ArticleTransplantation direct2025
Serologic Responses to COVID-19 Vaccination in Pediatric Kidney Transplant Recipients.
Article in Transplantation direct, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
13 authors.
Funding
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Abstract
Background: There are limited data describing the immune responses to COVID-19 vaccination in pediatric kidney transplant recipients, and expanding upon this information could help inform vaccination strategies in this unique population. Methods: We performed a prospective, observational, single-center cohort study using remnant blood samples of pediatric kidney transplant recipients from routine clinic visits to examine longitudinal serological responses after COVID-19 vaccination. We enrolled 61 pediatric kidney transplant recipients who had at least 1 sample available for analysis. Sera or plasma were analyzed for ancestral SARS-CoV-2 and Omicron (B.1.1.529; BA.1) spike IgG and nucleocapsid IgG using a Meso Scale Discovery platform. Results: One month after a 3-dose COVID-19 vaccination series, the IgG geometric mean titer to the SARS-CoV-2 ancestral spike was 684 binding antibody units/mL (95% confidence interval, 269-1739), but titers waned by 4-6 mo. A fourth dose of the COVID-19 vaccine boosted IgG geometric mean titer to 1606 binding antibody units/mL (95% confidence interval, 868-2972), and titers persisted through 6 mo. IgG titers against Omicron (B.1.1.529; BA.1) were overall lower than ancestral SARS-CoV-2. They were higher in participants with prior infection and were not significantly impacted by receipt of belatacept. Conclusions: Additional doses of the COVID-19 vaccine bolstered durable serologic responses in pediatric kidney transplant recipients, and this study broadens our understanding of immune responses to COVID-19 vaccinations in this population.
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