{"nct_id":"NCT04144348","title":"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","status":"COMPLETED","status_verified_date":"2023-01","start_date":"2019-11-04","start_date_type":"ACTUAL","primary_completion_date":"2022-12-20","primary_completion_date_type":"ACTUAL","completion_date":"2022-12-20","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["MRNA"]}