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American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2021 American Transplant Congress

    Evaluation of Rituximab-abbs in Renal Transplant: A Case Series

    A. Dao1, B. Jimenez2, A. Reyad1, J. Guiteau1, M. Madhrira3, N. Umezurike1, S. Patel1, S. Allam3

    1Transplant, Medical City Fort Worth, Fort Worth, TX, 2College of Pharmacy, University of North Texas, Fort Worth, TX, 3Tarrant Nephrology Associates, Premier Physicians Group Health, Fort Worth, TX

    *Purpose: Biosimilars are FDA-approved alternatives to cost-prohibitive biologics, with no clinically meaningful differences in safety, purity, and potency. Rituximab-abbs, a biosimilar to rituximab, has labeled…
  • 2021 American Transplant Congress

    Comparing Bortezomib Protocol versus IVIG/Rituximab in the Treatment of Antibody Mediated Rejection (AMR) in Kidney Transplantation

    V. M. Lowery1, A. Centeno1, T. Harrison1, P. Cabrera1, A. Mattiazzi2

    1Pharmacy, Jackson Memorial Hospital/Miami Transplant Institute, Miami, FL, 2Nephrology & Hypertension, Miami Transplant Institute, Jackson Memorial Hospital/Miami Transplant Institute, Miami, FL

    *Purpose: To compare outcomes of historical treatment of AMR [PLEX + IVIG + Rituximab] with addition of bortezomib, along with characterizing safety parameters aimed at…
  • 2021 American Transplant Congress

    Highly Sensitized Simultaneous Liver-kidney Transplant Recipients Show a Reduction in Panel Reactive Antibodies and No Kidney Rejection 1-year Post-transplant

    M. Moaddab, J. V. Nolte Fong, C. M. Mobley, A. Saharia, M. J. Hobeika, R. McMillan, S. G. Yi, R. J. Knight, A. Gaber, R. Ghobrial

    Houston Methodist Hospital, Houston, TX

    *Purpose: The liver is unique in that it is considered an immunologically tolerant organ against graft destruction by antibodies. Simultaneous liver-kidney transplantation (SLKT) are often…
  • 2021 American Transplant Congress

    Leflunomide Therapy for Treatment of Bk Viremia in Pediatric Kidney Transplant Recipients

    A. Aldieri1, M. Chandran2, D. Matossian3, B. Magella4, D. Lazear4, M. Bock2, E. Blanchette2

    1Children's Hospital Colorado, Denver, CO, 2Children's Hospital Colorado, Aurora, CO, 3Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, 4Cincinnati Children's Hospital Medical Center, Cincinnati, OH

    *Purpose: BK viremia (BKV) after kidney transplantation (KT) poses significant risk for BK virus-associated nephropathy (BKVN) and impacts graft survival. Conventional treatment involves reduction of…
  • 2021 American Transplant Congress

    Angiotensin II Type-1 Receptor Antibodies are Associated with Inferior Renal Allograft Survival

    P. Martin, E. Santos, N. Gunby, M. Willicombe

    Renal Department, Imperial College Healthcare NHS Trust, London, United Kingdom

    *Purpose: AT1R-antibodies have been implicated in antibody-mediated vascular rejection in the absence of detectable HLA donor specific antibody (DSA), in addition to cardiovascular diseases. Transplant…
  • 2021 American Transplant Congress

    Late Subclinical Rejection and Borderline Rejection in Kidney Transplant Patients is Associated with Increased Incidence of Subsequent Clinical Rejections

    V. Viswanathan1, I. Melgarejo2, C. Puttarajappa2, P. Sood2, M. Molinari2, S. Hariharan2, C. Wu2, A. Sharma2, N. Shah2, R. Mehta2

    1Department of Medicine, Renal-Electrolyte Division, University of Pittsburgh Medical Center, Pittsburgh, PA, 2Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, PA

    *Purpose: The outcomes of inflammatory changes noted in late surveillance biopsies (1 year) is unclear.*Methods: Patients transplanted (live donor and deceased donor) at our center…
  • 2021 American Transplant Congress

    Investigating the HLA Alloimmune Background of the Histological Changes Suggestive of Antibody-mediated Injury in the Absence of Donor-specific Anti-HLA Antibodies

    A. Senev, M. Naesens

    Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium

    *Purpose: The histology of antibody-mediated rejection is observed frequently after kidney transplantation, but a significant percentage of the patients do not have detectable donor-specific HLA…
  • 2021 American Transplant Congress

    The Microenvironment of Belatacept-Resistant Rejection

    A. Johnson, J. Zhang, C. Larsen

    Surgery, Emory University, Atlanta, GA

    *Purpose: Belatacept is a co-stimulation blockade immunosuppressant, that despite demonstrating improved long-term outcomes, has not been widely adopted, in part, due to concern over early…
  • 2021 American Transplant Congress

    Urinary Exosome Mrna Signature for the Diagnosis of Human Kidney Transplant Rejection

    R. El Fekih1, J. Hurley2, V. Tadigotla2, A. Alghamdi3, A. Srivastava4, C. Coticchia2, J. Choi1, H. Allos5, k. yatim5, J. Alhaddad5, S. Eskandari5, P. Chu5, A. Mihali5, I. Lape5, M. Lima Filho5, B. Ayoma5, A. Chandraker5, K. Safa6, J. Markmann6, L. Riella6, R. Formica7, J. Skog2, J. Azzi5

    1Medecine, Brigham and Women Hospital, Boston, MA, 2Exosome Diagnostics, Boston, MA, 3Boston Children Hospital, Boston, MA, 4Center for Translational Metabolism and Health, Chicago, IL, 5Transplantation Research Center, Boston, MA, 6Massachusetts General Hospital, Boston, MA, 7Yale School of Medicine, New Haven, CT

    *Purpose: Traditional biomarkers currently used to monitor the kidney allograft, such as creatinine and proteinuria, are late markers of injury and lack sensitivity, specificity and…
  • 2021 American Transplant Congress

    Impact of Donor and Recipient Age Difference: Outcomes within the First Year of Orthotopic Heart Transplant

    M. Mascetti, M. Manson, Z. Truman

    Baylor St. Luke's Medical Center, Houston, TX

    *Purpose: In recent history, the number of patients listed as eligible to receive a heart transplant has increased by nearly 40%. However, not all hearts…
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