ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Co-stimulation"

  • 2018 American Transplant Congress

    Graft Dendritic Cell p40 Homodimers Activate Donor-Reactive Endogenous Memory CD8 T Cells within Higher Risk Allografts

    H. Tsuda, A. Valujskikh, R. Fairchild.

    Immunology, Cleveland Clinic, Cleveland, OH.

    Memory T cells with donor-reactivity pose a major barrier to successful allograft transplantation and tolerance induction. Longer cold ischemic storage (CIS) prior to transplantation promotes…
  • 2018 American Transplant Congress

    p40 Homodimer Induced Proliferation of Endogenous Donor-Reactive Memory CD8 T Cells within High Risk Allografts Requires Memory CD8 T Cell Expression of CD122

    H. Tsuda, A. Valujskikh, R. Fairchild.

    Immunology, Cleveland Clinic, Cleveland, OH.

    Increasing the duration of cold ischemic storage (CIS) from 0.5 to 8 hrs prior to transplant induces the increased proliferation of endogenous donor-reactive CD4 and…
  • 2018 American Transplant Congress

    The BEST Trial: A Prospective Randomized Multicenter Trial of Belatacept-Based CNI- and Corticosteroid-Free Immunosuppression

    E. Woodle,1 D. Kaufman,2 A. Shields,1 J. Leone,3 A. Wiseman,4 A. Matas,5 P. West-Thielke,6 E. King,1 R. Alloway.1

    1U Cincinnati, Cincinnati; 2U Wisconsin, Madison; 3Tampa General, Tampa; 4U Colorado, Denver; 5U Minnesota, Minneapolis; 6UIC, Chicago.

    Previous large multicenter belatacept (BELA)-based CNI- and steroid-free immunosuppressive trials have not enrolled to completion due to safety concerns. The BEST Trial (Belatacept-based Early Steroid…
  • 2018 American Transplant Congress

    Late Conversion from Calcineurin Inhibitors to Belatacept is Associated with a Sustained Improvement in Kidney Allograft Function

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

    Medicine/Nephrology, Cedars Sinai Medical Center, Los Angeles, CA.

    Introduction: Belatacept was shown to have longer kidney graft survival and higher eGFR at 7 years than a calcineurin inhibitor (CNI)-based regimen in the BENEFIT…
  • 2018 American Transplant Congress

    Clinical Outcomes of Conversion from Calcineurin Inhibitor to Belatacept-Based Immunosuppression in Highly Sensitized Kidney Transplant Recipients

    S. Sethi, J. Choi, A. Vo, A. Peng, K. Lim, R. Najjar, S. Jordan, E. Huang.

    Cedars Sinai Medical Center, Los Angeles.

    Introduction:Efficacy of belatacept when converted from calcineurin inhibitors (CNI) in high immunologic risk patients has not been established. We examined the impact of HLA-sensitization on…
  • 2018 American Transplant Congress

    Presence of Chronic Vascular Lesions on Allograft Biopsy is Associated with Greater Improvement in Renal Function after Conversion from Tacrolimus to Belatacept

    M. Perez-Saez,1,2 B. Yu,1 A. Uffing,1 N. Murakami,1 J. Azzi,1 S. El Haji,3 S. Gabardi,3 L. Riella.1

    1Transplantation Research Center, Renal Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA; 2Servicio de Nefrologia, Hospital del Mar, Barcelona, Spain; 3Pharmacy Services, Brigham and Women's Hospital, Harvard Medical School, Boston, MA.

    Background: Conversion from tacrolimus to belatacept has been shown to be beneficial for an increasing number of kidney transplant (KT) patients. However, predicting factors for…
  • 2018 American Transplant Congress

    Precision Medicine for Determining the Efficacy of a Novel Belatacept Regimen

    J. Shoji, J. Leung, E. Tavares, Q. Tang, F. Vincenti.

    Transplant Nephrology, UCSF, San Francisco, CA.

    IntroBelatacept is increasingly used as maintenance immunosuppression to improve long term outcomes in kidney transplant. Since acute rejection in patients on belatacept have been noted…
  • 2018 American Transplant Congress

    Cognition after Belatacept Conversion

    C. Ogbejesi, E. Cohen, K. Belfield, W. Asch.

    Yale University, New Haven, CT.

    Intro: Kidney Transplant Recipients (KTRs) taking calcineurin inhibitors (CNIs) can experience varying drug toxicities. Less well studied compared to the metabolic consequences, many patients report…
  • 2018 American Transplant Congress

    Metabolic Therapy as a Platform for CTLA4Ig Costimulation Blockade in Preventing Allograft Rejection

    C-.H. Cheng,1,2 C-.F. Lee,1,2 G. Furtmüller,3 B. Oh,3 C. Patel,1 Y-.C. Lo,1 M. Fryer,3 G. Brandacher,3 J. Powell.1

    1Sidney-Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD; 2Department of Liver and Transplantation Surgery, Chang-Gung Memorial Hospital, New Taipei City, Taiwan; 3Vascularized Composite Allotransplantation Laboratory, Department of Plastic and Reconstructive Surgery, Johns Hopkins University School of Medicine, Baltimore, MD.

    The backbone of current immunosuppression regimens remains calcineurin inhibitors (CNI) in association with steroids, mycophenolate mofetil or mTOR inhibitors. However, their long-term administration is associated…
  • 2018 American Transplant Congress

    Urinary CXCL9 Monitoring to Accompany a Safe CNI-to-Belatacept Conversion in Kidney Transplant Patients

    P. Malvezzi,1 C. Fischman,2 T. Jouve,1 B. Janbon,1 P. Heeger,2 L. Rostaing,1 P. Cravedi.2

    1Service de Néphrologie, Dialyse, Aphérèses et Transplantation, CHU Grenoble Alpes, Grenoble, France; 2Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY.

    Background: Converting renal transplant recipients from CNI to belatacept immunosuppression has been proposed as a strategy to limit nephrotoxicity, but it is associated with an…
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