{"nct_id":"NCT00216619","title":"The Prolonged Use of Topiramate for Preventing Migraine Headaches","status":"COMPLETED","status_verified_date":"2014-07","start_date":"2003-11","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2006-08","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["JNJ"]}