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Anti-thymocyte globulin

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https://www.readbyqxmd.com/read/28330607/association-between-anti-thymocyte-globulin-exposure-and-survival-outcomes-in-adult-unrelated-haemopoietic-cell-transplantation-a-multicentre-retrospective-pharmacodynamic-cohort-analysis
#1
Rick Admiraal, Stefan Nierkens, Moniek A de Witte, Eefke J Petersen, Ger-Jan Fleurke, Luka Verrest, Svetlana V Belitser, Robbert G M Bredius, Reinier A P Raymakers, Catherijne A J Knibbe, Monique C Minnema, Charlotte van Kesteren, Jurgen Kuball, Jaap J Boelens
BACKGROUND: Anti-thymocyte globulin (ATG) is used to prevent graft-versus-host disease (GvHD) after allogeneic haemopoietic cell transplantation (HCT). However, ATG can also cause delayed immune reconstitution of T cells, negatively affecting survival. We studied the relation between exposure to ATG and clinical outcomes in adult patients with acute leukaemia and myelodysplastic syndrome. METHODS: We did a retrospective, pharmacokinetic-pharmacodynamic analysis of data from patients with acute lymphoid leukaemia, acute myeloid leukaemia, or myelodysplastic syndrome receiving their first T-cell repleted allogeneic peripheral blood stem cell HCT with ATG (thymoglobulin) as part of non-myeloablative conditioning from March 1, 2004, to June 1, 2015...
March 16, 2017: Lancet Haematology
https://www.readbyqxmd.com/read/28330606/anti-thymocyte-globulin-dosing-per-kg-or-per-lymphocyte
#2
Jan Storek
No abstract text is available yet for this article.
March 16, 2017: Lancet Haematology
https://www.readbyqxmd.com/read/28321074/epstein-barr-virus-associated-lymphoproliferative-disorder-with-encephalitis-following-anti-thymocyte-globulin-for-aplastic-anemia-resolved-with-rituximab-therapy-a-case-report-and-literature-review
#3
Kiyomi Mashima, Shingo Yano, Hiroki Yokoyama, Takeshi Saito, Tomohito Machishima, Takaki Shimada, Yuichi Yahagi, Shinobu Takahara, Katsuki Sugiyama, Yoji Ogasawara, Jiro Minami, Yutaro Kamiyama, Atsushi Katsube, Kazuhito Suzuki, Sayaka Ohshima, Hisashi Yamada, Noriko Usui, Keisuke Aiba
Epstein-Barr virus (EBV)-associated lymphoproliferative disorders (LPDs) sometimes occur following Anti-thymocyte globulin (ATG) administration for allogenic stem cell transplantation but are rare in aplastic anemia (AA) patients. A 55-year-old woman with AA following ATG developed refractory fever and was diagnosed with EBV-LPD. She was successfully treated with weekly rituximab monotherapy; however, she developed EBV encephalitis. She was admitted to the intensive care unit and finally recovered from unconsciousness...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28282713/treatment-of-an-early-kaposi-s-sarcoma-case-post-kidney-transplantation-by-sirolimus-a-case-report
#4
Farzaneh Najafi, Parichehr Kafaie, Hossein Neamatzadeh
Kaposi᾽s sarcoma (KS) can develop in 0.06% to 4.1% of kidney transplant recipients. Here we describe a case of 50-year-old man who developed KS a few months after kidney transplantation. After transplantation, he had delayed graft function and was managed by anti-thymocyte globulin (ATG) for five days. At the discharge, his immunosuppressive therapy was prednisolone 20 mg/day, tTacrolimus (Pprograf®) 4 mg/day, and mycophenolate mofetil (MMF) 2 gr/day, while he also took Vvalcyte and diltiazem. Once diagnosed with KS, the Prograf® (tacrolimus)  was replaced by prednisolone (5 mg/day) and sirolimus (2 mg/day)...
February 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28262533/acyclovir-resistant-herpes-simplex-virus-1-infection-early-after-allogeneic-hematopoietic-stem-cell-transplantation-with-t-cell-depletion
#5
Yu Akahoshi, Junya Kanda, Ayumu Ohno, Yusuke Komiya, Ayumi Gomyo, Jin Hayakawa, Naonori Harada, Kazuaki Kameda, Tomotaka Ugai, Hidenori Wada, Yuko Ishihara, Koji Kawamura, Kana Sakamoto, Miki Sato, Kiriko Terasako-Saito, Shun-Ichi Kimura, Misato Kikuchi, Hideki Nakasone, Shinichi Kako, Kimiyasu Shiraki, Yoshinobu Kanda
We previously reported that oral low-dose acyclovir (200 mg/day) for the prevention of herpes simplex virus (HSV) infections after allogenic hematopoietic stem cell transplantation (HSCT) is effective without the emergence of acyclovir-resistant HSV infections. However, HSV infections are of significant concern because the number of allogeneic HSCT with T-cell depletion, which is a risk factor of the emergence of drug-resistant HSV infections, has been increasing. We experienced a 25-year-old female who received allogenic HSCT from an unrelated donor with 1-antigen mismatch using anti-thymocyte globulin...
March 2, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28257450/differential-depletion-of-total-t-cells-and-regulatory-t-cells-and-prolonged-allotransplant-survival-in-cd3%C3%A6-humanized-mice-treated-with-polyclonal-anti-human-thymocyte-globulin
#6
Maja Buszko, Benno Cardini, Rupert Oberhuber, Lukas Oberhuber, Bojana Jakic, Anja Beierfuss, Georg Wick, Giuseppe Cappellano
Thymoglobulin (ATG) is a polyclonal rabbit antibody against human thymocytes used as a T cell-depleting agent to prevent or treat allotransplant rejection. The aim of the present study was to investigate the effect of low dose ATG treatment exclusively on T cells using a humanized BALB/c human CD3Ɛ transgenic mouse model expressing both human and murine T cell receptors (TCR). Mice received a single intravenous (i.v.) injection of ATG. Blood and peripheral lymphoid organs were obtained after different time points...
2017: PloS One
https://www.readbyqxmd.com/read/28255019/a-risk-factor-analysis-of-outcomes-after-unrelated-cord-blood-transplantation-for-children-with-wiskott-aldrich-syndrome
#7
Zhanna Shekhovtsova, Carmem Bonfim, Annalisa Ruggeri, Samantha Nichele, Kristin Page, Amal AlSeraihy, Francisco Barriga, José Sánchez de Toledo Codina, Paul Veys, Jaap Jan Boelens, Karin Mellgren, Henrique Bittencourt, Tracey O' Brien, Peter J Shaw, Alicja Chybicka, Fernanda Volt, Federica Giannotti, Eliane Gluckman, Joanne Kurtzberg, Andrew R Gennery, Vanderson Rocha
Wiskott-Aldrich syndrome is a severe X-linked recessive immune deficiency disorder. A scoring system of Wiskott-Aldrich syndrome severity (0.5-5) distinguishes 2 phenotypes: X-linked thrombocytopenia and classic Wiskott-Aldrich syndrome. Hematopoietic cell transplantation is curative for Wiskott-Aldrich syndrome, however the use of unrelated umbilical cord blood transplantation has seldom been described. We analyzed umbilical cord blood transplantation outcomes for 90 patients. Median age at umbilical cord blood transplantation was 1...
March 2, 2017: Haematologica
https://www.readbyqxmd.com/read/28250777/an-avoidable-cause-of-thymoglobulin-anaphylaxis
#8
S Brabant, A Facon, F Provôt, M Labalette, B Wallaert, C Chenivesse
BACKGROUND: Thymoglobulin® (anti-thymocyte globulin [rabbit]) is a purified pasteurised, gamma immune globulin obtained by immunisation of rabbits with human thymocytes. Anaphylactic allergic reactions to a first injection of thymoglobulin are rare. CASE PRESENTATION: We report a case of serious anaphylactic reaction occurring after a first intraoperative injection of thymoglobulin during renal transplantation in a patient with undiagnosed respiratory allergy to rabbit allergens...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28219580/use-of-anti-thymocyte-globulin-for-induction-therapy-in-cardiac-transplantation-a-review
#9
V Ruan, L S C Czer, M Awad, M Kittleson, J Patel, F Arabia, F Esmailian, D Ramzy, J Chung, M De Robertis, A Trento, J A Kobashigawa
The most common causes of death after heart transplantation (HTx) include acute rejection and multi-organ failure in the early period and malignancy and cardiac allograft vasculopathy (CAV) in the late period. Polyclonal antibody preparations such as rabbit anti-thymocyte globulin (ATG) may reduce early acute rejection and the later occurrence of CAV after HTx. ATG therapy depletes T cells, modulates adhesion and cell-signaling molecules, interferes with dendritic cell function, and induces B-cell apoptosis and regulatory and natural killer T-cell expansion...
March 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28199755/incidence-and-risk-factor-of-hemorrhagic-cystitis-after-allogeneic-transplantation-with-fludarabine-busulfan-and-anti-thymocyte-globulin-myeloablative-conditioning
#10
Wilson Lam, Jan Storek, Haocheng Li, Michelle Geddes, Andrew Daly
BACKGROUND: Hemorrhagic cystitis (HC) is a complication of allogeneic stem cell transplantation (SCT), associated with factors such as BK polyomavirus reactivation, age, conditioning regimen, and presence of graft-versus-host disease (GVHD). The incidence and impact of HC in patients receiving fludarabine (Flu), busulfan (Bu), and anti-thymocyte globulin (ATG) conditioning is unknown. METHODS: We conducted a case-control study of patients undergoing SCT at our center between January 1, 2003 and Dec 31, 2012, to determine the incidence of HC and its effect on patient outcomes including overall survival (OS), relapse, non-relapse mortality, GVHD, and healthcare resource use...
February 15, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28198767/anti-gal-and-anti-neu5gc-responses-in-nonimmunosuppressed-patients-following-treatment-with-rabbit-anti-thymocyte-polyclonal-iggs
#11
Apolline Salama, Gwénaëlle Evanno, Noha Lim, Juliette Rousse, Ludmilla Le Berre, Arnaud Nicot, Sophie Brouard, Kristina M Harris, Mario R Ehlers, Stephen E Gitelman, Jean-Paul Soulillou
BACKGROUND: Polyclonal anti-human thymocyte rabbit IgGs (anti-thymocyte globulin, ATG) are popular immunosuppressive drugs used to prevent or treat organ or bone-marrow allograft rejection, graft versus host disease, and autoimmune diseases. However, animal-derived glycoproteins are also strongly immunogenic and rabbit ATG induces serum sickness disease in almost all patients without additional immunosuppressive drugs, as seen in the START trial of ATG therapy in new-onset type 1 diabetes...
February 14, 2017: Transplantation
https://www.readbyqxmd.com/read/28198173/delphi-based-study-and-analysis-of-key-risk-factors-for-invasive-fungal-infection-in-haematological-patients
#12
L Vázquez, M Salavert, J Gayoso, M Lizasoaín, I Ruiz Camps, N Di Benedetto
OBJECTIVE: Mortality caused by invasive fungal infections due to filamentous fungi (IFI-FF) is high. Predisposing factors to IFI-FF are multiple and should be stratified. The objective of this study was to identify key risk factors for IFI-FF in onco-haematological patients in different clinical settings. METHODS: Prospective national Delphi study. Risk factors for IFI-FF in patients with onco-haematological diseases were identified by a systematic review of the literature...
April 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28179273/radiation-free-alternative-donor-hct-for-fanconi-anemia-patients-results-from-a-prospective-multi-institutional-study
#13
Parinda A Mehta, Stella M Davies, Thomas Leemhuis, Kasiani Myers, Nancy A Kernan, Susan E Prockop, Andromachi Scaradavou, Richard J O'Reilly, David A Williams, Leslie Lehmann, Eva Guinan, David Margolis, K Scott Baker, Adam Lane, Farid Boulad
Fanconi anemia (FA) is an inherited bone marrow failure syndrome characterized by chromosomal fragility, progressive marrow failure and cancer predisposition. Hematopoietic cell transplantation (HCT) is curative for FA-related marrow failure or leukemia, but both radiation exposure during transplant and graft-versus host disease (GVHD) may increase risk of later malignancies of the head and neck and anogenital area. In this study we tested a radiation-free conditioning regimen with a T-cell depleted graft to eliminate radiation exposure and minimize early as well as late toxicities of transplant...
February 8, 2017: Blood
https://www.readbyqxmd.com/read/28169418/allogeneic-transplantation-using-cd34-selected-peripheral-blood-progenitor-cells-combined-with-non-mobilized-donor-t%C3%A2-cells-for-refractory-severe-aplastic-anaemia
#14
Enkhtsetseg Purev, Xin Tian, Georg Aue, Jeremy Pantin, Phuong Vo, Reem Shalabi, Robert N Reger, Lisa Cook, Catalina Ramos, Elena Cho, Tat'yana Worthy, Hanh Khuu, David Stroncek, Neal S Young, Richard W Childs
Allogeneic haematopoietic stem cell transplantation is curative for severe aplastic anaemia (SAA) unresponsive to immunosuppressive therapy. To reduce chronic graft-versus-host disease (GVHD), which occurs more frequently after peripheral blood stem cell (PBSC) transplantation compared to bone-marrow transplantation (BMT), and to prevent graft rejection, we developed a novel partial T-cell depleted transplant that infuses high numbers of granulocyte colony-stimulating factor-mobilized CD34(+) selected PBSCs combined with a BMT-equivalent dose of non-mobilized donor T-cells...
March 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28164503/association-of-hla-types-with-non-specific-binding-of-negative-control-beads-in-luminex-panel-reactive-antibody-pra-screening-assay
#15
Nuri Lee, Hee Sue Park, Ji Won In, Eun Youn Roh, Sue Shin, Kyoung Un Park, Eun Young Song
BACKGROUND: Luminex panel reactive antibody (PRA) screening assays using microbeads are widely used for organ transplantation. Anti-HLA serum reactivity is calculated by correcting for non-specific binding to the negative control (NC) beads. High mean fluorescence intensity (MFI) value of NC beads are observed in some patients and can result in false negative results in the PRA screening assay. We analyzed the clinical characteristics and HLA types of those patients with high MFI values of NC beads...
January 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28130881/transplantation-of-hepatocytes-from-genetically-engineered-pigs-into-baboons
#16
Hayato Iwase, Hong Liu, Eva Schmelzer, Mohamed Ezzelarab, Martin Wijkstrom, Hidetaka Hara, Whayoung Lee, Jagjit Singh, Cassandra Long, Eric Lagasse, Jörg C Gerlach, David K C Cooper, Bruno Gridelli
BACKGROUND: Some patients with acute or acute-on-chronic hepatic failure die before a suitable human liver allograft becomes available. Encouraging results have been achieved in such patients by the transplantation of human hepatocyte progenitor cells from fetal liver tissue. The aim of the study was to explore survival of hepatocytes from genetically engineered pigs after direct injection into the spleen and other selected sites in immunosuppressed baboons to monitor the immune response and the metabolic function and survival of the transplanted hepatocytes...
January 28, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28118857/impact-of-in-vivo-t-cell-depletion-in-hla-identical-allogeneic-stem-cell-transplantation-for-acute-myeloid-leukemia-in-first-complete-remission-conditioned-with-a-fludarabine-iv-busulfan-myeloablative-regimen-a-report-from-the-ebmt-acute-leukemia-working-party
#17
Marie Thérèse Rubio, Maud D'Aveni-Piney, Myriam Labopin, Rose-Marie Hamladji, Miguel A Sanz, Didier Blaise, Hakan Ozdogu, Etienne Daguindeau, Carlos Richard, Stella Santarone, Giuseppe Irrera, Ibrahim Yakoub-Agha, Moshe Yeshurun, Jose L Diez-Martin, Mohamad Mohty, Bipin N Savani, Arnon Nagler
BACKGROUND: The impact of the use of anti-thymocyte globulin (ATG) in allogeneic stem cell transplantation performed with HLA-identical sibling donors following fludarabine and 4 days intravenous busulfan myeloablative conditioning regimen has been poorly explored. METHODS: We retrospectively analyzed 566 patients who underwent a first HLA-identical allogeneic stem cell transplantation with this conditioning regimen for acute myeloid leukemia in first complete remission between 2006 and 2013 and compared the outcomes of 145 (25...
January 24, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28104135/renal-allograft-aspergillus-infection-presenting-with-obstructive-uropathy-a-case-report
#18
L Sadagah, M Alharbi, M Alshomrani, A Almalki
BACKGROUND: Isolated renal allograft aspergillosis is rare and usually presents with fever and decreased glomerular filtration rate. Presentation with obstructive uropathy caused by aspergillus fungal balls is much less common. We report a young male patient who presented with obstructive uropathy secondary to isolated renal allograft aspergillus infection 6 weeks after transplant. He was treated with nephrectomy and antifungal medications. CASE PRESENTATION: A 29-year-old Saudi male patient had a recent living non-related kidney transplantation in Pakistan...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28062916/low-dose-anti-thymocyte-globulin-reduce-severe-acute-and-chronic-graft-versus-host-disease-after-allogeneic-stem-cell-transplantation
#19
Osamu Imataki, Kensuke Matsumoto, Makiko Uemura
BACKGROUND: Anti-thymocyte globulin (ATG) administered at 5-10 mg/kg can prevent graft-versus-host disease (GVHD). We sought to investigate the potential for lower doses of ATG to decrease non-relapse mortality (NRM). METHODS: We consecutively compared the outcomes of patients with hematological diseases who received allogeneic stem cell transplants from allogeneic related or unrelated donors before February 2010 and were not administered ATG (reference arm), with those administered 2...
April 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28013483/spousal-hematopoietic-stem-cell-transplantation
#20
Kazuhiro Ikegame, Katsuji Kaida, Satoshi Yoshihara, Kyoko Yoshihara, Shinichi Ishii, Takayuki Inoue, Masaya Okada, Hiroya Tamaki, Toshihiro Soma, Yasushi Kusunoki, Hiroto Kojima, Hiroh Saji, Hiroyasu Ogawa
We report a pilot series of five patients who received stem cell transplantation (SCT) from a spouse for post-transplant relapse or rejection. The inclusion criterion regarding HLA disparities was three or fewer antigen mismatches in the graft-versus-host direction at the HLA-A, B, and DR loci. Four patients received spousal SCT as a third transplant attempt after post-transplant relapse and one as rescue for graft rejection. The reduced intensity conditioning (RIC) regimen consisted of fludarabine, melphalan, and anti-thymocyte globulin (ATG) with 3 Gy of total body irradiation (TBI) for relapse cases and ATG plus 4 Gy of TBI for the rejection case...
December 24, 2016: International Journal of Hematology
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