{"nct_id":"NCT04453202","title":"A Study to Evaluate a Range of Dose Levels of an Adenovirus Serotype 26 (Ad26.RSV.preF)-Based Vaccine in Older Adults","status":"COMPLETED","status_verified_date":"2025-05","start_date":"2020-07-16","start_date_type":"ACTUAL","primary_completion_date":"2020-09-24","primary_completion_date_type":"ACTUAL","completion_date":"2021-04-09","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["JNJ"]}