Preparation of H1N1 microneedles by a low-temperature process without a stabilizer

Hye Rin Jeong, S. Park, Jee Hyun Park, Joon Yong Bae, Ga yeong Kim, Seung Ki Baek, Man-Seong Park, Jung Hwan Park

Research output: Contribution to journalArticle

Abstract

During the manufacture of H1N1 microneedles, a stabilizer is usually added to maintain the antigenicity of the vaccine. However, finding a suitable stabilizer is difficult, and the addition of a stabilizer can limit the antigen dose and the addition of an adjuvant because of the limited volume of the microneedles. In this study, the authors evaluated whether H1N1 microneedles could be fabricated without a stabilizer by keeping the production environment at a low temperature. H1N1 microneedle patches without a stabilizer were prepared in a process that involved maintaining a low temperature of 10 °C. The protective immune response to this method of drug application was investigated by comparing it with traditional intramuscular (IM) immunization and with the use of H1N1 microneedles with a stabilizer. A process-sensitive antigen, H1N1, was stabilized without the use of a stabilizer in a process that maintained a low temperature of 10 °C. The preparation process consisted of coating and drying processes. In animal experiments, mice were immunized using an array of low-temperature H1N1 microneedles without a stabilizer (LT-MN), and they showed strong antibody responses. Compared to three other application methods of traditional IM immunization, low-temperature H1N1 microneedles with a stabilizer (LT-MN-T), and room-temperature H1N1 microneedles with a stabilizer (RT-MN-T), LT-MN produced comparable results in inducing protective immunity. A plaque reduction neutralization test found that LT-MN and LT-MN-T provided greater immunity compared with IM and RT-MN-T. A process in which the temperature is maintained at 10 °C can provide successful vaccination with H1N1 microneedles without the addition of a stabilizer. This process can be applied to various temperature-sensitive biologics.

Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalEuropean Journal of Pharmaceutics and Biopharmaceutics
Volume143
DOIs
Publication statusPublished - 2019 Oct 1

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Temperature
Immunity
Immunization
Antigens
Neutralization Tests
Biological Products
Antibody Formation
Vaccination
Pharmaceutical Preparations

Keywords

  • H1N1
  • Influenza
  • Low-temperature process
  • Microneedles
  • Stabilizer
  • Temperature-sensitive

ASJC Scopus subject areas

  • Biotechnology
  • Pharmaceutical Science

Cite this

Preparation of H1N1 microneedles by a low-temperature process without a stabilizer. / Jeong, Hye Rin; Park, S.; Park, Jee Hyun; Bae, Joon Yong; Kim, Ga yeong; Baek, Seung Ki; Park, Man-Seong; Park, Jung Hwan.

In: European Journal of Pharmaceutics and Biopharmaceutics, Vol. 143, 01.10.2019, p. 1-7.

Research output: Contribution to journalArticle

Jeong, Hye Rin ; Park, S. ; Park, Jee Hyun ; Bae, Joon Yong ; Kim, Ga yeong ; Baek, Seung Ki ; Park, Man-Seong ; Park, Jung Hwan. / Preparation of H1N1 microneedles by a low-temperature process without a stabilizer. In: European Journal of Pharmaceutics and Biopharmaceutics. 2019 ; Vol. 143. pp. 1-7.
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