一期试验的副作用很小,尚没有严重的不良事件报道。在10位疫苗接种者中有8位被检测出 SARS 病毒的特异性抗体,所有接种者均被出现 SARS 特有的 CD4+ T 细胞反应,而有2位被发现具有 CD8+ T 细胞反应。中和抗体反应在防止传染反面非常重要。CD4+ T 细胞有助于发现治疗特定病原体的适当免疫资源。CD8+ T 细胞能够发现并杀死受感染的细胞,而且在感染后病毒清除方面也发挥重要作用。
SARS DNA vaccine
SAN DIEGO, Dec. 9 /PRNewswire-FirstCall/ -- Vical Incorporated (Nasdaq: VICL) today announced that results from a Phase I clinical trial of a DNA vaccine for severe acute respiratory syndrome (SARS), conducted by the National Institutes of Health (NIH) and published in the November 25 issue of Vaccine(1), demonstrated that the vaccine was well-tolerated, and induced neutralizing antibody responses in 80% of the vaccinees and T-cell immune responses in all vaccinees. The Phase I trial was initiated with unprecedented speed, within 19 months of the publication of the SARS coronavirus genetic sequence from which the vaccine was derived, and was the first SARS vaccine human clinical trial conducted in the United States.作者: ms003 时间: 2015-9-22 19:39
Rojjer发表于 2008-12-11 09:36: