{"nct_id":"NCT01109641","title":"PhrenIc Nerve mappinG and Stimulation EP Catheter Study: PING-EP Study","status":"COMPLETED","status_verified_date":"2010-10","start_date":"2010-02","start_date_type":null,"primary_completion_date":"2010-10","primary_completion_date_type":"ACTUAL","completion_date":"2010-10","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["MDT"]}