Formulation, Characterization, and in vivo Immunogenicity of Heat-Stabilized Dissolvable Microneedles Containing a Novel VLP Vaccine
2024
Microneedles for a New Vaccine
publication
Evidence: moderate
Author Information
Author(s): Leyba Aidan, Francian Alexandra, Razjmoo Mohammad, Bierle Amelia, Janardhana Ranjith, Jackson Nathan, Chackerian Bryce
Primary Institution: Cold Spring Harbor Laboratory
Hypothesis
Can dissolvable microneedles maintain vaccine potency and elicit strong immune responses?
Conclusion
The developed microneedles maintained vaccine integrity and elicited strong immune responses even after extreme storage conditions.
Supporting Evidence
- The microneedles were developed using a conventional micromolding technique.
- The vaccine showed preclinical immunogenicity after storage in extreme conditions.
- Needle sharpness and skin insertion force were assessed during characterization studies.
- The microneedles maintained vaccine integrity after 140 days of elevated temperature storage.
- Robust and long-lasting antibody responses were elicited by the microneedles.
Takeaway
Scientists created tiny needles that can deliver vaccines and stay effective even in hot weather, helping people get vaccinated more easily.
Methodology
The study involved developing microneedles using polyacrylic acid and testing their immunogenicity in mice.
Participant Demographics
Mice were used for immunogenicity testing.
Digital Object Identifier (DOI)
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