Cited by 396SARS-CoV-2 and COVID-19 ResearchVaccine Coverage and HesitancyCOVID-19 Clinical Research Studies

The DOI matches its Crossref record; 17 of the 18 references it cites were found in a registry or an index.

Safety and immunogenicity of SARS-CoV-2 variant mRNA vaccine boosters in healthy adults: an interim analysis

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Abstract

The emergence of SARS-CoV-2 variants of concern (VOCs) and variants of interest (VOIs) with decreased susceptibility to neutralization has generated interest in assessments of booster doses and variant-specific vaccines. Clinical trial participants who received a two-dose primary series of the COVID-19 vaccine mRNA-1273 approximately 6 months earlier entered an open-label phase 2a study ( NCT04405076 ) to evaluate the primary objectives of safety and immunogenicity of a single booster dose of mRNA-1273 or variant-modified mRNAs, including multivalent mRNA-1273.211. As the trial is currently ongoing, this exploratory interim analysis includes preliminary descriptive results only of four booster groups (n = 20 per group). Immediately before the booster dose, neutralizing antibodies against wild-type D614G virus had waned (P < 0.0001) relative to peak titers against wild-type D614G measured 1 month after the primary series, and neutralization titers against B.1.351 (Beta), P.1 (Gamma) and B.1.617.2 (Delta) VOCs were either low or undetectable. Both the mRNA-1273 booster and variant-modified boosters were safe and well-tolerated. All boosters, including mRNA-1273, numerically increased neutralization titers against the wild-type D614G virus compared to peak titers against wild-type D614G measured 1 month after the primary series; significant increases were observed for mRNA-1273 and mRNA-1273.211 (P < 0.0001). In addition, all boosters increased neutralization titers against key VOCs and VOIs, including B.1.351, P.1. and B.1.617.2, that were statistically equivalent to peak titers measured after the primary vaccine series against wild-type D614G virus, with superior titers against some VOIs. This trial is ongoing.

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  • Six months after two mRNA-1273 injections, booster with 50 μg mRNA-1273, mRNA-1273.211, or mRNA-1273.351 induced neutralization against Beta, Gamma, and Delta comparable to wild-type D614G.

    “The neutralization effect of the booster in each immunization group against SARS-CoV-2 variants Beta, Gamma and Delta reached a level comparable to that observed against the wild-type D614G strain.”

    From Advances in COVID-19 mRNA vaccine development (2022) · cites this paper as [415]

  • Among the three booster vaccines evaluated, multivalent mRNA-1273.211 induced the largest geometric mean titers for Beta, Gamma, and Delta.

    “Among the three booster vaccines evaluated, the multivalent mRNA-1273.211 induced the largest geometric mean titers (GMT) for variants Beta, Gamma and Delta.415,416”

    From Advances in COVID-19 mRNA vaccine development (2022) · cites this paper as [415]

  • In an interim analysis of a single booster dose following prime-boost vaccination, mRNA-1273 and multiple variant-modified versions had high safety and tolerability and increased neutralization titers against key SARS-CoV-2 variants of concern and interest, including beta, gamma, delta, and omicron.

    “In an interim analysis of a single booster dose following p-b vaccination, Moderna tested mRNA-1273 and multiple variant-modified versions and found high safety and tolerability, as well as increased neutralization titers against key variants of concern and variants of interest of SARS-CoV-2, including beta (B.1.351), gamma (P.1), delta (B.1.617.2), and omicron (B.1.1.529).86”

    From COVID-19 mRNA vaccines: Platforms and current developments (2022) · cites this paper as [86]

  • mRNA-1273.211 boosters increased neutralization titers against key variants.

    “boosters increased neutralization titers against key variants86”

    From COVID-19 mRNA vaccines: Platforms and current developments (2022) · cites this paper as [86]

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Metadata

Authors
Choi, A., Koch, M., Wu, K., Chu, L., Ma, L., Hill, A., Nunna, N., Huang, W., Oestreicher, J., Colpitts, T., Bennett, H., Legault, H., Paila, Y., Nestorova, B., Ding, B., Montefiori, D., Pajon, R., Miller, J. M., Leav, B., Carfi, A., McPhee, R., & Edwards, D. K.
Affiliations
  • Moderna Therapeutics (United States) (US)
  • Benchmark Research (United States) (US)
  • Duke University (US)
Corresponding author
Edwards, Darin K.
Venue
Nature Medicine
Published
2021-09-15
Volume
27
Issue
11
Pages
2025-2031
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W3200674187
Cited by
396
References
18
Citations by year
2026: 5 · 2025: 27 · 2024: 42 · 2023: 79 · 2022: 202 · 2021: 41
FWCI
28.79
Type
journal article
Language
en
Open access
Locations
  • Nature Medicine (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Moderna
  • Health Science Center, University of Tennessee
Topics
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
  • Social Sciences › Health › Vaccine Coverage and Hesitancy
  • Health Sciences › Medicine › Infectious Diseases › COVID-19 Clinical Research Studies
Keywords
SARS-CoV-2, COVID-19 vaccines, mRNA-1273, booster vaccination, vaccine safety, immunogenicity, neutralizing antibodies, variants of concern, variants of interest, Beta variant, P.1, Delta variant, antibody waning, D614G
MeSH terms
Immunogenicity, Vaccine, Preliminary Data, COVID-19, SARS-CoV-2, COVID-19 Vaccines, Adult, Aged, Antibodies, Viral, Female, Humans, Immunization, Secondary, Male, Middle Aged, RNA, Messenger, United States, Vaccination, Treatment Outcome, Antibodies, Neutralizing, Healthy Volunteers

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