{"nct_id":"NCT06850051","title":"A Study on the Safety and Immunogenicity of Influenza, Respiratory Syncytial Virus, Human Metapneumovirus and Parainfluenza Vaccines in Adults 18 to 49 Years of Age.","status":"ACTIVE_NOT_RECRUITING","status_verified_date":"2025-08","start_date":"2025-03-19","start_date_type":"ACTUAL","primary_completion_date":"2025-12-31","primary_completion_date_type":"ESTIMATED","completion_date":"2025-12-31","completion_date_type":"ESTIMATED","phases":["PHASE1"],"tickers":["SNY"]}