ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Immunosuppression"

  • 2015 American Transplant Congress

    Belatacept-Treated Patients Had Better Graft Survival at 7-Years Post-Transplant Compared With Cyclosporine-Treated Patients: Final Results from BENEFIT

    F. Vincenti,1 J. Grinyó,2 L. Rostaing,3 K. Rice,4 S. Steinberg,5 M. Moal,6 M. Polinsky,7 U. Meier-Kriesche,7 C. Larsen.8

    1Univ of Calif, San Francisco; 2Univ Hosp Bellvitge, Barcelona, Spain; 3Univ Hosp and INSERM U563,IFR-BMT, Toulouse, France; 4Baylor Univ Med Ctr, Dallas; 5Sharp Memorial Hosp, San Diego; 6Hôp de La Cavale Blanche, Brest, France; 7BMS, Lawrenceville; 8Emory Univ Transpl Ctr, Atlanta.

    Background: At 3yrs, improvement in renal function was seen in kidney transplant recipients treated with belatacept (bela) vs cyclosporine (CsA) in BENEFIT. Here we report…
  • 2015 American Transplant Congress

    Clinical Utility of Allospecific CD154+T-Cells in Children With Liver Or Intestine Transplantation (LTx, ITx)

    K. Soltys, G. Bond, G. Mazariegos, C. Ashokkumar, K. Dirling, L. O'Toole, P. Kachmar, T. Hartle, D. Martin, C. Trautz, R. Sindhi.

    Hillman Center for Pediatric Transplantation, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA.

    Background: Allospecific CD154+T-cytotoxic memory (CD154+TcM) have completed investigational evaluation as predictors of acute cellular rejection in children with LTx or ITx.Purpose: To evaluate CD154+TcM** as…
  • 2015 American Transplant Congress

    Dual PI3K-mTOR Inhibition on Human T Cell Activation, Proliferation, and Differentiation: The First Step in the Development of New Immunosuppressants

    V. Vilchez,1 A. Castellanos,1 D. Butterfield,3 M. Mitov,3 C. Hoopes,1 F. Marti,2 R. Gedaly.1

    1Department of Surgery - Transplant Section, University of Kentucky, Lexington, KY; 2Department of Microbiology, Immunology and Molecular Genetics, University of Kentucky, Lexington, KY; 3Free Radical Biology in Cancer Shared Resource Facility, University of Kentucky, Lexington, KY.

    Background: Regulatory T lymphocytes (Tregs) contribute to transplant tolerance. We have demonstrated that the inhibition of PI3K-mTOR pathway has a major role in the differentiation…
  • 2015 American Transplant Congress

    Induction of iNOS Expressed Macrophages from Mouse iPS cells That Contribute to Prolong Same iPS Cells-Derived Graft Survival in Allogeneic Recipients

    H. Sasaki,1 H. Wada,2 K. Morita,1 K.-I. Seino,2 N. Shinohara.1

    1Genitourinary Surgery, Hokkaido University, Sapporo, Japan; 2Institute for Genetic Medicine, Hokkaido University, Sapporo, Japan.

    BACKGROUND: Induced pluripotent stem cells (iPSCs)-technology provides new opportunities in regenerative medicine to generate grafts from donors for transplantation. However, particularly when allogeneic iPSCs are…
  • 2015 American Transplant Congress

    Variants Associated With Tacrolimus Troughs in European American Kidney Transplant Recipients: A Genome Wide Association Study

    P. Jacobson,1 M. Miller,2 D. Schladt,3 A. Israni,3 K. Sanghavi,1 C. Dorr,3 R. Remmel,1 W. Guan,4 A. Matas,5 W. Oetting.1

    1College of Pharmacy, University of MN, Minneapolis, MN; 2Department of Psychology, University of MN, Minneapolis, MN; 3Department of Nephrology and Chronic Disease Research Group, Minneapolis Medical Research Foundation, Hennepin County Medical Center, Minneapolis, MN; 4Department of Biostatistics, University of MN, Minneapolis, MN; 5Department of Surgery, University of MN, Minneapolis, MN.

    Tacrolimus (tac) is dependent on CYP3A4/5 for metabolism. Variability in the metabolism is influenced by CYP3A5*3 alleles. This variant and clinical factors explain around 50%…
  • 2015 American Transplant Congress

    Does Infection Impact On Tacrolimus Blood Levels in Kidney Transplant Recipients?

    N. Kanaan,1 C. Percy,1 Z. Hassoun,2 M. Mourad,3 C. Beguin,4 M. De Meyer,3 E. Goffin.1

    1Nephrology, Cliniques Universitaires Saint Luc, Brussels, Belgium; 2Gastroenterology, Cliniques Universitaires Saint Luc, Brussels, Belgium; 3Abdominal Surgery and Transplantation, Cliniques Universitaires Saint Luc, Brussels, Belgium; 4Medical Information and Statistics, Cliniques Universitaires Saint Luc, Brussels, Belgium.

    Background Tacrolimus (Tac) is the cornerstone of immunosuppressive therapy in kidney transplant recipients. It is metabolized by members of the cytochrome p450 (CYP) 3A subfamily…
  • 2015 American Transplant Congress

    Development and Validation of a Genotype Guided Tacrolimus Dosing Equation for African American (AA) Kidney Transplant Recipients

    K. Sanghavi,1 R. Brundage,1 M. Miller,2 D. Schaldt,3 A. Israni,3 W. Guan,4 W. Oetting,1 R. Mannon,5 R. Remmel,1 A. Matas,6 P. Jacobson.1

    1College of Pharmacy, University of MN, Minneapolis, MN; 2Dept of Psychology, University of MN, Minneapolis, MN; 3Minneapolis Medical Research Foundation, Hennepin County Medical Center, Minneapolis, MN; 4Dept of Biostatistics, University of MN, Minneapolis, MN; 5Dept of Nephrology, University of AL, Birmingham, AL; 6Dept of Surgery, University of MN, Minneapolis, MN.

    Tacrolimus (tac) has a strong exposure-response relationship with high inter-individual variability in troughs and dose. Tac dose requirements for AA patients are higher than Caucasians,…
  • 2015 American Transplant Congress

    Calcineurin-Inhibitor Conversion to mTOR Inhibitor in Renal Transplant Recipients Leads to Worse Long Term Clinical Outcomes

    A. Alvarado,1 A. Shetty,1 O. Traitanon,1 J. Leventhal,1 V. Mas,2 D. Chhabra,3 J. Matthews,1 L. Gallon.1

    1Comprehensive Transplant Center, Northwestern University, Chicago, IL; 2University of Virgina, Charlottesville, Va; 3Advocate Christ Medical Center, Chicago, IL.

    We previously reported the short-term feasibility of Calcineurin-Inhibitor (CNI) elimination in kidney transplant recipients. We now report the long-term clinical impact on renal allograft function…
  • 2015 American Transplant Congress

    Month 48 Follow-Up Results of HERAKLES Trial on Three Different Treatment Regimen and Switching Off Behaviour in De Novo Renal Transplant Patients

    W. Arns,1 K. Budde,1 C. Sommerer,1 O. Witzke,1 M. Guba,1 J. Jacobi,1 B. Vogt,3 P. Reinke,1 I. Hauser,1 R. Stahl,1 T. Rath,1 D. Baeumer,2 M. Porstner,2 M. Zeier,1 F. Lehner,1 V. Kliem.1

    1Herakles Study Group, Germany; 2Novartis, Pharma, Germany; 3Herakles Study Group, Switzerland.

    Aim: To compare switching off 3 different immunosuppressive (IS) regimen 4years after renal transplantation (Tx).Methods: 802 patients (pts) were included in this prospective, open-label, randomized,…
  • 2015 American Transplant Congress

    Deceased Donor Kidney Transplantation Without Calcineurin Inhibitors or Steroids

    A. Kirk,1,2 A. Guasch,1 S. Mead,1 A. Ghali,1 A. Mehta,1 H. Gebel,1 R. Bray,1 C. Larsen,1 T. Pearson.1

    1Transplant Center, Emory University, Atlanta, GA; 2Surgery, Duke University, Durham, NC.

    Kidney transplantation remains limited by toxicities of calcineurin inhibitors (CNIs) and steroids. Belatacept is a less toxic CNI alternative delivered by monthly intravenous infusion, but…
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