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Antonella Mancusi, Loredana Ruggeri, Andrea Velardi
The present review describes the biology of human leukocyte antigen (HLA) haplotype mismatched ("haploidentical") transplantation, its translation to clinical practice to cure leukemia and the results of current transplantation protocols. The 1990s saw what had been major drawbacks of haploidentical transplantation, i.e., very strong host-versus-graft and graft-versus-host alloresponses which led respectively to rejection and graft-versus-host disease (GVHD), being overcome through transplantation of a "mega-dose" of T cell-depleted peripheral blood hematopoietic progenitor cells and no posttransplant pharmacological immunosuppression...
October 3, 2016: Blood
C Cho, M A Perales
No abstract text is available yet for this article.
September 26, 2016: Bone Marrow Transplantation
A Nazha, L Rybicki, D Abounader, B Bolwell, R Dean, A T Gerds, D Jagadeesh, B K Hamilton, B T Hill, M Kalaycio, H Liu, B Pohlman, R Sobecks, M A Sekeres, N S Majhail
No abstract text is available yet for this article.
October 10, 2016: Bone Marrow Transplantation
Kenneth R Cooke, Leo Luznik, Stefanie Sarantopoulos, Frances T Hakim, Madan Jagasia, Daniel H Fowler, Marcel R M van den Brink, John A Hansen, Robertson Parkman, David B Miklos, Paul J Martin, Sophie Paczesny, Georgia Vogelsang, Steven Pavletic, Jerome Ritz, Kirk R Schultz, Bruce R Blazar
Chronic graft-versus-host disease (GVHD) is the leading cause of late, non-relapse, mortality and disability in allogeneic hematopoietic cell transplantation (HCT) patients and a major obstacle to improving outcomes. Chronic GVHD biology remains enigmatic, but understanding the underpinnings of the immunologic mechanisms responsible for the initiation and progression of disease is fundamental to developing effective prevention and treatment strategies. The goals of this task force review are as follows: • Summarize the current "state-of-the-science" regarding pathogenic mechanisms of chronic GVHD and critical knowledge gaps...
October 3, 2016: Biology of Blood and Marrow Transplantation
Ayami Yoshimi, Helen Baldomero, Mary Horowitz, Jeff Szer, Dietger Niederwieser, Alois Gratwohl, Yoshihisa Kodera
No abstract text is available yet for this article.
January 12, 2016: JAMA: the Journal of the American Medical Association
Rahul Palchaudhuri, Borja Saez, Jonathan Hoggatt, Amir Schajnovitz, David B Sykes, Tiffany A Tate, Agnieszka Czechowicz, Youmna Kfoury, Fnu Ruchika, Derrick J Rossi, Gregory L Verdine, Michael K Mansour, David T Scadden
Hematopoietic stem cell transplantation (HSCT) offers curative therapy for patients with hemoglobinopathies, congenital immunodeficiencies, and other conditions, possibly including AIDS. Autologous HSCT using genetically corrected cells would avoid the risk of graft-versus-host disease (GVHD), but the genotoxicity of conditioning remains a substantial barrier to the development of this approach. Here we report an internalizing immunotoxin targeting the hematopoietic-cell-restricted CD45 receptor that effectively conditions immunocompetent mice...
July 2016: Nature Biotechnology
M Slade, B Fakhri, B N Savani, R Romee
In recent years, the use of haploidentical donors for hematopoietic cell transplantation has expanded rapidly. Approximately 50% of patients requiring hematopoietic cell transplant lack a traditional donor. The use of HLA haploidentical-related donors is attractive due to nearly universal availability of this graft source. We summarize the current and future need for haploidentical donors and detail the rise of post-transplant cyclophosphamide as the dominant haploidentical approach. Further, we examine ongoing controversies in the field of haploidentical transplant, including conditioning regimens and graft source...
July 25, 2016: Bone Marrow Transplantation
J Whangbo, J Ritz, A Bhatt
Allogeneic hematopoietic stem cell transplantation (HSCT) is curative for many patients with severe benign and malignant hematologic disorders. The success of allogeneic HSCT is limited by the development of transplant-related complications such as acute graft-versus-host disease (GvHD). Early pre-clinical studies suggested that intestinal microflora contribute to the pathogenesis of acute GvHD, and that growth suppression or eradication of intestinal bacteria prevented the development of acute GvHD even in MHC-mismatched transplants...
August 15, 2016: Bone Marrow Transplantation
William A Wood, Margaret K McGinn, Doug Wilson, Allison M Deal, Nandita Khera, Thomas C Shea, Steven M Devine, Frederick R Appelbaum, Mary M Horowitz, Stephanie J Lee
Hematopoietic cell transplantation can cure many high-risk diseases but is associated with complexity, cost, and risk. Several areas in transplantation practice were identified in the 2014 Blood and Marrow Transplant Clinical Trials Network State of the Science Symposium (BMT CTN SOSS) as high priorities for further study. We developed a survey for hematopoietic cell transplantation clinicians to identify current practices in BMT CTN SOSS priority areas and to understand, more generally, the variation in approach to transplantation and estimation of transplantation benefit in current medical practice...
November 2016: Biology of Blood and Marrow Transplantation
Matthew S Davids, Haesook T Kim, Pavan Bachireddy, Caitlin Costello, Rebecca Liguori, Alexandra Savell, Alexander P Lukez, David Avigan, Yi-Bin Chen, Peter McSweeney, Nicole R LeBoeuf, Michael S Rooney, Michaela Bowden, Chensheng W Zhou, Scott R Granter, Jason L Hornick, Scott J Rodig, Masahiro Hirakawa, Mariano Severgnini, F Stephen Hodi, Catherine J Wu, Vincent T Ho, Corey Cutler, John Koreth, Edwin P Alyea, Joseph H Antin, Philippe Armand, Howard Streicher, Edward D Ball, Jerome Ritz, Asad Bashey, Robert J Soiffer
BACKGROUND: Loss of donor-mediated immune antitumor activity after allogeneic hematopoietic stem-cell transplantation (HSCT) permits relapse of hematologic cancers. We hypothesized that immune checkpoint blockade established by targeting cytotoxic T-lymphocyte-associated protein 4 with ipilimumab could restore antitumor reactivity through a graft-versus-tumor effect. METHODS: We conducted a phase 1/1b multicenter, investigator-initiated study to determine the safety and efficacy of ipilimumab in patients with relapsed hematologic cancer after allogeneic HSCT...
July 14, 2016: New England Journal of Medicine
Lauren M Curtis, Steven Z Pavletic
No abstract text is available yet for this article.
July 7, 2016: Blood
Edward Renaudon-Smith, Josu De La Fuente, Barbara J Bain
No abstract text is available yet for this article.
June 27, 2016: American Journal of Hematology
Sebastian Giebel, Anna Czyz, Oliver Ottmann, Frederic Baron, Eolia Brissot, Fabio Ciceri, Jan J Cornelissen, Jordi Esteve, Norbert-Claude Gorin, Bipin Savani, Christoph Schmid, Mohamad Mohty, Arnon Nagler
Allogeneic hematopoietic stem cell transplantation (alloHSCT) is a standard of care for patients with Philadelphia chromosome (Ph)-positive acute lymphoblastic leukemia (ALL). The introduction of tyrosine kinase inhibitors (TKIs) to first-line therapy has improved overall outcomes; however, a significant proportion of patients still relapse after alloHSCT. Posttransplant TKI maintenance was demonstrated to reduce the risk of relapse in a large retrospective study and, therefore, should be considered a valuable option...
October 2016: Cancer
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