{"nct_id":"NCT00538473","title":"Evaluate Safety and Immunogenicity of GSK Bio's Influenza Vaccine GSK576389A After Repeated Vaccination in Elderly Adults","status":"COMPLETED","status_verified_date":"2016-11","start_date":"2007-10-23","start_date_type":null,"primary_completion_date":"2007-12-01","primary_completion_date_type":"ACTUAL","completion_date":"2007-12-12","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["GSK"]}