ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "HLA matching"

  • 2020 American Transplant Congress

    HLA-DR/DQ Molecular Mismatch Dictates Early Risk of De Novo Donor-Specific Antibody Development and Offers a Personalized Approach to Immunosuppression Management in Kidney Transplantation

    S. Davis1, C. Wiebe2, K. Campbell1, C. Anobile3, M. Aubrey3, A. Wiseman1, E. Pomfret1, P. Nickerson2, J. Cooper1

    1University of Colorado, Aurora, CO, 2University of Manitoba, Winnipeg, MB, Canada, 3Clinimmune, Aurora, CO

    *Purpose: Clinicians have few tools to predict the risk of alloimmune injury in a patient undergoing renal transplantation, as traditional demographic or clinical variables lack…
  • 2020 American Transplant Congress

    Identification of the dnDSA Inducing HLA Mismatches Across Multiple Renal Transplant Centers: A 3-Year Longitudinal Analysis of >11,000 HLA Mismatches in 2271 Patients

    J. M. Brennan1, M. D. Stegall2, C. A. Schinstock2, R. L. Heilman3, L. M. Rebellato4, M. D. Samaniego-Picota5, D. Lesser4, M. J. Ghandi2, J. L. Beaumont1, M. J. Everly1

    1Terasaki Research Institute, Los Angeles, CA, 2Mayo Clinic, Rochester, MN, 3Mayo Clinic, Phoenix, AZ, 4East Carolina University, Greenville, NC, 5Henry Ford Transplant Institute, Detroit, MI

    *Purpose: The presence of a mismatch (MM) between donor and recipient HLA does not always lead to the patient developing a de novo donor-specific anti-HLA…
  • 2020 American Transplant Congress

    The Impact of a Positive Crossmatch on KAS Patients and Organs

    J. Lee1, K. Sjöholm2, C. Kjellman2, T. Lorant2, L. Winstedt2, V. Nigro2, K. M. Roupé2, Å. Schiött2, A. Runstrom2, S. Taranto3, T. Baker3, D. Stewart3

    1Medical Affairs, Hansa Biopharma, Camas, WA, 2Hansa Biopharma, Lund, Sweden, 3UNOS, Richmond, VA

    *Purpose: Evaluate the potential effects of offer refusals due to positive crossmatch (+XM) on both patients and re-allocated organs with a focus on waitlist outcomes,…
  • 2020 American Transplant Congress

    Interim Experience in a Phase 3 Prospective, Randomized, Multi-Center, Open-Label, Controlled Trial of Cellular Immunotherapy with MDR-101 for Induction of Immune Tolerance in Recipients of HLA-Matched, Living Donor Kidney Transplants

    D. Kaufman1, J. Piper2, M. Stegall3, S. Akkina4, E. Marin5, A. Gaber6, Y. Qasi7, T. Srinivas8, D. Alonso9, A. Patel10, M. Laftavi11, A. Shah12, S. Collette13, E. Stites14, K. Chavin8, S. Crowley15

    1UW, Madison, WI, 2INOVA, Fairfax, VA, 3Mayo, Rochester, MN, 4LUMC, Chicago, IL, 5Yale, New Haven, CT, 6Houston Methodist, Houston, TX, 7USC, Los Angeles, CA, 8UH Cleveland, Cleveland, OH, 9Intermountain, Murray, UT, 10SBMC, Livingston, NJ, 11UH Upstate, Syracuse, NY, 12TJU, Philadelphia, PA, 13CIUSSS, Montreal, QC, Canada, 14UCH, Denver, CO, 15Medeor, San Francisco, CA

    *Purpose: The goals of tolerance in patients with kidney transplants (KTxp) are to eliminate the lifelong need for immunosuppressive drugs (IS) and to prevent graft…
  • 2020 American Transplant Congress

    HLA Molecular Mismatch is an Independent Correlate of T-Cell Mediated Rejection and Potential Prognostic Biomarker in Renal Transplantation

    C. Wiebe1, D. Pochinco2, I. W. Gibson3, J. Ho1, P. Birk4, A. Goldberg4, M. Karpinski5, J. Shaw5, R. N. David5, P. W. Nickerson1

    1Medicine and Immunology, University of Manitoba, Winnipeg, MB, Canada, 2Shared Health Services, Winnipeg, MB, Canada, 3Pathology, University of Manitoba, Winnipeg, MB, Canada, 4Pediatrics and Child Health, University of Manitoba, Winnipeg, MB, Canada, 5Medicine, University of Manitoba, Winnipeg, MB, Canada

    *Purpose: HLA molecular mismatch alloimmune risk categorization has correlated with de novo donor-specific antibody (dnDSA) development, however, correlation with T-cell mediated rejection (TCMR) phenotypes is…
  • 2020 American Transplant Congress

    Post- Transplant Recurrence of IgA Nephropathy: HLA as a Predictive Factor

    C. R. Kavanagh1, N. G. Jain1, R. Vasilescu2, J. Kamal3, I. Batal2

    1Pediatric Nephrology, Columbia University Medical Center, New York, NY, 2Pathology, Columbia University Medical Center, New York, NY, 3Surgery, Columbia University Medical Center, New York, NY

    *Purpose: Genomic studies have identified several HLA antigens to be associated with IgA Nephropathy in the native kidney. In contrast to the native kidney, there…
  • 2020 American Transplant Congress

    HLA Diversity Affects Epitope Mismatch Cutoffs Utilized to Predict De Novo DSA Development and Graft Rejection in Renal Transplant Patients

    A. Ram1, S. Dhingra2, H. Quach1, P. T. Jindra1

    1Immune Evaluation Laboratory-Surgery, Baylor College of Medicine, Houston, TX, 2Pathology, Baylor College of Medicine, Houston, TX

    *Purpose: Recent studies have investigated epitope matching in order to determine its predictive power in determining renal transplant outcomes, both in terms of de novo…
  • 2020 American Transplant Congress

    Eplet Mismatch Imputed from HLA Serotype-Level Data Can Improve Risk Stratification for Kidney Allograft Loss

    A. Heinzel, R. Reindl-Schwaighofer, A. Kainz, K. Hu, R. Oberbauer

    Department of Medicine III - Division of Nephrology and Dialysis, Medical University of Vienna, Vienna, Austria

    *Purpose: HLA-Epitope mismatch improves risk stratification following kidney transplantation. Based on population data, high resolution HLA types required for epitope prediction can be imputed based…
  • 2020 American Transplant Congress

    Is the Epitope Mismatch Load Enough to Identify HLA-DQ Mismatches with a Low Risk for De Novo DSA Development?

    V. Jucaud1, M. Stegall2, C. Schinstock2, R. Heilman3, L. Rebellato4, M. Samaniego-Picota5, D. Leeser4, M. Gandhi2, J. Beaumont1, M. Everly1

    1Terasaki Research Institute, Los Angeles, CA, 2Mayo Clinic, Rochester, MN, 3Mayo Clinic, Phoenix, AZ, 4East Carolina University, Greenville, NC, 5Henry Ford Transplant Institute, Detroit, MI

    *Purpose: The development of de novo donor-specific anti-HLA antibodies (dnDSA) remains a major risk factor for poor long-term kidney allograft outcomes. In particular, anti-HLA-DQ dnDSAs,…
  • 2020 American Transplant Congress

    Improving Access to Transplantation and Outcomes for African American Patients

    D. Bekbolsynov, O. Ekwenna, B. Mierzejewska, J. Borucka, S. A. Khuder, M. Rees, R. Green, S. Stepkowski

    University of Toledo, Toledo, OH

    *Purpose: Black or African American patients are clearly disadvantaged in comparison to Caucasian patients both in terms of the access to kidney transplantation and post-transplant…
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