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Horvei P, MacKenzie T, Kharbanda S. Advances in the management of α-thalassemia major: reasons to be optimistic. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2021; 2021:592-599. [PMID: 34889445 PMCID: PMC8791144 DOI: 10.1182/hematology.2021000295] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
α-Thalassemia major (ATM) is a severe disease resulting from deletions in all 4 copies of the α-globin gene. Although it is usually fatal before birth, the advent of in utero transfusions has enabled survival of a growing number of children. Postnatal therapy consists of chronic transfusions or stem cell transplantation, similar to patients with β-thalassemia major. In this review, we discuss the experience with postnatal stem cell transplantation in patients with ATM, as well as the ongoing phase 1 clinical trial of in utero stem cell transplantation for this condition.
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Affiliation(s)
- Paulina Horvei
- Division of Pediatric Allergy, Immunology and Bone Marrow Transplantation, UCSF Benioff Children's Hospital, University of California, San Francisco, CA
| | - Tippi MacKenzie
- Division of Pediatric Surgery and Fetal Treatment Center, UCSF Benioff Children's Hospital, University of California, San Francisco, CA
| | - Sandhya Kharbanda
- Division of Pediatric Allergy, Immunology and Bone Marrow Transplantation, UCSF Benioff Children's Hospital, University of California, San Francisco, CA
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Abstract
BACKGROUND Thalassaemia is an autosomal recessive blood disorder, caused by mutations in globin genes or their regulatory regions, resulting in a reduced rate of synthesis of one of the globin chains that make up haemoglobin. In β-thalassaemia there is an underproduction of β-globin chains combined with excess of free α-globin chains. The excess free α-globin chains precipitate in red blood cells, leading to their increased destruction (haemolysis) and ineffective erythropoiesis. The conventional treatment is based on the correction of haemoglobin through regular red blood cell transfusions and treating the iron overload that develops subsequently with iron chelation therapy. Although, early detection and initiations of such supportive treatment has improved the quality of life for people with transfusion-dependent thalassaemia, allogeneic hematopoietic stem cell transplantation is the only widely available therapy with a curative potential. Gene therapy for β-thalassaemia has recently received conditional authorisation for marketing in Europe, and may soon become widely available as another alternative therapy with curative potential for people with transfusion-dependent thalassaemia. This is an update of a previously published Cochrane Review. OBJECTIVES To evaluate the effectiveness and safety of different types of hematopoietic stem cell transplantation, in people with transfusion-dependent β-thalassaemia. SEARCH METHODS We searched the Cochrane Cystic Fibrosis and Genetic Disorders Group Haemoglobinopathies Trials Register comprising references identified from comprehensive electronic database searches and handsearches of relevant journals and abstract books of conference proceedings. We also searched online trial registries. Date of the most recent search: 07 April 2021. SELECTION CRITERIA Randomised controlled trials and quasi-randomised controlled trials comparing hematopoietic stem cell transplantation with each other or with standard therapy (regular transfusion and chelation regimen). DATA COLLECTION AND ANALYSIS Two review authors independently screened trials and had planned to extract data and assess risk of bias using standard Cochrane methodologies and assess the quality using GRADE approach, but no trials were identified for inclusion in the current review. MAIN RESULTS No relevant trials were retrieved after a comprehensive search of the literature. AUTHORS' CONCLUSIONS We were unable to identify any randomised controlled trials or quasi-randomised controlled trials on the effectiveness and safety of different types of hematopoietic stem cell transplantation in people with transfusion-dependent β-thalassaemia. The absence of high-level evidence for the effectiveness of these interventions emphasises the need for well-designed, adequately-powered, randomised controlled clinical trials.
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Affiliation(s)
- Akshay Sharma
- Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | | | - Latika Puri
- St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA
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Shin SH, Park SS, Park S, Jeon YW, Yoon JH, Yahng SA, Cho BS, Kim YJ, Lee S, Kim HJ, Min CK, Cho SG, Kim DW, Lee JW, Eom KS. Non-myeloablative matched sibling stem cell transplantation with the optional reinforced stem cell infusion for patients with hemoglobinopathies. Eur J Haematol 2020; 105:387-398. [PMID: 32470197 DOI: 10.1111/ejh.13455] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 05/19/2020] [Accepted: 05/20/2020] [Indexed: 12/30/2022]
Abstract
BACKGROUND The NIH protocol for non-myeloablative (NMA) conditioning allogeneic stem cell transplantation (alloSCT) with alemtuzumab and low-dose total body irradiation corrected the abnormal sickle cell disease (SCD) phenotype without the risk of graft-versus-host disease. However, alloSCT using NMA conditioning had been rarely applied to β-thalassemia major (β-TM) patients. METHODS To avoid prolonged immunosuppression, we developed a two-stage strategy. Mixed donor chimerism was initially achieved using the protocol developed by the NIH protocol. Thereafter, we facilitated donor chimerism using the optional reinforced stem cell (SC) infusion in cases requiring protracted immunosuppression or experiencing impending graft failure. RESULTS In this study, β-TM (n = 9) and SCD (n = 4) patients were equally effectively treated with eradicating the abnormal hemoglobin phenotype. Five patients, including four β-TM, achieved stable mixed chimerism without receiving optional reinforced SC infusion. All patients that received optional reinforced infusion achieved complete (n = 4) or mixed chimerism (n = 1). The overall survival rate and event-free survival at 4 years were 91.7% (95% CI; 53.9-98.8) in both groups, with a thalassemia-free survival rate in β-TM patients of 87.5% (95% CI; 38.7-98.1). CONCLUSION This study is the first to report successful NMA conditioning alloSCT to achieve stable mixed chimerism correcting the abnormal hemoglobin phenotype in adult β-TM patients.
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Affiliation(s)
- Seung-Hwan Shin
- Department of Hematology, Hematology Institute, Eunpyeong St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sung-Soo Park
- Leukemia Research Institute, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Silvia Park
- Leukemia Research Institute, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Young-Woo Jeon
- Department of Hematology, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jae-Ho Yoon
- Leukemia Research Institute, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Seung-Ah Yahng
- Department of Hematology, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Byung-Sik Cho
- Leukemia Research Institute, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Yoo-Jin Kim
- Leukemia Research Institute, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Seok Lee
- Leukemia Research Institute, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Hee-Je Kim
- Leukemia Research Institute, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Chang-Ki Min
- Leukemia Research Institute, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Seok-Goo Cho
- Leukemia Research Institute, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Dong-Wook Kim
- Leukemia Research Institute, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jong-Wook Lee
- Leukemia Research Institute, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Ki-Seong Eom
- Leukemia Research Institute, Catholic Hematology Hospital, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Donor cell engineering with GSK3 inhibitor-loaded nanoparticles enhances engraftment after in utero transplantation. Blood 2020; 134:1983-1995. [PMID: 31570489 DOI: 10.1182/blood.2019001037] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 08/23/2019] [Indexed: 01/04/2023] Open
Abstract
Host cell competition is a major barrier to engraftment after in utero hematopoietic cell transplantation (IUHCT). Here we describe a cell-engineering strategy using glycogen synthase kinase-3 (GSK3) inhibitor-loaded nanoparticles conjugated to the surface of donor hematopoietic cells to enhance their proliferation kinetics and ability to compete against their fetal host equivalents. With this approach, we achieved remarkable levels of stable, long-term hematopoietic engraftment for up to 24 weeks post-IUHCT. We also show that the salutary effects of the nanoparticle-released GSK3 inhibitor are specific to donor progenitor/stem cells and achieved by a pseudoautocrine mechanism. These results establish that IUHCT of hematopoietic cells decorated with GSK3 inhibitor-loaded nanoparticles can produce therapeutic levels of long-term engraftment and could therefore allow single-step prenatal treatment of congenital hematological disorders.
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Métais JY, Doerfler PA, Mayuranathan T, Bauer DE, Fowler SC, Hsieh MM, Katta V, Keriwala S, Lazzarotto CR, Luk K, Neel MD, Perry SS, Peters ST, Porter SN, Ryu BY, Sharma A, Shea D, Tisdale JF, Uchida N, Wolfe SA, Woodard KJ, Wu Y, Yao Y, Zeng J, Pruett-Miller S, Tsai SQ, Weiss MJ. Genome editing of HBG1 and HBG2 to induce fetal hemoglobin. Blood Adv 2019; 3:3379-3392. [PMID: 31698466 PMCID: PMC6855127 DOI: 10.1182/bloodadvances.2019000820] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 08/19/2019] [Indexed: 12/20/2022] Open
Abstract
Induction of fetal hemoglobin (HbF) via clustered regularly interspaced short palindromic repeats/Cas9-mediated disruption of DNA regulatory elements that repress γ-globin gene (HBG1 and HBG2) expression is a promising therapeutic strategy for sickle cell disease (SCD) and β-thalassemia, although the optimal technical approaches and limiting toxicities are not yet fully defined. We disrupted an HBG1/HBG2 gene promoter motif that is bound by the transcriptional repressor BCL11A. Electroporation of Cas9 single guide RNA ribonucleoprotein complex into normal and SCD donor CD34+ hematopoietic stem and progenitor cells resulted in high frequencies of on-target mutations and the induction of HbF to potentially therapeutic levels in erythroid progeny generated in vitro and in vivo after transplantation of hematopoietic stem and progenitor cells into nonobese diabetic/severe combined immunodeficiency/Il2rγ-/-/KitW41/W41 immunodeficient mice. On-target editing did not impair CD34+ cell regeneration or differentiation into erythroid, T, B, or myeloid cell lineages at 16 to 17 weeks after xenotransplantation. No off-target mutations were detected by targeted sequencing of candidate sites identified by circularization for in vitro reporting of cleavage effects by sequencing (CIRCLE-seq), an in vitro genome-scale method for detecting Cas9 activity. Engineered Cas9 containing 3 nuclear localization sequences edited human hematopoietic stem and progenitor cells more efficiently and consistently than conventional Cas9 with 2 nuclear localization sequences. Our studies provide novel and essential preclinical evidence supporting the safety, feasibility, and efficacy of a mechanism-based approach to induce HbF for treating hemoglobinopathies.
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Affiliation(s)
- Jean-Yves Métais
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN
| | - Phillip A Doerfler
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN
| | | | - Daniel E Bauer
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
- Department of Pediatrics, Harvard Medical School, Boston, MA
- Harvard Stem Cell Institute, Cambridge, MA
- Broad Institute of MIT and Harvard, Cambridge, MA
| | - Stephanie C Fowler
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN
| | - Matthew M Hsieh
- Molecular and Clinical Hematology Branch, National Heart, Lung, and Blood Institute, Bethesda, MD
| | - Varun Katta
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN
| | - Sagar Keriwala
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN
| | - Cicera R Lazzarotto
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN
| | - Kevin Luk
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Medical School, Worcester, MA; and
| | | | | | | | | | - Byoung Y Ryu
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN
| | - Akshay Sharma
- Department of Bone Marrow Transplantation and Cellular Therapy, St. Jude Children's Research Hospital, Memphis, TN
| | - Devlin Shea
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA
| | - John F Tisdale
- Molecular and Clinical Hematology Branch, National Heart, Lung, and Blood Institute, Bethesda, MD
| | - Naoya Uchida
- Molecular and Clinical Hematology Branch, National Heart, Lung, and Blood Institute, Bethesda, MD
| | - Scot A Wolfe
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Medical School, Worcester, MA; and
| | - Kaitly J Woodard
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN
| | - Yuxuan Wu
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA
| | - Yu Yao
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN
| | - Jing Zeng
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA
| | | | - Shengdar Q Tsai
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN
| | - Mitchell J Weiss
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN
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Lidonnici MR, Paleari Y, Tiboni F, Mandelli G, Rossi C, Vezzoli M, Aprile A, Lederer CW, Ambrosi A, Chanut F, Sanvito F, Calabria A, Poletti V, Mavilio F, Montini E, Naldini L, Cristofori P, Ferrari G. Multiple Integrated Non-clinical Studies Predict the Safety of Lentivirus-Mediated Gene Therapy for β-Thalassemia. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2018; 11:9-28. [PMID: 30320151 PMCID: PMC6178212 DOI: 10.1016/j.omtm.2018.09.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 09/07/2018] [Indexed: 01/07/2023]
Abstract
Gene therapy clinical trials require rigorous non-clinical studies in the most relevant models to assess the benefit-to-risk ratio. To support the clinical development of gene therapy for β-thalassemia, we performed in vitro and in vivo studies for prediction of safety. First we developed newly GLOBE-derived vectors that were tested for their transcriptional activity and potential interference with the expression of surrounding genes. Because these vectors did not show significant advantages, GLOBE lentiviral vector (LV) was elected for further safety characterization. To support the use of hematopoietic stem cells (HSCs) transduced by GLOBE LV for the treatment of β-thalassemia, we conducted toxicology, tumorigenicity, and biodistribution studies in compliance with the OECD Principles of Good Laboratory Practice. We demonstrated a lack of toxicity and tumorigenic potential associated with GLOBE LV-transduced cells. Vector integration site (IS) studies demonstrated that both murine and human transduced HSCs retain self-renewal capacity and generate new blood cell progeny in the absence of clonal dominance. Moreover, IS analysis showed an absence of enrichment in cancer-related genes, and the genes targeted by GLOBE LV in human HSCs are well known sites of integration, as seen in other lentiviral gene therapy trials, and have not been associated with clonal expansion. Taken together, these integrated studies provide safety data supporting the clinical application of GLOBE-mediated gene therapy for β-thalassemia.
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Affiliation(s)
- Maria Rosa Lidonnici
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Ylenia Paleari
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Francesca Tiboni
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Giacomo Mandelli
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Claudia Rossi
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Michela Vezzoli
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Annamaria Aprile
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Carsten Werner Lederer
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy.,Department of Molecular Genetics Thalassaemia, The Cyprus Institute of Neurology and Genetics, Nicosia, Cyprus
| | | | | | - Francesca Sanvito
- Department of Pathology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Andrea Calabria
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | | | - Fulvio Mavilio
- Department of Life Sciences, University of Modena and Reggio Emilia, Modeno, Italy
| | - Eugenio Montini
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Luigi Naldini
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy.,Vita Salute San Raffaele University, Milan, Italy
| | - Patrizia Cristofori
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy.,GlaxoSmithKline Ware, Hertfordshire, UK
| | - Giuliana Ferrari
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy.,Vita Salute San Raffaele University, Milan, Italy
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Management of Children With β-Thalassemia Intermedia: Overview, Recent Advances, and Treatment Challenges. J Pediatr Hematol Oncol 2018; 40:253-268. [PMID: 29629992 DOI: 10.1097/mph.0000000000001148] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Our knowledge of the various clinical morbidities that thalassemia intermedia (TI) patients endure has substantially increased over the past decade. It is mandatory to grasp a solid understanding of disease-specific complications in order to tailor management. The optimal course of management for TI patients has been hard to identify, and several controversies remain with regard to the best treatment plan. Although advances in TI are moving at a fast pace, many complications remain with no treatment guidelines. Studies that expand our understanding of the mechanisms and risk factors, as well as clinical trials evaluating the roles of available treatments, will help establish management guidelines that improve patient care. Novel therapeutic modalities are now emerging. This article focuses on the management of children with β-TI. We present various clinical morbidities and their association with the underlying disease pathophysiology and risk factors. All therapeutic options, recent advances, and treatment challenges were reviewed.
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Long-term outcome of mixed chimerism after stem cell transplantation for thalassemia major conditioned with busulfan and cyclophosphamide. Bone Marrow Transplant 2017; 53:169-174. [PMID: 29035392 DOI: 10.1038/bmt.2017.231] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Revised: 08/30/2017] [Accepted: 09/04/2017] [Indexed: 11/09/2022]
Abstract
Mixed chimerism (MC) occurs frequently after allogeneic hematopoietic stem cell transplantation (HSCT) for thalassemia major (TM) and may be associated with rejection. We report the outcome of MC in 132 TM patients conditioned with Busulphan/Cyclophosphamide, who had successful engraftment and had ⩾1 year follow-up. Chimerism was first assessed at day +28, then every 3-9 months or more frequently if there was MC. If rejection was suspected, immunosuppression was stopped and donor-lymphocyte infusion (DLI) was given if there was no response. Among 132 patients, aged 7 years (range: 2-24), 46/132 (34.8%) had MC in the first year, 32/46 (69.6%) at day +28 and another 14 (30%) between day +28 and 1 year post HSCT. MC was quantified at level 1 (residual host chimerism (RHC) <10%) in 20 (43.5%), level II (RHC 10-25%) in 14 (30.4%) and level III (RHC >25%) in 12 (26.1%). On tapering immunosuppression, 15 (32.6%) developed acute GvHD and 8 (17.4%) had chronic GvHD with reversal to complete chimerism (CC). DLI was administered to 5/46 (10.9%), 1 evolved to CC but 4 rejected the graft. At median follow-up of 60 months (range: 16-172), 20/46 (43.5%) had CC, 18/46 (39.1%) had persistent MC with hemoglobin of 11.5 g/dL (range: 8.4-13.6), whereas 8 (17.4%) rejected the graft. Close monitoring and early intervention is needed with increasing recipient chimerism. Novel strategies are required for preventing graft rejection.
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Ahci M, Stempelmann K, Buttkereit U, Crivello P, Trilling M, Heinold A, Steckel NK, Koldehoff M, Horn PA, Beelen DW, Fleischhauer K. Clinical Utility of Quantitative PCR for Chimerism and Engraftment Monitoring after Allogeneic Stem Cell Transplantation for Hematologic Malignancies. Biol Blood Marrow Transplant 2017; 23:1658-1668. [DOI: 10.1016/j.bbmt.2017.05.031] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 05/30/2017] [Indexed: 12/20/2022]
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Bernaudin F, Pondarré C, Galambrun C, Thuret I. Allogeneic/Matched Related Transplantation for β-Thalassemia and Sickle Cell Anemia. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1013:89-122. [DOI: 10.1007/978-1-4939-7299-9_4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Jagannath VA, Fedorowicz Z, Al Hajeri A, Sharma A. Hematopoietic stem cell transplantation for people with ß-thalassaemia major. Cochrane Database Syst Rev 2016; 11:CD008708. [PMID: 27900772 PMCID: PMC6492419 DOI: 10.1002/14651858.cd008708.pub4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Thalassemia is an inherited autosomal recessive blood disorder, caused by mutations in globin genes or their regulatory regions. This results in a reduced rate of synthesis of one of the globin chains that make up haemoglobin. In ß-thalassaemia major there is an underproduction of ß-globin chains combined with excess of free α-globin chains. The excess free α-globin chains precipitate in red blood cells, leading to their destruction (haemolysis) and ineffective erythropoiesis. The conventional approach to treatment is based on the correction of haemoglobin status through regular blood transfusions and iron chelation therapy for iron overload. Although conventional treatment has the capacity to improve the quality of life of people with ß-thalassaemia major, allogeneic hematopoietic stem cell transplantation is the only currently available procedure which has the curative potential. This is an update of a previously published Cochrane Review. OBJECTIVES To evaluate the effectiveness and safety of different types of allogeneic hematopoietic stem cell transplantation, in people with severe transfusion-dependant ß-thalassaemia major, ß-thalassaemia intermedia or ß0/+- thalassaemia variants requiring chronic blood transfusion. SEARCH METHODS We searched the Cochrane Cystic Fibrosis and Genetic Disorders Group Haemoglobinopathies Trials Register comprising references identified from comprehensive electronic database searches and handsearches of relevant journals and abstract books of conference proceedings.Date of the most recent search: 18 August 2016. SELECTION CRITERIA Randomised controlled trials and quasi-randomised controlled trials comparing allogeneic hematopoietic stem cell transplantation with each other or with standard therapy (regular transfusion and chelation regimen). DATA COLLECTION AND ANALYSIS Two review authors independently screened studies and had planned to extract data and assess risk of bias using standard Cochrane methodologies but no studies were identified for inclusion. MAIN RESULTS No relevant studies were retrieved after a comprehensive search of the literature. AUTHORS' CONCLUSIONS We were unable to identify any randomised controlled trials or quasi-randomised controlled trials on the effectiveness and safety of different types of allogeneic stem cell transplantation in people with severe transfusion-dependant ß-thalassaemia major or ß0/+- thalassaemia variants requiring chronic blood transfusion. The absence of high-level evidence for the effectiveness of these interventions emphasises the need for well-designed, adequately-powered, randomised controlled clinical trials.
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Affiliation(s)
- Vanitha A Jagannath
- American Mission HospitalDepartment of PaediatricsManamaManamaBahrainPO Box 1
| | | | - Amani Al Hajeri
- Ministry of HealthDepartment of GeneticsBox 25438AwaliBahrain
| | - Akshay Sharma
- St Jude Children's Research Hospital262 Danny Thomas PlaceMS 260MemphisTennesseeUSA38105
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Allogeneic bone marrow transplantation for treatment of severe hemolytic anemia attributable to hexokinase deficiency. Blood 2016; 128:735-7. [DOI: 10.1182/blood-2016-03-702860] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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13
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Andreani M, Gianolini ME, Testi M, Battarra M, Tiziana G, Morrone A, Sodani P, Lucarelli G, Roncarolo MG, Gregori S. Mixed chimerism evolution is associated with T regulatory type 1 (Tr1) cells in a β-thalassemic patient after haploidentical haematopoietic stem cell transplantation. CHIMERISM 2015; 5:75-9. [PMID: 26650878 DOI: 10.1080/19381956.2015.1103423] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
In a cohort of β-Thalassemia (β-Thal) transplanted with haploidentical-HSCT we identified one transplanted patient characterized by persistent mixed chimerism (PMC) for several months after HSCT. In this unique β-Thal patient we assessed the donor engraftment overtime after transplantation, the potential loss of the non-shared HLA haplotype, and the presence of CD49b(+)LAG-3(+) T regulatory type 1 (Tr1) cells, previously demonstrated to be associated with PMC after HLA-related HSCT for β-Thal. The majority of the patient's erythrocytes were of donor origin, whereas T cells were initially mostly derived from the recipient, no HLA loss, but an increased frequency of circulating Tr1 cells were observed. For the first time, we showed that when the proportion of residual donor cells decreases, the frequency of CD49b(+)LAG-3(+) Tr1 cells declines, reaching the levels present in healthy subjects. These findings confirm previous results obtained in transplant related settings for β-Thal, and supported the central role of Tr1 cells in promoting and maintaining PMC after allo-HSCT.
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Affiliation(s)
- Marco Andreani
- a Laboratory of Immunogenetics and Transplant Biology; IME Foundation at Polyclinic of Tor Vergata ; Rome , Italy
| | - Monica Emma Gianolini
- b San Raffaele Telethon Institute for Gene Therapy (TIGET); Division of Regenerative Medicine; Stem Cells and Gene Therapy, IRCCS San Raffaele Scientific Institute ; Milan , Italy
| | - Manuela Testi
- a Laboratory of Immunogenetics and Transplant Biology; IME Foundation at Polyclinic of Tor Vergata ; Rome , Italy
| | - MariaRosa Battarra
- a Laboratory of Immunogenetics and Transplant Biology; IME Foundation at Polyclinic of Tor Vergata ; Rome , Italy
| | - Galluccio Tiziana
- a Laboratory of Immunogenetics and Transplant Biology; IME Foundation at Polyclinic of Tor Vergata ; Rome , Italy
| | - Aldo Morrone
- a Laboratory of Immunogenetics and Transplant Biology; IME Foundation at Polyclinic of Tor Vergata ; Rome , Italy
| | - Pietro Sodani
- c International Center for Transplantation in Thalassemia and Sickle Cell Anemia-Mediterranean Institute of Hematology; Policlinic of the University of Rome Tor Vergata ; Rome , Italy
| | - Guido Lucarelli
- c International Center for Transplantation in Thalassemia and Sickle Cell Anemia-Mediterranean Institute of Hematology; Policlinic of the University of Rome Tor Vergata ; Rome , Italy
| | - Maria-Grazia Roncarolo
- b San Raffaele Telethon Institute for Gene Therapy (TIGET); Division of Regenerative Medicine; Stem Cells and Gene Therapy, IRCCS San Raffaele Scientific Institute ; Milan , Italy.,d Department of Pediatric Stem Cell Transplantation and Regenerative Medicine ; Stanford School of Medicine ; Stanford , CA USA
| | - Silvia Gregori
- b San Raffaele Telethon Institute for Gene Therapy (TIGET); Division of Regenerative Medicine; Stem Cells and Gene Therapy, IRCCS San Raffaele Scientific Institute ; Milan , Italy
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14
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The role of donor-derived veto cells in nonmyeloablative haploidentical HSCT. Bone Marrow Transplant 2015; 50 Suppl 2:S14-20. [DOI: 10.1038/bmt.2015.89] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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15
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Tolar J, Sodani P, Symons H. Alternative donor transplant of benign primary hematologic disorders. Bone Marrow Transplant 2015; 50:619-27. [PMID: 25665040 DOI: 10.1038/bmt.2015.1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Revised: 12/11/2014] [Accepted: 12/12/2014] [Indexed: 12/21/2022]
Abstract
Hematopoietic SCT is currently the only curative therapy for a range of benign inherited and acquired primary hematologic disorders in children, including BM failure syndromes and hemoglobinopathies. The preferred HLA-matched sibling donor is available for only about 25% of such children. However, there has been substantial progress over the last four decades in the use of alternative donors for those without a matched sibling-including HLA-matched unrelated donors, HLA-haploidentical related donors and unrelated-donor umbilical cord blood-so that it is now possible to find a donor for almost every child requiring an allograft. Below, we summarize the relative merits and limitations of the different alternative donors for benign hematologic conditions, first generally, and then in relation to specific disorders, and suggest recommendations for selecting such an alternative donor.
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Affiliation(s)
- J Tolar
- Department of Pediatrics, University of Minnesota, Minneapolis, MN, USA
| | - P Sodani
- Department of Hematology, Tor Vergata Hospital, Rome, Italy
| | - H Symons
- Department of Pediatrics, John Hopkins Hospital, Baltimore, MD, USA
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16
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Jagannath VA, Fedorowicz Z, Al Hajeri A, Sharma A. Hematopoietic stem cell transplantation for people with ß-thalassaemia major. Cochrane Database Syst Rev 2014:CD008708. [PMID: 25316103 DOI: 10.1002/14651858.cd008708.pub3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Thalassemia is an inherited blood disorder, caused by mutations in regulatory genes and transmitted as an autosomal recessive disorder, which results in a reduced rate of synthesis of one of the globin chains that make up haemoglobin. In ß-thalassaemia major there is an underproduction of ß-globin chains combined with excess of free α-globin chains. The excess free α-globin chains damage the red blood cell membranes, leading to their destruction and a phenomenon termed ineffective erythropoiesis. The conventional approach to treatment is based on the correction of haemoglobin status through regular blood transfusions and iron chelation therapy for iron overload. Although conventional treatment has the capacity to improve the quality of life of people with ß-thalassaemia major, allogeneic hematopoietic stem cell transplantation is the only currently available procedure which has the potential to definitively cure the disease. OBJECTIVES To evaluate the effectiveness and safety of different types of allogeneic hematopoietic stem cell transplantation, in people with severe transfusion-dependant ß-thalassaemia major, ß-thalassaemia intermedia or ß0/+- thalassaemia variants requiring chronic blood transfusion. SEARCH METHODS We searched the Cochrane Cystic Fibrosis and Genetic Disorders Group Haemoglobinopathies Trials Register comprising references identified from comprehensive electronic database searches and handsearches of relevant journals and abstract books of conference proceedings.Date of the most recent search: 11 November 2013. SELECTION CRITERIA Randomised controlled trials and quasi-randomised controlled trials comparing allogeneic hematopoietic stem cell transplantation with each other or with standard therapy (regular transfusion and chelation regimen). DATA COLLECTION AND ANALYSIS Two review authors independently screened studies and had planned to extract data and assess risk of bias using standard Cochrane Collaboration methodologies but no studies were identified for inclusion. MAIN RESULTS No relevant studies were retrieved after a comprehensive search of the literature. AUTHORS' CONCLUSIONS We were unable to identify any randomised controlled trials or quasi-randomised controlled trials on the effectiveness and safety of different types of allogeneic stem cell transplantation in people with severe transfusion-dependant ß-thalassaemia major or ß0/+- thalassaemia variants requiring chronic blood transfusion. The absence of high-level evidence for the effectiveness of these interventions emphasises the need for well-designed, adequately-powered, randomised controlled clinical trials.
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Affiliation(s)
- Vanitha A Jagannath
- Department of Paediatrics, American Mission Hospital, Manama, Manama, Bahrain, PO Box 1
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Andreani M, Testi M, Lucarelli G. Mixed chimerism in haemoglobinopathies: from risk of graft rejection to immune tolerance. ACTA ACUST UNITED AC 2014; 83:137-46. [DOI: 10.1111/tan.12313] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- M. Andreani
- Laboratory of Immunogenetics and Transplant Biology; IME Foundation at Polyclinic of Tor Vergata; Rome Italy
| | - M. Testi
- Laboratory of Immunogenetics and Transplant Biology; IME Foundation at Polyclinic of Tor Vergata; Rome Italy
| | - G. Lucarelli
- International Center for Transplantation in Thalassemia and Sickle Cell Anemia; IME Foundation at Polyclinic of Tor Vergata; Rome Italy
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18
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Gagliani N, Magnani CF, Huber S, Gianolini ME, Pala M, Licona-Limon P, Guo B, Herbert DR, Bulfone A, Trentini F, Di Serio C, Bacchetta R, Andreani M, Brockmann L, Gregori S, Flavell RA, Roncarolo MG. Coexpression of CD49b and LAG-3 identifies human and mouse T regulatory type 1 cells. Nat Med 2013; 19:739-46. [PMID: 23624599 DOI: 10.1038/nm.3179] [Citation(s) in RCA: 590] [Impact Index Per Article: 53.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Accepted: 03/27/2013] [Indexed: 12/12/2022]
Abstract
CD4(+) type 1 T regulatory (Tr1) cells are induced in the periphery and have a pivotal role in promoting and maintaining tolerance. The absence of surface markers that uniquely identify Tr1 cells has limited their study and clinical applications. By gene expression profiling of human Tr1 cell clones, we identified the surface markers CD49b and lymphocyte activation gene 3 (LAG-3) as being stably and selectively coexpressed on mouse and human Tr1 cells. We showed the specificity of these markers in mouse models of intestinal inflammation and helminth infection and in the peripheral blood of healthy volunteers. The coexpression of CD49b and LAG-3 enables the isolation of highly suppressive human Tr1 cells from in vitro anergized cultures and allows the tracking of Tr1 cells in the peripheral blood of subjects who developed tolerance after allogeneic hematopoietic stem cell transplantation. The use of these markers makes it feasible to track Tr1 cells in vivo and purify Tr1 cells for cell therapy to induce or restore tolerance in subjects with immune-mediated diseases.
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Affiliation(s)
- Nicola Gagliani
- San Raffaele Telethon Institute for Gene Therapy (HSR-TIGET), Division of Regenerative Medicine, Stem Cells and Gene Therapy, San Raffaele Scientific Institute, Milan, Italy
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