{"nct_id":"NCT00578786","title":"A Long Term Study of Ambrisentan in Pulmonary Arterial Hypertension Subjects Having Completed AMB-320 (NCT00423748) or AMB-321 (NCT00423202)","status":"COMPLETED","status_verified_date":"2013-01","start_date":"2004-02","start_date_type":null,"primary_completion_date":"2010-03","primary_completion_date_type":"ACTUAL","completion_date":"2010-03","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["GILD"]}