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refractory rejection

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https://www.readbyqxmd.com/read/29119293/asparaginase-erwinia-chrysanthemi-effectively-depletes-plasma-glutamine-in-adult-patients-with-relapsed-refractory-acute-myeloid-leukemia
#1
Ashkan Emadi, Jennie Y Law, Erin T Strovel, Rena G Lapidus, Linda J B Jeng, Myounghee Lee, Miriam G Blitzer, Brandon A Carter-Cooper, Danielle Sewell, Isabella Van Der Merwe, Sunita Philip, Mohammad Imran, Stephen L Yu, Hongxia Li, Philip C Amrein, Vu H Duong, Edward A Sausville, Maria R Baer, Amir T Fathi, Zeba Singh, Søren M Bentzen
Depletion of glutamine (Gln) has emerged as a potential therapeutic approach in the treatment of acute myeloid leukemia (AML), as neoplastic cells require Gln for synthesis of cellular components essential for survival. Asparaginases deplete Gln, and asparaginase derived from Erwinia chrysanthemi (Erwinaze) appears to have the greatest glutaminase activity of the available asparaginases. In this Phase I study, we sought to determine the dose of Erwinaze that safely and effectively depletes plasma Gln levels to ≤ 120 μmol/L in patients with relapsed or refractory (R/R) AML...
November 8, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28946961/secondary-thrombotic-microangiopathy-and-eculizumab-a-reasonable-therapeutic-option
#2
Elena Román, Santiago Mendizábal, Isidro Jarque, Javier de la Rubia, Amparo Sempere, Enrique Morales, Manuel Praga, Ana Ávila, José Luis Górriz
Understanding the role of the complement system in the pathogenesis of atypical haemolytic uraemic syndrome and other thrombotic microangiopathies (TMA) has led to the use of anti-complement therapy with eculizumab in these diseases, in addition to its original use in patients with paroxysmal nocturnal haemoglobinuria andatypical haemolytic uraemic syndrome. Scientific evidence shows that both primary and secondary TMAs with underlying complement activation are closely related. For this reasons, control over the complement system is a therapeutic target...
September 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28945205/post-transplant-recurrent-bile-salt-export-pump-disease-a-form-of-antibody-mediated-graft-dysfunction-and-utilization-of-c4d
#3
Kalyani R Patel, Sanjiv Harpavat, Milton Finegold, Karen Eldin, John Hicks, Mihail Firan, Verena Keitel, Ralf Kubitz, Hao Wu
Recurrent bile salt export pump (rBSEP) disease has been reported in progressive familial intrahepatic cholestasis type 2 (PFIC2) patients following liver transplantation (LT) and is often refractory to standard anti-cellular rejection immunosuppressants. The mechanism of rBSEP disease is proposed to be a form of type II hypersensitivity reaction with de novo anti-BSEP antibodies blocking the function of allograft BSEP. Utilization of C4d has not been evaluated in rBSEP. We describe a girl with 3 episodes of rBSEP with severe pruritus at 8...
October 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28884635/psoriasis-in-solid-organ-transplant-patients-best-practice-recommendations-from-the-medical-board-of-the-national-psoriasis-foundation
#4
Ronald Prussick, Jashin J Wu, April W Armstrong, Michael P Siegel, Abby S Van Voorhees
BACKGROUND: Treatment of solid organ-transplant patients who have psoriasis can be a therapeutic challenge. Biologic and systemic drugs used to treat psoriasis can result in an increase in infections or malignancies. OBJECTIVE: We sought to develop a treatment algorithm for organ transplant recipients (OTR) diagnosed with psoriasis vulgaris. METHODS: A systematic literature search for psoriasis treatment in organ transplant patients was performed using MEDLINE and GOOGLE...
September 8, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28845319/diagnostic-lessons-from-a-complex-case-of-postintestinal-transplantation-enteropathy
#5
Cian Wade, Philip Allan, Elena Collantes, Srikanth R Reddy, Peter J Friend, Georgios Vrakas
Recent advances in the field of intestinal transplantation have been mitigated by the incidence of allograft rejection. In such events, early identification and appropriate timing of antirejection therapy are crucial in retaining graft function. We present the case of a patient who suffered severe postintestinal transplantation allograft enteropathy, primarily characterized by extensive mucosal ulcerations, and was refractory to all conventional therapy. This progressed as chronic rejection; however crucially this was not definitively diagnosed until allograft function had irreversibly diminished...
2017: Case Reports in Transplantation
https://www.readbyqxmd.com/read/28835328/positional-skull-deformities
#6
Christian Linz, Felix Kunz, Hartmut Böhm, Tilmann Schweitzer
BACKGROUND: Especially in the first 6 months of life, skull deformities manifesting as a uni- or bilateral flattening of the occiput often give rise to questions of differential diagnosis and potential treatment. In this review, the authors summarize the current understanding of risk factors for this condition, and the current state of the relevant diagnostic assessment and options for treatment. METHODS: The recommendations given in this selective review of the literature are based on current studies and on existing guidelines on the prevention of sudden infant death, the recommendations of the German Society for Pediatric Neurology (Deutsche Gesellschaft für Neuropädiatrie), and the American guidelines on the treatment of positional plagiocephaly in infancy...
August 7, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28817391/tacrolimus-eye-drops-as-adjunct-therapy-in-severe-corneal-endothelial-rejection-refractory-to-corticosteroids
#7
Reza Ghaffari, Hamed Ghassemi, Mehran Zarei-Ghanavati, Golshan Latifi, Shima Dehghani, Zeeshan Haq, Ali R Djalilian
PURPOSE: To evaluate the safety and efficacy of tacrolimus eye drops as adjunctive therapy in the treatment of severe corneal endothelial rejection after penetrating keratoplasty refractory to corticosteroids. METHODS: In this prospective interventional case series, 11 eyes of 11 patients assessed for severe corneal endothelial rejection, with an inadequate response to topical, local, and systemic corticosteroids, were treated with either 0.01% or 0.05% tacrolimus eye drops 4 times daily...
October 2017: Cornea
https://www.readbyqxmd.com/read/28780238/t-cell-receptor-%C3%AE-%C3%AE-and-cd19-cell-depleted-haploidentical-and-mismatched-hematopoietic-stem-cell-transplantation-in-primary-immune-deficiency
#8
Ravi M Shah, Reem Elfeky, Zohreh Nademi, Waseem Qasim, Persis Amrolia, Robert Chiesa, Kanchan Rao, Giovanna Lucchini, Juliana M F Silva, Austen Worth, Dawn Barge, David Ryan, Jane Conn, Andrew J Cant, Roderick Skinner, Intan Juliana Abd Hamid, Terence Flood, Mario Abinun, Sophie Hambleton, Andrew R Gennery, Paul Veys, Mary Slatter
BACKGROUND: Allogeneic hematopoietic stem cell transplantation (HSCT) is used as a therapeutic approach for primary immunodeficiencies (PIDs). The best outcomes have been achieved with HLA-matched donors, but when a matched donor is not available, a haploidentical or mismatched unrelated donor (mMUD) can be useful. Various strategies are used to mitigate the risk of graft-versus-host disease (GvHD) and rejection associated with such transplants. OBJECTIVE: We sought to evaluate the outcomes of haploidentical or mMUD HSCT after depleting GvHD-causing T-cell receptor (TCR) αβ CD3(+) cells from the graft...
August 3, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28767535/refractory-vascular-rejection-in-a-hand-allograft-in-the-presence-of-antibodies-against-angiotensin-ii-type-1-receptor
#9
Karen M Dwyer, Robert Carroll, Prue Hill, Samantha Bateman, Chris Baker, Robyn G Langham, Wayne Morrison
No abstract text is available yet for this article.
November 2017: Transplantation
https://www.readbyqxmd.com/read/28724302/efficacy-and-safety-of-vedolizumab-as-a-treatment-option-for-moderate-to-severe-refractory-ulcerative-colitis-in-two-patients-after-liver-transplant-due-to-primary-sclerosing-cholangitis
#10
Raúl Vicente Olmedo Martín, Víctor Amo Trillo, Rocío González Grande, Miguel Jiménez Pérez
Vedolizumab is a humanized IgG1 monoclonal antibody that selectively blocks the lymphocyte integrin α4β7 and prevents its interaction with endothelial adhesion molecules and subsequent transmigration to the gastrointestinal tract. The drug was approved in 2014 for the induction and maintenance treatment of ulcerative colitis and moderate to severe Crohn's disease that is refractory or intolerant to conventional treatment with corticoids and immunosuppressants and/or anti-TNFα drugs. However, inflammatory bowel disease has a variable behavior following liver transplant...
September 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28643391/fatal-orthotopic-liver-transplant-organ-rejection-induced-by-a-checkpoint-inhibitor-in-two-patients-with-refractory-metastatic-hepatocellular-carcinoma
#11
Brian D Friend, Robert S Venick, Sue V McDiarmid, Xiaoyan Zhou, Bita Naini, Hanlin Wang, Douglas G Farmer, Ronald W Busuttil, Noah Federman
Although checkpoint inhibitor therapies have demonstrated significant efficacy in many malignancies, they have not been well studied in patients with a history of solid organ transplant. We describe two patients with recurrent, refractory, and progressive advanced fibrolamellar hepatocellular carcinoma (HCC) following orthotopic liver transplantation who received programmed cell death protein 1 (PD-1) inhibitor, nivolumab, on a patient access, off-label basis. Both rapidly developed irreversible acute liver rejection shortly after starting therapy, and ultimately died...
December 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28589389/-safety-and-efficacy-of-off-label-use-of-biologic-therapies-in-patients-with-inflammatory-rheumatic-diseases-refractory-to-standard-of-care-therapy-data-from-a%C3%A2-nationwide-german-registry-graid2
#12
F Proft, H Schulze-Koops, M Grunke, E Schrezenmeier, F Halleck, J Henes, L Unger, E Schmidt, C Fiehn, A Jacobi, C Iking-Konert, C Kneitz, R E Schmidt, B Bannert, R E Voll, R Fischer-Betz, I Kötter, H P Tony, J Holle, M Aringer, A Erler, F Behrens, G R Burmester, T Dörner
BACKGROUND: The German Registry of Autoimmune Diseases 2 (GRAID2) is a retrospective, non-interventional, multicenter registry study collecting data from patients with inflammatory, mainly rheumatic diseases refractory to standard of care therapy and treated with an off-label biologic therapy. The retrospective documentation comprised case history, diagnosis, course of disease (including safety and global efficacy). The objective was to evaluate the global clinical outcome and safety of off-label biologic therapy in clinical practice...
June 6, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28573901/a-case-report-of-parvovirus-b19-infection-in-a-renal-allograft
#13
Diana M Oramas, Suman Setty, Vijay Yeldandi, Julio Cabrera, Tushar Patel
Parvovirus B19 infection is undiagnosed in recipients undergoing solid organ transplantation. It is usually responsible for unexplained acute and chronic red blood cell aplasia that does not respond to erythropoietin therapy. Cases of parvovirus B19 infection associated with pancytopenia, solid organ dysfunction, and allograft rejection have been described in the literature. The deterioration of the immune system as a result of severe immunotherapy favors the reactivation of a previous infection or the acquisition of a new one...
June 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28394814/percutaneous-mechanical-circulatory-support-using-impella%C3%A2-devices-for-decompensated-cardiogenic-shock-a-pediatric-heart-center-experience
#14
Dhaval Parekh, Aamir Jeewa, Sebastian C Tume, William J Dreyer, Ricardo Pignatelli, David Horne, Henri Justino, Athar M Qureshi
Cardiogenic shock remains a significant cause of mortality and morbidity in children with heart failure. Percutaneous mechanical circulatory support may be an additional tool to augment left heart support and decompression in addition to conventional therapies. This report aims to review the clinical and hemodynamic outcomes of the Impella® device at a pediatric center. A retrospective review of all implants between October 2014 and November 2016 was conducted. Clinical outcomes, device implant techniques, complications, and hemodynamic data were collected...
April 6, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28366682/indications-for-lung-resection-surgery-and-lung-transplant-in-south-american-children-with-cystic-fibrosis
#15
REVIEW
Fabíola Villac Adde, Sílvia Vidal Campos, Ricardo Henrique de Oliveira Braga Teixeira, Joaquim Carlos Rodrigues
The current available literature evaluating lung resection surgery and lung transplantation in children with cystic fibrosis (CF) was reviewed through a PubMed search and references from selected studies were additionally included. Pulmonary resections, i.e. lobectomy, segmentectomy, and pneumonectomy, are seldom performed in CF. The main indications, in patients with a forced expiratory volume in 1second (FEV1) that is greater than 30% predicted, are localized bronchiectasis/atelectasis, severe hemoptysis, and bronchopleural fistula refractory to medical management...
February 16, 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28289079/deletion-of-f4l-ribonucleotide-reductase-in-vaccinia-virus-produces-a-selective-oncolytic-virus-and-promotes-anti-tumor-immunity-with-superior-safety-in-bladder-cancer-models
#16
Kyle G Potts, Chad R Irwin, Nicole A Favis, Desmond B Pink, Krista M Vincent, John D Lewis, Ronald B Moore, Mary M Hitt, David H Evans
Bladder cancer has a recurrence rate of up to 80% and many patients require multiple treatments that often fail, eventually leading to disease progression. In particular, standard of care for high-grade disease, Bacillus Calmette-Guérin (BCG), fails in 30% of patients. We have generated a novel oncolytic vaccinia virus (VACV) by mutating the F4L gene that encodes the virus homolog of the cell-cycle-regulated small subunit of ribonucleotide reductase (RRM2). The F4L-deleted VACVs are highly attenuated in normal tissues, and since cancer cells commonly express elevated RRM2 levels, have tumor-selective replication and cell killing...
May 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28243893/successful-management-of-antibody-mediated-rejection-after-cardiac-transplantation-in-a-patient-supported-by-a-left-ventricular-assist-device-for-more-than-3%C3%A2-years
#17
Masatoshi Akiyama, Shingo Takahara, Satoshi Kawatsu, Yoichi Endo, Junko Fujiwara, Osamu Adachi, Kiichiro Kumagai, Shunsuke Kawamoto, Yoshikatsu Saiki
Due to donor shortage, patients with refractory heart failure need to be supported on mechanical circulatory support (MCS). Critically, patients undergo several deployments of MCS in stages inevitably requiring blood products transfusion. MCSs per se along with blood products can trigger immune allosensitization. Antibody-mediated rejection (AMR) is associated with significant mortality after heart transplantation. Here, we present the case with high panel-reactive antibody over 95% who developed AMR early after heart transplantation...
February 27, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28217369/regenerative-medicine-using-dental-pulp-stem-cells-for-liver-diseases
#18
EDITORIAL
Shogo Ohkoshi, Hajime Hara, Haruka Hirono, Kazuhiko Watanabe, Katsuhiko Hasegawa
Acute liver failure is a refractory disease and its prognosis, if not treated using liver transplantation, is extremely poor. It is a good candidate for regenerative medicine, where stem cell-based therapies play a central role. Mesenchymal stem cells (MSCs) are known to differentiate into multiple cell lineages including hepatocytes. Autologous cell transplant without any foreign gene induction is feasible using MSCs, thereby avoiding possible risks of tumorigenesis and immune rejection. Dental pulp also contains an MSC population that differentiates into hepatocytes...
February 6, 2017: World Journal of Gastrointestinal Pharmacology and Therapeutics
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
#19
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/28168079/successful-treatment-of-plasma-cell-rich-acute-rejection-using-pulse-steroid-therapy-alone-a-case-report
#20
Yo Komatsuzaki, Yasuyuki Nakada, Izumi Yamamoto, Mayuko Kawabe, Takafumi Yamakawa, Ai Katsuma, Haruki Katsumata, Aki Mafune, Akimitsu Kobayashi, Yusuke Koike, Hiroki Yamada, Jun Miki, Yudo Tanno, Ichiro Ohkido, Nobuo Tsuboi, Keitaro Yokoyama, Hiroyasu Yamamoto, Takashi Yokoo
Despite the recent development of immunosuppressive agents, plasma cell-rich acute rejection (PCAR) has remained refractory to treatment. Herein, we report an unusual case of PCAR that responded well to pulse steroid therapy alone. A 47-year-old man was admitted for a protocol biopsy three months after kidney transplantation, with a stable serum creatinine level of 1.6 mg/dL. Histological examination showed focal aggressive tubulointerstitial inflammatory cell infiltration of predominantly polyclonal mature plasma cells, leading to our diagnosis of PCAR...
2017: Case Reports in Transplantation
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