ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Immunosuppression"

  • 2022 American Transplant Congress

    Use of Belatacept in Non-Compliant Adolescent Patients

    C. McAdams1, C. Gluck1, E. Hilmas2

    1Nemours Children's Health, Wilmington, DE, 2Nationwide Children's Hospital, Columbus, OH

    *Purpose: Adolescents are at high risk for kidney transplant rejection due to non-compliance. While intravenous (IV) maintenance medications are FDA approved for adults, there is…
  • 2022 American Transplant Congress

    Pd-1 Licenses Activated Treg for Lymphatic Migration

    W. Piao1, L. Li1, V. Saxena1, K. Hippen2, M. Shirkey1, B. Blazar2, I. Lape3, y. zhang3, J. Bromberg1

    1Surgery, University of Maryland, Baltimore, MD, 2University of Minnesota, Minneapolis, MN, 3Harvard Medical School, Boston, MA

    *Purpose: In addition to serving as fluid conduits, lymphatic vessels are critical portals for immune cell migration. Lymphatic endothelial cells (LECs) constitutively express high levels…
  • 2022 American Transplant Congress

    An Additional Dose Of Viral Vector Covid-19 Vaccine And Mrna Covid-19 Vaccine In Kidney Transplant Recipients: A Randomized Controlled Trial

    J. Bruminhent1, C. Setthaudom2, P. Phornkittikorn3, P. Chaumdee3, S. Prasongtanakij4, S. Srisala4, K. Malathum1, S. Boongird5, A. Nongnuch5, M. Assanatham5, S. Kiertiburanakul1

    1Division of Infectious Diseases, Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand, 2Immunology Laboratory, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand, 3Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand, 4Office of Research, Academic Affairs and Innovation, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand, 5Division of Nephrology, Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand

    *Purpose: An additional dose of the COVID-19 vaccine following a primary series is recommended for solid organ transplant recipients. However, a comparison of the immunogenicity…
  • 2022 American Transplant Congress

    Longitudinal Characterization of Memory B Cells During Antibody Mediated Rejection Treated with Plasmapheresis, Bortezomib, and Belatacept in Heart Transplant Recipients

    F. Alkhunaizi1, M. Ellison2, V. Berrich1, M. Siegelin1, M. Szabolcs1, G. F. Sayer1, N. Uriel1, S. Restaino1, A. Chong3, A. Zeevi2, M. Habal1

    1Columbia University Medical Center, New York, NY, 2University of Pittsburgh Medical Center, Pittsburgh, PA, 3University of Chicago, Chicago, IL

    *Purpose: Donor specific antibodies (DSA) and antibody mediated rejection (AMR) continue to limit allograft longevity after heart transplant. Effective treatments are limited and often complicated…
  • 2022 American Transplant Congress

    Molecular Characterization of the Plasma Secretome in Pediatric Liver Transplantation (pLTx) Identified Cytokine/Chemokine Signatures Potentially Linked to Beneficial Immunosuppressive Regimes (IS) and Recovery

    E. Chichelnitskiy1, L. Ruhl2, I. Goldschmidt3, A. Karch4, L. Antiga5, D. Debray6, L. Hierro7, D. Kelly8, V. McLin9, E. Nicastro10, J. Pawlowska11, P. Czubkowski11, R. Mikolajczyk12, U. Baumann13, C. Falk14

    1Institute of Transplant Immunology, Hannover Medical School (MHH), Hannover, Germany, 2Institute of Transplant Immunology, MHH, Hannover, Germany, 3Division of Pediatric Gastroenterology and Hepatology, MHH; European Paediatric Liver Transplantation Network, Hannover, Germany, 4Research Group Epidemiological and Statistical Methods, Helmholtz Centre for Infection Research, Braunschweig; German Center for Infection Research, TTU-IICH Hannover;Institute for Epidemiology and Social Medicine, University of Münster, Münster, Germany, 5Ospedali Riuniti di Bergamo, Bergamo, Italy, 6Hôpital Necker-Enfants Malades, Paris, France, 7Hospital Infantil Universitario La Paz, Madrid, Spain, 8Birmingham Childrens Hosp, Birmingham, United Kingdom, 9Service Spécialités Pédiatriques, Genève, Switzerland, 10Pediatric Hepatology, Gastroenterology and Transplantation, Hospital Papa Giovanni XXIII, Bergamo, Italy, 11Gastroenterology, Hepatology, Nutritional Disorders and Pediatrics, The Children’s Memorial Health Institute, Warsaw, Poland, 12Institute of Medical Epidemiology, Biostatistics and Medical Informatics, University of Halle; German Center for Infection Research, TTU-IICH Hannover; MHH, Halle, Germany, 13Division of Pediatric Gastroenterology and Hepatology, MHH; Birmingham Children’s Hospital, UK, Hannover, Germany, 14Institute of Transplant Immunology, MHH; German Center for Infection Research, TTU-IICH, Hannover, Germany

    *Purpose: In the European multicentre “ChilSFree” study we aimed to characterize longitudinal dynamics of soluble immune mediators during the first year after pLTx.*Methods: Using Luminex-based…
  • 2022 American Transplant Congress

    ‘Adjuvant Conditioned’ Myeloid Derived Suppressor Cells Prolong Islets Graft Survival Through IL-10 Production

    J. Ge1, L. Ott1, A. Das1, J. Markmann2, A. Cuenca1

    1Department of Surgery, Boston Children's Hospital, Boston, MA, 2Division of Transplant Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA

    *Purpose: Advances in immunosuppression have been relatively stagnant over the last 2 decades and transplant patients continue to experience morbidity associated with immunosuppression regimens. Through…
  • 2022 American Transplant Congress

    Long-Term Outcomes After Conversion to a Belatacept-Based Immunosuppression in Kidney Transplant: A Matched Cohort Study

    G. Divard, C. Debiais, C. Legendre, O. Aubert, C. Lefaucheur, A. Loupy

    Paris Transplant Group, INSERM, Paris, France

    *Purpose: Conversion to belatacept after transplant seems to be safe. However, no studies have reported the long-term efficacy and safety outcomes after conversion to belatacept…
  • 2022 American Transplant Congress

    Managing Medications During a Pandemic: A Mixed-Methods Study of Perception of Adult Kidney Transplant Recipients and Those Waiting for a Kidney Transplant

    M. R. Wakefield1, C. M. Ashbaugh2, C. Richardson2, M. B. Stephens2, P. Yerram3, M. Freiburghaus4, M. Mercedes4, C. L. Russell4

    1Surgery/Urology, University of Missouri School of Medicine, Columbia, MO, 2Transplant, University of Missouri Health Care, Columbia, MO, 3Nephrology, Harry S Truman VA Hospital, Columbia, MO, 4University of Missouri-Kansas City, Kansas City, MO

    *Purpose: Patients interact with healthcare providers (HCP) and pharmacists to manage medications. Little is known about the impact of COVID-19 on medication management. The purpose…
  • 2022 American Transplant Congress

    Effect of Immunosuppression Withdrawal After Graft Failure on Re-Kidney Transplantation Outcomes

    J. Ahn1, S. Sandal2, S. Bae1, D. Segev1, M. McAdams-DeMarco1

    1Johns Hopkins University, Baltimore, MD, 2McGill University, Montreal, QC, Canada

    *Purpose: The risk and benefit of immunosuppression use after graft failure need to be addressed to improve patient and graft survival after their re-kidney transplantation…
  • 2022 American Transplant Congress

    Inflammation After Kidney Transplantation Is Associated With Overall- And Death-censored Graft Loss

    T. F. Heldal, T. Jenssen, A. Hartmann, K. Heldal, A. Asberg

    Department of Transplantational Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway

    *Purpose: Early graft loss after kidney transplantation (KT) is mainly a result of acute rejection, while long-term graft loss episodes are often dependent on multifactorial…
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