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자료유형
학술저널
저자정보
Lim So Yun (Department of Infectious Diseases Asan Medical Center University of Ulsan College of Medicine Seoul Korea.) Yoon Young-In (Division of Hepatobiliary Surgery and Liver Transplantation Department of Surgery Asan Medical Center University of Ulsan College of Medicine Seoul Korea.) Ji Yeun Kim (Department of Infectious Diseases Asan Medical Center University of Ulsan College of Medicine Seoul Korea.) 탁은영 (울산대학교) 권현욱 (울산대학교) Sung Shin (Department of Surgery Asan Medical Center University of Ulsan College of Medicine) Kim Young Hoon (Division of Kidney and Pancreas Transplantation Department of Surgery Asan Medical Center University of Ulsan College of Medicine Seoul Korea) Song Gi-Won (Division of Hepatobiliary Surgery and Liver Transplantation Department of Surgery Asan Medical Center University of Ulsan College of Medicine Seoul Korea) Kim Sung-Han (Department of Infectious Diseases Asan Medical Center University of Ulsan College of Medicine Seoul Korea.) Lee Sung-Gyu (Division of Hepatobiliary Surgery and Liver Transplantation Department of Surgery Asan Medical Center University of Ulsan College of Medicine Seoul Korea)
저널정보
대한이식학회 Clinical Transplantation and Research Korean Journal of Transplantation Vol.37 No.1
발행연도
2023.3
수록면
49 - 56 (8page)
DOI
10.4285/kjt.22.0056

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Background: Solid organ transplant recipients exhibit decreased antibody responses, mainly due to their weakened immune systems. However, data are limited on antibody responses after the primary series of coronavirus disease 2019 (COVID-19) vaccines among recipients of various solid organ transplant types. Thus, we compared the antibody responses after three COVID-19 vaccine doses between liver transplant (LT) and kidney transplant (KT) recipients. Methods: We prospectively enrolled solid organ transplant recipients who received three COVID-19 vaccine doses from June 2021 to February 2022 and measured S1-specific immunoglobulin G antibodies using an enzyme-linked immunosorbent assay. Results: Seventy-six LT and 17 KT recipients were included in the final analysis. KT recipients showed consistently lower antibody responses even after the third vaccine dose (86.2% vs. 52.9%, P=0.008) and lower antibody titers (median, 423.0 IU/mL [interquartile range, 99.6–2,057 IU/mL] vs. 19.7 IU/mL [interquartile range, 6.9–339.4 IU/mL]; P=0.006) than were observed in LT recipients. Mycophenolic acid was a significant risk factor for a seropositive antibody response after the third vaccine dose in the multivariable analysis (odds ratio, 0.06; 95% confidence interval, 0.00–0.39; P=0.02). Conclusions: We found a weaker antibody response despite the completion of the primary series of COVID-19 vaccines in KT recipients than in LT recipients. Mycophenolic acid use in KT recipients might be the main contributor to this observation.

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