{"nct_id":"NCT03303625","title":"A Study to Evaluate the Safety, Tolerability and Immunogenicity of an Investigational RSV Vaccine Candidate (Ad26.RSV.preF) in Adults 18 to 50 Years of Age, and RSV-seropositive Toddlers 12 to 24 Months of Age","status":"COMPLETED","status_verified_date":"2025-05","start_date":"2017-11-29","start_date_type":"ACTUAL","primary_completion_date":"2020-04-21","primary_completion_date_type":"ACTUAL","completion_date":"2020-04-21","completion_date_type":"ACTUAL","phases":["PHASE1","PHASE2"],"tickers":["JNJ"]}