On May 20, 2020, INOVIO (NASDAQ:INO) announced the publication of the preclinical study data for IN0-4800, its COVID-19 DNA vaccine, demonstrating robust neutralizing antibody and T cell immune responses against coronavirus SARS-CoV-2. The open-access study was published in the peer-reviewed journal Nature Communications and is titled, "Immunogenicity of a DNA Vaccine Candidate for COVID-19" and authored by INOVIO scientists and collaborators from The Wistar Institute, the University of Texas, Public Health England, Fudan University, and Advaccine. Kate Broderick (photo), PhD, INOVIO's Senior Vice President of R&D and the Team Lead for COVID-19 vaccine development, said, "These positive preclinical results from our COVID-19 DNA vaccine (INO-4800) not only highlight the potency of our DNA medicines platform, but also build on our previously reported positive Phase 1/2a data from our vaccine against the coronavirus that causes MERS, which demonstrated near-100% seroconversion and neutralization from a similarly designed vaccine INO-4700. The potent neutralizing antibody and T cell immune responses generated in multiple animal models are supportive of our currently on-going INO-4800 clinical trials." INO-4800 targets the major surface antigen Spike protein of SARS-CoV-2 virus, which causes COVID-19 disease. The studies demonstrated that vaccination with INO-4800 generated robust binding and neutralizing antibodies, as well as T cell responses in mice and guinea pigs.
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