{"nct_id":"NCT01096147","title":"Efficacy Study of the Octapolar Lead in Patients With Failed Back Surgery Syndrome (FBSS) With Chronic Pain","status":"COMPLETED","status_verified_date":"2013-11","start_date":"2010-02","start_date_type":null,"primary_completion_date":"2013-03","primary_completion_date_type":"ACTUAL","completion_date":"2013-11","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["MDT"]}