ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Co-stimulation"

  • 2022 American Transplant Congress

    Selective CD28 Blockade Impacts T Cell Differentiation During Hematopoietic Reconstitution Following Lymphodepletion

    J. Habib, D. Liu, R. L. Crepeau, M. E. Wagener, M. L. Ford

    Emory University, Atlanta, GA

    *Purpose: Costimulation blockade targeting the CD28 pathway provides improved long-term transplant survival without the nephrotoxicity of calcineurin inhibitors. However, treatment with the CTLA-4Ig fusion protein…
  • 2022 American Transplant Congress

    Real World Experience Utilizing Donor Kidneys at Risk for Acute Kidney Injury with Belatacept Based Maintenance Immunosuppression

    B. Sirandas, A. Chan, M. Eiting, T. Larson, C. Truax, L. Smith

    University of Utah Health, Salt Lake City, UT

    *Purpose: The demand for kidney transplant continues to rise, and limited supply has encouraged acceptance of marginal donor organs, such as those at risk for…
  • 2022 American Transplant Congress

    Co-stimulation Patways Pd-1 (the Programmed Death 1) And Icos (the Inducible T Cell Co-stimulator) In Peripheral Mononuclear Cells Mesured By Flow Cytometry As A Possible Tool In The Follow-up And Diagnosis Of Kidney Transplant Rejection.

    M. A. Carmona-Escamilla

    Posgrado de Ciencias médicas, Universidad Nacional Autonoma de México, CDMX, Mexico

    *Purpose: Currently, the follow-up of KT in the clinic remains the creatinine levels, this is a highly specific, however, without sensitivity to determine diagnosis of…
  • 2022 American Transplant Congress

    Clinically Available Immunosuppressive Agents Prolong Pig-to-Primate Kidney Xenograft Survival

    I. J. Anwar1, Q. Gao1, I. DeLaura1, J. Yoon1, R. Baldi1, M. Youd2, K. Stiede2, K. Hall2, S. Knechtle1, J. Kwun1

    1Surgery, Duke Transplant Center, Durham, NC, 2eGenesis Inc, Cambridge, MA

    *Purpose: Most immunosuppressive regimens used in Pig-To-Primate Xenotransplantation contain anti-CD154 agents, compounds that are currently not FDA-approved. The aim of this study was to assess…
  • 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

    Impact of Early Calcineurin-Inhibitor Conversion to Belatacept on Renal Allograft Function in a Steroid-Free Maintenance Regimen: Results from a Randomized Controlled Study

    I. Tawhari1, P. Hallak1, S. Hartzell2, V. Mas3, P. Cravedi2, J. Leventhal1, J. Ansari1, L. Gallon1

    1Northwestern University, Chicago, IL, 2Mount Sinai, New York, NY, 3University of Maryland, Baltimore, MD

    *Purpose: Belatacept (Bela) was developed to minimize nephrotoxicity and cardiovascular risk associated with Calcineurin inhibitors (CNIs). Early steroid withdrawal (ESW) and simultaneous CNI avoidance (CNIA)…
  • 2021 American Transplant Congress

    Belatacept Pharmacokinetic Analysis Comparing Belatacept Early Steroid Withdrawal Trial (BEST) with Benefit and Benefit-ext Trials

    A. Bickenbach1, M. McGowan1, B. Miyagawa2, T. Mizuno2, A. Shields3, A. Christianson1, P. West-Thielke4, J. Leone5, E. Woodle1, D. Kaufman6, A. Wiseman7, A. Matas8, A. Vinks2

    1U Cincinnati, Cincinnati, OH, 2Cincinnati Childrens Med Center, Cincinnati, OH, 3Christ Hospital, Cincinnati, OH, 4UIC, Chicago, IL, 5Tampa Gen, Tampa, FL, 6U Wisconsin, Madison, WI, 7Centura Transplant, Denver, CO, 8U Minnesota, Minneapolis, MN

    *Purpose: Belatacept(BELA) pharmacokinetic(PK) studies informed dosing in phase 3 studies where fixed mg/kg dosing compared a less intense(LI) and more intense(MI) regimen. LI was preferred…
  • 2021 American Transplant Congress

    Belatacept Conversion in Elderly Renal Transplant Recipients

    M. Durst1, D. Felix1, M. Jorgenson1, J. Descourouez1, B. C. Astor2, D. Mandelbrot2

    1UW Health, Madison, WI, 2University of Wisconsin School of Medicine and Public Health, Madison, WI

    *Purpose: Describe the impact of conversion from a calcineurin inhibitor (CNI) based immunosuppressive regimen to belatacept in elderly renal transplant recipients.*Methods: Adult renal transplant patients…
  • 2021 American Transplant Congress

    Infectious Complications After Belatacept Conversion in Kidney Transplant

    J. E. Marvin1, D. Amenyedor1, M. M. Azar2, K. Belfield1, V. Do1, R. Formica3, E. Cohen1

    1Pharmacy, Yale New Haven Hospital, New Haven, CT, 2Section of Infectious Diseases, Yale School of Medicine, New Haven, CT, 3Section of Nephrology, Yale School of Medicine, New Haven, CT

    *Purpose: Tacrolimus (tac), a calcineurin inhibitor, is associated with multiple adverse effects when used for immunosuppression following kidney transplant (KT). Belatacept (bela) is a monoclonal…
  • 2021 American Transplant Congress

    A Comparison of Belatacept Conversion Regimens from Calcineurin Inhibitor-Based Immunosuppression

    E. Huang, A. Vo, A. Peng, R. Najjar, S. Sethi, S. Jordan

    Cedars-Sinai Medical Center, Los Angeles, CA

    *Purpose: Outcomes with varying belatacept conversion protocols from calcineurin inhibitor (CNI)-based immunosuppression have been published but no standard protocol has been established. Beginning in 2012,…
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