Vical Pandemic Influenza Vaccines Achieve T-Cell Responses and Cross-Clade Reactivity...(ided complete protection of mice against...),Health

Date:12/11/2008

ided complete protection of mice against challenge with highly lethal doses of H3N2 influenza virus. A dose response was apparent, as mice vaccinated with decreasing doses below a threshold level were afforded decreasing protection. The ratio of Vaxfectin(R) adjuvant to DNA in the vaccine also affected the protective efficacy of the vaccine. In separate tests, the use of alternative PCR primers, an integral part of the RapidResponse(TM) manufacturing process, did not significantly affect the protective efficacy of the resulting product.

The RapidResponse(TM) system is designed to allow extremely rapid and large-scale production of DNA vaccines with low capital requirements. The company is proceeding with the development of the RapidResponse(TM) platform under the second year of grant funding awarded by the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health (NIH).

About Vical

Vical researches and develops biopharmaceutical products based on its patented DNA delivery technologies for the prevention and treatment of serious or life-threatening diseases. Potential applications of the company's DNA delivery technology include DNA vaccines for infectious diseases or cancer, in which the expressed protein is an immunogen; cancer immunotherapeutics, in which the expressed protein is an immune system stimulant; and cardiovascular therapies, in which the expressed protein is an angiogenic growth factor. The company is developing certain infectious disease vaccines and cancer therapeutics internally. In addition, the company collaborates with major pharmaceutical companies and biotechnology companies that give it access to complementary technologies or greater resources. These strategic partnerships provide the company with mutually beneficial opportunities to expand its product pipeline and address significant unmet medical needs. Additional information on Vical is
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SOURCE Vical Incorporated Copyright©2008 PR Newswire. All rights reserved

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