{"nct_id":"NCT05829356","title":"Substudy 01 - Safety and Immunogenicity of One Monovalent Modified mRNA Vaccine Encoding Influenza Hemagglutinin With LNP, in Adult Participants Aged 18 to 49 Years and 60 Years and Above","status":"COMPLETED","status_verified_date":"2025-09","start_date":"2023-04-12","start_date_type":"ACTUAL","primary_completion_date":"2024-03-14","primary_completion_date_type":"ACTUAL","completion_date":"2024-03-14","completion_date_type":"ACTUAL","phases":["PHASE1"],"tickers":["SNY"]}