Vaxcyte启动Opus-3三期临床试验，为首批曾接种低效价肺炎疫苗的成人受试者接种Vax-31

美股速递02-12

生物制药公司Vaxcyte, Inc.（纳斯达克代码：PCVX）宣布，其针对成人肺炎链球菌疫苗的Opus-3三期临床试验已取得重要进展，首批曾接种过低效价肺炎疫苗的参与者已成功接种候选疫苗Vax-31。这项关键性研究旨在评估Vax-31在该特定人群中的免疫原性及安全性表现。

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