ArticleJournal of autoimmunity2023
Improvement of humoral immunity by repeated dose-intensified COVID-19 vaccinations in primary non- to low-responders and B cell deficient rheumatic disease patients.
Article in Journal of autoimmunity, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
What it found
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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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Safety, efficacy, and immunogenicity of SARS-CoV-2 mRNA vaccination in children and adult patients with rheumatic diseases: a comprehensive literature review.Rheumatology international · 2024Pooled it
- Effect of DMARDs on the immunogenicity of vaccines.Nature reviews. Rheumatology · 2023Review
Corrections and comments
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo determine whether repeated, dose-intensified mRNA vaccinations against COVID-19 increase humoral immunity in previously low-responding patients with autoimmune rheumatic diseases (AIRD), including rituximab-treated and B cell depleted patients.
methodsOf 308 AIRD patients receiving basic immunization, 98 had a low serological response against SARS-CoV-2 with a neutralizing capacity of < 70% using surrogate neutralization assay. 38 patients received a third vaccination with 30 μg BNT162b2 16 weeks after second vaccination. If neutralizing serum capacity was below 70% four weeks after the last vaccination, then the fourth vaccination (n = 19) and the fifth (n = 4) vaccination with 100 μg mRNA-1273 took place eight weeks after the last vaccination.
resultsEach of the three booster vaccinations resulted in a significant increase of mean serum neutralizing capacity (3rd: Δ = 42%, p < 0.001; 4th: Δ = 19%, p = 0.049 and 5th: Δ = 51%, p = 0.043) and produced a significant proportion of high-responders (3rd: 34%; 4th: 32% and 5th: 75%). Low B cell counts (p = 0.047), lower previous antibody response (p < 0.001) and rituximab therapy (p = 0.021) were negatively associated with successful response to the third but not to the fourth vaccination. Remarkably, substantial increases in neutralization capacity of up to 99% were observed after repeated vaccinations in B cell depleted patients.
conclusionAIRD patients with low humoral response benefited from up to three repeated dose-intensified mRNA booster vaccinations - despite low B cell count and previous rituximab therapy. Each additional vaccination substantially reduced the number of low-responding, vulnerable patients.
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