
Moderna, Inc. (NASDAQ:MRNA) revealed topline results on Wednesday from a Phase 3 trial evaluating the efficacy of mRNA-1647, the company’s investigational cytomegalovirus (CMV) vaccine. CMV is a herpes virus. Those who are pregnant or have compromised immune systems are most at risk from CMV.
The study did not meet its primary efficacy endpoint of preventing CMV infection in seronegative female participants of childbearing age (16-40 years of age).