{"nct_id":"NCT00159874","title":"A Long Term Extension Study Evaluating Safety Of Sildenafil Citrate When Used To Treat Pulmonary Arterial Hypertension (PAH) In Children","status":"COMPLETED","status_verified_date":"2021-01","start_date":"2004-01","start_date_type":null,"primary_completion_date":"2012-12","primary_completion_date_type":"ACTUAL","completion_date":"2012-12","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}