Qualification of Development Tools for Medical Devices – Guidance for Industry (FDA, 2017)。510(k) : 市販前認可、IDE : Investigational Device Exemption; 治験用医療機器に関する適用免除
ワクチン : mRNA-1273 (S-2P antigen encoded), as SARS-CoV-2 spike protein encoded
投与 : 0.5mL (deltoid muscle), days 1 and 29
Phase 1 : 45人、18 ~ 55 years of age, 28 days
評価: Anti-S-2P antibody geometric mean titer(GMT) ELISA
以下の29日と57日のデータから投与量が多いほど、抗体価が上昇しているのがわかる
29 Days
25μg: 40,227
100μg: 109,209
250μg: 213,526
57 Days
25μg: 299,751
100μg: 782,719
250μg: 1,192,154
Good agreement was noted within and between the values from binding assays for S-2P and receptor-binding domain and neutralizing activity measured by PsVNA and PRNT
VLP; Virus Like Particle; ウイルス用粒子。ウイルスの殻であるカプシドタンパク質は、それをコードする遺伝子を宿主細胞に組込んで生産させると、生産されたカプシドタンパク質は、自然にウイルス粒子に構成される。これを利用して、感染性の無いウイルス粒子を作りワクチンを開発することができる。Source(日経)
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