{"nct_id":"NCT00411749","title":"V501 Immunogenicity Study in Females Age 9 to 17 Years (V501-028)","status":"COMPLETED","status_verified_date":"2017-03","start_date":"2006-12-11","start_date_type":"ACTUAL","primary_completion_date":"2009-09-18","primary_completion_date_type":"ACTUAL","completion_date":"2009-09-18","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["MRK"]}