{"nct_id":"NCT00747812","title":"Study of Occipital Nerve Stimulation for Drug Refractory Migraine","status":"TERMINATED","status_verified_date":"2020-11","start_date":"2006-05","start_date_type":null,"primary_completion_date":"2008-11","primary_completion_date_type":"ACTUAL","completion_date":"2012-05","completion_date_type":"ACTUAL","phases":["PHASE2"],"tickers":["BSX"]}