{"nct_id":"NCT01642407","title":"Safety And Efficacy Of Sildenafil In Children With Pulmonary Arterial Hypertension","status":"COMPLETED","status_verified_date":"2021-01","start_date":"2012-08-24","start_date_type":"ACTUAL","primary_completion_date":"2016-05-20","primary_completion_date_type":"ACTUAL","completion_date":"2018-03-12","completion_date_type":"ACTUAL","phases":["PHASE4"],"tickers":["PFE"]}