{"nct_id":"NCT00437671","title":"Tetanus Immunization in Subjects With No Immunization History or With Tetanus Antibody Levels Below Protective Levels","status":"TERMINATED","status_verified_date":"2016-01","start_date":"2007-03","start_date_type":null,"primary_completion_date":"2007-09","primary_completion_date_type":"ACTUAL","completion_date":"2007-09","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["GRFS"]}