Trial reportFrontiers in immunology2026
Could β-glucans enhance the immune response to SARS-CoV-2 vaccine by inducing trained immunity and boosting neutralizing antibody production?
Trial report in Frontiers in immunology, 2026. 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
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
β-Glucans stimulate the immune system, training it to recognize and respond to antigens, which bolsters immunity, including to vaccines. The present study evaluated the capacity of β-glucans to stimulate immunity subsequent to primary vaccination for SARS-CoV-2 with ChAdOx1. Thirty-four SARS-CoV-2-non-immune men (18-49 years) were split into two groups: one receiving 500 mg of oral insoluble yeast β-glucans daily (the glucan group) and the other a placebo (the control group). The supplementation period lasted fourteen days in total, including seven days before and seven days after the initial vaccine dosage. A series of blood samples were collected at three time points: M1 (prevaccination); M2 (30 days after the first vaccination); and M3 (30 days after booster). A lateral flow immunoassay was used to qualitatively identify IgM and IgG against the virus. The levels of antigen-specific IgG anti-spike (S1), receptor-binding domain (RBD), and nucleocapsid (N) were quantified using a LEGENDplex assay. The NeutraLISA assay was used to evaluate the neutralizing antibodies (NAbs). Statistically significant results were defined as those with
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