ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Highly-sensitized"

  • 2022 American Transplant Congress

    Regulatory T Cells Suppress Memory IFN-Gamma Production in Highly Sensitised Patients

    C. Dudreuilh1, S. Basu1, O. Shaw2, H. Burton1, C. Domingo-Vila1, T. Tree1, G. Lombardi1, C. Scotta1, A. Dorling1

    1King's College London, London, United Kingdom, 2Viapath Clinical Transplantation Laboratory, Guy's Hospital, London, United Kingdom

    *Purpose: Highly sensitized patients (HS) present worse long-term outcome after transplantation compared to those without donor-specific antibodies (DSA). It has been suggested that desensitisation using…
  • 2022 American Transplant Congress

    Clazakizumab® (anti-il-6) Desensitization in Highly-HLA Sensitized Patients Awaiting Kidney Transplant (nct03380962): Long-Term Follow Up

    A. Vo1, J. Tang1, N. Ammerman1, E. Huang1, X. Zhang2, M. Haas3, A. Peng1, R. Najjar1, S. Williamson1, C. Meyers1, S. Sethi1, K. Lim1, M. Gillespie1, N. Badash1, S. Jordan1

    1Comprehensive Transplant Center, Cedars Sinai Medical Ctr, Los Angeles, CA, 2HLA Laboratory, Cedars Sinai Medical Ctr, Los Angeles, CA, 3Pathology, Cedars Sinai Medical Ctr, Los Angeles, CA

    *Purpose: IL-6 is a cytokine critical for B-cell activation and IgG production. Clazakizumab (CSL Behring LLC) is a humanized monoclonal aimed at the cytokine IL-6.…
  • 2022 American Transplant Congress

    CIAT: A New Kidney Exchange Program with Better Options for Highly Sensitized and Long Waiting Patients

    M. d. Klerk1, J. Kal1, D. L. Roelen2, M. Betjes1, A. Weerd de1, M. Reinders1, M. Kho1, K. Glorie3, J. I. Roodnat1

    1Internal Medicine, Erasmus MC Transplant Institute, Rotterdam, Netherlands, 2Immunology, Leids UMC, Netherlands, 3Econometrics, EUR, Rotterdam, Netherlands

    *Purpose: A number of alternative, both living and deceased donor kidney transplant programs have been developed for incompatible pairs and difficult to match patients. The…
  • 2022 American Transplant Congress

    Evaluation of Hepatitis C Positive Donor to Hepatitis C Negative Recipient Kidney Transplant in a Highly Sensitized Patient Population

    A. T. Iaria, M. Martin, A. Hietpas, I. Tang, S. Koppe, I. Tzvetanov, E. Benedetti, C. Muran

    University of Illinois at Chicago, Chicago, IL

    *Purpose: This study assessed outcomes of hepatitis C virus (HCV) donor positive to recipient negative (D+/R-) kidney transplants (KT) in high immunologic risk patients. Literature…
  • 2022 American Transplant Congress

    Viral-Specific Cytotoxic T-Cell Responses in Hla-Sensitized Kidney Transplant Patients Maintained on Everolimus and Low Dose Tacrolimus

    R. Zhang1, S. Ge1, M. Chu1, J. Kahwaji2, A. Karasyov1, D. Lovato1, A. Vo2, J. Choi2, M. Toyoda1, S. Jordan2

    1Transplant Immunology Laboratory, Cedars Sinai Medical Center, Los Angeles, CA, 2Comprehensive Transplant Center, Cedars Sinai Medical Center, Los Angeles, CA

    *Purpose: Post-transplant immunosuppression with “everolimus + reduced dose tacrolimus” (Ev + Taclow) is reported to reduce the risk of viral infections compared to standard doses…
  • 2022 American Transplant Congress

    Stem Cell Donor-Derived CPRA Better Reflects Sensitization Than Current CPRA

    K. Lindblad1, C. Murphey2, P. Lalli3, J. Lunz4, L. Gragert5

    1UNOS, Richmnd, VA, 2Southwest Immunodiagnostics, Inc., San Antonio, TX, 3Carolinas Medical Center, Charlotte, NC, 4LifeLink Foundation Transplant Immunology Lab, Tampa, FL, 5Tulane University School of Medicine, New Orleans, LA

    *Purpose: The OPTN Histocompatibility Committee proposes replacing the current calculated panel reactive antibody (CPRA), based on HLA haplotype frequencies from ~14,000 deceased kidney donors, with…
  • 2022 American Transplant Congress

    Characterizing the Landscape of Cancer Risk Following HLA-Incompatible Living Donor Kidney Transplantation

    J. D. Motter1, K. Jackson1, K. Yu2, R. M. Pfeiffer2, A. Massie1, J. Garonzik-Wang3, D. Segev1, E. A. Engels2

    1Johns Hopkins University, Baltimore, MD, 2National Cancer Institute, Bethesda, MD, 3University of Wisconsin-Madison, Madison, WI

    *Purpose: Incompatible living donor kidney transplant recipients (ILDKTr) require desensitization to facilitate transplantation across donor-specific antibody (DSA); however, this substantial upfront immunosuppression may result in…
  • 2022 American Transplant Congress

    Long-Term Outcomes of Crossmatch Positive Simultaneous Liver Kidney Transplants in the United States

    S. Riad1, E. Aby1, S. Jackson2, P. Nguyen3, N. Lim1, J. Lake1

    1Medicine, University of Minnesota, Minneapolis, MN, 2Mhealth-Fairview, Minneapolis, MN, 3Surgery, University of Minnesota, Minneapolis, MN

    *Purpose: The long-term results of crossmatch positive (XM+) simultaneous liver-kidney (SLK) transplants are conflicting. We examined the association between crossmatch (XM) status and SLK outcomes…
  • 2022 American Transplant Congress

    Outcomes of Hlai Kidney Transplants in Patients with Cpra 100% After Desensitization

    A. A. Vo1, J. Tang1, S. Williamson1, C. Meyers1, E. Huang1, X. Zhang2, M. Haas3, A. Peng1, R. Najjar1, S. Supreet1, N. Ammerman1, K. Lim1, M. Gillespie1, N. Badash1, S. Jordan1

    1Comprehensive Transplant Center, Cedars Sinai Medical Ctr, Los Angeles, CA, 2HLA Laboratory, Cedars Sinai Medical Ctr, Los Angeles, CA, 3Pathology, Cedars Sinai Medical Ctr, Los Angeles, CA

    *Purpose: The KAS implementation was aimed at increasing access to kidney transplantation in highly HLA sensitized (HS) patients. However, combining desensitization (DES) + KAS could…
  • 2022 American Transplant Congress

    Successful Outcome of Highly Sensitized Patients After Heart Transplantation Under RATG Regimen

    G. Esmailian, T. Singer-Englar, J. Patel, M. Kittleson, S. Kim, N. Patel, D. Chang, E. Kransdorf, F. Esmailian, J. A. Kobashigawa

    Cedars-Sinai Smidt Heart Institute, Los Angeles, CA

    *Purpose: Highly sensitized patients (panel reactive antibody [PRA] ≥50%) are known to be at risk for poor outcome after heart transplantation (HTx). In our program,…
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