{"nct_id":"NCT01557660","title":"Inhaled Treprostinil for PAH: Open-label Extension","status":"WITHDRAWN","status_verified_date":"2012-03","start_date":"2012-06","start_date_type":null,"primary_completion_date":"2018-12","primary_completion_date_type":"ESTIMATED","completion_date":"2018-12","completion_date_type":"ESTIMATED","phases":["PHASE3"],"tickers":["UNH"]}