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Vaccine. 2006 May 22;24(21):4475-81. Epub 2005 Aug 19.

Epidermal DNA vaccine for influenza is immunogenic in humans.

Author information

1
PowderJect Vaccines, Inc., 8551 Research Way, Middleton, WI 53562, USA.

Abstract

A phase I clinical trial was conducted to evaluate a monovalent influenza DNA vaccine containing the HA gene from A/Panama/2007/99 delivered by particle-mediated epidermal delivery (PMED). Three groups of 12 healthy adult subjects received a single dose on day 0 of either 1, 2 or 4 microg of DNA vaccine, delivered as 1, 2 or 4 PMED administrations. The PMED influenza DNA vaccine elicited serum hemagglutination-inhibition (HAI) antibody responses at all three dose levels, with the highest and most consistent responses in subjects vaccinated with the highest dose level. Antibody responses were greatest at the last time point tested, day 56. Treatment-related reactions were mild to moderate, and included skin reactions at the vaccine site. These results provide a preliminary indication of the safety and immunogenicity of a prototype epidermal DNA vaccine for influenza.

PMID:
16150518
DOI:
10.1016/j.vaccine.2005.08.012
[Indexed for MEDLINE]

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