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     266  0 Kommentare Arcturus Therapeutics Received Approval from Singapore Health Sciences Authority to Proceed with Phase 2 Study of ARCT-021 (LUNAR-COV19) Vaccine Candidate and Provides New and Updated Clinical and Preclinical Data - Seite 3


    ARCT-021 vaccination effective in primate macaque challenge model

    ARCT-021, both single administration and prime-boost regimens, are significantly effective in a primate challenge model. Vaccinated macaques show substantial reductions in lung viral titers. Preliminary data shows that lung viral titers are between 3.30 and 3.81 log lower in ARCT-021 vaccinated primates, in both single dose and prime-boost groups (see figure below), respectively. One week after SARS-CoV-2 virus challenge, geometric mean titers exceeded 1.31 x 104 in non-vaccinated primates compared with geometric mean titers of less than 10 in those vaccinated with ARCT-021.

    ARCT-021 vaccination effective in humoral immunodeficient mice depleted of B cells

    ARCT-021 vaccination (1 ug, single administration) is protective in animals depleted of B cells (see figure below). Notably, ARCT-021 vaccination was not effective in mice depleted of CD8+ T-cells suggesting that cellular immunity, specifically CD8+ T cells, plays a critical role in preventing SARS-CoV-2 infection.

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    About Arcturus Therapeutics

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    Founded in 2013 and based in San Diego, California, Arcturus Therapeutics Holdings Inc. (Nasdaq: ARCT) is a clinical-stage mRNA medicines and vaccines company with enabling technologies: (i) LUNAR lipid-mediated delivery, (ii) STARR mRNA Technology and (iii) mRNA drug substance along with drug product manufacturing expertise. Arcturus’ diverse pipeline of RNA therapeutic and vaccine candidates includes self-replicating mRNA vaccine programs for SARS-CoV-2 (COVID-19) and Influenza, and other programs to potentially treat Ornithine Transcarbamylase (OTC) Deficiency, Cystic Fibrosis, and Cardiovascular Disease along with partnered programs including Glycogen Storage Disease Type 3, Hepatitis B Virus, and non-alcoholic steatohepatitis (NASH). Arcturus’ versatile RNA therapeutics platforms can be applied toward multiple types of nucleic acid medicines including messenger RNA, small interfering RNA, replicon RNA, antisense RNA, microRNA, DNA, and gene editing therapeutics. Arcturus’ technologies are covered by its extensive patent portfolio (200 patents and patent applications, issued in the U.S., Europe, Japan, China and other countries). Arcturus’ commitment to the development of novel RNA therapeutics has led to collaborations with Janssen Pharmaceuticals, Inc., part of the Janssen Pharmaceutical Companies of Johnson & Johnson, Ultragenyx Pharmaceutical, Inc., Takeda Pharmaceutical Company Limited, CureVac AG, Synthetic Genomics Inc., Duke-NUS Medical School, and the Cystic Fibrosis Foundation. For more information visit www.ArcturusRx.com. In addition, please connect with us on Twitter and LinkedIn.

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    Arcturus Therapeutics Received Approval from Singapore Health Sciences Authority to Proceed with Phase 2 Study of ARCT-021 (LUNAR-COV19) Vaccine Candidate and Provides New and Updated Clinical and Preclinical Data - Seite 3 Arcturus Therapeutics Holdings Inc. (the “Company”, “Arcturus”, Nasdaq: ARCT), a leading clinical-stage messenger RNA medicines company focused on the development of infectious disease vaccines and significant opportunities within liver and …