强生(JNJ.US)启动大规模新冠疫苗三期试验，估计将在2023年3月完成

智通财经2020-09-23

智通财经APP获悉，强生(JNJ.US)宣布启动一项多达6万名参与者的三期临床试验，以评估其新冠候选疫苗Ad26.COV2.S的安全性和免疫原性。这是美国第一个可能仅需接种一次的大规模新冠疫苗试验。该研究将招募至少18岁的志愿者，其中60岁以上的志愿者占相当大的比例。试验地点位于美国、阿根廷、巴西、智利、哥伦比亚、墨西哥、秘鲁和南非。主要疗效终点是首次出现确诊为中度至重度/重症新冠疾病且血清阴性...

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阿当当
2020-09-23
阿当当
黄花菜都凉

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