{"nct_id":"NCT00216606","title":"The Effectiveness and Safety of Topiramate on Prevention of Chronic Migraine","status":"COMPLETED","status_verified_date":"2011-01","start_date":"2003-12","start_date_type":null,"primary_completion_date":null,"primary_completion_date_type":null,"completion_date":"2005-07","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["JNJ"]}