ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2022 American Transplant Congress

    Infections Following Rejection Therapies in Solid Organ Transplant Recipients

    S. Gupta1, J. Gea-Banacloche2, H. Me3, D. M. Chascsa4, H. R. Vikram2, R. Yaman1, L. Kodali3

    1Internal Medicine, Mayo Clinic, Scottsdale, AZ, 2Infectious Diseases, Mayo Clinic, Phoenix, AZ, 3Transplant Nephrology, Mayo Clinic, Phoenix, AZ, 4Hepatology, Mayo Clinic, Phoenix, AZ

    *Purpose: Infections are known complications of solid-organ transplant. They are most prevalent in the first 12 months after transplant when immunosuppression is at its peak.…
  • 2022 American Transplant Congress

    Establishment And Validation Of A Predictive Model For Differential Rejection Diagnosis By Gene Expression Profiling (GEP) In Renal Allograft Biopsies Using Banff Human Organ Transplant (B-HOT) Gene Panel

    H. Zhang1, R. Haun2, F. Collin1, C. Cassol2, S. Coley2, J. Wilson2, S. Stone1, K. Qu1, W. Tian1, N. Agrawal1, G. Shekhtman1, C. Larsen2

    1CareDx, Inc., Brisbane, CA, 2Arkana Laboratories, Little Rock, AR

    *Purpose: Large scale GEP studies evaluating the performance of Banff-endorsed B-HOT gene panel for allograft rejection diagnosis have not been published. In this study, we…
  • 2022 American Transplant Congress

    An Initial Analysis of Baseline Levels of Dd-cfdna After Pancreas Transplantation: A Prospective Study from High-Volume Centers in the United States

    A. Yoo1, I. Qian1, A. Riedel1, G. Kibria1, A. Bartosic1, R. Soltani2, O. Nduanya3, M. Omidi3, J. S. Odorico2, P. L. Abrams3, M. Cooper3, J. S. Bromberg1, J. R. Scalea1

    1University of Maryland School of Medicine, Baltimore, MD, 2University of Wisconsin School of Medicine, Madison, WI, 3Georgetown University School of Medicine, Washington, DC

    *Purpose: Donor-derived cell-free DNA (dd-cfDNA) testing, which has been validated for monitoring kidney transplant (KTx) rejection, may provide an alternative to pancreas biopsy that prevents…
  • 2022 American Transplant Congress

    Nivolumab After Sorafenib Failure in Liver Recipients with HCC Recurrence

    J. Kwon

    Surgery, Samsung Medical Center, Seoul, Korea, Republic of

    *Purpose: Several treatments have recently been known for hepatocellcular carcinoma (HCC) who have failed to treat sorafenib. Immune checkpoint inhibitors have proven to be effective,…
  • 2022 American Transplant Congress

    The Impact of T-Cell Receptor Diversity in Acute Kidney Transplant Rejection

    T. Sigdel1, P. Fields2, J. Liberto1, I. Damm1, M. Kerwin1, j. Hood2, P. Towfighi1, M. Sirota1, H. Robins2, M. M. Sarwal1

    1UCSF, San Francisco, CA, 2Adaptive Biotechnologies, Seattle, WA

    *Purpose: Recent developments in T-cell receptor (TCR) immunosequencing allow for analysis of alloreactive human T-cell populations both before and after engraftment. In this study, we…
  • 2022 American Transplant Congress

    The Pre-Transplant Non-HLA Antibody Burden Predicts the Development of Histology of Antibody-Mediated Rejection After Kidney Transplantation

    A. Senev1, B. Ray2, J. Hariharan2, C. Heylen2, M. Emonds1, M. Naesens1

    1Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium, 2Immucor Inc.,, Norcross, GA

    *Purpose: Many kidney allografts fail due to the occurrence of antibody-mediated rejection (ABMR), related to donor-specific anti-HLA antibodies (HLA-DSA). However, the histology of ABMR can…
  • 2022 American Transplant Congress

    Longitudinal Analysis of the Gut Microbiota Structure and Function After Renal Transplantation

    A. Vaitkute1, F. Yuen Chang1, A. Greco2, S. Chong1, H. Mahdi3, M. Bajaj-Elliott2, A. Pesenacker1, R. Motallebzadeh1

    1Institute of Immunity and Transplantation, UCL, London, United Kingdom, 2Institute of Child Health, UCL, London, United Kingdom, 3Department of Renal Medicine, UCL, London, United Kingdom

    *Purpose: Despite marked improvements in outcomes after renal transplantation, graft loss from alloimmune pathology and adverse side effects including urinary tract infections and diarrhoea remain…
  • 2022 American Transplant Congress

    Single Dose Alemtuzemab Provides Comparable Rejection Free and Infection Free Survival Compared to Double Dose Alemtuzumab. In Comparison to Alemtuzemab, Basiliximab Has Superior Infection Free Graft Survival. Results from a Steroid Sparing Transplant Group

    H. Sharma, A. Odugoudar, B. Devkaran, A. Rao, A. El-Bakry, T. Gunawardhane, D. Ridgway, M. Howse, S. Mehra

    Department of Transplant Surgery, Royal Liverpool University Hospital, Liverpool, United Kingdom

    *Purpose: The present study investigated the short-term biopsy-proven acute rejection rates and viral infection rates amongst our protocol of single-dose Alemtuzemab (Cohort 1) versus double…
  • 2022 American Transplant Congress

    Ixazomib for Desensitization (IXADES): Results of a Phase II Clinical Trial

    N. Wilson1, S. R. Reese2, L. Ptak3, F. Aziz2, S. Parajuli2, V. Jucaud4, S. Denham4, A. Mishra5, P. Hematti5, A. Djamali2

    1University of Wisconsin, Madison, WI, 2Medicine, University of Wisconsin, Madison, WI, 3Administration, University of Wisconsin, Madison, WI, 4Terasaki Institute, Los Angeles, CA, 5UW Comprehensive Cancer Center, University of Wisconsin, Madison, WI

    *Purpose: Ixazomib is a second-generation oral proteasome inhibitor, FDA approved for the treatment of refractory multiple myeloma. The purpose of the study was (1) to…
  • 2022 American Transplant Congress

    Spatially Resolved Molecular Profiling of Endothelial Cells in Antibody-Mediated Kidney Transplant Rejection

    M. Melendez-Ferro, D. R. Kelly, M. E. Seifert

    UAB School of Medicine, Birmingham, AL

    *Purpose: Endothelial cells are key targets of alloimmune injury in antibody-mediated rejection (ABMR), but are challenging to study in situ using high-throughput methods. We aimed…
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