{"nct_id":"NCT01262924","title":"Study of Reduced-antigen-content Acellular Pertussis Vaccine and Diphtheria-Tetanus-Acellular Pertussis Vaccine","status":"COMPLETED","status_verified_date":"2010-12","start_date":"1997-10","start_date_type":null,"primary_completion_date":"1998-12","primary_completion_date_type":"ACTUAL","completion_date":"1998-12","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["GSK"]}