ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Immunosuppression"

  • 2018 American Transplant Congress

    Prolonged Graft Survival in Old Recipients is Abrogated by Immunosuppressive Treatment with CTLA4-Ig

    T. Heinbokel,1 M. Quante,1,2 K. Edtinger,1 K. Minami,1 Y. Nian,1 A. Lau,1 A. Elkhal,1 S. Tullius.1

    1Transplant Surgery Research Lab, Brigham and Women's Hospital, Boston, MA; 2Department of General, Visceral and Transplant Surgery, Tuebingen Unversity Hospital, Tuebingen, Germany.

    Although they represent a rapidly growing population, elderly organ transplant recipients are underrepresented in clinical trials. Age-specific aspects of established immunosuppressants are therefore poorly understood.Here,…
  • 2018 American Transplant Congress

    Impact of Rapid Discontinuation of Prednisone on Kidney Transplant Outcomes in At-Risk Subpopulations: An OPTN/SRTR Analysis

    D. Vock,1 A. Matas.2

    1Public Health, U of MN, Mpls, MN; 2Surgery, U of MN, Mpls, MN.

    Objective: Successful RDP (rapid discontinuation of prednisone <1 week post-tx) after kidney transplant (KTx) has been reported for low-risk populations. We studied the impact of…
  • 2018 American Transplant Congress

    Dynamics of CD25-Positive Myeloid Suppressor Cells in Solid Organ Transplanted Patients and Relationship with Rejection

    A. Utrero-Rico,1 R. Laguna-Goya,1 F. Cano-Romero,1 E. Gómez-Massa,2 M. Fernandez-Ruiz,3 J. Aguado,3 E. Mancebo-Sierra,2 M. Castro-Panete,2 E. Paz-Artal.1,2

    1Immunodeficiencies and Transplant Immunology Group, Research Institute of Hospital 12 de Octubre (i+12), Madrid, Spain; 2Immunology, Hospital 12 de Octubre, Madrid, Spain; 3Infectious Diseases, Hospital 12 de Octubre, Madrid, Spain.

    Background: Myeloid derived suppressor cells (MDSC) are immature cells with immunosuppressive capacities. Three MDSC subsets are currently defined: monocytic, early stage, and polymorphonuclear MDSC (M-MDSC,…
  • 2018 American Transplant Congress

    Malignancy Complications after Kidney Transplantation, the Role of Immunosuppression

    M. Molina,1 J. Cabrera,2 E. Gonzalez,1 A. Hernández,1 N. Polanco,1 A. Andres.1

    1Nephrology Department, Hospital Universitario 12 de Octubre, Madrid, Spain; 2Nephrology Department, Hospital Evangelico, Montevideo, Uruguay.

    Introduction: Immunosuppression therapy is essential to avoid rejection after kidney transplantation. The chronic use of this drugs increases the risk of malignancy compared to general…
  • 2018 American Transplant Congress

    Reduction in Circulating CD19+CD24+CD27+ Regulatory B Cell Frequency Predicts Acute Rejection in Liver Transplant Patients

    H. Zhou, Z. Rao, Y. Lu, J. Rao, J. Gu, L. Lu, Y. Xia.

    Liver Transplant Center, First Affiliated Hospital of Nanjing Medical University, Nanjing, China.

    Background: Accumulating evidence suggests that regulatory B cells (Bregs) play an important role in modulating inflammation and autoimmune diseases. However, whether Bregs regulate acute liver…
  • 2018 American Transplant Congress

    Single-Dose Pharmacokinetics and Pharmacodynamics of Belatacept in Adolescent Kidney Transplant Recipients

    A. Moudgil,1 V. Dharnidharka,2 D. Feig,3 B. Warshaw,4 V. Perera,5 B. Murthy,5 M. Roberts,5 M. Polinsky,5 R. Ettenger.6

    1Children's National Medical Center, Washington, DC; 2Washington University, St. Louis, MO; 3University of Alabama, Birmingham, AL; 4Emory University & Children's Healthcare of Atlanta, Atlanta, GA; 5Bristol-Myers Squibb, Lawrenceville, NJ; 6University of California, Los Angeles, CA.

    Purpose: To assess the pharmacokinetics (PK) and pharmacodynamic (PD) effect of a single dose of belatacept (bela) administered to adolescent kidney transplant recipients (KTR).Methods: In…
  • 2018 American Transplant Congress

    Alemtuzumab Induction as a Mediator of Nonadherence in Renal Transplantation

    G. Mitro, O. Ekwenna, M. Rees, J. Ortiz.

    University of Toledo College of Medicine, Toledo, OH.

    Introduction: “Non-adherent” (NA) is defined as chronic follow-up absenteeism or medication nonadherence. We aimed to determine whether the single-dosing schedule of Alemtuzumab (Ale) may limit…
  • 2018 American Transplant Congress

    Impact of Steroid Maintenance on the Outcomes of HLA-DR Mismatch Kidney Transplantation

    B. Chopra, K. Sureshkumar.

    Allegheny General Hospital, Pittsburgh, PA.

    In kidney transplantation, donor-recipient HLA-DR mismatch poses high immunologic risk and is associated with inferior outcomes. We aimed to explore the impact of enhanced immunosuppression…
  • 2018 American Transplant Congress

    The Infusion with a Difference: Patient Experiences with Belatacept

    H. Murad, D. Malhotra, E. Cohen, W. Asch.

    Yale University, New Haven, CT.

    Introduction: The results of the BENEFIT trial led to the FDA approval of the novel anti-rejection agent belatacept (bela) in 2011. In addition to its…
  • 2018 American Transplant Congress

    A Six-Month, Prospective, Single-Center, Pilot Study to Determine the Pharmacokinetics and Effectiveness of Immunosuppressant Regimens in Liver Transplantation Patients Receiving Twice-Daily Tacrolimus and Everolimus (TAC + EVR BID) Regimen Converted to Once-Daily Tacrolimus and Everolimus (TAC + EVR QD) Regimen – A Priliminary Report

    T-.H. Wu, C-.H. Cheng, Y-.C. Wang, C-.F. Lee, T-.J. Wu, H. Chou, K-.M. Chan, W-.C. Lee.

    Division of Liver and Transplantation Surgery, Chang-Gung Memorial Hospital, Chang-Gung University College of Medicine, Taoyuan, Taiwan.

    Adherence to immunosuppressant regimen is crucial for graft survival and usually inversely related to the dose frequency. Similar efficacy and safety profile has been approved…
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