{"nct_id":"NCT00346073","title":"Safety and Immunogenicity of GSK's Tdap Vaccine (Boostrix) in Adults Aged 19 to 64 Years","status":"COMPLETED","status_verified_date":"2018-02","start_date":"2006-07-13","start_date_type":"ACTUAL","primary_completion_date":"2007-03-01","primary_completion_date_type":"ACTUAL","completion_date":"2007-03-07","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["GSK"]}