ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Highly-sensitized"

  • 2018 American Transplant Congress

    Kidney Transplant Outcomes in Patients with CPRA Values > 98% after Implementation of the New OPTN/UNOS Kidney Allocation System (KAS): A Single Center Study Update

    N. Kaur,1 M. Kamoun,2 J. Kearns,2 J. Trofe-Clark,1 P. Abt,3 M. Levine,3 S. Goral.1

    1Department of Medicine, Renal-Electrolyte and Hypertension Division, Hospital of the University of Pennsylvania, Philadelphia; 2Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia; 3Surgery, Hospital of the University of Pennsylvania, Philadelphia.

    Background: Sensitized patients in the past have had prolonged waiting times and greater incidence of death while on the waiting list. On December 4, 2014,…
  • 2018 American Transplant Congress

    Complement Activating HLA Class 2 Antibodies Are Associated with Poor Renal Allograft Survival; Multicentre Study

    A. Babu,1,2 O. Shaw,5 N. Khovanova,2 S. Griffin,4 D. Briggs,6 N. Krishnan,1 S. Fletcher,1 C. Imray,1 A. Seitz,3 R. Baker,3 M. Wellberry-Smith,3 B. Clarke,3 K. Cullen,3 F. Edwards,4 T. Rees,4 E. Burrows,4 L. Howe,5 R. Vaughan,5 N. Kessaris,7 N. Mamode,7 A. Dorling,7 D. Zehnder,1 R. Higgins,1,2 D. Mitchell,2 S. Daga.2,3

    1Renal Transplantation, University Hospitals Coventry, Coventry, United Kingdom; 2University of Warwick, Coventry, United Kingdom; 3Renal Transplantation, St James University Hospital, Leeds, United Kingdom; 4Renal Transplantation, University Hospital of Wales, Cardiff, United Kingdom; 5H&I, Viapath,, London, United Kingdom; 6H&I, NHSBT, Birmingham, United Kingdom; 7Renal Transplantation, Guys and St Thomas Hospital, London, United Kingdom.

    IntroductionRole of Class I and II pre-formed complement activating antibodies on renal outcomes is not well defined. In this multicentre study, we looked at the…
  • 2018 American Transplant Congress

    Ischemia Reperfusion Injury & Risk for Antibody Mediated Rejection (ABMR) in HLA Sensitized Patients Treated with C1 Esterase Inhibitor (C1INH)

    A. Vo,1 O. Aubert,2 J. Choi,1 N. Ammerman,1 H. Edmund,1 A. Peng,1 R. Najjar,1 S. Supreet,1 S. Jordan.1

    1Kidney Transplant, Cedars-Sinai Medical Center, LA, CA; 2Paris Translational Research for Organ Transplantation, Necker Hospital, Paris, France.

    Introduction: Ischemia reperfusion injury (IRI) contributes to delayed graft function (DGF). IRI/DGF in HLA-sensitized (HS) patients likely activates innate and memory injury pathways that may…
  • 2018 American Transplant Congress

    Identifying Patients with CPRA>99.95% Likely to Be Offered Deceased Donor Kidneys

    R. Parsons, S. Bumb, H. Decker, R. Bray, H. Gebel.

    Emory Transplant Center, Atlanta, GA.

    The implementation of the new kidney allocation system and priority of kidneys for cPRA=100% subjects revealed a hierarchy difference in allocation to patients with cPRA=99.45%-100%.…
  • 2018 American Transplant Congress

    Inferior Patient and Graft Survival in Highly Sensitized Adult Kidney Transplant Recipients with a Prior Transplant Compared to Pediatric Kidney Transplant Recipients: An Analysis of OPTN Data

    P. Almond,1 S. Al-Akash,1 D. Stewart,2 A. Robinson.2

    1CPSST Departments of Pediatric Surgery and Renal Transplantation, Driscoll Children's Hospital, Corpus Christi, TX; 2UNOS, Richmond, VA.

    Under the current kidney allocation system (KAS), pediatric (PED) renal transplant (RTx) candidates have a priority to kidneys from KDPI <35% donors. However, that excludes…
  • 2018 American Transplant Congress

    CTLA4-Ig and Bortezomib Successfully Reverses Established DSA Responses in Allograft-Sensitized Recipients

    D. Jain,1 J. Young,1 D. Yin,1 R. Pelletier,2 A. Chong.1

    1Department or Surgery, University of Chicago, Chicago, IL; 2Department of Surgery, Ohio State University, Columbus, OH.

    Background: Sensitized recipients have lower rates of transplantation and poorer outcomes. We and others have reported that the delayed administration of CTLA4-Ig can disrupt fully-established…
  • 2018 American Transplant Congress

    Tocilizumab Stabilizes Renal Function in Kidney Transplant Recipients with Chronic Active Antibody Mediated Rejection (CAAMR)

    S. Patel, S. Mohan, H. Fernandez, I. Batal, L. Ratner, J. Crew.

    Columbia University, New York.

    INTRO: CAAMR after kidney transplantation (KTx) is associated with rates of allograft failure approaching 50% at 2 years from injury involving T cells, B cells,…
  • 2018 American Transplant Congress

    Extended Experience Using Tocilizumab (Anti-IL6R, TCZ) for the Treatment of Chronic Antibody Mediated Rejection (CABMR)

    J. Choi,1 O. Aubert,2 S. Louie,1 N. Ammerman,1 A. Vo,1 A. Peng,1 E. Huang,1 R. Najjar,1 D. Puliyanda,1 S. Sethi,1 M. Haas,1 K. Lim,1 A. Loupy,2 S. Jordan.1

    1Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, CA; 2Paris Translational Center for Organ Transplantation, Paris, France.

    Introduction: Disruption of the IL-6/IL-6R pathways may have benefits in treating allograft rejection. We reported our experience with anti-IL-6R (TCZ) as a treatment for CABMR…
  • 2018 American Transplant Congress

    A Follow-Up Report on the Use of IVIG+Rituximab to Reduce Donor Specific Antibodies and Improve Transplant Rates in Highly-Sensitized Patients Awaiting Deceased Donor Kidney Transplantation

    R. Najjar, E. Huang, A. Vo, J. Choi, K. Lim, S. Louie, A. Peng, S. Sethi, M. Toyoda, X. Zhang, S. Jordan.

    Medicine/Nephrology, Cedars Sinai Medical Center, Los Angeles, CA.

    Introduction: Desensitization (DES) with IVIG/rituximab is associated with a reduction in donor specific antibodies (DSA), improved transplant rates and outcomes in highly-sensitized (HS) patients. We…
  • 2018 American Transplant Congress

    Impact of the New KAS on Transplant Rates in Highly-HLA Sensitized (HS) Patients after Desenstization (DES): 3yrs Post Implementation

    A. Vo, E. Huang, N. Ammerman, S. Williamson, C. Myers, A. Peng, R. Najjar, S. Sethi, K. Lim, S. Jordan.

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

    Introduction: The KAS aims to increase equity in organ allocation for broadly sensitized (HS) patients, especially (CPRA 99-100%). Coupling desensitization (DES) + KAS likely will…
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