2020 American Transplant Congress
Comparison of Reduced-Dose and Labeled-Dose Belatacept Conversion with Immediate or Early Tacrolimus Withdrawal in Kidney Transplant Recipients without Maintenance Corticosteroids
1U Cincinnati, Cincinnati, OH, 2The Christ Hospital, Cincinnati, OH
*Purpose: A primary reason for conversion from tacrolimus (TAC) to belatacept (BELA) is to avoid nephrotoxicity. Previous published experiences with BELA-conversion regimens have shown increased…2020 American Transplant Congress
Altering Homeostatic Repopulation with Thymic Irradiation and Donor Mesenchymal Stem Cell Infusions in a Nonhuman Primate Model
Department of Surgery, Duke University Medical Center, Durham, NC
*Purpose: Lymphocyte depletion and subsequent homeostatic repopulation present opportunities to shape the alloreactive immune repertoire to favor tolerance. We tested if the addition of thymic…2020 American Transplant Congress
Selective Dual Co-Stimulatory Blockade of CD28/CD80-86 and PD1-PL2 with a Novel Recombinant Bi-Specific Fusion Protein (Hybri-2) Promotes Successful Humoral Desensitization in a Stringent Sensitized Rat Model
*Purpose: Humoral Alloimmune memory is a main barrier for successful kidney transplantation and is orchestrated by a compartmentalized cellular immune response driven by bone-marrow LLPCs…2020 American Transplant Congress
7-Years Retrospective Cohort of CNI to Belatacept Conversion
*Purpose: Analyze the long-term evolution after calcineurin inhibitors (CNIs) to Belatacept conversion in kidney allograft recipients.*Methods: In this single-center retrospective study, we collected all patients…2020 American Transplant Congress
CMV, EBV and BKV Viremia Rate Varied Depending on the Timing of Conversion to Belatacept (BLT)- from Calcineurin Inhibitor (CNI)-Based Immunosuppression and HLA-Sensitization (HS) Status in Kidney Transplant Patients (KTx Pts)
Cedars-Sinai Medical Center, Los Angeles, CA
*Purpose: Viral infections (VI) represent significant morbidity and mortality factors for KTx Pts. We previously showed more VI in BLT-treated Pts compared with CNI Pts…2020 American Transplant Congress
Mitochondrion-Endothelial Interaction Generates Danger Signal in Promoting Costimulation-Resistant T Cell-Mediated Allograft Rejection
1Surgery, Duke University, Durham, NC, 2Immunology, Duke University, Durham, NC
*Purpose: Endothelial cells (ECs) play a critical role in allorecognition, presentation, and costimulation for initiation of alloimmune rejection. The objective of this study was to…2020 American Transplant Congress
Splenectomy Impedes B Cell Infiltration Associated with Rejection of Neonatal Porcine Islet Xenografts
*Purpose: Xenotransplantation has historically been frustrated by antibody-mediated rejection. Splenectomy has shown efficacy in mediating humoral immunity. We hypothesized that adding splenectomy to a clinically…2020 American Transplant Congress
Conversion to Belatacept (BLT)- from Calcineurin Inhibitor (CNI)-Based Immunosuppression During the First Year Post-Transplant (<1yr Tx) Increases Risk for CMV Infection Through Inhibition of Anti-CMV Humoral Immunity
Cedars-Sinai Medical Center, Los Angeles, CA
*Purpose: We have shown a higer CMV infection rate in kidney Tx patients (KTx Pts) who were converted to BLT 1yr post-Tx. Viral infections are…2019 American Transplant Congress
Belatacept Based Simultaneous Calcineurin Inhibitor Avoidance/Early Corticosteroid Withdrawal is Associated with Low New Onset Diabetes Risk
*Purpose: Calcineurin inhibitor (CNI) and/or corticosteroid (CCS) therapy are associated with significant risk of new onset diabetes after transplantation (NODAT). An important consideration for simultaneous…2019 American Transplant Congress
CNI-Free Therapy with Iscalimab (anti-CD40 mAb) Preserves Allograft Histology Compared to Standard of Care after Kidney Transplantation
*Purpose: To assess if calcineurin (CNI)-free therapy with iscalimab preserves the quality of transplanted kidney grafts.*Methods: Iscalimab (CFZ533) is a new, fully human, Fc-silenced, non-depleting,…
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