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KMID : 0191120220370230180
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Journal of Korean Medical Science
2022 Volume.37 No. 23 p.180 ~ p.180
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Immunogenicity of COVID-19 Vaccination in Patients With End-Stage Renal Disease Undergoing Maintenance Hemodialysis: The Efficacy of a Mix-and-Match Strategy
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Park Joon-Sung
Minn Doh-Sik
Hong Su-Sie
Jeong Sae-Young
Kim Soo-Hyun
Lee Chang-Hwa
Kim Bong-Young
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Abstract
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Background: The objective of this study was to evaluate the immunogenicity of coronavirus disease 2019 (COVID-19) vaccination in patients with end-stage renal disease (ESRD) on hemodialysis.
Methods: ESRD patients at the hemodialysis center of a tertiary-care university-affiliated hospital and healthy employees at the clinical laboratory center were prospectively recruited between March and June 2021. For severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibody analysis, blood samples were collected serially on days 0, 14, 28, and 56 after the first vaccine dose, and on days 7 and 50 after the second dose. Antibodies against the SARS-CoV-2 spike protein were quantified, and SARS-CoV-2 neutralizing antibodies were measured in the serum and plasma.
Results: Thirty-one ESRD patients and 55 healthy employees were regularly monitored. Twenty-five (80.6%) ESRD patients on hemodialysis received a mix-and-match strategy with ChAdOx1-BNT162b2 (AZ?Pf group) and six (19.4%) received two doses of ChAdOx1 (AZ?AZ group). ESRD patients on hemodialysis showed lower binding antibody titers and neutralizing antibody activities compared to healthy participants following the first vaccination with ChAdOx1. After the second dose, AZ-Pf group had higher immunogenicity than healthy people on days 7 and 50. The binding antibody titer and neutralizing antibody activities on days 7 and 50 were significantly higher in the AZ?Pf group than in the AZ?AZ group.
Conclusion: ESRD patients on hemodialysis receiving the mix-and-match strategy (ChAdOx1?BNT162b2) have COVID-19 vaccine immunogenicity comparable to healthy individuals receiving two doses of ChAdOx1.
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KEYWORD
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COVID-19, Vaccine, ESRD, Mix-and-Match
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