{"nct_id":"NCT00478673","title":"Post-Approval Study of the NexStent Carotid Stent System and the FilterWire EZ Embolic Protection System: SONOMA","status":"TERMINATED","status_verified_date":"2012-07","start_date":"2007-05","start_date_type":null,"primary_completion_date":"2009-07","primary_completion_date_type":"ACTUAL","completion_date":"2009-07","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["BSX"]}