Cited by 927RNA Interference and Gene DeliveryImmunotherapy and Immune ResponsesNanoparticle-Based Drug Delivery

The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.

Optimization of Lipid Nanoparticles for Intramuscular Administration of mRNA Vaccines

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Abstract

mRNA vaccines have the potential to tackle many unmet medical needs that are unable to be addressed with conventional vaccine technologies. A potent and well-tolerated delivery technology is integral to fully realizing the potential of mRNA vaccines. Pre-clinical and clinical studies have demonstrated that mRNA delivered intramuscularly (IM) with first-generation lipid nanoparticles (LNPs) generates robust immune responses. Despite progress made over the past several years, there remains significant opportunity for improvement, as the most advanced LNPs were designed for intravenous (IV) delivery of siRNA to the liver. Here, we screened a panel of proprietary biodegradable ionizable lipids for both expression and immunogenicity in a rodent model when administered IM. A subset of compounds was selected and further evaluated for tolerability, immunogenicity, and expression in rodents and non-human primates (NHPs). A lead formulation was identified that yielded a robust immune response with improved tolerability. More importantly for vaccines, increased innate immune stimulation driven by LNPs does not equate to increased immunogenicity, illustrating that mRNA vaccine tolerability can be improved without affecting potency.

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Crossref · 10.1016/j.omtn.2019.01.013

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Metadata

Authors
Hassett, K. J., Benenato, K. E., Jacquinet, E., Lee, A., Woods, A., Yuzhakov, O., Himansu, S., Deterling, J., Geilich, B. M., Ketova, T., Mihai, C., Lynn, A., McFadyen, I., Moore, M. J., Senn, J. J., Stanton, M. G., Almarsson, Ö., Ciaramella, G., & Brito, L. A.
Affiliations
Moderna Therapeutics (United States) (US)
Corresponding author
Brito, Luis A.
Venue
Molecular Therapy — Nucleic Acids
Publisher
Elsevier BV
Published
2019-04
Volume
15
Pages
1-11
ISSN
2162-2531 (ISSN-L)
OpenAlex
W2914060533
Cited by
927
References
35
Citations by year
2026: 141 · 2025: 202 · 2024: 162 · 2023: 140 · 2022: 128 · 2021: 114 · 2020: 35 · 2019: 5
FWCI
23.20
Type
journal article
Language
en
Open access
Locations
  • Molecular Therapy — Nucleic Acids (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Moderna Therapeutics
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Physical Sciences › Materials Science › Biomaterials › Nanoparticle-Based Drug Delivery
Keywords
lipid nanoparticles, mRNA vaccines, intramuscular administration, ionizable lipids, biodegradable lipids, immunogenicity, tolerability, innate immune activation, non-human primates

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