{"nct_id":"NCT00159913","title":"A Randomized, Double-Blind, Placebo-Controlled Study of Sildenafil in Children With Pulmonary Arterial Hypertension.","status":"COMPLETED","status_verified_date":"2021-01","start_date":"2003-08","start_date_type":null,"primary_completion_date":"2008-06","primary_completion_date_type":"ACTUAL","completion_date":"2008-06","completion_date_type":"ACTUAL","phases":["PHASE3"],"tickers":["PFE"]}