Articles tagged "Vaccination"

2022 American Transplant Congress
Factors Contributing To SARS-CoV-2 Vaccine Hesitancy In Kidney Transplant Candidates
P. LaBella¹, E. Silverman², S. Mehta³, N. M. Ali⁴
¹Transplant Infectious Disease, New York University Langone Health, New York, NY, ²Transplant Infectious Disease, New York University Grossman School of Medicine, New York, NY, ³New York University Langone Transplant Institute, New York, NY, ⁴Transplant Institute, NYU Langone Health, New York, NY
*Purpose: SARS-CoV-2 infection in kidney transplant recipients is associated with an increased risk of severe disease and mortality relative to other patient populations, with mortality…
2022 American Transplant Congress
B Cells Fit for Germinal Center Activity Predict Response to a Third Dose of SARS-CoV-2 Vaccine in Solid Organ Transplant Recipients
E. A. Thompson¹, A. H. Karaba¹, K. Cascino¹, K. Roznik¹, T. Chiang¹, L. Biavatti¹, A. T. Abedon¹, J. L. Alejo¹, S. L. Klein¹, J. N. Blankson¹, D. S. Warren¹, C. X. Qin¹, J. Mitchell¹, J. M. Garonzik-Wang², B. J. Boyarsky¹, D. L. Segev¹, A. A. Tobian¹, W. A. Werbel¹, A. L. Cox¹, J. R. Bailey¹
¹Johns Hopkins University, Baltimore, MD, ²University of Wisconsin School of Medicine and Health, Madison, WI
*Purpose: While SARS-CoV-2 vaccination has dramatically reduced COVID-19 severity in the general population, fully vaccinated solid organ transplant recipients (SOTRs) demonstrate reduced seroconversion and increased…
2022 American Transplant Congress
High TTV Load Before First Vaccine Dose is Associated with Poor Serological Response to Covid-19 Vaccination in Lung Transplant Recipients
C. C. Van Leer Buter¹, R. A. Hoek², E. A. Verschuuren³, R. D. de Vries⁴, D. van Baarle¹, M. van der Heiden¹, H. G. Niesters¹, C. GeurtsvanKessel⁴
¹Dept. of Medical Microbiology, University Medical Center Groningen, Groningen, Netherlands, ²Dept. of Pulmonary Medicine, Erasmus Medical Center, Rotterdam, Netherlands, ³Dept. of Pulmonary Diseases,, University Medical Center Groningen, Groningen, Netherlands, ⁴Dept. of Viroscience, Erasmus Medical Center, Rotterdam, Netherlands
*Purpose: Torque tenovirus (TTV), a highly prevalent virus which is not known to cause pathology in humans, is currently being investigated as a marker of…
2022 American Transplant Congress
Kinetics of dd-cfDNA in Kidney Transplant Recipients Following Sars-CoV-2 Vaccination Booster Administration
N. M. Ali¹, S. Mehta¹, V. Tatapudi¹, A. Mattoo¹, I. Soomro¹, J. Benstein¹, H. Neumann¹, F. Zervou¹, J. Miles², R. Montgomery¹
¹Transplant Institute, NYU Langone Health, New York, NY, ²CareDx, Brisbane, CA
*Purpose: Evolving data suggests booster vaccine doses enhance the immunogenicity of SARS-CoV-2 vaccines in solid organ transplant recipients with higher IgG responses, neutralizing antibodies titers,…
2022 American Transplant Congress
Additional Dose of SARS-CoV-2 Vaccine Increases Neutralization Capacity in Solid Organ Transplant Recipients
Y. Yoo¹, J. Husson², T. Iraguha³, S. Niederhaus⁴, X. Wen⁵, A. Crane⁵, A. Carrier⁵, J. Avruch⁵, A. Ahuja⁶, M. Mathew⁷, S. Dahiya⁸, A. P. Rapoport⁸, D. Atanackovic⁸, K. K. Saharia²
¹Inst of Human Virology, Baltimore, MD, ²Div of Infect Diseases, Univ of Maryland School of Med. and Inst of Human Virology, Baltimore, MD, ³Univ of Maryland School of Med. and Greenebaum Comprehensive Cancer Center, Baltimore, MD, ⁴Dept of Surgery, Univ of Maryland School of Med., Baltimore, MD, ⁵Dept of Surgery, Univ of Maryland Med. Center, Baltimore, MD, ⁶Dept of Medicine, Univ of Maryland Med. Center, Baltimore, MD, ⁷Div of Infect. Diseases, Univ of Maryland Med. Center, Baltimore, MD, ⁸Dept of Medicine, Univ of Maryland School of Med. and Greenebaum Comprehensive Cancer Center, Baltimore, MD
*Purpose: Solid organ transplant recipients (SOTR) develop weak antibody responses after SARS-CoV-2 vaccination. Published data on neutralizing activity of plasma, a better measure of protection,…
2022 American Transplant Congress
Better Antibody Response After a Dose of Ad.26.cov2.s vs MRNA Vaccines in Seronegative Transplant Recipients After 2-Dose MRNA Vaccination
J. L. Alejo¹, T. Chiang¹, J. Mitchell¹, A. Abedon¹, L. Thomas¹, A. Chang¹, S. Bae¹, R. Avery¹, A. Tobian¹, A. Massie¹, M. Levan¹, D. Warren¹, J. Garonzik-Wang², D. Segev¹, W. Werbel¹
¹JHU, Baltimore, MD, ²U of Wisconsin, Madison, WI
*Purpose: To compare antibody response to a third dose (D3) of SARS-CoV-2 vaccine in solid organ transplant recipients (SOTRs) with negative or low-positive antibody levels…
2022 American Transplant Congress
SARS-CoV-2 Antibody Response by mRNA Vaccine Platform in Incrementally Immunosuppressed Patients
J. Mitchell¹, C. Connolly¹, T. Chiang¹, J. Alejo¹, W. Werbel¹, D. Segev¹, A. Massie²
¹Johns Hopkins University, Baltimore, MD, ²Johns Hopkins School of Medicine, Baltimore, MD
*Purpose: This study compares SARS-CoV-2 antibody responses between the two-dose mRNA-1273 and BNT162b2 vaccine series across groups of incrementally immunosuppressed patients.*Methods: Semiquantitative testing for antibodies…
2022 American Transplant Congress
Antibody Response to Sars-CoV-2 Vaccine Among Kidney Transplant Recipients: A Retrospective Cohort Study
H. Ishida¹, K. Unagami², K. Ishii³, T. Kanzawa², T. Yagisawa⁴, K. Tanabe², M. Furusawa²
¹Tokyo Women's, Tokyo, Japan, ²Tokyo Women's Medical University, Tokyo, Japan, ³Tokyo Wimen's Medical University, Tokyo, Japan, ⁴Department of Urology, Tokyo Women's Medical University, Tokyo, Japan
*Purpose: We examined a positivity of corona virus antibody in kidney transplant recipients who received two-doses BNT162B2 (mRNA) vaccination during the beginning 6 months in…
2022 American Transplant Congress
COVID Infection Among Kidney Transplant Recipient During the Era of COVID Vaccination: Management Outcomes
G. Uehara, K. Soliman, V. Rao, M. Casey, D. Taber, M. Posadas Salas
Nephrology, Medical University of South Carolina, Charleston, SC
*Purpose: COVID pandemic has posed a significant challenge among kidney transplant recipients (KTR) due to their immunocompromised state. There is uncertainty on immunosuppression (IS) management…
2022 American Transplant Congress
Antibody Response and Molecular Graft Surveillance in Kidney Transplant Recipients Following Sars-CoV-2 Vaccination
N. M. Ali¹, J. Miles², S. Mehta¹, V. Tatapudi¹, Z. Stewart¹, B. Lonze¹, M. Mangiola¹, C. DiMaggio¹, E. Weldon¹, I. Saeed¹, J. Leonard¹, R. Herati¹, J. Thomas¹, J. Michael¹, C. Hickson¹, K. Cartiera¹, R. Montgomery¹
¹Transplant Institute, NYU Langone Health, New York, NY, ²CareDx, Brisbane, NY
*Purpose: Preliminary studies suggest that kidney transplant recipients (KTRs) show diminished humoral responses to SARS-CoV-2 vaccination. Although reports of allograft rejection after SARS-CoV-2 vaccination have…

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