Abstracts Archive - ATC Abstracts

2022 American Transplant Congress
HLA-II Subclasses Behave Differently Between Themselves and Between Humans: Cues to Understand Alloreactivity
S. Beland, O. Desy, M. Marcoux, M. Thivierge, J. Desgagnes, S. A. De Serres
Transplantation Unit, Renal Division, University Health Center of Quebec, Faculty of Medicine, Universite Laval, Quebec, QC, Canada
*Purpose: De novo anti-HLA-II DSAs (dnDSA) are associated with antibody-mediated rejection. However, some patients with anti-HLA-II DSAs will not develop rejection, suggesting that the development…
2022 American Transplant Congress
A Randomised Trial Of Normothermic Machine Perfusion Versus Static Cold Storage In Donation After Circulatory Death Renal Transplantation
S. Hosgood¹, C. Callaghan², C. Wilson³, G. Oniscu⁴, B. Phillips⁵, L. Bates³, L. Smith⁶, M. L. Nicholson⁷
¹Surgery, University of Cambridge, Cambridge, United Kingdom, ²Transplant, Guys & St Thomas's, London, United Kingdom, ³Transplant, Freeman Hospital, Newcastle, United Kingdom, ⁴Edinburgh Royal Infirmary, Edinburgh, United Kingdom, ⁵Transplant, Guy's & St Thomas's, London, United Kingdom, ⁶NHSBT, NHSBT, Bristol, United Kingdom, ⁷University of Cambridge, Cambridge, United Kingdom
*Purpose: Kidneys from donation after circulatory death (DCD) donors are more susceptible to cold storage injury and have a high risk of delayed graft function…
2022 American Transplant Congress
Pegylated Lacritin N-104 Promotes Mouse Islet Stabilization and Prevents Diabetes Progression in the Non-Obese Diabetic (NOD) Mouse Model
M. Ma¹, P. Chhabra¹, G. Laurie², K. L. Brayman¹
¹Department of Surgery, University of Virginia Health System, Charlottesville, VA, ²Department of Cell Biology, University of Virginia Health System, Charlottesville, VA
*Purpose: To investigate if PEGylated Lacritin N-104 (PEG N-104) prevents the progression of type 1 diabetes (T1D) in the NOD mouse.*Background: Lacritin is a multifunctional…
2022 American Transplant Congress
Long-Term Kidney Allotransplant Acceptance is Defined by a Shift from a T Cell to a B Cell Rich Immune Microenvironment Within the Graft
E. S. Szuter¹, T. Yokose¹, M. T. Guinn¹, J. Ge², I. Rosales³, B. Kwon⁴, P. S. Russell¹, A. Cuenca², D. Kreisel⁵, P. Sage⁶, J. C. Madsen¹, R. B. Colvin³, A. Alessandrini¹
¹Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA, ²Department of Surgery, Boston Children's Hospital, Boston, MA, ³Department of Pathology, Massachusetts General Hospital, Boston, MA, ⁴Harvard College, Cambridge, MA, ⁵Department of Surgery, Washington University, St. Louis, MO, ⁶Transplantation Research Center, Renal Division, Brigham and Women’s Hospital, Boston, MA
*Purpose: Mouse kidney allografts are spontaneously accepted in select, fully-mismatched donor-recipient strain combinations, such as DBA/2J to C57BL/6 (B6). Tolerant renal grafts develop aggregates of…
2022 American Transplant Congress
COVID-19 Vaccination Induces a Poor Interleukin-21 Memory T-cell Response in Kidney Transplant Recipients
S. R. Malahe¹, Y. den Hartog¹, R. de Kuiper¹, D. Reijerkerk¹, D. Geers², C. H. GeurtsvanKessel², M. M. Kho¹, R. D. de Vries², M. E. Reinders¹, C. C. Baan¹
¹Internal Medicine, Nephrology and Transplantation, Erasmus MC, Rotterdam, Netherlands, ²Viroscience, Erasmus MC, Rotterdam, Netherlands
*Purpose: COVID-19-related morbidity and mortality is high among kidney patients. Several studies recently suggested low humoral and cellular immune responses after two doses of mRNA-1273…
2022 American Transplant Congress
Results Of The Ctot19 Trial: Infliximab (IFX) Induction Does Not Impact 2-year Outcomes In Deceased Donor Kidney Transplant Recipients
P. Heeger¹, B. Armstrong², T. Alhamad³, D. Brennan⁴, J. Bromberg⁵, S. Bunnapradist⁶, S. Chandran⁷, R. Fairchild⁸, D. Foley⁹, R. Formica¹⁰, I. W. Gibson¹¹, D. Hricik¹², K. Kesler², R. B. Mannon¹³, M. Menon¹⁰, K. Newell¹⁴, P. Nickerson¹¹, J. Odim¹⁵, E. Poggio⁸, R. Sung¹⁶, R. Shapiro¹, K. Tinckam¹⁷, F. Vincenti⁷
¹Mount Sinai, New York, NY, ²Rho, Durham, NC, ³Washington U, Saint Louis, MO, ⁴Johns Hopkins, Baltimore, MD, ⁵U Maryland, Baltimore, MD, ⁶UCLA, Los Angeles, CA, ⁷UCSF, San Francisco, CA, ⁸Cleveland Clinic, Cleveland, OH, ⁹U Wisconsin, Madison, WI, ¹⁰Yale, New Haven, CT, ¹¹U Manitoba, Winnipeg, MB, Canada, ¹²U Hosp Case, Cleveland, OH, ¹³U Nebraska, Omaha, NE, ¹⁴Emory, Atlanta, GA, ¹⁵NIAID NIH, Rockville, MD, ¹⁶U Michigan, Ann Arbor, MI, ¹⁷U Hlth Network, Toronto, ON, Canada
*Purpose: Ischemia-reperfusion (IR) of a kidney transplant (KTx) up-regulates tumor necrosis factor alpha (TNF) production within the allograft. IR-induced TNF amplifies post-KTx allograft inflammation and…
2022 American Transplant Congress
A Randomized Phase 2 Study Of Mau868 Vs Placebo To Treat Bk Viremia In Kidney Transplant Recipients
S. Jordan¹, A. P. Limaye², B. Fischbach³, P. Sood⁴, S. Collette⁵, L. Gasink⁶, M. W. Fordyce⁷, C. J. Lin⁷, M. Hodges⁶, D. C. Brennan⁸
¹Cedars-Sinai Medical Center, Los Angeles, CA, ²University of Washington, Seattle, WA, ³Dallas Nephrology Associates, Inc, Dallas, TX, ⁴University of Pittsburgh Medical Center, Pittsburgh, PA, ⁵Hôpital Maisonneuve-Rosemont, Montréal, QC, Canada, ⁶previous employee/consultant for Amplyx Pharmaceuticals, San Diego, CA, ⁷Vera Therapeutics, Inc, Brisbane, CA, ⁸Johns Hopkins School of Medicine, Baltimore, MD
*Purpose: To assess the safety and efficacy of MAU868, a BK virus-specific monoclonal antibody, in adult kidney transplant recipients with BK viremia.*Methods: This is a…
2022 American Transplant Congress
Single Blind Randomized Controlled Trial Comparing BNT162b2 Vs JNJ-78436735 Vaccine As An Additional Dose After Two Doses Of BNT162b2 Vaccine In Solid Organ Transplant (SOT) Recipients
Y. Natori¹, E. Martin², A. Mattiazzi³, J. Bini Viotti¹, K. S. Ortecho⁴, S. Pallikkuth⁵, S. Anjan¹, J. Simkins¹, G. Guerra³
¹Department of Medicine, Division of Infectious Diseases, University of Miami, Miami, FL, ²Department of Medicine, Division of Hepatology, University of Miami, Miami, FL, ³Department of Medicine, Division of Nephrology, University of Miami, Miami, FL, ⁴Miami Transplant Institute, Jackson Health System, Miami, FL, ⁵University of Miami, Miami, FL
*Purpose: Even though a high efficacy and immunogenicity of COVID-19 vaccines have been reported in the general population, vaccine immunogenicity is suboptimal in SOT recipients…
2022 American Transplant Congress
Ex Vivo End Ischemic Hypothermic Oxygenated Perfusion (hope) Versus Static Cold Storage Prior To Liver Transplantation – Preliminary Results Of The Bridge To Hope Pivotal Multicenter Randomized Controlled Clinical Trial On The Safety And Effectiveness Of The Vitasmart Liver Machine Perfusion System (clinicaltrials.gov: Nct05045794)
D. J. Reich¹, A. Schlegel², M. Rizzari³, D. Foley⁴, M. DeVera⁵, W. Chapman⁶, G. Roll⁷, A. Saharia⁸, C. Quintini⁹, S. Florman¹⁰, S. Merani¹¹, S. Mao¹², A. Pinna¹³, M. Akoad¹⁴, C. Kubal¹⁵, S. Alexopoulos¹⁶, H. Bohorquez¹⁷
¹Drexel University, Philadelphia, PA, ²Careggi U, Florence, Italy, ³Henry Ford, Detroit, MI, ⁴U Wisconsin, Madison, WI, ⁵Loma Linda, Loma Linda, CA, ⁶Washington U, Saint Louis, MO, ⁷UCSF, SF, CA, ⁸Methodist, Houston, TX, ⁹Cleveland Clinic, Cleveland, OH, ¹⁰Mount Sinai, NY, NY, ¹¹U Nebraska, Omaha, NE, ¹²Mayo, Jacksonville, FL, ¹³Cleveland Clinic, Weston, FL, ¹⁴Lahey, Burlington, MA, ¹⁵Indiana U, Indianapolis, IN, ¹⁶Vanderbilt, Nashville, TN, ¹⁷Ochsner, New Orleans, LA
*Purpose: Ex vivo end ischemic hypothermic oxygenated machine perfusion (HOPE) is a simple technique to improve liver transplant (LT) results and the donor shortage. HOPE…
2022 American Transplant Congress
Tacrolimus After Rabbit Antithymocyte Globulin And Infliximab Induction Immunosuppression In Kidney Transplantation
O. Viklicky¹, G. Bold², O. Bestard³, P. Hruba¹, I. Zahradka¹, N. M. Otto², M. Stein², A. Sefrin², S. Christakoudi⁴, P. M. Reinke²
¹Institute for Clinical and Experimental Medicine, Prague, Czech Republic, ²Charité, Berlin, Germany, ³Vall d'Hebron, Barcelona, Spain, ⁴King's College, London, United Kingdom
*Purpose: Selective targeting of effector/memory T cells as induction immunosuppression has been discussed in kidney transplantation. Confidence-interval-estimation study may help to estimate range of the…

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