{"nct_id":"NCT00604903","title":"Monitoring Pulmonary Artery Pressure by Implantable Device Responding to Ultrasonic Signal","status":"COMPLETED","status_verified_date":"2012-02","start_date":"2006-08-23","start_date_type":"ACTUAL","primary_completion_date":"2009-02","primary_completion_date_type":"ACTUAL","completion_date":"2009-02","completion_date_type":"ACTUAL","phases":["NA"],"tickers":["BSX"]}