI: 10.3324/haematol.2017.169581] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 08/10/2017] [Indexed: 12/11/2022] Open
Abstract
Advances in allogeneic hematopoietic cell transplantation for sickle cell disease have improved outcomes, but there is limited analysis of healthcare utilization in this setting. We hypothesized that, compared to late transplantation, early transplantation (at age <10 years) improves outcomes and decreases healthcare utilization. We performed a retrospective study of children transplanted for sickle cell disease in the USA during 2000-2013 using two large databases. Univariate and Cox models were used to estimate associations of demographics, sickle cell disease severity, and transplant-related variables with mortality and chronic graft-versus-host disease, while Wilcoxon, Kruskal-Wallis, or linear trend tests were applied for the estimates of healthcare utilization. Among 161 patients with a 2-year overall survival rate of 90% (95% confidence interval [CI] 85-95%) mortality was significantly higher in those who underwent late transplantation versus early (hazard ratio (HR) 21, 95% CI 2.8-160.8, P=0.003) and unrelated compared to matched sibling donor transplantation (HR 5.9, 95% CI 1.7-20.2, P=0.005). Chronic graftversus host disease was significantly more frequent among those translanted late (HR 1.9, 95% CI 1.0-3.5, P=0.034) and those who received an unrelated graft (HR 2.5, 95% CI 1.2-5.4; P=0.017). Merged data for 176 patients showed that the median total adjusted transplant cost per patient was $467,747 (range: $344,029-$799,219). Healthcare utilization was lower among recipients of matched sibling donor grafts and those with low severity disease compared to those with other types of donor and disease severity types (P<0.001 and P=0.022, respectively); no association was demonstrated with late transplantation (P=0.775). Among patients with 2-year pre- and post-transplant data (n=41), early transplantation was associated with significant reductions in admissions (P<0.001), length of stay (P<0.001), and cost (P=0.008). Early transplant outcomes need to be studied prospectively in young children without severe disease and an available matched sibling to provide conclusive evidence for the superiority of this approach. Reduced post-transplant healthcare utilization inpatient care indicates that transplantation may provide a sustained decrease in healthcare costs over time.
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Affiliation(s)
| | - Ruta Brazauskas
- CIBMTR (Center for International Blood and Marrow Transplant Research), Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA.,Division of Biostatistics, Institute for Health and Society, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Naya He
- CIBMTR (Center for International Blood and Marrow Transplant Research), Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Yimei Li
- University of Pennsylvania, Philadelphia, PA, USA
| | | | - Zhezhen Jin
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Matt Hall
- Division of Pediatric Hematology, Oncology and Stem Cell Transplantation, Department of Pediatrics, Columbia University Medical Center, New York, NY, USA
| | - Yoshiko Atsuta
- Japanese Data Center for Hematopoietic Cell Transplantation, Nagoya, Japan.,Nagoya University Graduate School of Medicine, Japan
| | - Jignesh Dalal
- Rainbow Babies & Children's Hospital, Cleveland, OH, USA
| | - Theresa Hahn
- Department of Medicine, Roswell Park Cancer Institute, Buffalo, NY, USA
| | - Nandita Khera
- Department of Hematology/Oncology, Mayo Clinic, Phoenix, AZ, USA
| | - Carmem Bonfim
- Hospital de Clinicas-Federal University of Parana, Curitiba, Brazil
| | - Navneet S Majhail
- Blood & Marrow Transplant Program, Cleveland Clinic Taussig Cancer Institute, Cleveland, OH, USA
| | - Miguel Angel Diaz
- Department of Hematology/Oncology, Hospital Infantil Universitario Nino Jesus, Madrid, Spain
| | | | - William A Wood
- Division of Hematology/Oncology, Department of Medicine, University of North Carolina, Chapel Hill, NC, USA
| | - Bipin N Savani
- Division of Hematology/Oncology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Rammurti T Kamble
- Divsion of Hematology and Oncology, Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX, USA
| | | | - Ibrahim Ahmed
- Rainbow Babies & Children's Hospital, Cleveland, OH, USA
| | | | | | | | - Reinhold Munker
- Section of Hematology/Oncology, Department of Internal Medicine, Louisiana State University Health Shreveport, LA, USA
| | | | - Menachem Bitan
- Department of Pediatric Hematology/Oncology, Tel-Aviv Sourasky Medical Center, Israel
| | - Hisham Abdel-Azim
- Division of Hematology, Oncology and Blood & Marrow Transplantation, Children's Hospital of Los Angeles, University of Southern California Keck School of Medicine, CA, USA
| | - Mahmoud Aljurf
- Department of Oncology, King Faisal Specialist Hospital Center & Research, Riydah, Saudi Arabia
| | - Richard F Olsson
- Division of Therapeutic Immunology, Department of Laboratory Medicine, Karolinksa Institutet, Stockholm, Sweden.,Centre for Clinical Research Sormland, Uppsala University, Sweden
| | - Sarita Joshi
- Pediatric Hematology, Oncology and BMT, Nationwide Children's Hospital and Ohio State University Wexner, Columbus, OH, USA
| | - Dave Buchbinder
- Division of Pediatrics Hematology, Children's Hospital of Orange County, Orange, CA, USA
| | | | - Shahrukh Hashmi
- Department of Oncology, King Faisal Specialist Hospital Center & Research, Riydah, Saudi Arabia.,Department of Internal Medicine, Mayo Clinic, Minneapolis, MN, USA
| | - Hillard Lazarus
- Seidman Cancer Center, University Hospitals Case Medical Center, Cleveland, OH, USA
| | - David I Marks
- Adult Bone Marrow Transplant, University Hospitals Bristol NHS Trust, Bristol, United Kingdom
| | - Amir Steinberg
- Department of Hematology-Oncology, Mount Saini Hospital, New York, NY, USA
| | - Ayman Saad
- Division of Hematology/Oncology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Usama Gergis
- Hematologic Malignancies & Bone Marrow Transplant, Department of Medical Oncology, New York Presbyterian Hospital/Weill Cornell Medical College, New York, NY, USA
| | | | - Allistair Abraham
- Division of Blood and Marrow Transplantation, Center for Cancer and Blood Disorders, Children's National Medical Center, Washington, DC, USA
| | - Hemalatha G Rangarajan
- Pediatric Hematology, Oncology and BMT, Nationwide Children's Hospital and Ohio State University Wexner, Columbus, OH, USA
| | - Mark Walters
- Children's Hospital & Research Center Oakland, Oakland, NY, USA
| | - Joseph Lipscomb
- Health Policy and Management, Rollins School of Public Health, Winship Cancer Institute, Emory University, Atlanta, GA, USA
| | - Wael Saber
- CIBMTR (Center for International Blood and Marrow Transplant Research), Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Prakash Satwani
- Division of Pediatric Hematology, Oncology and Stem Cell Transplantation, Department of Pediatrics, Columbia University Medical Center, New York, NY, USA
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206
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Ware RE, de Montalembert M, Tshilolo L, Abboud MR. Sickle cell disease. Lancet 2017; 390:311-323. [PMID: 28159390 DOI: 10.1016/s0140-6736(17)30193-9] [Citation(s) in RCA: 572] [Impact Index Per Article: 81.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 11/11/2016] [Accepted: 11/18/2016] [Indexed: 01/08/2023]
Abstract
Sickle cell disease is a common and life-threatening haematological disorder that affects millions of people worldwide. Abnormal sickle-shaped erythrocytes disrupt blood flow in small vessels, and this vaso-occlusion leads to distal tissue ischaemia and inflammation, with symptoms defining the acute painful sickle-cell crisis. Repeated sickling and ongoing haemolytic anaemia, even when subclinical, lead to parenchymal injury and chronic organ damage, causing substantial morbidity and early mortality. Currently available treatments are limited to transfusions and hydroxycarbamide, although stem cell transplantation might be a potentially curative therapy. Several new therapeutic options are in development, including gene therapy and gene editing. Recent advances include systematic universal screening for stroke risk, improved management of iron overload using oral chelators and non-invasive MRI measurements, and point-of-care diagnostic devices. Controversies include the role of haemolysis in sickle cell disease pathophysiology, optimal management of pregnancy, and strategies to prevent cerebrovascular disease.
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Affiliation(s)
- Russell E Ware
- Division of Hematology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
| | | | - Léon Tshilolo
- Centre Hospitalier Monkole, Kinshasa, Democratic Republic of Congo
| | - Miguel R Abboud
- Department of Pediatrics, American University of Beirut, Beirut, Lebanon
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207
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Kunz JB, Cario H, Grosse R, Jarisch A, Lobitz S, Kulozik AE. The epidemiology of sickle cell disease in Germany following recent large-scale immigration. Pediatr Blood Cancer 2017; 64. [PMID: 28383793 DOI: 10.1002/pbc.26550] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 02/06/2017] [Accepted: 02/23/2017] [Indexed: 11/10/2022]
Abstract
BACKGROUND The epidemiology of sickle cell disease (SCD) in Germany is currently changing fundamentally with ongoing immigration. Here, we address the challenges resulting from the increased frequency, that is, the morbidity, and mortality of SCD in this population. PROCEDURE The number of immigrants with SCD was estimated based on the data of the German central registry of migrants (2007-2015) and published epidemiologic data. Additional data analysis was based on nationwide aggregated data from the diagnosis-related groups' (DRG) statistics of the German Federal Statistical Office. RESULTS The total number of patients with SCD among migrants was estimated at 2,016 in 2007 and 3,216 in 2015, thus showing a 60% increase, which was particularly remarkable during 2014 and 2015. The countries of origin included those of West sub-Saharan Africa, followed by Syria, and other countries of the Middle East. In parallel, the number of SCD inpatient treatments increased from 780 in 2002 to 1,340 in 2015. Between 2012 and 2014, 42 patients with SCD died in hospital, mostly at an age of less than 5 years (n = 7) or over 30 years (n = 29). CONCLUSION More than 3,000 patients with SCD are estimated to live among the immigrant population in Germany. In addition, the number of SCD patients of German nationality is not known. The increasing number of inpatient treatments and the death of young children from SCD indicate the need for a general newborn screening program and an increased awareness of this disease among medical practitioners in a country in which SCD used to be rare.
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Affiliation(s)
- Joachim B Kunz
- Department of Pediatric Oncology, Hematology and Immunology, University of Heidelberg, Heidelberg, Germany.,GPOH Konsortium Sichelzellkrankheit, Berlin/Frankfurt/Hamburg/Heidelberg/Ulm, Germany
| | - Holger Cario
- Universitätsklinikum Ulm, Klinik für Kinder- und Jugendmedizin, Pädiatrische Hämatologie und Onkologie, Ulm, Germany.,GPOH Konsortium Sichelzellkrankheit, Berlin/Frankfurt/Hamburg/Heidelberg/Ulm, Germany
| | - Regine Grosse
- Universitätsklinikum Hamburg-Eppendorf, Zentrum für Geburtshilfe, Kinder- und Jugendmedizin, Klinik und Poliklinik für Pädiatrische Hämatologie und Onkologie, Hamburg, Germany.,GPOH Konsortium Sichelzellkrankheit, Berlin/Frankfurt/Hamburg/Heidelberg/Ulm, Germany
| | - Andrea Jarisch
- Klinikum der Johann-Wolfgang-Goethe-Universität, Zentrum für Kinder- und Jugendmedizin, Klinik III, Schwerpunkt Stammzelltransplantation, Frankfurt am Main, Germany.,GPOH Konsortium Sichelzellkrankheit, Berlin/Frankfurt/Hamburg/Heidelberg/Ulm, Germany
| | - Stephan Lobitz
- Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum, Klinik für Pädiatrie m.S. Onkologie/Hämatologie/KMT, Berlin, Germany.,GPOH Konsortium Sichelzellkrankheit, Berlin/Frankfurt/Hamburg/Heidelberg/Ulm, Germany
| | - Andreas E Kulozik
- Department of Pediatric Oncology, Hematology and Immunology, University of Heidelberg, Heidelberg, Germany.,GPOH Konsortium Sichelzellkrankheit, Berlin/Frankfurt/Hamburg/Heidelberg/Ulm, Germany
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208
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Molecular basis of β thalassemia and potential therapeutic targets. Blood Cells Mol Dis 2017; 70:54-65. [PMID: 28651846 DOI: 10.1016/j.bcmd.2017.06.001] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 06/09/2017] [Accepted: 06/09/2017] [Indexed: 12/15/2022]
Abstract
The remarkable phenotypic diversity of β thalassemia that range from severe anemia and transfusion-dependency, to a clinically asymptomatic state exemplifies how a spectrum of disease severity can be generated in single gene disorders. While the genetic basis for β thalassemia, and how severity of the anemia could be modified at different levels of its pathophysiology have been well documented, therapy remains largely supportive with bone marrow transplant being the only cure. Identification of the genetic variants modifying fetal hemoglobin (HbF) production in combination with α globin genotype provide some prediction of disease severity for β thalassemia but generation of a personalized genetic risk score to inform prognosis and guide management requires a larger panel of genetic modifiers yet to be discovered. Nonetheless, genetic studies have been successful in characterizing the key variants and pathways involved in HbF regulation, providing new therapeutic targets for HbF reactivation. BCL11A has been established as a quantitative repressor, and progress has been made in manipulating its expression using genomic and gene-editing approaches for therapeutic benefits. Recent discoveries and understanding in the mechanisms associated with ineffective and abnormal erythropoiesis have also provided additional therapeutic targets, a couple of which are currently being tested in clinical trials.
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209
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Ribeil JA, Blanche S, Cavazzana M. [Gene therapy for sickle cell disease]. Med Sci (Paris) 2017; 33:463-465. [PMID: 28612714 DOI: 10.1051/medsci/20173305002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Jean-Antoine Ribeil
- Département de biothérapie, hôpital Necker-Enfants Malades, Assistance Publique-Hôpitaux de Paris, Paris, France - Centre d'investigation clinique de biothérapie, Groupe hospitalier universitaire Ouest, Assistance Publique-Hôpitaux de Paris, Inserm, Paris, France
| | - Stéphane Blanche
- Département d'imunologie pédiatrique-hématologie, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Marina Cavazzana
- Département de biothérapie, hôpital Necker-Enfants Malades, Assistance Publique-Hôpitaux de Paris, Paris, France - Centre d'investigation clinique de biothérapie, Groupe hospitalier universitaire Ouest, Assistance Publique-Hôpitaux de Paris, Inserm, Paris, France - Département d'imunologie pédiatrique-hématologie, Assistance Publique-Hôpitaux de Paris, Paris, France - Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Paris, France
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210
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Ben Salah N, Bou-Fakhredin R, Mellouli F, Taher AT. Revisiting beta thalassemia intermedia: past, present, and future prospects. ACTA ACUST UNITED AC 2017; 22:607-616. [PMID: 28589785 DOI: 10.1080/10245332.2017.1333246] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND The spectrum of thalassemias is wide ranging from thalassemia minor, which consists of mild hypochromic microcytic anemia without obvious clinical manifestations, to thalassemia major (TM), which is characterized by severe anemia since the first years of life and is transfusion dependent. Thalassemia intermedia (TI) describes those patients with mild or moderate anemia. OBJECTIVE To describe the genetic features and major clinical complications of TI, and the therapeutic approaches available in the management of this disease. METHODS Publications from potentially relevant journals were searched on Medline. RESULTS AND DISCUSSION Over the past decade, the understanding of TI has increased with regard to pathophysiology and molecular studies. It is now clear that clinical presentation and specific complications make TI different from TM. It is associated with greater morbidity, a wider spectrum of organ dysfunction and more complications than previously thought. CONCLUSION TI is not a mild disease. The interplay of three hallmark pathophysiologic factors (ineffective erythropoiesis, chronic anemia, and iron overload) leads to the clinical presentations seen in TI. New treatment modalities are currently being investigated to broaden the options available for TI management.
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Affiliation(s)
- Naouel Ben Salah
- a Faculty of Medicine Tunis , University Tunis El Manar , Tunis, Tunisia
| | - Rayan Bou-Fakhredin
- b Department of Internal Medicine , American University of Beirut Medical Center , Beirut , Lebanon
| | - Fethi Mellouli
- c Faculty of Medicine Tunis, National Center of Bone Marrow Graft , University Tunis El Manar , Tunis , Tunisia
| | - Ali T Taher
- b Department of Internal Medicine , American University of Beirut Medical Center , Beirut , Lebanon
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211
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Motta I, Scaramellini N, Cappellini MD. Investigational drugs in phase I and phase II clinical trials for thalassemia. Expert Opin Investig Drugs 2017; 26:793-802. [PMID: 28540737 DOI: 10.1080/13543784.2017.1335709] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
INTRODUCTION Regular transfusion and iron chelation are the current treatment of severe forms of thalassemia. As a consequence of this demanding supportive treatment, there are several unmet therapeutic needs. Due to a deeper understanding in the pathophysiology of thalassemia, new therapeutic strategies have been developed that are now in pre-clinical and clinical trials. Areas covered: Activin receptor ligand traps (luspatercept and sotatercept), drugs targeting ineffective erythropoiesis, showed encouraging results in Phase I and II clinical trials. A phase III clinical trial is currently ongoing. Ruxolitinib, a Jak2 inhibitor, has been tested to limit stress erythropoiesis in a phase II clinical trial. In addition, improvement in iron chelation has been developed. Moreover, several trials of gene therapy are currently active in different countries with different lentiviral vectors. Expert opinion: The most promising molecules are the activin receptor ligand traps. Together with gene therapy these could be an alternative to bone marrow transplant, aiming towards a curative strategy. The main limit to gene therapy seems to be the conditioning regimen, thus an in vivo gene therapy would be more suitable. At pre-clinical level gene editing is showing extremely encouraging results.
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Affiliation(s)
- Irene Motta
- a Department of Emergency Medicine , Fondazione IRCCS Cà Granda Policlinico , Milan , Italy.,b Department of Clinical Science and Community Health , Università degli Studi di Milano , Milan , Italy
| | - Natalia Scaramellini
- c Department of Medicine , Fondazione IRCCS Cà Granda Policlinico , Milan , Italy
| | - Maria Domenica Cappellini
- b Department of Clinical Science and Community Health , Università degli Studi di Milano , Milan , Italy.,c Department of Medicine , Fondazione IRCCS Cà Granda Policlinico , Milan , Italy
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212
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Rafii H, Bernaudin F, Rouard H, Vanneaux V, Ruggeri A, Cavazzana M, Gauthereau V, Stanislas A, Benkerrou M, De Montalembert M, Ferry C, Girot R, Arnaud C, Kamdem A, Gour J, Touboul C, Cras A, Kuentz M, Rieux C, Volt F, Cappelli B, Maio KT, Paviglianiti A, Kenzey C, Larghero J, Gluckman E. Family cord blood banking for sickle cell disease: a twenty-year experience in two dedicated public cord blood banks. Haematologica 2017; 102:976-983. [PMID: 28302713 PMCID: PMC5451329 DOI: 10.3324/haematol.2016.163055] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2016] [Accepted: 03/10/2017] [Indexed: 11/16/2022] Open
Abstract
Efforts to implement family cord blood banking have been developed in the past decades for siblings requiring stem cell transplantation for conditions such as sickle cell disease. However, public banks are faced with challenging decisions about the units to be stored, discarded, or used for other endeavors. We report here 20 years of experience in family cord blood banking for sickle cell disease in two dedicated public banks. Participants were pregnant women who had a previous child diagnosed with homozygous sickle cell disease. Participation was voluntary and free of charge. All mothers underwent mandatory serological screening. Cord blood units were collected in different hospitals, but processed and stored in two public banks. A total of 338 units were stored for 302 families. Median recipient age was six years (11 months-15 years). Median collected volume and total nucleated cell count were 91 mL (range 23-230) and 8.6×108 (range 0.7-75×108), respectively. Microbial contamination was observed in 3.5% (n=12), positive hepatitis B serology in 25% (n=84), and homozygous sickle cell disease in 11% (n=37) of the collections. Forty-four units were HLA-identical to the intended recipient, and 28 units were released for transplantation either alone (n=23) or in combination with the bone marrow from the same donor (n=5), reflecting a utilization rate of 8%. Engraftment rate was 96% with 100% survival. Family cord blood banking yields good quality units for sibling transplantation. More comprehensive banking based on close collaboration among banks, clinical and transplant teams is recommended to optimize the use of these units.
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Affiliation(s)
- Hanadi Rafii
- Eurocord, Paris-Diderot University EA 3518, Saint-Louis Hospital, Assistance Publique-Hôpitaux de Paris, France
- Monacord, International Observatory for Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
| | - Françoise Bernaudin
- Department of Pediatrics, Referral Center for Sickle Cell Disease, Centre Hospitalier Intercommunal, Paris XII University, Créteil, France
| | - Helene Rouard
- Cell Therapy Facility, EFS Ile de France, Créteil, France
| | - Valérie Vanneaux
- Cell Therapy Facility, Saint-Louis Hospital, Assistance Publique-Hôpitaux de Paris, France
- Biotherapy Clinical Investigation Center, Paris-Diderot University, Sorbonne Paris Cité, INSERM, F-75010, France
| | - Annalisa Ruggeri
- Eurocord, Paris-Diderot University EA 3518, Saint-Louis Hospital, Assistance Publique-Hôpitaux de Paris, France
- Monacord, International Observatory for Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
| | - Marina Cavazzana
- Biotherapy Department, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, France
- Biotherapy Clinical Investigation Center, Groupe Hospitalier Universitaire Ouest, Assistance Publique-Hôpitaux de Paris, INSERM, France
- Paris Descartes-Sorbonne Paris Cité University, Imagine Institute, France
| | - Valerie Gauthereau
- Fédération Parisienne Pour le Dépistage et la Prévention des Handicaps de l'Enfant (FPDPHE), Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, France
| | - Aurélie Stanislas
- Biotherapy Department, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, France
- Biotherapy Clinical Investigation Center, Groupe Hospitalier Universitaire Ouest, Assistance Publique-Hôpitaux de Paris, INSERM, France
| | - Malika Benkerrou
- Department of Pediatrics, Referral Center for Sickle Cell Disease, Robert Debré Hospital, Assistance Publique-Hôpitaux de Paris, France
| | - Mariane De Montalembert
- Department of Pediatrics, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, France
| | - Christele Ferry
- Department of Stem Cell Transplantation, Saint-Louis Hospital, Assistance Publique-Hôpitaux de Paris, France
| | - Robert Girot
- Department of Hemato-Biology, Tenon Hospital, Assistance Publique-Hôpitaux de Paris, France
| | - Cecile Arnaud
- Department of Pediatrics, Referral Center for Sickle Cell Disease, Centre Hospitalier Intercommunal, Paris XII University, Créteil, France
| | - Annie Kamdem
- Department of Pediatrics, Referral Center for Sickle Cell Disease, Centre Hospitalier Intercommunal, Paris XII University, Créteil, France
| | - Joelle Gour
- Department of Gynecology, Centre Hospitalier Intercommunal, Créteil, France
| | - Claudine Touboul
- Department of Gynecology, Centre Hospitalier Intercommunal, Créteil, France
| | - Audrey Cras
- Cell Therapy Facility, Saint-Louis Hospital, Assistance Publique-Hôpitaux de Paris, France
- Biotherapy Clinical Investigation Center, Paris-Diderot University, Sorbonne Paris Cité, INSERM, F-75010, France
| | - Mathieu Kuentz
- Department of Hematology, Groupe Hospitalier Universitaire Henri-Mondor, Créteil, France
| | - Claire Rieux
- Unité d'Hémovigilance, Groupe Hospitalier Universitaire Henri-Mondor, Créteil, France
| | - Fernanda Volt
- Eurocord, Paris-Diderot University EA 3518, Saint-Louis Hospital, Assistance Publique-Hôpitaux de Paris, France
- Monacord, International Observatory for Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
| | - Barbara Cappelli
- Monacord, International Observatory for Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
| | - Karina T Maio
- Eurocord, Paris-Diderot University EA 3518, Saint-Louis Hospital, Assistance Publique-Hôpitaux de Paris, France
- Monacord, International Observatory for Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
| | - Annalisa Paviglianiti
- Eurocord, Paris-Diderot University EA 3518, Saint-Louis Hospital, Assistance Publique-Hôpitaux de Paris, France
- Monacord, International Observatory for Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
| | - Chantal Kenzey
- Eurocord, Paris-Diderot University EA 3518, Saint-Louis Hospital, Assistance Publique-Hôpitaux de Paris, France
- Monacord, International Observatory for Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
| | - Jerome Larghero
- Cell Therapy Facility, Saint-Louis Hospital, Assistance Publique-Hôpitaux de Paris, France
- Biotherapy Clinical Investigation Center, Paris-Diderot University, Sorbonne Paris Cité, INSERM, F-75010, France
| | - Eliane Gluckman
- Eurocord, Paris-Diderot University EA 3518, Saint-Louis Hospital, Assistance Publique-Hôpitaux de Paris, France
- Monacord, International Observatory for Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
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213
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Simões BP, Pieroni F, Costa T, Barros GN, Darrigo G, Grecco CS, Bernardes JE, Moraes D, Stracieri ABL, Cunha R, Rodrigues MC. Allogenic bone narrow transplantation in sickle-cell diseases. Rev Assoc Med Bras (1992) 2017; 62 Suppl 1:16-22. [PMID: 27982320 DOI: 10.1590/1806-9282.62.suppl1.16] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Sickle-cell diseases are the most common inherited hemoglobinopathies worldwide. Improvement in survival has been seen in the last decades with the introduction of careful screening and prevention of complications and the introduction of hydroxyurea. Stem-cell transplantation is currently the only curative option for these patients and has been indicated for patients with neurological events, repeated vaso-occlusive crisis, any organ damage or presence of red blood cell antibodies. Related bone-marrow or cord-blood transplant has shown an overall survival of more than 90% with a disease-free survival of 90% in 1,000 patients transplanted in the last decades. The use of unrelated donors unfortunately has not shown the same good results, but better typing methods and improved support may improve the outcome with this source of stem cells in the future. In Brazil, only recently stem cell transplant from related donors has been included in the procedures performed in the public health system. The use of related bone marrow or cord blood and a myeloablative conditioning regimen are considered standard of care for patients with sickle-cell diseases. Transplants with non-myeloablative regimens, unrelated donors or haploidentical donors should be performed only in controlled clinical trials.
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Affiliation(s)
| | - Fabiano Pieroni
- Transplantation Unit of Hospital das Clínicas, FMRP, USP, Brasil
| | - Thalita Costa
- Transplantation Unit of Hospital das Clínicas, FMRP, USP, Brasil
| | | | | | | | | | - Daniela Moraes
- Transplantation Unit of Hospital das Clínicas, FMRP, USP, Brasil
| | | | - Renato Cunha
- Transplantation Unit of Hospital das Clínicas, FMRP, USP, Brasil
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214
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ATG vs thiotepa with busulfan and cyclophosphamide in matched-related bone marrow transplantation for thalassemia. Blood Adv 2017; 1:792-801. [PMID: 29296723 DOI: 10.1182/bloodadvances.2016004119] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2016] [Accepted: 03/15/2017] [Indexed: 01/19/2023] Open
Abstract
Matched-related bone marrow transplantation (BMT) may cure >80% of low-risk children with severe thalassemia (ST). Very long-term follow-up studies have shown how the standard busulfan-cyclophosphamide (BuCy) regimen may be associated with normalization of health-related quality of life, no second malignancies in the absence of chronic graft-versus-host disease, and fertility preservation in many patients. However, because BuCy may be associated with high rejection rates, some centers incorporate thiotepa (Tt) in busulfan- or treosulfan-based regimens, a combination that may increase the risk of permanent infertility. This study retrospectively compares matched-related BMT outcomes in 2 groups of low-risk ST patients conditioned with either Tt or anti-thymocyte globulin (ATG) in addition to BuCy. A total of 81 consecutive first BMTs were performed in 5 collaborating startup BMT centers in the Indian subcontinent between January 2009 and January 2016; 30 patients were transplanted after conditioning with Tt-BuCy between January 2009 and July 2013, whereas between August 2013 and January 2016, 51 patients received ATG-BuCy. All patients were <15 years and had no hepatomegaly (liver ≤2 cm from costal margin). Actuarial overall survival in the Tt-BuCy and ATG-BuCy groups was 87% and 94% and thalassemia-free survival was 80% and 85% at a median follow-up of 37 and 17 months, respectively, with no significant differences by log-rank statistics. Substituting Tt with ATG in the standard BuCy context seems safe and effective and may decrease transplant-related mortality. Higher fertility rates are expected for patients who received ATG-BuCy.
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215
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Angelucci E, Pilo F, Coates TD. Transplantation in thalassemia: Revisiting the Pesaro risk factors 25 years later. Am J Hematol 2017; 92:411-413. [PMID: 28181283 DOI: 10.1002/ajh.24674] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 02/01/2017] [Accepted: 02/03/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Emanuele Angelucci
- Hematology, IRCCS Azienda Ospedaliera Universitaria, San Martino–IST Istituto Nazionale per la Ricerca sul CancroGenova Italy
| | - Federica Pilo
- Hematology and Transplant Center, Ospedale Oncologico di Riferimento Regionale “Armando Businco”, Azienda Ospedaliera BrotzuCagliari Italy
| | - Thomas D. Coates
- Hematology, Children's Center for Cancer and Blood Diseases, Children's Hospital Los Angeles, University of Southern California Keck School of MedicineLos Angeles California
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216
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The Start-Up of the first Hematopoietic Stem Cell Transplantation Center in the Iraqi Kurdistan: a Capacity-Building Cooperative Project by the Hiwa Cancer Hospital, Sulaymaniyah, and the Italian Agency for Development Cooperation: an Innovative Approach. Mediterr J Hematol Infect Dis 2017; 9:e2017031. [PMID: 28512560 PMCID: PMC5419198 DOI: 10.4084/mjhid.2017.031] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Accepted: 03/20/2017] [Indexed: 11/24/2022] Open
Abstract
We describe the entire process leading to the start-up of a hematopoietic stem cell transplantation center at the Hiwa Cancer Hospital, in the city of Sulaymaniyah, Kurdistan Iraqi Region. This capacity building project was funded by the Italian Development Cooperation Agency and implemented with the support of the volunteer work of Italian professionals, either physicians, nurses, biologists and technicians. The intervention started in April 2016, was based exclusively on training and coaching on site, that represent a significant innovative approach, and led to a first autologous transplant in June 2016 and to the first allogeneic transplant in October. At the time of reporting, 9 months from the initiation of the project, 18 patients have been transplanted, 15 with an autologous and 3 with an allogeneic graft. The center at the HCH represents the first transplantation center in Kurdistan and the second in wide Iraq. We conclude that international development cooperation may play an important role also in the field of high-technology medicine, and contribute to improved local centers capabilities through country to country scientific exchanges. The methodology to realize this project is innovative, since HSCT experts are brought as volunteers to the center(s) to be started, while traditionally it is the opposite, i.e. the local professionals to be trained are brought to the specialized center(s).
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217
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Gluckman E, Cappelli B, Bernaudin F, Labopin M, Volt F, Carreras J, Pinto Simões B, Ferster A, Dupont S, de la Fuente J, Dalle JH, Zecca M, Walters MC, Krishnamurti L, Bhatia M, Leung K, Yanik G, Kurtzberg J, Dhedin N, Kuentz M, Michel G, Apperley J, Lutz P, Neven B, Bertrand Y, Vannier JP, Ayas M, Cavazzana M, Matthes-Martin S, Rocha V, Elayoubi H, Kenzey C, Bader P, Locatelli F, Ruggeri A, Eapen M. Sickle cell disease: an international survey of results of HLA-identical sibling hematopoietic stem cell transplantation. Blood 2017; 129:1548-1556. [PMID: 27965196 PMCID: PMC5356458 DOI: 10.1182/blood-2016-10-745711] [Citation(s) in RCA: 290] [Impact Index Per Article: 41.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Accepted: 12/01/2016] [Indexed: 12/17/2022] Open
Abstract
Despite advances in supportive therapy to prevent complications of sickle cell disease (SCD), access to care is not universal. Hematopoietic cell transplantation is, to date, the only curative therapy for SCD, but its application is limited by availability of a suitable HLA-matched donor and lack of awareness of the benefits of transplant. Included in this study are 1000 recipients of HLA-identical sibling transplants performed between 1986 and 2013 and reported to the European Society for Blood and Marrow Transplantation, Eurocord, and the Center for International Blood and Marrow Transplant Research. The primary endpoint was event-free survival, defined as being alive without graft failure; risk factors were studied using a Cox regression models. The median age at transplantation was 9 years, and the median follow-up was longer than 5 years. Most patients received a myeloablative conditioning regimen (n = 873; 87%); the remainder received reduced-intensity conditioning regimens (n = 125; 13%). Bone marrow was the predominant stem cell source (n = 839; 84%); peripheral blood and cord blood progenitors were used in 73 (7%) and 88 (9%) patients, respectively. The 5-year event-free survival and overall survival were 91.4% (95% confidence interval, 89.6%-93.3%) and 92.9% (95% confidence interval, 91.1%-94.6%), respectively. Event-free survival was lower with increasing age at transplantation (hazard ratio [HR], 1.09; P < .001) and higher for transplantations performed after 2006 (HR, 0.95; P = .013). Twenty-three patients experienced graft failure, and 70 patients (7%) died, with the most common cause of death being infection. The excellent outcome of a cohort transplanted over the course of 3 decades confirms the role of HLA-identical sibling transplantation for children and adults with SCD.
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Affiliation(s)
- Eliane Gluckman
- Eurocord, Paris-Diderot University Equipe d'Accueil 3518, Hospital Saint Louis, Paris, France
- Monacord, International Observatory on Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
| | - Barbara Cappelli
- Monacord, International Observatory on Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
| | - Francoise Bernaudin
- Department of Pediatrics, Referral Center for Sickle Cell Disease, Centre Hospitalier Intercommunal Créteil, Paris XII University, Créteil, France
| | - Myriam Labopin
- European Society for Blood and Marrow Transplantation Statistical Unit, Hospital Saint Antoine, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Fernanda Volt
- Eurocord, Paris-Diderot University Equipe d'Accueil 3518, Hospital Saint Louis, Paris, France
- Monacord, International Observatory on Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
| | - Jeanette Carreras
- Department of Medicine, Center for International Blood and Marrow Transplant Research, Medical College of Wisconsin, Milwaukee, WI
| | | | - Alina Ferster
- Hemato-Oncology Unit, Hospital Universitaire des Enfants Reine Fabiola, Université Libre de Bruxelles, Brussels, Belgium
| | - Sophie Dupont
- Cliniques Universitaires Saint Luc, Hemato-Oncology Unit, Brussels, Belgium
| | - Josu de la Fuente
- Centre for Haematology, Imperial College London, London, United Kingdom
| | - Jean-Hugues Dalle
- Hemato-immunology, Hospital Robert Debré and Paris-Diderot University, Paris, France
| | - Marco Zecca
- Pediatric Hematology-Oncology, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo, Pavia, Italy
| | - Mark C Walters
- University of California San Francisco Benioff Children's Hospital, Oakland, CA
| | | | - Monica Bhatia
- Morgan Stanley Children's Hospital of New York, New York, NY
| | | | | | - Joanne Kurtzberg
- Pediatric Blood and Marrow Transplant Program, Duke University Medical Center, Durham, NC
| | - Nathalie Dhedin
- Adolescent and Young Adults Hematology Department, Hospital Saint-Louis, Paris, France
| | - Mathieu Kuentz
- Department of Pediatrics, Referral Center for Sickle Cell Disease, Centre Hospitalier Intercommunal Créteil, Paris XII University, Créteil, France
| | - Gerard Michel
- Department of Pediatric Hematology and Oncology and Research Unit Equipe d'Accueil 3279, Aix-Marseille University and Timone Children's Hospital Marseille, Marseille, France
| | - Jane Apperley
- Imperial College London, Hammersmith Hospital, London, United Kingdom
| | - Patrick Lutz
- Service D'hémato Oncologie Pédiatrique, Centre Hospitalier Universitaire de Strasbourg, Strasbourg, France
| | - Bénédicte Neven
- Pediatric Hematology-Immunology Department, Hospital Necker-Enfants Malades, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Yves Bertrand
- Department of Pediatric Hematology and Oncology, University Hospital of Lyon, Lyon, France
| | - Jean Pierre Vannier
- Equipe d'Accueil 3829, Institut de Recherche et d'Innovation Biomédicale, Faculté de Médecine-Pharmacie, Rouen, France
| | - Mouhab Ayas
- Paediatric Haematology/Oncology, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
| | - Marina Cavazzana
- Biotherapy Department, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
- Biotherapy Clinical Investigation Center, Groupe Hospitalier Universitaire Ouest, Assistance Publique-Hôpitaux de Paris, INSERM, Paris, France
- Paris Descartes-Sorbonne Paris Cité University, Imagine Institute, Paris, France
| | | | - Vanderson Rocha
- Eurocord, Paris-Diderot University Equipe d'Accueil 3518, Hospital Saint Louis, Paris, France
- Hospital Sirio-Libanes, and Serviço de Hematologia, Hemoterapia e Terapia Celular, São Paulo University, São Paulo, Brazil
- Churchill Hospital, Oxford, United Kingdom
| | - Hanadi Elayoubi
- Eurocord, Paris-Diderot University Equipe d'Accueil 3518, Hospital Saint Louis, Paris, France
- Monacord, International Observatory on Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
| | - Chantal Kenzey
- Eurocord, Paris-Diderot University Equipe d'Accueil 3518, Hospital Saint Louis, Paris, France
- Monacord, International Observatory on Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
| | - Peter Bader
- Department for Stem Cell Transplantation and Immunology, Clinic for Children and Adolescents, University Hospital Frankfurt, Goethe University, Frankfurt, Germany
| | - Franco Locatelli
- Dipartimento di Oncoematologia Pediatrica, Istituto di Ricovero e Cura a Carattere Scientifico, Ospedale Bambino Gesù, Rome, Italy
- Dipartimento di Scienze Pediatriche, Università di Pavia, Pavia, Italy; and
| | - Annalisa Ruggeri
- Eurocord, Paris-Diderot University Equipe d'Accueil 3518, Hospital Saint Louis, Paris, France
- Monacord, International Observatory on Sickle Cell Disease, Centre Scientifique de Monaco, Monaco
- Department of Hematology and Cell Therapy, Hospital Saint Antoine, Paris, France
| | - Mary Eapen
- Department of Medicine, Center for International Blood and Marrow Transplant Research, Medical College of Wisconsin, Milwaukee, WI
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218
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The penny has dropped for sickle cell disease. Blood 2017; 129:1412-1413. [PMID: 28302691 DOI: 10.1182/blood-2016-12-758722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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219
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Treosulfan-Based Conditioning Regimen in Sibling and Alternative Donor Hematopoietic Stem Cell Transplantation for Children with Sickle Cell Disease. Mediterr J Hematol Infect Dis 2017; 9:e2017014. [PMID: 28293402 PMCID: PMC5333731 DOI: 10.4084/mjhid.2017.014] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Accepted: 01/12/2017] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Lack of suitable donors and regimen related toxicity are major barriers for hematopoietic stem cell transplantation (HSCT) in patients with sickle cell disease (SCD). The aim of the study is the assessment of efficacy and toxicity of Treosulfan-based conditioning regimen for SCD also when alternative donors such as mismatched unrelated donor and haploidentical donor are employed. METHODS We report our single-center experience: 11 patients with SCD received HSCT with a Treosulfan/Thiotepa/Fludarabine/Anti-thymoglobulin conditioning regimen between 2010 and 2015. The donor was a matched sibling donor (n= 7), a haploidentical parent (n= 2), a matched unrelated donor (n= 1) or a mismatched unrelated donor (n=1). The haploidentical and mismatched unrelated donor grafts were manipulated by removing TCRαβ and CD19 positive cells. RESULTS All patients survived the procedure and achieved stable engraftment. Stable mixed chimerism was observed in 5/11 patients. Grade III-IV regimen related toxicity was limited to mucositis and no grade III-IV graft-versus-host disease (GvHD) occurred. No SCD manifestation was observed post transplant and cerebral vasculopathy improved in 3/5 evaluable patients. Organ function evaluation showed no pulmonary, cardiac or renal toxicity but gonadal failure occurred in 1/4 evaluable patients. CONCLUSION Our data suggest that Treosulfan is associated with low toxicity and may be employed also for unrelated and haploidentical donor HSCT.
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220
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Enhanced Long-Term Brain Magnetic Resonance Imaging Evaluation of Children with Sickle Cell Disease after Hematopoietic Cell Transplantation. Biol Blood Marrow Transplant 2017; 23:670-676. [PMID: 28089760 DOI: 10.1016/j.bbmt.2017.01.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 01/03/2017] [Indexed: 11/23/2022]
Abstract
Progressive neurovasculopathy in children with sickle cell disease (SCD) results in decreased cognitive function and quality of life (QoL). Hematopoietic cell transplantation (HCT) is believed to halt progression of neurovasculopathy. Quantitative analysis of T2-weighted fluid attenuated inversion recovery (FLAIR) magnetic resonance imaging (MRI) for white matter hyperintensity (WMH) burden provides a meaningful estimate of small vessel cerebrovascular disease. We asked if quantitative analysis of WMH could complement standardized clinical assessment of MRI/magnetic resonance angiography (MRA) for assessing SCD central nervous system vasculopathy before and after HCT. Retrospective longitudinal clinical examination of scheduled annual MRI/MRA and quantitative analysis of WMH were performed before and 1 to 7 years after HCT at scheduled annual intervals, along with QoL measurements, in children who had engrafted after HCT. Of 18 patients alive and persistently engrafted (median age, 9.1 years), pretransplantation MRI demonstrated that 9 and 5 had sickle-related stroke and/or small infarcts, respectively. Patients were divided into WMH severity tertiles based on pretransplantation WMH volumes. MRI and WMH were assessed 1 to 7 years after HCT. MRI/MRA and WMH volume were stable or slightly better in 17 of 18 patients. By parent- and self-report, post-HCT QoL improved for children in the lowest WMH tertile significantly more than in the other groups. Based on this single-institution retrospective sample, we report that WMH appears to quantitatively support MRI-based findings that HCT stabilizes long-term small and large vessel cerebrovascular changes and is associated with the degree of improved QoL. While confirmation in larger prospective studies and evaluation by neurocognitive testing are needed, these findings suggest that WMH is a useful biomarker of neurovasculopathy after transplantation for SCD.
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221
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Shenoy S, Angelucci E, Arnold SD, Baker KS, Bhatia M, Bresters D, Dietz AC, De La Fuente J, Duncan C, Gaziev J, King AA, Pulsipher MA, Smith AR, Walters MC. Current Results and Future Research Priorities in Late Effects after Hematopoietic Stem Cell Transplantation for Children with Sickle Cell Disease and Thalassemia: A Consensus Statement from the Second Pediatric Blood and Marrow Transplant Consortium International Conference on Late Effects after Pediatric Hematopoietic Stem Cell Transplantation. Biol Blood Marrow Transplant 2017; 23:552-561. [PMID: 28065838 DOI: 10.1016/j.bbmt.2017.01.009] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 01/04/2017] [Indexed: 12/17/2022]
Abstract
Sustained donor engraftment after allogeneic hematopoietic cell transplantation (HCT) converts to healthy donor hemoglobin synthesis and halts disease symptoms in patients with sickle cell disease and thalassemia major. A disease-free survival probability that exceeds 90% has been reported when HCT using an HLA-matched sibling donor is performed in young patients with low-risk disease or treatment-related risk factors. Alternate donor HCT and HCT in adults is performed infrequently because of a higher risk profile. Transplant-specific risks include conditioning regimen-related toxicity, graft-versus-host disease, graft rejection with marrow aplasia or disease recurrence, and infections associated with immunosuppression and delayed immune reconstitution. The magnitude of risk depends on patient age, clinical status of the underlying disease (eg, organ injury from vasculopathy and iron overload), donor source, and intensity of the conditioning regimen. These risks are commonly monitored and reported in the short term. Documenting very late outcomes is important, but these data are rarely reported because of challenges imposed by patient drop-out and insufficient resources. This report summarizes long-term follow-up results after HCT for hemoglobin disorders, identifies gaps in knowledge, and discusses opportunities for future investigations. This consensus summary will be followed by a second article detailing comprehensive long-term follow-up recommendations to aid in maintaining health in these individuals and identifying late complication risks that could facilitate interventions to improve outcomes.
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Affiliation(s)
- Shalini Shenoy
- Department of Pediatrics, Washington University School of Medicine and St. Louis Children's Hospital, St. Louis, Missouri.
| | - Emanuele Angelucci
- Department of Hematology, Ospedale Oncologico di Riferimento Regionale "Armando Businco", Cagliari, Italy; Department of Hematology, IRCCS Azienda Ospedaliera Universitaria San Martino-IST Istituto Nazionale per la Ricerca sul Cancro, Genova, Italy
| | - Staci D Arnold
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia
| | - K Scott Baker
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Monica Bhatia
- Department of Pediatrics, Columbia University Medical Center, New York, New York
| | - Dorine Bresters
- Willem-Alexander Children's Hospital, LUMC, Leiden, The Netherlands
| | - Andrew C Dietz
- Division of Hematology, Oncology, and BMT, Children's Hospital Los Angeles, Los Angeles, California
| | - Josu De La Fuente
- Department of Pediatrics, Imperial College Healthcare, London, United Kingdom
| | - Christine Duncan
- Department of Pediatrics, Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, Massachusetts
| | - Javid Gaziev
- International Center for Transplantation in Thalassemia and Sickle Cell Anemia, Mediterranean Institute of Hematology, Policlinico Tor Vergata, Rome, Italy
| | - Allison A King
- Department of Pediatrics, Washington University School of Medicine and St. Louis Children's Hospital, St. Louis, Missouri; Program in Occupational Therapy, Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Michael A Pulsipher
- Division of Hematology, Oncology, and BMT, Children's Hospital Los Angeles, Los Angeles, California
| | - Angela R Smith
- Department of Pediatrics, University of Minnesota Children's Hospital, Minneapolis, Minnesota
| | - Mark C Walters
- Department of Pediatrics, UCSF Benioff Children's Hospital, Oakland, California
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222
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Pharmacokinetics, Pharmacodynamics, and Pharmacogenomics of Immunosuppressants in Allogeneic Hematopoietic Cell Transplantation: Part II. Clin Pharmacokinet 2016; 55:551-93. [PMID: 26620047 DOI: 10.1007/s40262-015-0340-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Part I of this article included a pertinent review of allogeneic hematopoietic cell transplantation (alloHCT), the role of postgraft immunosuppression in alloHCT, and the pharmacokinetics, pharmacodynamics, and pharmacogenomics of the calcineurin inhibitors and methotrexate. In this article (Part II), we review the pharmacokinetics, pharmacodynamics, and pharmacogenomics of mycophenolic acid (MPA), sirolimus, and the antithymocyte globulins (ATG). We then discuss target concentration intervention (TCI) of these postgraft immunosuppressants in alloHCT patients, with a focus on current evidence for TCI and on how TCI may improve clinical management in these patients. Currently, TCI using trough concentrations is conducted for sirolimus in alloHCT patients. Several studies demonstrate that MPA plasma exposure is associated with clinical outcomes, with an increasing number of alloHCT patients needing TCI of MPA. Compared with MPA, there are fewer pharmacokinetic/dynamic studies of rabbit ATG and horse ATG in alloHCT patients. Future pharmacokinetic/dynamic research of postgraft immunosuppressants should include '-omics'-based tools: pharmacogenomics may be used to gain an improved understanding of the covariates influencing pharmacokinetics as well as proteomics and metabolomics as novel methods to elucidate pharmacodynamic responses.
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223
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Crazzolara R, Kropshofer G, Haas OA, Matthes-Martin S, Kager L. Reduced-intensity conditioning and stem cell transplantation in infants with Diamond Blackfan anemia. Haematologica 2016; 102:e73-e75. [PMID: 27927765 DOI: 10.3324/haematol.2016.157149] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Affiliation(s)
- Roman Crazzolara
- Department of Pediatrics, Medical University Innsbruck, Austria .,Tyrolean Cancer Research Institute, Innsbruck, Austria
| | | | - Oskar A Haas
- St. Anna Children's Hospital, Department of Pediatrics, Medical University Vienna, Austria.,Children's Cancer Research Institute, Austria
| | - Susanne Matthes-Martin
- St. Anna Children's Hospital, Department of Pediatrics, Medical University Vienna, Austria
| | - Leo Kager
- St. Anna Children's Hospital, Department of Pediatrics, Medical University Vienna, Austria.,Children's Cancer Research Institute, Austria
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224
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Srivastava A, Shaji RV. Cure for thalassemia major - from allogeneic hematopoietic stem cell transplantation to gene therapy. Haematologica 2016; 102:214-223. [PMID: 27909215 DOI: 10.3324/haematol.2015.141200] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Accepted: 10/12/2016] [Indexed: 12/12/2022] Open
Abstract
Allogeneic hematopoietic stem cell transplantation has been well established for several decades as gene replacement therapy for patients with thalassemia major, and now offers very high rates of cure for patients who have access to this therapy. Outcomes have improved tremendously over the last decade, even in high-risk patients. The limited data available suggests that the long-term outcome is also excellent, with a >90% survival rate, but for the best results, hematopoietic stem cell transplantation should be offered early, before any end organ damage occurs. However, access to this therapy is limited in more than half the patients by the lack of suitable donors. Inadequate hematopoietic stem cell transplantation services and the high cost of therapy are other reasons for this limited access, particularly in those parts of the world which have a high prevalence of this condition. As a result, fewer than 10% of eligible patients are actually able to avail of this therapy. Other options for curative therapies are therefore needed. Recently, gene correction of autologous hematopoietic stem cells has been successfully established using lentiviral vectors, and several clinical trials have been initiated. A gene editing approach to correct the β-globin mutation or disrupt the BCL11A gene to increase fetal hemoglobin production has also been reported, and is expected to be introduced in clinical trials soon. Curative possibilities for the major hemoglobin disorders are expanding. Providing access to these therapies around the world will remain a challenge.
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Affiliation(s)
- Alok Srivastava
- Department of Haematology & Centre for Stem Cell Research (a unit of inStem, Bengaluru), Christian Medical College, Vellore- 632004, Tamil Nadu, India
| | - Ramachandran V Shaji
- Department of Haematology & Centre for Stem Cell Research (a unit of inStem, Bengaluru), Christian Medical College, Vellore- 632004, Tamil Nadu, India
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225
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Santarone S, Natale A, Olioso P, Onofrillo D, D’Incecco C, Parruti G, Di Bartolomeo P. Pregnancy outcome following hematopoietic cell transplantation for thalassemia major. Bone Marrow Transplant 2016; 52:388-393. [DOI: 10.1038/bmt.2016.287] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 09/01/2016] [Accepted: 09/14/2016] [Indexed: 12/23/2022]
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226
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Makis A, Hatzimichael E, Papassotiriou I, Voskaridou E. 2017 Clinical trials update in new treatments of β-thalassemia. Am J Hematol 2016; 91:1135-1145. [PMID: 27502996 DOI: 10.1002/ajh.24530] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 07/28/2016] [Accepted: 08/05/2016] [Indexed: 01/01/2023]
Abstract
The underlying basis of β-thalassemia pathology is the diminished β-globin synthesis leading to α-globin accumulation and premature apoptotic destruction of erythroblasts, causing oxidative stress-induced ineffective erythropoiesis, bone marrow hyperplasia, splenomegaly, and increased intestinal iron absorption with progressive iron overload. Better understanding of the molecular mechanisms underlying this disease led to the recognition of new targets with potential therapeutic utility. Agents such as JAK2 inhibitors and TGF-β ligand traps that reduce the ineffective erythropoiesis process are already being tested in clinical trials with promising results. Other agents that aim to reduce oxidative stress (activators of Foxo3, HRI-eIF2aP, Prx2, Hsp70, and PK anti-oxidant systems and inhibitors of HO-1) and to decrease iron overload (hepcidin agonists, erythroferrone inhibitors and exogenous transferrin) are also under experimental investigation. Significant progress has also been made in the area of allogeneic hematopoietic stem cell transplantation with several ongoing clinical trials examining new condition regimens as well as different donor selection and stem cell source options. Gene therapy has reached a critical point and phase 1 clinical trials have recently been launched to examine the effectiveness and especially long term safety. Epigenetic manipulation and genomic editing of the γ- or β-globin gene are novel and promising experimental gene therapy approaches for β-thalassemia giving hope for cure for this chronic disease. This review outlines the key points of the molecular mechanisms underlying β-thalassemia in relation to the development of new therapies and an update is given both at the pre-clinical and clinical level. Am. J. Hematol. 91:1135-1145, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Alexandros Makis
- Child Health Department, Faculty of Medicine; University of Ioannina; Ioannina Greece
| | | | - Ioannis Papassotiriou
- Department of Clinical Biochemistry; “Aghia Sophia” Children's Hospital; Athens Greece
| | - Ersi Voskaridou
- Department of Clinical Biochemistry; “Aghia Sophia” Children's Hospital; Athens Greece
- “Laikon” General Hospital; Thalassemia Center; Athens Greece
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227
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Matched sibling donor hematopoietic stem cell transplantation for thalassemia. Curr Opin Hematol 2016; 23:508-514. [DOI: 10.1097/moh.0000000000000286] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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228
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Kropshofer G, Sopper S, Steurer M, Schwinger W, Crazzolara R. Successful management of mixed chimerism after bone marrow transplant in beta-thalassemia major. Am J Hematol 2016; 91:E357-8. [PMID: 27239048 DOI: 10.1002/ajh.24436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Revised: 05/22/2016] [Accepted: 05/24/2016] [Indexed: 11/08/2022]
Affiliation(s)
| | - Sieghart Sopper
- Tyrolean Cancer Research Institute; Innsbruck Austria
- Department of Internal Medicine V (Hematology & Oncology); Medical University Innsbruck; Innsbruck Austria
| | - Michael Steurer
- Department of Internal Medicine V (Hematology & Oncology); Medical University Innsbruck; Innsbruck Austria
| | | | - Roman Crazzolara
- Department of Pediatrics; Medical University Innsbruck; Innsbruck Austria
- Tyrolean Cancer Research Institute; Innsbruck Austria
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229
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Svenberg P, Remberger M, Uzunel M, Mattsson J, Gustafsson B, Fjaertoft G, Sundin M, Winiarski J, Ringdén O. Improved overall survival for pediatric patients undergoing allogeneic hematopoietic stem cell transplantation - A comparison of the last two decades. Pediatr Transplant 2016; 20:667-74. [PMID: 27251184 DOI: 10.1111/petr.12723] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/26/2016] [Indexed: 01/06/2023]
Abstract
Pediatric protocols for allogeneic hematopoietic SCT have been altered during the last two decades. To compare the outcomes in children (<18 yr old), who underwent SCT at our center during 1992-2002 (P1) and 2003-2013 (P2). We retrospectively analyzed 188 patients in P1 and 201 patients in P2. The most significant protocol changes during P2 compared with P1 were a decrease in MAC protocols, particularly those containing TBI, an increase in RIC protocols, and altered GvHD prophylaxis. In addition, P2 had more patients with nonmalignant diagnoses (p = 0.002), more mismatched (MM) donors (p = 0.01), and more umbilical CB grafts (p = 0.03). Mesenchymal or DSCs were used for severe acute GvHD during P2. Three-yr OS in P1 was 58%, and in P2, it was 78% (p < 0.001). Improved OS was seen in both malignant disorders (51% vs. 68%; p = 0.05) and nonmalignant disorders (77% vs. 87%; p = 0.04). Multivariate analysis showed that SCT during P2 was associated with reduced mortality (HR = 0.57; p = 0.005), reduced TRM (HR = 0.57; p = 0.03), unchanged relapse rate, similar rate of GF, less chronic GvHD (HR = 0.49; p = 0.01), and more acute GvHD (HR = 1.77, p = 0.007). During recent years, OS has improved at our center, possibly reflecting the introduction of less toxic conditioning regimens and a number of other methodological developments in SCT.
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Affiliation(s)
- Petter Svenberg
- Oncology/Coagulation Section, Karolinska University Hospital, Stockholm, Sweden
| | - Mats Remberger
- Department of Oncology/Pathology, Karolinska Institute, Stockholm, Sweden.,Centre for Allogeneic Stem Cell Transplantation, Karolinska University Hospital, Stockholm, Sweden
| | - Mehmet Uzunel
- Division of Clinical Immunology and Transfusion Medicine, Department of Laboratory Medicine, Karolinska Institute, Stockholm, Sweden
| | - Jonas Mattsson
- Department of Oncology/Pathology, Karolinska Institute, Stockholm, Sweden.,Centre for Allogeneic Stem Cell Transplantation, Karolinska University Hospital, Stockholm, Sweden
| | - Britt Gustafsson
- Centre for Allogeneic Stem Cell Transplantation, Karolinska University Hospital, Stockholm, Sweden.,Division of Pediatrics, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institute, Stockholm, Sweden
| | - Gustav Fjaertoft
- Centre for Allogeneic Stem Cell Transplantation, Karolinska University Hospital, Stockholm, Sweden
| | - Mikael Sundin
- Division of Pediatrics, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institute, Stockholm, Sweden.,Hematology/Immunology Section, Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden
| | - Jacek Winiarski
- Division of Pediatrics, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institute, Stockholm, Sweden.,Hematology/Immunology Section, Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden
| | - Olle Ringdén
- Division of Clinical Immunology and Transfusion Medicine, Department of Laboratory Medicine, Karolinska Institute, Stockholm, Sweden
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230
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Treating hemoglobinopathies using gene-correction approaches: promises and challenges. Hum Genet 2016; 135:993-1010. [PMID: 27314256 DOI: 10.1007/s00439-016-1696-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Accepted: 06/06/2016] [Indexed: 12/18/2022]
Abstract
Hemoglobinopathies are genetic disorders caused by aberrant hemoglobin expression or structure changes, resulting in severe mortality and health disparities worldwide. Sickle cell disease (SCD) and β-thalassemia, the most common forms of hemoglobinopathies, are typically treated using transfusions and pharmacological agents. Allogeneic hematopoietic stem cell transplantation is the only curative therapy, but has limited clinical applicability. Although gene therapy approaches have been proposed based on the insertion and forced expression of wild-type or anti-sickling β-globin variants, safety concerns may impede their clinical application. A novel curative approach is nuclease-based gene correction, which involves the application of precision genome-editing tools to correct the disease-causing mutation. This review describes the development and potential application of gene therapy and precision genome-editing approaches for treating SCD and β-thalassemia. The opportunities and challenges in advancing a curative therapy for hemoglobinopathies are also discussed.
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231
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Arnold SD, Bhatia M, Horan J, Krishnamurti L. Haematopoietic stem cell transplantation for sickle cell disease - current practice and new approaches. Br J Haematol 2016; 174:515-25. [PMID: 27255787 DOI: 10.1111/bjh.14167] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Sickle cell disease is an inherited disorder that affects over 5 million people worldwide. Current maintenance therapy has been successful in reducing complications and enhancing life expectancy; yet subclinical complications persist. To date, allogeneic haematopoietic stem cell transplant (HSCT) remains the only available curative therapy for sickle cell disease. With declining incidences of rejection and transplant- related mortality, disease-free survival after human leucocyte antigen-identical sibling transplant exceeds 90%. However, the majority of individuals with sickle cell disease do not have an human leucocyte antigen (HLA)-identical sibling; therefore, research is expanding to focus on new approaches to alternative donor transplant. Advances in supportive care and conditioning regimens have led to expansion of the pool of donors to unrelated donors and haploidentical donors. Challenges remain in improving the safety and efficacy of HSCT from alternate donors. Early results from gene therapy may provide another curative option in patients with sickle cell disease. These approaches show early promise, but larger, longitudinal studies are needed to better determine the optimal clinical circumstances for transplant in sickle cell disease.
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Affiliation(s)
- Staci D Arnold
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta and Emory University School of Medicine, Department of Pediatrics, Atlanta, GA, USA
| | - Monica Bhatia
- Department of Pediatrics, Columbia University Medical Center, New York, NY, USA
| | - John Horan
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta and Emory University School of Medicine, Department of Pediatrics, Atlanta, GA, USA
| | - Lakshmanan Krishnamurti
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta and Emory University School of Medicine, Department of Pediatrics, Atlanta, GA, USA
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232
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Renella R. Clinically-oriented proteomic investigation of sickle cell disease: Opportunities and challenges. Proteomics Clin Appl 2016; 10:816-30. [DOI: 10.1002/prca.201500133] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 04/05/2016] [Accepted: 05/02/2016] [Indexed: 12/29/2022]
Affiliation(s)
- Raffaele Renella
- Department of Pediatrics; Centre Hospitalier Universitaire Vaudois; Lausanne Switzerland
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233
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Angelucci E, Pilo F. Management of iron overload before, during, and after hematopoietic stem cell transplantation for thalassemia major. Ann N Y Acad Sci 2016; 1368:115-21. [PMID: 26999450 DOI: 10.1111/nyas.13027] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Revised: 01/20/2016] [Accepted: 01/22/2016] [Indexed: 12/21/2022]
Abstract
Solid evidence has established the negative impact of high iron burden and related tissue damage on the outcome of hemopoietic stem cell transplantation for thalassemia major. Recent improvements in our knowledge of iron metabolism have been focused on elevated non-transferrin-bound iron and labile plasma iron levels in the peritransplantation period as potential contributors to tissue toxicity and subsequent adverse transplant outcome. As mouse models have shown, iron overload can injure bone marrow hematopoiesis by increasing reactive oxygen species. The Pesaro experience, conducted in the deferoxamine-only era, clearly defined three iron-related factors (liver fibrosis, hepatomegaly, and quality of lifelong chelation) as significantly affecting transplant outcome. The detrimental effect of iron has only been clarified in recent years. Active interventional strategies are ongoing. Although successful hematopoietic stem cell transplantation clinically resolves the thalassemia marrow defect, patients still remain carriers of iron overload and of all the clinical complications acquired during prior years of transfusion therapy. Therefore, adequate "iron diagnosis" and management is mandatory after hemopoietic stem cell transplantation. In transplanted thalassemia patients, body iron should be returned to within the normal range. Phlebotomy is the gold standard to reduce iron burden; though deferoxamine is a proven, acceptable alternative, clinical investigations on deferasirox are ongoing.
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Affiliation(s)
- Emanuele Angelucci
- Unità Operativa Ematologia e Centro Trapianti, Ospedale Oncologico di Riferimento Regionale "Armando Businco,", Azienda Ospedaliera di Rilievo Nazionale "Brotzu,", Cagliari, Italy
| | - Federica Pilo
- Unità Operativa Ematologia e Centro Trapianti, Ospedale Oncologico di Riferimento Regionale "Armando Businco,", Azienda Ospedaliera di Rilievo Nazionale "Brotzu,", Cagliari, Italy
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234
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Finotti A, Borgatti M, Bianchi N, Zuccato C, Lampronti I, Gambari R. Orphan Drugs and Potential Novel Approaches for Therapies of β-Thalassemia: Current Status and Future Expectations. Expert Opin Orphan Drugs 2016. [DOI: 10.1517/21678707.2016.1135793] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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235
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Hematopoietic stem cell transplantation for homozygous β-thalassemia and β-thalassemia/hemoglobin E patients from haploidentical donors. Bone Marrow Transplant 2016; 51:813-8. [PMID: 26878659 DOI: 10.1038/bmt.2016.7] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Revised: 12/21/2015] [Accepted: 12/22/2015] [Indexed: 01/26/2023]
Abstract
Thalassemia-free survival after allogeneic stem cell transplantation (SCT) is about 80-90% with either matched-related or -unrelated donors. We explored the use of a mismatched-related ('haplo- ') donor. All patients received two courses of pretransplant immunosuppressive therapy (PTIS) with fludarabine (Flu) and dexamethasone (Dxm). After two courses of PTIS, a conditioning regimen of rabbit antithymocyte globulin, Flu and IV busulfan (Bu) was given followed by T-cell-replete peripheral blood progenitor cells. GvHD prophylaxis consisted of cyclophosphamide (Cy) on days SCT +3 and +4 (post-Cy), and on day SCT +5 tacrolimus or sirolimus was started together with a short course of mycophenolate mofetil. Thirty-one patients underwent haplo-SCT. Their median age was 10 years (range, 2-20 years). Twenty-nine patients engrafted with 100% donor chimerism. Two patients suffered primary graft failure. Median time to neutrophil engraftment was 14 days (range, 11-18 days). Five patients developed mild to moderate, reversible veno-occlusive disease, while nine patients developed acute GvHD grade II. Only five patients developed limited-chronic GvHD. Projected overall and event-free survival rates at 2 years are 95% and 94%, respectively. The median follow up time is 12 months (range, 7-33 months).
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236
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Walters MC, De Castro LM, Sullivan KM, Krishnamurti L, Kamani N, Bredeson C, Neuberg D, Hassell KL, Farnia S, Campbell A, Petersdorf E. Indications and Results of HLA-Identical Sibling Hematopoietic Cell Transplantation for Sickle Cell Disease. Biol Blood Marrow Transplant 2016; 22:207-211. [PMID: 26500093 PMCID: PMC5031360 DOI: 10.1016/j.bbmt.2015.10.017] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Accepted: 10/16/2015] [Indexed: 01/26/2023]
Abstract
Although a number of published trials exist of HLA-identical sibling hematopoietic cell transplantation (HCT) for sickle cell disease (SCD) that span 2 decades, when and for whom this therapy should be pursued is a subject of debate. Assessments of the risks of transplant-related complications that include infertility and debilitating graft-versus-host disease and long-term quality of life after successful HCT are difficult to perform without prospective trials in transplant and nontransplant cohorts. However, it is possible to assess the risk of mortality and to compare published rates of survival in individuals with SCD treated and not treated by HCT. In this brief review, projections about mortality risk based on recent published reports are reviewed and summarized. The published data show overall survival and event-free survival rates of 95% and 92%, respectively, in children treated by HLA-identical sibling HCT. The overall survival rates in the Center for International Blood and Marrow Transplant Research (N = 412) and European Blood and Marrow Transplant (N = 487) registries were 91% and 95%, respectively. These results provide broad support for the therapeutic value of HLA-identical sibling HCT for children with SCD and serve as the basis for a strong recommendation in favor of the option of HCT when a suitable donor is available. The experience of HLA-identical sibling HCT in adults with SCD is limited but appears to be similar to results in children. These preliminary observations, however, warrant further investigation.
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Affiliation(s)
- Mark C Walters
- Blood and Marrow Transplant Program, University of California (San Francisco) Benioff Children's Hospital, Oakland, California.
| | - Laura M De Castro
- Division of Hematology and Oncology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Keith M Sullivan
- Blood and Marrow Transplant Program, Duke University Medical Center, Durham, North Carolina
| | - Lakshmanan Krishnamurti
- Aflac Cancer and Blood Disorders Center, Department of Pediatrics, Emory University, Atlanta, Georgia
| | - Naynesh Kamani
- Center for Cellular Therapies and Research, AABB, Bethesda, Maryland
| | - Christopher Bredeson
- Blood and Marrow Transplant Program, Ottawa Hospital Research Institute at University of Ottawa, Ottawa, Ontario, Canada
| | - Donna Neuberg
- Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | | | | | - Andrew Campbell
- Division of Pediatric Hematology/Oncology, University of Michigan, School of Medicine, Department of Pediatrics, Blood and Marrow Transplant Program, Ann Arbor, Michigan
| | - Effie Petersdorf
- Fred Hutchinson Cancer Research Center and the University of Washington School of Medicine, Seattle, Washington
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237
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de Dreuzy E, Bhukhai K, Leboulch P, Payen E. Current and future alternative therapies for beta-thalassemia major. Biomed J 2016; 39:24-38. [PMID: 27105596 PMCID: PMC6138429 DOI: 10.1016/j.bj.2015.10.001] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Accepted: 10/12/2015] [Indexed: 11/15/2022] Open
Abstract
Beta-thalassemia is a group of frequent genetic disorders resulting in the synthesis of little or no β-globin chains. Novel approaches are being developed to correct the resulting α/β-globin chain imbalance, in an effort to move beyond the palliative management of this disease and the complications of its treatment (e.g. life-long red blood cell transfusion, iron chelation, splenectomy), which impose high costs on healthcare systems. Three approaches are envisaged: fetal globin gene reactivation by pharmacological compounds injected into patients throughout their lives, allogeneic hematopoietic stem cell transplantation (HSCT), and gene therapy. HSCT is currently the only treatment shown to provide an effective, definitive cure for β-thalassemia. However, this procedure remains risky and histocompatible donors are identified for only a small fraction of patients. New pharmacological compounds are being tested, but none has yet made it into common clinical practice for the treatment of beta-thalassemia major. Gene therapy is in the experimental phase. It is emerging as a powerful approach without the immunological complications of HSCT, but with other possible drawbacks. Rapid progress is being made in this field, and long-term efficacy and safety studies are underway.
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Affiliation(s)
- Edouard de Dreuzy
- CEA, Institute of Emerging Diseases and Innovative Therapies, Fontenay aux Roses, France; University of Paris 11, CEA-iMETI, 92260 Fontenay aux Roses, France
| | - Kanit Bhukhai
- CEA, Institute of Emerging Diseases and Innovative Therapies, Fontenay aux Roses, France; University of Paris 11, CEA-iMETI, 92260 Fontenay aux Roses, France
| | - Philippe Leboulch
- CEA, Institute of Emerging Diseases and Innovative Therapies, Fontenay aux Roses, France; University of Paris 11, CEA-iMETI, 92260 Fontenay aux Roses, France; Department of Medicine, Harvard Medical School and Genetics Division, Brigham and Women's Hospital, Boston MA, USA; Mahidol University and Ramathibodi Hospital, Bangkok, Thailand
| | - Emmanuel Payen
- CEA, Institute of Emerging Diseases and Innovative Therapies, Fontenay aux Roses, France; University of Paris 11, CEA-iMETI, 92260 Fontenay aux Roses, France; INSERM, Paris, France.
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238
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Engert A, Balduini C, Brand A, Coiffier B, Cordonnier C, Döhner H, de Wit TD, Eichinger S, Fibbe W, Green T, de Haas F, Iolascon A, Jaffredo T, Rodeghiero F, Salles G, Schuringa JJ. The European Hematology Association Roadmap for European Hematology Research: a consensus document. Haematologica 2016; 101:115-208. [PMID: 26819058 PMCID: PMC4938336 DOI: 10.3324/haematol.2015.136739] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 01/27/2016] [Indexed: 01/28/2023] Open
Abstract
The European Hematology Association (EHA) Roadmap for European Hematology Research highlights major achievements in diagnosis and treatment of blood disorders and identifies the greatest unmet clinical and scientific needs in those areas to enable better funded, more focused European hematology research. Initiated by the EHA, around 300 experts contributed to the consensus document, which will help European policy makers, research funders, research organizations, researchers, and patient groups make better informed decisions on hematology research. It also aims to raise public awareness of the burden of blood disorders on European society, which purely in economic terms is estimated at €23 billion per year, a level of cost that is not matched in current European hematology research funding. In recent decades, hematology research has improved our fundamental understanding of the biology of blood disorders, and has improved diagnostics and treatments, sometimes in revolutionary ways. This progress highlights the potential of focused basic research programs such as this EHA Roadmap.The EHA Roadmap identifies nine 'sections' in hematology: normal hematopoiesis, malignant lymphoid and myeloid diseases, anemias and related diseases, platelet disorders, blood coagulation and hemostatic disorders, transfusion medicine, infections in hematology, and hematopoietic stem cell transplantation. These sections span 60 smaller groups of diseases or disorders.The EHA Roadmap identifies priorities and needs across the field of hematology, including those to develop targeted therapies based on genomic profiling and chemical biology, to eradicate minimal residual malignant disease, and to develop cellular immunotherapies, combination treatments, gene therapies, hematopoietic stem cell treatments, and treatments that are better tolerated by elderly patients.
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Affiliation(s)
| | | | - Anneke Brand
- Leids Universitair Medisch Centrum, Leiden, the Netherlands
| | | | | | | | | | | | - Willem Fibbe
- Leids Universitair Medisch Centrum, Leiden, the Netherlands
| | - Tony Green
- Cambridge Institute for Medical Research, United Kingdom
| | - Fleur de Haas
- European Hematology Association, The Hague, the Netherlands
| | | | | | | | - Gilles Salles
- Hospices Civils de Lyon/Université de Lyon, Pierre-Bénite, France
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239
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Alfraih F, Aljurf M, Fitzhugh CD, Kassim AA. Alternative donor allogeneic hematopoietic cell transplantation for hemoglobinopathies. Semin Hematol 2016; 53:120-8. [PMID: 27000737 DOI: 10.1053/j.seminhematol.2016.01.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Allogeneic hematopoietic stem cell transplantation (HSCT) offers a curative therapy for patients with hemoglobinopathies, mainly severe sickle cell disease (SCD) and thalassemia (TM). However, the applicability of HSCT has been limited mainly by donor availability, with a less than 25%-30% of eligible patients having human leukocyte antigen (HLA)-matched sibling donors. Previous outcomes using alternate donor options have been markedly inferior due to increased regimen-related toxicity, transplant-related mortality, graft failure, and graft-versus-host disease (GVHD). Advances in transplant technology, including high-resolution HLA typing, improved GVHD prophylactic approaches with tolerance induction, and better supportive care over the last decade, are addressing these historical challenges, resulting in increasing donor options. Herein, we review alternate donor HSCT approaches for severe SCD and TM using unrelated donors, umbilical cord blood units, or related haploidentical donors. Though this is an emerging field, early results are promising and in selected patients, this may be the preferred option to mitigate against the age-related morbidity and early mortality associated with these disorders.
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Affiliation(s)
- Feras Alfraih
- Adult Hematology and Hematopoietic Stem Cell Transplantation, King Faisal Hospital and Research Centre, Riyadh, Saudi Arabia.
| | - Mahmoud Aljurf
- Molecular and Clinical Hematology Branch, NHLBI, NIH, Bethesda, MD, USA
| | - Courtney D Fitzhugh
- Division of Hematology and Oncology, Department of Medicine and Vanderbilt- Meharry Center for Excellence in Sickle Cell Disease, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Adetola A Kassim
- Division of Hematology and Oncology, Department of Medicine and Vanderbilt- Meharry Center for Excellence in Sickle Cell Disease, Vanderbilt University Medical Center, Nashville, TN, USA
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240
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Baronciani D, Angelucci E, Potschger U, Gaziev J, Yesilipek A, Zecca M, Orofino MG, Giardini C, Al-Ahmari A, Marktel S, de la Fuente J, Ghavamzadeh A, Hussein AA, Targhetta C, Pilo F, Locatelli F, Dini G, Bader P, Peters C. Hemopoietic stem cell transplantation in thalassemia: a report from the European Society for Blood and Bone Marrow Transplantation Hemoglobinopathy Registry, 2000-2010. Bone Marrow Transplant 2016; 51:536-41. [PMID: 26752139 DOI: 10.1038/bmt.2015.293] [Citation(s) in RCA: 133] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Revised: 10/23/2015] [Accepted: 10/23/2015] [Indexed: 11/09/2022]
Abstract
Allogeneic hemopoietic stem cell transplantation (HSCT) is the only method currently available to cure transfusion-dependent thalassemia major that has been widely used worldwide. To verify transplantation distribution, demography, activity, policies and outcomes inside the European Group for Blood and Marrow Transplantation (EBMT), we performed a retrospective non-interventional study, extracting data from the EBMT hemoglobinopathy prospective registry database. We included 1493 consecutive patients with thalassemia major transplanted between 1 January 2000 and 31 December 2010. In total, 1359 (91%) transplants were performed on patients <18 years old, 1061 were from a human leukocyte Ag-identical sibling donor. After a median observation time of 2 years, the 2-year overall survival (OS) and event-free survival (EFS; that is, thalassemia-free survival) were 88 ± 1% and 81 ± 1%, respectively. Transplantation from a human leukocyte Ag-identical sibling offered the best results, with OS and EFS of 91 ± 1% and 83 ± 1%, respectively. No significant differences in survival were reported between countries. The threshold age for optimal transplant outcomes was around 14 years, with an OS of 90-96% and an EFS of 83-93% when transplants were performed before this age. Allogeneic HSCT for thalassemia is a curative approach that is employed internationally and produces excellent results.
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Affiliation(s)
- D Baronciani
- Ematologia e Centro Trapianti, Ospedale Oncologico di Riferimento Regionale 'Armando Businco', Azienda Ospedaliera 'Brotzu', Cagliari, Italy
| | - E Angelucci
- Ematologia e Centro Trapianti, Ospedale Oncologico di Riferimento Regionale 'Armando Businco', Azienda Ospedaliera 'Brotzu', Cagliari, Italy
| | - U Potschger
- St Anna Children's Hospital, Department of Pediatrics, Medical University, Vienna, Austria
| | - J Gaziev
- International Center for Transplantation in Thalassemia and Sickle Cell Anemia, Rome, Italy
| | - A Yesilipek
- Pediatric Stem Cell Transplantation Unit, Akdeniz University School of Medicine, Antalya, Turkiye
| | - M Zecca
- Department of Pediatric Hematology/Oncology, Fondazione IRCCS Policlinico 'San Matteo', Pavia, Italy
| | - M G Orofino
- Department of Biomedical Science and Biotechnology, Second Paediatric Clinic, Bone Marrow Transplant Unit, University of Cagliari, Cagliari, Italy
| | - C Giardini
- Ematologia e Centro Trapianti, Ospedali Riuniti Marche Nord, Pesaro, Italy
| | - A Al-Ahmari
- King Faisal Specialist Hospital and Research Centre, Department of PHO and Stem Cell Transplantation, Riyadh, Saudi Arabia
| | - S Marktel
- Stem Cells Programme, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | | | - A Ghavamzadeh
- Hematology, Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - A A Hussein
- Pediatric Bone Marrow and Stem Cell Transplant, King Hussein Cancer Center, Al-Jubeiha Amman, Jordan
| | - C Targhetta
- Ematologia e Centro Trapianti, Ospedale Oncologico di Riferimento Regionale 'Armando Businco', Azienda Ospedaliera 'Brotzu', Cagliari, Italy
| | - F Pilo
- Ematologia e Centro Trapianti, Ospedale Oncologico di Riferimento Regionale 'Armando Businco', Azienda Ospedaliera 'Brotzu', Cagliari, Italy
| | - F Locatelli
- Department of Pediatric Hematology and Oncology IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy
| | | | - P Bader
- Division for Stem Cell Transplantation and Immunology Hospital for Children and Adolescents, Frankfurt a. Main, Germany
| | - C Peters
- St Anna Children's Hospital, Department of Pediatrics, Medical University, Vienna, Austria
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241
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Camaschella C, Nai A. Ineffective erythropoiesis and regulation of iron status in iron loading anaemias. Br J Haematol 2015; 172:512-23. [PMID: 26491866 DOI: 10.1111/bjh.13820] [Citation(s) in RCA: 109] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The definition 'iron loading anaemias' encompasses a group of inherited and acquired anaemias characterized by ineffective erythropoiesis, low hepcidin levels, excessive iron absorption and secondary iron overload. Non-transfusion-dependent β-thalassaemia is the paradigmatic example of these conditions that include dyserythropoietic and sideroblastic anaemias and some forms of myelodysplasia. Interrupting the vicious cycle between ineffective erythropoiesis and iron overload may be of therapeutic benefit in all these diseases. Induction of iron restriction by means of transferrin infusions, minihepcidins or manipulation of the hepcidin pathway prevents iron overload, redistributes iron from parenchymal cells to macrophage stores and partially controls anaemia in β-thalassaemic mice. Inhibition of ineffective erythropoiesis by activin ligand traps improves anaemia and iron overload in the same models. Targeting iron loading or ineffective erythropoiesis shows promise in preclinical studies; activin ligand traps are in clinical trials with promising results and may be useful in patients with ineffective erythropoiesis.
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Affiliation(s)
- Clara Camaschella
- Division of Genetics and Cell Biology, San Raffaele Scientific Institute, Vita Salute University, Milano, Italy
| | - Antonella Nai
- Division of Genetics and Cell Biology, San Raffaele Scientific Institute, Vita Salute University, Milano, Italy
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242
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Archer N, Galacteros F, Brugnara C. 2015 Clinical trials update in sickle cell anemia. Am J Hematol 2015; 90:934-50. [PMID: 26178236 PMCID: PMC5752136 DOI: 10.1002/ajh.24116] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 07/08/2015] [Indexed: 02/02/2023]
Abstract
Polymerization of HbS and cell sickling are the prime pathophysiological events in sickle cell disease (SCD). Over the last 30 years, a substantial understanding at the molecular level has been acquired on how a single amino acid change in the structure of the beta chain of hemoglobin leads to the explosive growth of the HbS polymer and the associated changes in red cell morphology. O2 tension and intracellular HbS concentration are the primary molecular drivers of this process, and are obvious targets for developing new therapies. However, polymerization and sickling are driving a complex network of associated cellular changes inside and outside of the erythrocyte, which become essential components of the inflammatory vasculopathy and result in a large range of potential acute and chronic organ damages. In these areas, a multitude of new targets for therapeutic developments have emerged, with several ongoing or planned new therapeutic interventions. This review outlines the key points of SCD pathophysiology as they relate to the development of new therapies, both at the pre-clinical and clinical levels.
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Affiliation(s)
- Natasha Archer
- Pediatric Hematology/Oncology Dana-Farber/Children’s Hospital Blood Disorders and Cancer Center, Boston, Massachusetts
| | - Frédéric Galacteros
- Centre De Référence Des Syndromes Drépanocytaires Majeurs, Hôpital Henri-Mondor, APHP, UPEC, Creteil, France
| | - Carlo Brugnara
- Department of Laboratory Medicine, Boston Children’s Hospital, Harvard Medical School Boston, Massachusetts
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243
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Saliba AN, Alameddine RS, Harb AR, Taher AT. Globin gene regulation for treating β-thalassemias: progress, obstacles and future. Expert Opin Orphan Drugs 2015. [DOI: 10.1517/21678707.2015.1074071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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244
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Costa D, Capuano M, Sommese L, Napoli C. Impact of epigenetic mechanisms on therapeutic approaches of hemoglobinopathies. Blood Cells Mol Dis 2015; 55:95-100. [DOI: 10.1016/j.bcmd.2015.05.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 05/08/2015] [Accepted: 05/10/2015] [Indexed: 11/24/2022]
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245
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Bhatia M, Sheth S. Hematopoietic stem cell transplantation in sickle cell disease: patient selection and special considerations. J Blood Med 2015. [PMID: 26203293 PMCID: PMC4506029 DOI: 10.2147/jbm.s60515] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Hematopoietic stem cell transplantation remains the only curative treatment currently in use for patients with sickle cell disease (SCD). The first successful hematopoietic stem cell transplantation was performed in 1984. To date, approximately 1,200 transplants have been reported. Given the high prevalence of this disorder in Africa, and its emergence in the developed world through immigration, this number is relatively small. There are many reasons for this; primary among them are the availability of a donor, the risks associated with this complex procedure, and the cost and availability of resources in the developing world. Of these, it is fair to say that the risks associated with the procedure have steadily decreased to the point where, if currently performed in a center with experience using a matched sibling donor, overall survival is close to 100% and event-free survival is over 90%. While there is little controversy around offering hematopoietic stem cell transplantation to symptomatic SCD patients with a matched sibling donor, there is much debate surrounding the use of this modality in “less severe” patients. An overview of the current state of our understanding of the pathology and treatment of SCD is important to show that our current strategy is not having the desired impact on survival of homozygous SCD patients, and should be changed to significantly impact the small proportion of these patients who have matched siblings and could be cured, especially those without overt clinical manifestations. Both patient families and providers must be made to understand the progressive nature of SCD, and should be encouraged to screen full siblings of patients with homozygous SCD for their potential to be donors. Matched siblings should be referred to an experienced transplant center for evaluation and counseling. In this review, we will discuss the rationale for these opinions and make recommendations for patient selection.
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Affiliation(s)
- Monica Bhatia
- Division of Pediatric Hematology/Oncology/Stem Cell Transplantation, Columbia University Medical Center, New York, NY, USA
| | - Sujit Sheth
- Division of Pediatric Hematology and Oncology, Weill Cornell Medical College, New York, NY, USA
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246
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Ghosh S, Thrasher AJ, Gaspar HB. Gene therapy for monogenic disorders of the bone marrow. Br J Haematol 2015; 171:155-170. [DOI: 10.1111/bjh.13520] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Sujal Ghosh
- Infection, Immunity, Inflammation and Physiological Medicine; Molecular and Cellular Immunology Section; University College London - Institute of Child Health; London UK
- Department of Paediatric Oncology, Haematology and Clinical Immunology; Medical Faculty; Centre of Child and Adolescent Health; Heinrich-Heine-University; Düsseldorf Germany
| | - Adrian J. Thrasher
- Infection, Immunity, Inflammation and Physiological Medicine; Molecular and Cellular Immunology Section; University College London - Institute of Child Health; London UK
| | - H. Bobby Gaspar
- Infection, Immunity, Inflammation and Physiological Medicine; Molecular and Cellular Immunology Section; University College London - Institute of Child Health; London UK
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247
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Gravia A, Chondrou V, Sgourou A, Papantoni I, Borg J, Katsila T, Papachatzopoulou A, Patrinos GP. Individualizing fetal hemoglobin augmenting therapy for β-type hemoglobinopathies patients. Pharmacogenomics 2015; 15:1355-64. [PMID: 25155936 DOI: 10.2217/pgs.14.101] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Individual genetic composition is an important cause of variations in the response and tolerance to drug treatment. Pharmacogenomics is a modern discipline aiming to delineate individual genomic profiles and drug response. To date, there are several medical disciplines where pharmacogenomics is readily applicable, while in others its usefulness is yet to be demonstrated. Recent experimental evidence suggest that besides genomic variation within the human β-globin gene cluster, other variants in modifier genes residing outside the human β-globin gene cluster are significantly associated with response to hydroxyurea treatment in β-type hemoglobinopathies patients, deducted from the increase in fetal hemoglobin levels. This article aims to provide an update and to discuss future challenges on the application of pharmacogenomics for β-type hemoglobinopathies therapeutics in relation to the current pharmacological treatment modalities for those disorders.
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Affiliation(s)
- Aikaterini Gravia
- University of Patras, School of Health Sciences, Department of Pharmacy, University Campus, Rion, GR-265 04, Patras, Greece
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248
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Brousse V, Kossorotoff M, de Montalembert M. How I manage cerebral vasculopathy in children with sickle cell disease. Br J Haematol 2015; 170:615-25. [DOI: 10.1111/bjh.13477] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Valentine Brousse
- Paediatrics and Sickle-Cell Centre; University Hospital Necker-Enfants Malades; APHP; Paris France
- UMR S-1134; INSERM; Paris France
- GR-Ex; Laboratory of Excellence; Paris France
- Paris Descartes University; Paris France
| | - Manoelle Kossorotoff
- Paediatric Neurology, French Centre for Paediatric Stroke; Necker-Enfants Malades University Hospital; APHP; Paris France
| | - Mariane de Montalembert
- Paediatrics and Sickle-Cell Centre; University Hospital Necker-Enfants Malades; APHP; Paris France
- GR-Ex; Laboratory of Excellence; Paris France
- Paris Descartes University; Paris France
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249
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Strocchio L, Zecca M, Comoli P, Mina T, Giorgiani G, Giraldi E, Vinti L, Merli P, Regazzi M, Locatelli F. Treosulfan-based conditioning regimen for allogeneic haematopoietic stem cell transplantation in children with sickle cell disease. Br J Haematol 2015; 169:726-36. [PMID: 25818248 DOI: 10.1111/bjh.13352] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2014] [Accepted: 01/20/2015] [Indexed: 12/01/2022]
Abstract
Although allogeneic haematopoietic stem cell transplantation (HSCT) still represents the only consolidated possibility of cure for sickle cell disease (SCD) patients, its use has been limited by the risk of morbidity and mortality associated with conventional myeloablative therapy. The introduction of treosulfan to replace busulfan in conditioning regimens has recently been explored by virtue of its lower toxicity profile. We report our experience with a treosulfan/thiotepa/fludarabine conditioning for human leucocyte antigen (HLA)-matched sibling or unrelated donor-HSCT in 15 children with SCD, and compare patient outcomes with those of a historical cohort (15 patients) given a busulfan-based regimen. Engraftment was achieved in 28 out of 30 patients (93%), with one case of graft failure in either group. The conditioning regimen was well tolerated in both groups, with no cases of grade III-IV regimen-related toxicity. The 7-year overall survival (OS) and disease-free survival (DFS) for the whole cohort were 100% and 93%, respectively, with a 93% DFS in both busulfan and treosulfan groups. No SCD-related adverse events occurred after engraftment in patients with complete or mixed donor chimerism. This retrospective analysis suggests that a treosulfan-based conditioning regimen is able to ensure engraftment with excellent OS/DFS and low regimen-related toxicity in patients with SCD.
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Affiliation(s)
- Luisa Strocchio
- Oncoematologia Pediatrica, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Marco Zecca
- Oncoematologia Pediatrica, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Patrizia Comoli
- Oncoematologia Pediatrica, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Tommaso Mina
- Oncoematologia Pediatrica, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Giovanna Giorgiani
- Oncoematologia Pediatrica, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Eugenia Giraldi
- Unità Pediatria, Azienda Ospedaliera Papa Giovanni XXIII, Bergamo, Italy
| | - Luciana Vinti
- Dipartimento di Oncoematologia Pediatrica, IRCCS Ospedale Pediatrico Bambino Gesù, Roma, Italy
| | - Pietro Merli
- Dipartimento di Oncoematologia Pediatrica, IRCCS Ospedale Pediatrico Bambino Gesù, Roma, Italy
| | - Mario Regazzi
- Farmacocinetica Clinica dei Trapianti e delle Malattie Autoimmuni, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Franco Locatelli
- Dipartimento di Oncoematologia Pediatrica, IRCCS Ospedale Pediatrico Bambino Gesù, Roma, Italy.,Università degli Studi di Pavia, Pavia, Italy
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250
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Sureda A, Bader P, Cesaro S, Dreger P, Duarte RF, Dufour C, Falkenburg JHF, Farge-Bancel D, Gennery A, Kröger N, Lanza F, Marsh JC, Nagler A, Peters C, Velardi A, Mohty M, Madrigal A. Indications for allo- and auto-SCT for haematological diseases, solid tumours and immune disorders: current practice in Europe, 2015. Bone Marrow Transplant 2015; 50:1037-56. [PMID: 25798672 DOI: 10.1038/bmt.2015.6] [Citation(s) in RCA: 216] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Accepted: 01/09/2015] [Indexed: 12/17/2022]
Abstract
This is the sixth special report that the European Society for Blood and Marrow Transplantation regularly publishes on the current practice and indications for haematopoietic SCT for haematological diseases, solid tumours and immune disorders in Europe. Major changes have occurred in the field of haematopoietic SCT over the last years. Cord blood units as well as haploidentical donors have been increasingly used as stem cell sources for allo-SCT, thus, augmenting the possibility of finding a suitable donor for a patient. Continuous refinement of conditioning strategies has also expanded not only the number of potential indications but also has permitted consideration of older patients or those with co-morbidity for a transplant. There is accumulating evidence of the role of haematopoietic SCT in non-haematological disorders such as autoimmune diseases. On the other hand, the advent of new drugs and very effective targeted therapy has challenged the role of SCT in some instances or at least, modified its position in the treatment armamentarium of a given patient. An updated report with revised tables and operating definitions is presented.
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Affiliation(s)
- A Sureda
- Department of Haematology, Institut Catala d'Oncologia, Hospital Duran I Reynals, Barcelona, Spain
| | - P Bader
- Universitätsklinikum Frankfurt, Goethe-Universität, Klinik für Kinder- und Jugendmedizin, Frankfurt, Germany
| | - S Cesaro
- Paediatric Haematology Oncology, Policlinico G.B. Rossi, Verona, Italy
| | - P Dreger
- Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany
| | - R F Duarte
- Department of Haematology, Institut Catala d'Oncologia, Hospital Duran I Reynals, Barcelona, Spain
| | - C Dufour
- Clinical And Experimental Hematology Unit. Institute G. Gaslini, Genoa, Italy
| | - J H F Falkenburg
- Department of Haematology, Leiden University Medical Center, Leiden, The Netherlands
| | - D Farge-Bancel
- Department of Haematology-BMT, Hopital St Louis, Paris, France
| | - A Gennery
- Children's BMT Unit, Great North Children's Hospital, Newcastle-Upon-Tyne, UK
| | - N Kröger
- Department of Stem Cell Transplantation, University hospital Eppendorf, Hamburg, Germany
| | - F Lanza
- Haematology and BMT Unit, Cremona, Italy
| | - J C Marsh
- Department of Haematological Medicine, King's College Hospital/King's College London, London, UK
| | - A Nagler
- Chaim Sheva Medical Center, Tel-Hashomer, Israel
| | - C Peters
- Stem Cell Transplantation Unit, St Anna Kinderspital, Vienna, Austria
| | - A Velardi
- Sezione di Ematologia, Dipartimento di Medicina Clinica e Sperimentale, Università di Perugia, Perugia, Italy
| | - M Mohty
- Department of Haematology, H. Saint Antoine, Paris, France
| | - A Madrigal
- Anthony Nolan Research Institute, Royal Free and University College, London, UK
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