{"nct_id":"NCT00253175","title":"A Study of the Effectiveness and Safety of Topiramate for the Prevention of Migraine","status":"COMPLETED","status_verified_date":"2010-04","start_date":"2000-10","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2001-12","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["JNJ"]}