Safety and Immunogenicity of mRNA-1653, a Combined Human Metapneumovirus (hMPV) and Parainfluenza Virus Type 3 (PIV3) Vaccine, in Healthy Adults, and Children 12 to 59 Months of Age With Serologic Evidence of Prior Exposure

Summary

This clinical study will assess the safety and immunogenicity of 2 dose levels of mRNA-1653, a combined human metapneumovirus and human parainfluenza virus type 3 vaccine, in healthy adults (18 to 49 years of age) and 2 dose levels in children (12 to 59 months of age) with serologic evidence of prior exposure. The safety profile of the adult cohort will permit enrollment of the pediatric cohort.

Timeline

Start

2019-11-04

Primary completion

2022-12-20

Completion

2022-12-20

Drugs

Indications