ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "HLA antibodies"

  • 2017 American Transplant Congress

    Association of Non-HLA Antibodies with Histological Changes of Antibody Mediated Injury in Kidney Transplantation.

    N. Leca,1 I. Gimferrer,2 P. Warner,2 K. Nelson,2 R. Bakthavatsalam,1 L. Sibulesy,1 B. Najafian,3 C. Robinson-Cohen,1 B. Kestenbaum.1

    1Division of Nephrology, University of Washington, Seattle; 2Bloodworks NW, Seattle

    Solid phase assays, particularly single-antigen beads, have substantially increased the sensitivity and accuracy of antibody detection in transplantation. However, donor specific antibodies(DSA) against human leukocyte…
  • 2017 American Transplant Congress

    Clinical Impact of Strength and Class of Pre transplant Donor Specific Antibody on Kidney Transplant Recipient Receiving Steroid Free Maintenance Immunosupression Regimen.

    O. Adebiyi, O. Simo, S. Hussain, D. Mishler, W. Goggins, T. Taber, A. Sharfuddin, M. Yaqub.

    Renal Transplant, Indiana University School of Medicine, Indianapolis, IN

    Background: The class and strength of pre- transplant DSA has been described as playing a role in determining future risk of acute rejection (AR) and…
  • 2017 American Transplant Congress

    Kidney Transplant Rejection Associated with DQ Eplet Mismatches.

    S. Chakola,1 P. Warner,2 N. Andeen,3 B. Najafian,3 N. Leca,1 C. Blosser.1

    1Medicine, University of Washington, Seattle, WA; 2Bloodworks Northwest, Seattle, WA; 3Pathology, University of Washington, Seattle, WA

    The presence of anti-HLA antibodies is associated with acute rejection, allograft dysfunction and earlier graft loss. HLA antibodies are recognized as being specific to these…
  • 2017 American Transplant Congress

    Safety and Activity of Anti-C1s Humanized Monoclonal Antibody TNT009 in Late Antibody-Mediated Kidney Allograft Rejection – Results of a First-in-Human Phase 1 Trial.

    F. Eskandary,1 B. Jilma,2 J. Muehlbacher,3 M. Wahrmann,1 H. Regele,4 N. Kozakowski,4 S. Panicker,5 J. Reeve,6 P. Halloran,6 J. Gilbert,5 G. Bohmig.1

    1Department of Medicine III, Medical University Vienna, Vienna, Austria; 2Department of Clinical Pharmacology, Medical University Vienna, Vienna, Austria; 3Department of Surgery, Medical University Vienna, Vienna, Austria; 4Department of Clinical Pathology, Medical University Vienna, Vienna, Austria; 5True North Therapeutics Inc., San Frnacisco; 6Alberta Transplant Applied Genomics Centre, University of Alberta, Edmonton, Canada

    Study purpose:The classical pathway (CP) of complement may significantly contribute to antibody-mediated rejection (ABMR). Blockade of CP key component C1 may be a promising strategy…
  • 2017 American Transplant Congress

    Update of a Placebo-Controlled Trial of C1 Esterase Inhibitor for Prevention of Antibody Mediated Rejection (ABMR) in Highly-HLA Sensitized Patients.

    A. Vo, J. Choi, A. Peng, K. Lim, L. Varanasi, R. Najjar, E. Huang, D. Puliyanda, S. Jordan.

    Kidney Transplant, Cedars-Sinai Medical Center, LA, CA

    INTRODUCTION: Desensitization (DES) strategies focus primarily on antibody reduction using IVIG, rituximab ± PLEX to prevent DSA-induced ABMR and rebound B-cell activity. Pathologic features of…
  • 2017 American Transplant Congress

    Healthcare Resource Utilization for Patients with Donor-Specific Antibodies Post-Kidney Transplantation.

    B. Ho,1 H. Bhagat,2 E. Lee,2,3 K. Atiemo,1 A. Daud,1 R. Kang,1 S. Montag,1,4 L. Zhao,1,4 J. Schwartz,2 D. Ladner.1

    1Northwestern University Transplant and Outcomes Research Collaborative (NUTORC), Chicago; 2Astellas Pharma Global Development, Northbrook; 3Now with UCB, Atlanta; 4Dept of Preventive Medicine, Northwestern University, Chicago

    Formation of de novo donor-specific antibodies (dnDSA) against human leukocyte antigens (HLA) contributes to inferior kidney transplant (KT) outcomes. No data exist on healthcare resource…
  • 2017 American Transplant Congress

    Isolated Angiotensin II Receptor Type I Antibodies (AT1R) Are Not Associated with Active Antibody Mediated Rejection (ABMR) in Pediatric Renal Transplant Recipients.

    J. Choi, M. Haas, X. Zhang, O. Aubert, H. Pizzo, E. Kamil, K. Irene, S. Jordan, D. Puliyanda.

    Comprehensive Transplant Center, Cedars Sinai Medical Center, Los Angeles, CA

    Intro: Donor specific antibodies (DSAs) detected post transplant are associated with ABMR and graft dysfunction. The role of non-HLA antibodies especially angiotensin II receptor type…
  • 2017 American Transplant Congress

    Biological Interplay Between Circulating HLA-sp Alloreactive Memory B-Cells and Long-Lived Plasma Cells in Kidney Transplant Patients Undergoing Chronic ABMR.

    S. Luque,2 M. Lúcia,4 M. Jarque,2 E. Crespo,2 E. Melilli,1 J. Martorell,3 J. Cruzado,1,2 J. Torras,1,2 J. Grinyó,1,2 O. Bestard.1,2

    1Kidney Transplant Unit, Bellvitge University Hospital, Barcelona, Spain; 2Experimental Nephrology Laboratory, IDIBELL, Barcelona, Spain; 3Immunogenetics Laboratory, Hospital Clínic, Barcelona, Spain; 4Transplant Immunology, School of Medicine, Stanford

    Alloreactive humoral responses are one of the main causes of immune-mediated allograft injury in kidney transplantation. Different biological compartments are involved in the generation and…
  • 2017 American Transplant Congress

    Meta-Analysis of Clinical Significance of Complement Activating Anti-HLA DSA in Kidney Transplantation.

    A. Bouquegneau,1,2 C. Ulloa,1 O. Aubert,1 C. Loheac,1 D. Viglietti,1 J. Empana,1 P. Jabre,1 X. Jouven,1 C. Lefaucheur,1 A. Loupy.1

    1Paris Translational Research Center for Organ Transplantation, Paris, France; 2Department of Nephrology, Dialysis and Transplantation, Liège, Belgium

    Donor-specific anti-HLA antibodies (DSA) are currently recognized as the major limitation to access transplantation and the first cause of late transplant failures. The effect of…
  • 2017 American Transplant Congress

    Assessing the Impact of the New KAS on Transplant Rates in Highly-HLA Sensitized (HS) Patients After Desensitization (Des) 2 Years Post Implementation.

    A. Vo,1 S. Williamson,1 K. Myers,1 E. Huang,1 J. Choi,1 X. Zhang,2 A. Peng,1 R. Najjar,1 S. Jordan.1

    1Kidney Transplant, Cedars-Sinai Medical Center, LA, CA; 2HLA Laboratory, Cedars-Sinai Medical Center, LA, CA

    Introduction: The new KAS aims to improve access to transplantation for HS patients, specifically CPRA 99-100%. Our center has extensive experience w. DES to improve…
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